统一ps refine (#41234)

* update name

* update name

* fix test

* fix fleet bind

* update name

* update name

* fix test

* fix gpups wrapper

* remove Push/Pull/Load/Save with context in client and wrapper base class

* fix

* fix
Co-authored-by: Nesythan <esythan@126.com>

paddle/fluid/distributed/ps/service/brpc_ps_client.cc

@@ -80,7 +80,7 @@ void DownpourPsClientService::service(
     const PsRequestMessage *request, PsResponseMessage *response,
     ::google::protobuf::Closure *done) {
   brpc::ClosureGuard done_guard(done);
-  int ret = _client->handle_client2client_msg(
+  int ret = _client->HandleClient2ClientMsg(
       request->cmd_id(), request->client_id(), request->data());
   response->set_err_code(0);
   response->set_err_msg("");
@@ -91,8 +91,8 @@ void DownpourPsClientService::service(
 }
 
 // 启动client端RpcService 用于数据互发等操作
-int32_t BrpcPsClient::start_client_service() {
-  if (_service.configure(this, _client_id) != 0) {
+int32_t BrpcPsClient::StartClientService() {
+  if (_service.Configure(this, _client_id) != 0) {
     LOG(ERROR)
         << "service initialize failed, service_name:DownpourPsClientService";
     return -1;
@@ -108,12 +108,12 @@ int32_t BrpcPsClient::start_client_service() {
     return -1;
   }
   _server_started = true;
-  _env->registe_ps_client(butil::my_ip_cstr(), _server.listen_address().port,
-                          _client_id);
+  _env->RegistePsClient(butil::my_ip_cstr(), _server.listen_address().port,
+                        _client_id);
   return 0;
 }
 
-int32_t BrpcPsClient::create_client2client_connection(
+int32_t BrpcPsClient::CreateClient2ClientConnection(
     int pserver_timeout_ms, int pserver_connect_timeout_ms, int max_retry) {
   brpc::ChannelOptions options;
   options.protocol = "baidu_std";
@@ -122,12 +122,12 @@ int32_t BrpcPsClient::create_client2client_connection(
   options.connect_timeout_ms = pserver_connect_timeout_ms;
   options.max_retry = max_retry;
 
-  std::vector<PSHost> client_list = _env->get_ps_clients();
+  std::vector<PSHost> client_list = _env->GetPsClients();
   VLOG(1) << "BrpcPsClient::create_c2c_connection client_list size: "
           << client_list.size();
   for (auto cc : client_list) {
     VLOG(1) << "BrpcPsClient::create_c2c_connection client_list: "
-            << cc.to_string();
+            << cc.ToString();
   }
   _client_channels.resize(client_list.size());
   std::ostringstream os;
@@ -154,7 +154,7 @@ int32_t BrpcPsClient::create_client2client_connection(
   return 0;
 }
 
-int32_t BrpcPsClient::initialize() {
+int32_t BrpcPsClient::Initialize() {
   _async_call_num = 0;
 
   brpc::ChannelOptions options;
@@ -169,7 +169,7 @@ int32_t BrpcPsClient::initialize() {
   std::string client_ip(butil::my_ip_cstr());
 
   // 获取server列表，并连接
-  std::vector<PSHost> server_list = _env->get_ps_servers();
+  std::vector<PSHost> server_list = _env->GetPsServers();
   _server_channels.resize(server_list.size());
   for (size_t i = 0; i < server_list.size(); ++i) {
     server_ip_port.assign(server_list[i].ip.c_str());
@@ -194,7 +194,7 @@ int32_t BrpcPsClient::initialize() {
     os << server_ip_port << ",";
   }
   // 启动client探听接口, 并相互建立连接
-  start_client_service();
+  StartClientService();
 
   // 异步push 请求队列初始化
   const auto &worker_param = _config.worker_param().downpour_worker_param();
@@ -234,13 +234,13 @@ int32_t BrpcPsClient::initialize() {
   _flushing = false;
   // 启动异步push线程
   _async_push_sparse_thread =
-      std::thread(std::bind(&BrpcPsClient::push_sparse_task_consume, this));
+      std::thread(std::bind(&BrpcPsClient::PushSparseTaskConsume, this));
   // _async_push_sparse_thread.detach();
   _async_push_dense_thread =
-      std::thread(std::bind(&BrpcPsClient::push_dense_task_consume, this));
+      std::thread(std::bind(&BrpcPsClient::PushDenseTaskConsume, this));
   // for debug
   // _print_thread =
-  //    std::thread(std::bind(&BrpcPsClient::print_queue_size_thread, this));
+  //    std::thread(std::bind(&BrpcPsClient::PrintQueueSizeThread, this));
 
   return 0;
 }
@@ -286,7 +286,7 @@ std::string DownpourBrpcClosure::get_response(size_t request_idx, int cmd_id) {
   return data;
 }
 
-std::future<int32_t> BrpcPsClient::print_table_stat(uint32_t table_id) {
+std::future<int32_t> BrpcPsClient::PrintTableStat(uint32_t table_id) {
   size_t request_call_num = _server_channels.size();
   DownpourBrpcClosure *closure = new DownpourBrpcClosure(
       request_call_num, [request_call_num, table_id](void *done) {
@@ -319,7 +319,7 @@ std::future<int32_t> BrpcPsClient::print_table_stat(uint32_t table_id) {
     closure->request(i)->set_cmd_id(PS_PRINT_TABLE_STAT);
     closure->request(i)->set_table_id(table_id);
     closure->request(i)->set_client_id(_client_id);
-    PsService_Stub rpc_stub(get_cmd_channel(i));
+    PsService_Stub rpc_stub(GetCmdChannel(i));
     closure->cntl(i)->set_timeout_ms(
         10800000);  // cmd msg don't limit timeout for save/load
     rpc_stub.service(closure->cntl(i), closure->request(i),
@@ -327,7 +327,7 @@ std::future<int32_t> BrpcPsClient::print_table_stat(uint32_t table_id) {
   }
   return fut;
 }
-std::future<int32_t> BrpcPsClient::send_cmd(
+std::future<int32_t> BrpcPsClient::SendCmd(
     uint32_t table_id, int cmd_id, const std::vector<std::string> &params) {
   size_t request_call_num = _server_channels.size();
   DownpourBrpcClosure *closure = new DownpourBrpcClosure(
@@ -352,7 +352,7 @@ std::future<int32_t> BrpcPsClient::send_cmd(
     for (const auto &param : params) {
       closure->request(i)->add_params(param);
     }
-    PsService_Stub rpc_stub(get_cmd_channel(i));
+    PsService_Stub rpc_stub(GetCmdChannel(i));
     closure->cntl(i)->set_timeout_ms(
         10800000 * 2);  // cmd msg don't limit timeout for save/load
     rpc_stub.service(closure->cntl(i), closure->request(i),
@@ -361,7 +361,7 @@ std::future<int32_t> BrpcPsClient::send_cmd(
   return fut;
 }
 
-std::future<int32_t> BrpcPsClient::send_save_cmd(
+std::future<int32_t> BrpcPsClient::SendSaveCmd(
     uint32_t table_id, int cmd_id, const std::vector<std::string> &params) {
   size_t request_call_num = _server_channels.size();
   DownpourBrpcClosure *closure = new DownpourBrpcClosure(
@@ -392,7 +392,7 @@ std::future<int32_t> BrpcPsClient::send_save_cmd(
     for (const auto &param : params) {
       closure->request(i)->add_params(param);
     }
-    PsService_Stub rpc_stub(get_cmd_channel(i));
+    PsService_Stub rpc_stub(GetCmdChannel(i));
     closure->cntl(i)->set_timeout_ms(
         10800000);  // cmd msg don't limit timeout for save/load
     rpc_stub.service(closure->cntl(i), closure->request(i),
@@ -401,65 +401,42 @@ std::future<int32_t> BrpcPsClient::send_save_cmd(
   return fut;
 }
 
-std::future<int32_t> BrpcPsClient::shrink(uint32_t table_id,
+std::future<int32_t> BrpcPsClient::Shrink(uint32_t table_id,
                                           const std::string threshold) {
-  return send_cmd(table_id, PS_SHRINK_TABLE, {threshold});
+  return SendCmd(table_id, PS_SHRINK_TABLE, {threshold});
 }
 
-std::future<int32_t> BrpcPsClient::load(const std::string &epoch,
+std::future<int32_t> BrpcPsClient::Load(const std::string &epoch,
                                         const std::string &mode) {
-  return send_cmd(-1, PS_LOAD_ALL_TABLE, {epoch, mode});
+  return SendCmd(-1, PS_LOAD_ALL_TABLE, {epoch, mode});
 }
-std::future<int32_t> BrpcPsClient::load(uint32_t table_id,
+std::future<int32_t> BrpcPsClient::Load(uint32_t table_id,
                                         const std::string &epoch,
                                         const std::string &mode) {
-  return send_cmd(table_id, PS_LOAD_ONE_TABLE, {epoch, mode});
+  return SendCmd(table_id, PS_LOAD_ONE_TABLE, {epoch, mode});
 }
 
-std::future<int32_t> BrpcPsClient::Load(const LoadSaveContext &load_context) {
-  if (load_context.table_id < 0) {
-    return send_cmd(-1, PS_LOAD_ALL_TABLE,
-                    {load_context.epoch, load_context.mode});
-  } else {
-    return send_cmd(load_context.table_id, PS_LOAD_ONE_TABLE,
-                    {load_context.epoch, load_context.mode});
-  }
-}
-
-std::future<int32_t> BrpcPsClient::save(const std::string &epoch,
+std::future<int32_t> BrpcPsClient::Save(const std::string &epoch,
                                         const std::string &mode) {
   VLOG(1) << "BrpcPsClient::save path " << epoch;
-  return send_save_cmd(-1, PS_SAVE_ALL_TABLE, {epoch, mode});
+  return SendSaveCmd(-1, PS_SAVE_ALL_TABLE, {epoch, mode});
 }
-std::future<int32_t> BrpcPsClient::save(uint32_t table_id,
+std::future<int32_t> BrpcPsClient::Save(uint32_t table_id,
                                         const std::string &epoch,
                                         const std::string &mode) {
   VLOG(1) << "BrpcPsClient::save one table path " << epoch << " table_id "
           << table_id;
-  return send_save_cmd(table_id, PS_SAVE_ONE_TABLE, {epoch, mode});
+  return SendSaveCmd(table_id, PS_SAVE_ONE_TABLE, {epoch, mode});
 }
 
-std::future<int32_t> BrpcPsClient::Save(const LoadSaveContext &save_context) {
-  if (save_context.table_id < 0) {
-    VLOG(1) << "BrpcPsClient::save path " << save_context.epoch;
-    return send_save_cmd(-1, PS_SAVE_ALL_TABLE,
-                         {save_context.epoch, save_context.mode});
-  } else {
-    VLOG(1) << "BrpcPsClient::save one table path " << save_context.epoch
-            << " table_id " << save_context.table_id;
-    return send_save_cmd(save_context.table_id, PS_SAVE_ONE_TABLE,
-                         {save_context.epoch, save_context.mode});
-  }
-}
-
-std::future<int32_t> BrpcPsClient::clear() {
-  return send_cmd(-1, PS_CLEAR_ALL_TABLE, {});
+std::future<int32_t> BrpcPsClient::Clear() {
+  return SendCmd(-1, PS_CLEAR_ALL_TABLE, {});
 }
-std::future<int32_t> BrpcPsClient::clear(uint32_t table_id) {
-  return send_cmd(table_id, PS_CLEAR_ONE_TABLE, {});
+std::future<int32_t> BrpcPsClient::Clear(uint32_t table_id) {
+  return SendCmd(table_id, PS_CLEAR_ONE_TABLE, {});
 }
 
-std::future<int32_t> BrpcPsClient::flush() {
+std::future<int32_t> BrpcPsClient::Flush() {
   VLOG(0) << "BrpcPsClient::flush begin";
   _flushing = true;
   std::promise<int> promise;
@@ -472,106 +449,69 @@ std::future<int32_t> BrpcPsClient::flush() {
   promise.set_value(0);
   _flushing = false;
   VLOG(0) << "BrpcPsClient::flush done";
-  print_queue_size();
+  PrintQueueSize();
   return fut;
 }
 
-void BrpcPsClient::print_queue_size() {
+void BrpcPsClient::PrintQueueSize() {
   for (auto &push_sparse_task_itr : _push_sparse_task_queue_map) {
     auto table_id = push_sparse_task_itr.first;
     auto queue_size = push_sparse_task_itr.second->Size();
-    VLOG(0) << "BrpcPsClient::print_queue_size: table " << table_id
+    VLOG(0) << "BrpcPsClient::PrintQueueSize: table " << table_id
             << " size: " << queue_size;
   }
 
   for (auto &task_queue_itr : _push_dense_task_queue_map) {
     auto table_id = task_queue_itr.first;
     auto queue_size = task_queue_itr.second->Size();
-    VLOG(0) << "BrpcPsClient::print_queue_size: table " << table_id
+    VLOG(0) << "BrpcPsClient::PrintQueueSize: table " << table_id
             << " size: " << queue_size;
   }
 }
 
-void BrpcPsClient::print_queue_size_thread() {
+void BrpcPsClient::PrintQueueSizeThread() {
   while (_running) {
     usleep(1000000 * 60 * 2);
-    print_queue_size();
+    PrintQueueSize();
   }
 }
 
-void BrpcPsClient::finalize_worker() {
-  flush();
-  VLOG(0) << "BrpcPsClient::finalize_worker begin join thread";
+void BrpcPsClient::FinalizeWorker() {
+  Flush();
+  VLOG(0) << "BrpcPsClient::FinalizeWorker begin join thread";
   _running = false;
   _async_push_dense_thread.join();
   _async_push_sparse_thread.join();
   // _print_thread.join();
-  VLOG(0) << "BrpcPsClient::finalize_worker begin join server";
+  VLOG(0) << "BrpcPsClient::FinalizeWorker begin join server";
   _server.Stop(1000);
   _server.Join();
   _server_started = false;
-  VLOG(0) << "BrpcPsClient::finalize_worker done";
+  VLOG(0) << "BrpcPsClient::FinalizeWorker done";
 }
 
-std::future<int32_t> BrpcPsClient::stop_server() {
-  return send_cmd(-1, PS_STOP_SERVER, {});
+std::future<int32_t> BrpcPsClient::StopServer() {
+  return SendCmd(-1, PS_STOP_SERVER, {});
 }
 
-std::future<int32_t> BrpcPsClient::start_profiler() {
-  return send_cmd(-1, PS_START_PROFILER, {});
+std::future<int32_t> BrpcPsClient::StartProfiler() {
+  return SendCmd(-1, PS_START_PROFILER, {});
 }
 
-std::future<int32_t> BrpcPsClient::stop_profiler() {
-  return send_cmd(-1, PS_STOP_PROFILER, {});
+std::future<int32_t> BrpcPsClient::StopProfiler() {
+  return SendCmd(-1, PS_STOP_PROFILER, {});
 }
 
-std::future<int32_t> BrpcPsClient::barrier(size_t table_id,
+std::future<int32_t> BrpcPsClient::Barrier(size_t table_id,
                                            uint32_t barrier_type) {
-  return send_cmd(table_id, PS_BARRIER, {std::to_string(barrier_type)});
-}
-
-std::future<int32_t> BrpcPsClient::Pull(RequestContext &pull_context) {
-  if (pull_context.value_type == Dense) {  // pull dense
-    Region *dense_region =
-        reinterpret_cast<Region *>(pull_context.dense_values);
-    return pull_dense(dense_region, pull_context.num, pull_context.table);
-  } else {  // pull sparse
-    size_t table_id = pull_context.table;
-    size_t num = pull_context.num;
-    bool is_training = pull_context.is_training;
-    if (pull_context.training_mode == Geo) {  // for geo
-      return pull_sparse_param(pull_context.sparse_values, table_id,
-                               pull_context.keys, num, is_training);
-    } else if (pull_context.training_mode == Async) {  // for async
-      return pull_sparse(pull_context.sparse_values, table_id,
-                         pull_context.keys, num, is_training);
-    }
-  }
+  return SendCmd(table_id, PS_BARRIER, {std::to_string(barrier_type)});
 }
 
-std::future<int32_t> BrpcPsClient::Push(RequestContext &push_context) {
-  if (push_context.value_type == Dense) {  // push dense
-    const Region *dense_region = push_context.push_context.push_dense_values;
-    return push_dense(dense_region, push_context.num, push_context.table);
-  } else {  // push sparse
-    size_t table_id = push_context.table;
-    size_t num = push_context.num;
-    bool is_training = push_context.is_training;
-    if (push_context.training_mode == Geo) {  // for geo
-      // TODO(zhaocaibei)
-    } else if (push_context.training_mode == Async) {  // for async
-      const uint64_t *keys = push_context.push_context.keys;
-      const float **update_values = push_context.push_context.push_values;
-      return push_sparse(table_id, keys, update_values, num);
-    }
-  }
-}
-
-std::future<int32_t> BrpcPsClient::pull_geo_param(size_t table_id,
-                                                  std::vector<float> *values,
-                                                  std::vector<uint64_t> *keys,
-                                                  int pserver_idx) {
-  auto *accessor = table_accessor(table_id);
+std::future<int32_t> BrpcPsClient::PullGeoParam(size_t table_id,
+                                                std::vector<float> *values,
+                                                std::vector<uint64_t> *keys,
+                                                int pserver_idx) {
+  auto *accessor = GetTableAccessor(table_id);
   DownpourBrpcClosure *closure =
       new DownpourBrpcClosure(1, [keys, values, accessor](void *done) {
         int ret = 0;
@@ -600,7 +540,7 @@ std::future<int32_t> BrpcPsClient::pull_geo_param(size_t table_id,
   closure->request(0)->set_cmd_id(PS_PULL_GEO_PARAM);
   closure->request(0)->set_table_id(table_id);
   closure->request(0)->set_client_id(_client_id);
-  PsService_Stub rpc_stub(get_cmd_channel(pserver_idx));
+  PsService_Stub rpc_stub(GetCmdChannel(pserver_idx));
   closure->cntl(0)->set_log_id(butil::gettimeofday_ms());
   rpc_stub.service(closure->cntl(0), closure->request(0), closure->response(0),
                    closure);
@@ -608,10 +548,11 @@ std::future<int32_t> BrpcPsClient::pull_geo_param(size_t table_id,
 }
 
 // for GEO
-std::future<int32_t> BrpcPsClient::push_sparse_param(
-    size_t table_id, const uint64_t *keys, const float **update_values,
-    size_t num, void *done) {
-  auto *accessor = table_accessor(table_id);
+std::future<int32_t> BrpcPsClient::PushSparseParam(size_t table_id,
+                                                   const uint64_t *keys,
+                                                   const float **update_values,
+                                                   size_t num, void *done) {
+  auto *accessor = GetTableAccessor(table_id);
   // 发送RPC请求
   DownpourBrpcClosure *closure = reinterpret_cast<DownpourBrpcClosure *>(done);
   auto promise = std::make_shared<std::promise<int32_t>>();
@@ -649,7 +590,7 @@ std::future<int32_t> BrpcPsClient::push_sparse_param(
       memcpy(push_data_ptr, value_ptr[i], accessor->GetTableInfo(UPDATE_SIZE));
       push_data_ptr += accessor->GetTableInfo(UPDATE_SIZE);
     }
-    PsService_Stub rpc_stub(get_sparse_channel(shard_idx));
+    PsService_Stub rpc_stub(GetSparseChannel(shard_idx));
     closure->cntl(shard_idx)->set_request_compress_type(
         (brpc::CompressType)FLAGS_pserver_communicate_compress_type);
     rpc_stub.service(closure->cntl(shard_idx), closure->request(shard_idx),
@@ -658,16 +599,15 @@ std::future<int32_t> BrpcPsClient::push_sparse_param(
   return fut;
 }
 
-std::future<int32_t> BrpcPsClient::pull_dense(Region *regions,
-                                              size_t region_num,
-                                              size_t table_id) {
+std::future<int32_t> BrpcPsClient::PullDense(Region *regions, size_t region_num,
+                                             size_t table_id) {
   auto timer = std::make_shared<CostTimer>("pserver_client_pull_dense");
-  auto *accessor = table_accessor(table_id);
+  auto *accessor = GetTableAccessor(table_id);
   auto fea_dim = accessor->GetTableInfo(FEA_DIM);
   auto select_size = accessor->GetTableInfo(SELECT_SIZE);
   size_t request_call_num = _server_channels.size();
   uint32_t num_per_shard =
-      dense_dim_per_shard(accessor->GetTableInfo(FEA_DIM), request_call_num);
+      DenseDimPerShard(accessor->GetTableInfo(FEA_DIM), request_call_num);
   // callback 将各shard结果，顺序填入region
   DownpourBrpcClosure *closure = new DownpourBrpcClosure(
       request_call_num, [request_call_num, num_per_shard, regions, region_num,
@@ -730,22 +670,22 @@ std::future<int32_t> BrpcPsClient::pull_dense(Region *regions,
     closure->request(i)->set_client_id(_client_id);
     closure->request(i)->add_params((char *)&num_per_shard,  // NOLINT
                                     sizeof(num_per_shard));
-    PsService_Stub rpc_stub(get_dense_channel(i));
+    PsService_Stub rpc_stub(GetDenseChannel(i));
     rpc_stub.service(closure->cntl(i), closure->request(i),
                      closure->response(i), closure);
   }
   return fut;
 }
 
-std::future<int32_t> BrpcPsClient::push_dense_param(const Region *regions,
-                                                    size_t region_num,
-                                                    size_t table_id) {
-  auto *accessor = table_accessor(table_id);
+std::future<int32_t> BrpcPsClient::PushDenseParam(const Region *regions,
+                                                  size_t region_num,
+                                                  size_t table_id) {
+  auto *accessor = GetTableAccessor(table_id);
   size_t request_call_num = _server_channels.size();
   // 1.拆分Region数据到shard中，后续多shard并行拷贝数据
   std::vector<std::vector<Region>> regions_partition(request_call_num);
   uint32_t num_per_shard =
-      dense_dim_per_shard(accessor->GetTableInfo(FEA_DIM), request_call_num);
+      DenseDimPerShard(accessor->GetTableInfo(FEA_DIM), request_call_num);
   size_t shard_data_size = num_per_shard * accessor->GetTableInfo(UPDATE_SIZE);
   size_t current_region_idx = 0;
   size_t current_region_data_idx = 0;
@@ -809,17 +749,17 @@ std::future<int32_t> BrpcPsClient::push_dense_param(const Region *regions,
                             fill_num);
       fill_remain_size -= fill_num;
     }
-    PsService_Stub rpc_stub(get_dense_channel(i));
+    PsService_Stub rpc_stub(GetDenseChannel(i));
     rpc_stub.service(closure->cntl(i), closure->request(i),
                      closure->response(i), closure);
   }
   return fut;
 }
 
-std::future<int32_t> BrpcPsClient::push_sparse_raw_gradient(
+std::future<int32_t> BrpcPsClient::PushSparseRawGradient(
     size_t table_id, const uint64_t *keys, const float **update_values,
     size_t num, void *done) {
-  auto *accessor = table_accessor(table_id);
+  auto *accessor = GetTableAccessor(table_id);
   // 发送RPC请求
   DownpourBrpcClosure *closure = reinterpret_cast<DownpourBrpcClosure *>(done);
   auto promise = std::make_shared<std::promise<int32_t>>();
@@ -872,7 +812,7 @@ std::future<int32_t> BrpcPsClient::push_sparse_raw_gradient(
       memcpy(push_data_ptr, value_ptr[i], accessor->GetTableInfo(UPDATE_SIZE));
       push_data_ptr += accessor->GetTableInfo(UPDATE_SIZE);
     }
-    PsService_Stub rpc_stub(get_sparse_channel(shard_idx));
+    PsService_Stub rpc_stub(GetSparseChannel(shard_idx));
     closure->cntl(shard_idx)->set_request_compress_type(
         (brpc::CompressType)FLAGS_pserver_communicate_compress_type);
     rpc_stub.service(closure->cntl(shard_idx), closure->request(shard_idx),
@@ -881,7 +821,7 @@ std::future<int32_t> BrpcPsClient::push_sparse_raw_gradient(
   return fut;
 }
 
-std::future<int32_t> BrpcPsClient::push_dense_raw_gradient(
+std::future<int32_t> BrpcPsClient::PushDenseRawGradient(
     int table_id, float *total_send_data, size_t total_send_data_size,
     void *done) {
   size_t request_call_num = _server_channels.size();
@@ -889,9 +829,9 @@ std::future<int32_t> BrpcPsClient::push_dense_raw_gradient(
   auto promise = std::make_shared<std::promise<int32_t>>();
   closure->add_promise(promise);
   std::future<int> fut = promise->get_future();
-  auto *accessor = table_accessor(table_id);
+  auto *accessor = GetTableAccessor(table_id);
   uint32_t num_per_shard =
-      dense_dim_per_shard(accessor->GetTableInfo(FEA_DIM), request_call_num);
+      DenseDimPerShard(accessor->GetTableInfo(FEA_DIM), request_call_num);
   for (size_t i = 0; i < request_call_num; ++i) {
     closure->request(i)->set_cmd_id(PS_PUSH_DENSE_TABLE);
     closure->request(i)->set_table_id(table_id);
@@ -905,16 +845,16 @@ std::future<int32_t> BrpcPsClient::push_dense_raw_gradient(
            total_send_data + i * num_per_shard, num_per_shard * sizeof(float));
     // closure->cntl(i)->set_request_compress_type(
     //     (brpc::CompressType)FLAGS_pserver_communicate_compress_type);
-    PsService_Stub rpc_stub(get_dense_channel(i));
+    PsService_Stub rpc_stub(GetDenseChannel(i));
     rpc_stub.service(closure->cntl(i), closure->request(i),
                      closure->response(i), closure);
   }
   return fut;
 }
 
-std::future<int32_t> BrpcPsClient::push_global_step(int table_id,
-                                                    int64_t *total_send_data,
-                                                    void *done) {
+std::future<int32_t> BrpcPsClient::PushGlobalStep(int table_id,
+                                                  int64_t *total_send_data,
+                                                  void *done) {
   size_t request_call_num = _server_channels.size();
   DownpourBrpcClosure *closure = reinterpret_cast<DownpourBrpcClosure *>(done);
   auto promise = std::make_shared<std::promise<int32_t>>();
@@ -933,17 +873,17 @@ std::future<int32_t> BrpcPsClient::push_global_step(int table_id,
     memcpy(push_data_ptr + sizeof(uint32_t), total_send_data,
            num_per_shard * sizeof(int64_t));
 
-    PsService_Stub rpc_stub(get_dense_channel(i));
+    PsService_Stub rpc_stub(GetDenseChannel(i));
     rpc_stub.service(closure->cntl(i), closure->request(i),
                      closure->response(i), closure);
   }
   return fut;
 }
 
-std::future<int32_t> BrpcPsClient::pull_sparse(float **select_values,
-                                               size_t table_id,
-                                               const uint64_t *keys, size_t num,
-                                               bool is_training) {
+std::future<int32_t> BrpcPsClient::PullSparse(float **select_values,
+                                              size_t table_id,
+                                              const uint64_t *keys, size_t num,
+                                              bool is_training) {
   auto timer = std::make_shared<CostTimer>("pserver_client_pull_sparse");
   auto local_timer =
       std::make_shared<CostTimer>("pserver_client_pull_sparse_local");
@@ -968,7 +908,7 @@ std::future<int32_t> BrpcPsClient::pull_sparse(float **select_values,
     shard_sorted_kvs->at(shard_id).push_back({keys[i], select_values[i]});
   }
 
-  auto *accessor = table_accessor(table_id);
+  auto *accessor = GetTableAccessor(table_id);
 
   size_t value_size = accessor->GetTableInfo(SELECT_SIZE);
 
@@ -1055,7 +995,7 @@ std::future<int32_t> BrpcPsClient::pull_sparse(float **select_values,
       closure->request(i)->set_client_id(_client_id);
       closure->request(i)->add_params((char *)&kv_request_count,  // NOLINT
                                       sizeof(uint32_t));
-      PsService_Stub rpc_stub(get_cmd_channel(i));
+      PsService_Stub rpc_stub(GetCmdChannel(i));
       closure->cntl(i)->set_log_id(butil::gettimeofday_ms());
       rpc_stub.service(closure->cntl(i), closure->request(i),
                        closure->response(i), closure);
@@ -1065,11 +1005,11 @@ std::future<int32_t> BrpcPsClient::pull_sparse(float **select_values,
 }
 
 // for GEO
-std::future<int32_t> BrpcPsClient::pull_sparse_param(float **select_values,
-                                                     size_t table_id,
-                                                     const uint64_t *keys,
-                                                     size_t num,
-                                                     bool is_training) {
+std::future<int32_t> BrpcPsClient::PullSparseParam(float **select_values,
+                                                   size_t table_id,
+                                                   const uint64_t *keys,
+                                                   size_t num,
+                                                   bool is_training) {
   auto timer = std::make_shared<CostTimer>("pserver_client_pull_sparse_param");
   size_t request_call_num = _server_channels.size();
 
@@ -1082,7 +1022,7 @@ std::future<int32_t> BrpcPsClient::pull_sparse_param(float **select_values,
     shard_sorted_kvs->at(shard_id).push_back({keys[i], select_values[i]});
   }
 
-  auto *accessor = table_accessor(table_id);
+  auto *accessor = GetTableAccessor(table_id);
   size_t value_size = accessor->GetTableInfo(SELECT_SIZE);
 
   DownpourBrpcClosure *closure = new DownpourBrpcClosure(
@@ -1169,7 +1109,7 @@ std::future<int32_t> BrpcPsClient::pull_sparse_param(float **select_values,
       closure->request(i)->set_client_id(_client_id);
       closure->request(i)->add_params((char *)&kv_request_count,  // NOLINT
                                       sizeof(uint32_t));
-      PsService_Stub rpc_stub(get_cmd_channel(i));
+      PsService_Stub rpc_stub(GetCmdChannel(i));
       closure->cntl(i)->set_log_id(butil::gettimeofday_ms());
       rpc_stub.service(closure->cntl(i), closure->request(i),
                        closure->response(i), closure);
@@ -1178,7 +1118,7 @@ std::future<int32_t> BrpcPsClient::pull_sparse_param(float **select_values,
   return fut;
 }
 
-std::future<int32_t> BrpcPsClient::send_client2client_msg(
+std::future<int32_t> BrpcPsClient::SendClient2ClientMsg(
     int msg_type, int to_client_id, const std::string &msg) {
   auto promise = std::make_shared<std::promise<int32_t>>();
   std::future<int> fut = promise->get_future();
@@ -1203,10 +1143,10 @@ std::future<int32_t> BrpcPsClient::send_client2client_msg(
   return fut;
 }
 
-std::future<int32_t> BrpcPsClient::push_sparse_raw_gradient_partial(
+std::future<int32_t> BrpcPsClient::PushSparseRawGradientPartial(
     size_t table_id, const uint64_t *keys, const float **update_values,
     uint32_t num, void *done, int pserver_idx) {
-  auto *accessor = table_accessor(table_id);
+  auto *accessor = GetTableAccessor(table_id);
   size_t value_size = accessor->GetTableInfo(UPDATE_SIZE);
   DownpourBrpcClosure *closure = reinterpret_cast<DownpourBrpcClosure *>(done);
   auto promise = std::make_shared<std::promise<int32_t>>();
@@ -1228,7 +1168,7 @@ std::future<int32_t> BrpcPsClient::push_sparse_raw_gradient_partial(
     memcpy(push_data_ptr, update_values[i], value_size);
     push_data_ptr += value_size;
   }
-  PsService_Stub rpc_stub(get_sparse_channel(pserver_idx));
+  PsService_Stub rpc_stub(GetSparseChannel(pserver_idx));
   closure->cntl(0)->set_request_compress_type(
       (brpc::CompressType)FLAGS_pserver_communicate_compress_type);
   rpc_stub.service(closure->cntl(0), closure->request(0), closure->response(0),
@@ -1236,8 +1176,8 @@ std::future<int32_t> BrpcPsClient::push_sparse_raw_gradient_partial(
   return fut;
 }
 
-int32_t BrpcPsClient::recv_and_save_table(const uint64_t table_id,
-                                          const std::string &path) {
+int32_t BrpcPsClient::RecvAndSaveTable(const uint64_t table_id,
+                                       const std::string &path) {
   // get var information
   std::string var_name = "";
   int64_t var_num = 0;
@@ -1271,17 +1211,17 @@ int32_t BrpcPsClient::recv_and_save_table(const uint64_t table_id,
     save_vec.push_back(save_huge_vec.data() + i * var_shape);
   }
 
-  VLOG(2) << "recv_and_save_table: table_class: " << table_class;
+  VLOG(2) << "RecvAndSaveTable: table_class: " << table_class;
   // TODO(zhaocaibei123): new GeoBrpcPSClient, move this to its
-  // recv_and_save_table
+  // RecvAndSaveTable
   if (table_class == "MemorySparseGeoTable") {
     auto status =
-        pull_sparse_param(reinterpret_cast<float **>(save_vec.data()), table_id,
-                          save_key.data(), save_key.size(), true);
+        PullSparseParam(reinterpret_cast<float **>(save_vec.data()), table_id,
+                        save_key.data(), save_key.size(), true);
     status.wait();
   } else {
-    auto status = pull_sparse(reinterpret_cast<float **>(save_vec.data()),
-                              table_id, save_key.data(), save_key.size(), true);
+    auto status = PullSparse(reinterpret_cast<float **>(save_vec.data()),
+                             table_id, save_key.data(), save_key.size(), true);
     status.wait();
   }
 
@@ -1315,15 +1255,15 @@ int32_t BrpcPsClient::recv_and_save_table(const uint64_t table_id,
   return 0;
 }
 
-std::future<int32_t> BrpcPsClient::push_sparse(size_t table_id,
-                                               const uint64_t *keys,
-                                               const float **update_values,
-                                               size_t num) {
+std::future<int32_t> BrpcPsClient::PushSparse(size_t table_id,
+                                              const uint64_t *keys,
+                                              const float **update_values,
+                                              size_t num) {
   auto push_timer = std::make_shared<CostTimer>("pserver_client_push_sparse");
   CostTimer parse_timer("pserver_client_push_sparse_parse");
   int push_sparse_async_num = _push_sparse_task_queue_map[table_id]->Size();
   while (push_sparse_async_num > FLAGS_pserver_max_async_call_num) {
-    //    LOG(INFO) << "push_sparse Waiting for async_call_num comsume,
+    //    LOG(INFO) << "PushSparse Waiting for async_call_num comsume,
     //    task_num:"
     //              << push_sparse_async_num
     //              << ", max_task_limit:" << FLAGS_pserver_max_async_call_num;
@@ -1333,7 +1273,7 @@ std::future<int32_t> BrpcPsClient::push_sparse(size_t table_id,
   auto put_timer = std::make_shared<CostTimer>("client_push_sparse_put");
   thread_local std::vector<std::vector<std::pair<uint64_t, const float *>>>
       shard_sorted_kv_list;
-  auto *accessor = table_accessor(table_id);
+  auto *accessor = GetTableAccessor(table_id);
   size_t request_call_num = _server_channels.size();
   shard_sorted_kv_list.resize(request_call_num);
   for (auto &x : shard_sorted_kv_list) {
@@ -1381,7 +1321,7 @@ std::future<int32_t> BrpcPsClient::push_sparse(size_t table_id,
   return fut;
 }
 
-void BrpcPsClient::push_sparse_task_consume() {
+void BrpcPsClient::PushSparseTaskConsume() {
   uint64_t merge_size = FLAGS_pserver_push_sparse_merge_limit;
   std::vector<std::shared_ptr<SparseAsyncTask>> task_list;
   size_t request_call_num = _server_channels.size();
@@ -1392,7 +1332,7 @@ void BrpcPsClient::push_sparse_task_consume() {
     // 所有sparseTable的pushTask 进行处理
     for (auto &push_sparse_task_itr : _push_sparse_task_queue_map) {
       auto table_id = push_sparse_task_itr.first;
-      auto *accessor = table_accessor(table_id);
+      auto *accessor = GetTableAccessor(table_id);
       auto &task_queue = push_sparse_task_itr.second;
       auto queue_size = task_queue->Size();
       if (queue_size == 0) {
@@ -1471,7 +1411,7 @@ void BrpcPsClient::push_sparse_task_consume() {
         for (int shard_idx = 0; shard_idx < request_call_num; ++shard_idx) {
           merge_status[shard_idx] =
               async_push_sparse_shard_threads.enqueue(std::bind(
-                  &BrpcPsClient::push_sparse_async_shard_push, this, task_list,
+                  &BrpcPsClient::PushSparseAsyncShardPush, this, task_list,
                   request_kv_num, table_id, shard_idx, closure, accessor));
         }
         for (int shard_idx = 0; shard_idx < request_call_num; ++shard_idx) {
@@ -1487,7 +1427,7 @@ void BrpcPsClient::push_sparse_task_consume() {
         for (int shard_idx = 0; shard_idx < request_call_num; ++shard_idx) {
           merge_status[shard_idx] =
               async_push_sparse_shard_threads.enqueue(std::bind(
-                  &BrpcPsClient::push_sparse_async_shard_merge, this, task_list,
+                  &BrpcPsClient::PushSparseAsyncShardMerge, this, task_list,
                   request_kv_num, table_id, shard_idx, accessor));
         }
         for (int shard_idx = 0; shard_idx < request_call_num; ++shard_idx) {
@@ -1523,7 +1463,7 @@ void sparse_local_merge(ValueAccessor *accessor, float *merge_data,
   accessor->Merge(merge_data_shell, another_data_shell, 1);
 }
 
-int BrpcPsClient::push_sparse_async_shard_merge(
+int BrpcPsClient::PushSparseAsyncShardMerge(
     std::vector<std::shared_ptr<SparseAsyncTask>> &task_list,
     std::vector<int> &request_kv_num, int table_id, int shard_idx,
     ValueAccessor *accessor) {
@@ -1615,12 +1555,12 @@ int BrpcPsClient::push_sparse_async_shard_merge(
   return 0;
 }
 
-int BrpcPsClient::push_sparse_async_shard_push(
+int BrpcPsClient::PushSparseAsyncShardPush(
     std::vector<std::shared_ptr<SparseAsyncTask>> &task_list,
     std::vector<int> &request_kv_num, int table_id, int shard_idx,
     DownpourBrpcClosure *closure, ValueAccessor *accessor) {
-  push_sparse_async_shard_merge(task_list, request_kv_num, table_id, shard_idx,
-                                accessor);
+  PushSparseAsyncShardMerge(task_list, request_kv_num, table_id, shard_idx,
+                            accessor);
   size_t merged_kv_count = task_list[0]->data()->shared_data[shard_idx].kv_num;
 
   auto &merged_key_list = task_list[0]->data()->shared_data[shard_idx].key_list;
@@ -1649,7 +1589,7 @@ int BrpcPsClient::push_sparse_async_shard_push(
            accessor->GetTableInfo(UPDATE_SIZE));
     push_data_ptr += accessor->GetTableInfo(UPDATE_SIZE);
   }
-  PsService_Stub rpc_stub(get_sparse_channel(shard_idx));
+  PsService_Stub rpc_stub(GetSparseChannel(shard_idx));
   closure->cntl(shard_idx)->set_request_compress_type(
       (brpc::CompressType)FLAGS_pserver_communicate_compress_type);
   rpc_stub.service(closure->cntl(shard_idx), closure->request(shard_idx),
@@ -1658,10 +1598,10 @@ int BrpcPsClient::push_sparse_async_shard_push(
   return 0;
 }
 
-std::future<int32_t> BrpcPsClient::push_dense(const Region *regions,
-                                              size_t region_num,
-                                              size_t table_id) {
-  auto *accessor = table_accessor(table_id);
+std::future<int32_t> BrpcPsClient::PushDense(const Region *regions,
+                                             size_t region_num,
+                                             size_t table_id) {
+  auto *accessor = GetTableAccessor(table_id);
   int fea_dim = accessor->GetTableInfo(FEA_DIM);
   int update_dim = accessor->GetTableInfo(UPDATE_DIM);
   auto push_timer = std::make_shared<CostTimer>("pserver_client_push_dense");
@@ -1669,7 +1609,7 @@ std::future<int32_t> BrpcPsClient::push_dense(const Region *regions,
       std::make_shared<CostTimer>("pserver_client_push_dense_parse");
   int push_dense_async_num = _push_dense_task_queue_map[table_id]->Size();
   while (push_dense_async_num > FLAGS_pserver_max_async_call_num) {
-    //    LOG(INFO) << "push_dense Waiting for async_call_num comsume,
+    //    LOG(INFO) << "PushDense Waiting for async_call_num comsume,
     //    task_num:"
     //              << push_dense_async_num
     //              << ", max_task_limit:" << FLAGS_pserver_max_async_call_num;
@@ -1683,7 +1623,7 @@ std::future<int32_t> BrpcPsClient::push_dense(const Region *regions,
   size_t request_call_num = _server_channels.size();
 
   uint32_t num_per_shard =
-      dense_dim_per_shard(accessor->GetTableInfo(FEA_DIM), request_call_num);
+      DenseDimPerShard(accessor->GetTableInfo(FEA_DIM), request_call_num);
 
   // 将region数据拷贝到转置矩阵中
   async_task->data()->resize(num_per_shard * request_call_num *
@@ -1705,7 +1645,7 @@ std::future<int32_t> BrpcPsClient::push_dense(const Region *regions,
   return fut;
 }
 
-void BrpcPsClient::push_dense_task_consume() {
+void BrpcPsClient::PushDenseTaskConsume() {
   uint64_t merge_size = FLAGS_pserver_push_dense_merge_limit;
   static bool scale_gradient = FLAGS_pserver_scale_gradient_by_merge;
   ::ThreadPool async_merge_dense_threads(10);
@@ -1723,7 +1663,7 @@ void BrpcPsClient::push_dense_task_consume() {
       ++_async_call_num;
       DenseAsyncTask *task;
       task_queue->Get(task);
-      auto *accessor = table_accessor(task->table_id());
+      auto *accessor = GetTableAccessor(task->table_id());
       // 设置请求回调
       size_t request_call_num = _server_channels.size();
 
@@ -1774,7 +1714,7 @@ void BrpcPsClient::push_dense_task_consume() {
           merge_status[i].wait();
         }
 
-        VLOG(3) << "BrpcPsClient::push_dense_task_consume before merge "
+        VLOG(3) << "BrpcPsClient::PushDenseTaskConsume before merge "
                    "total_send_data[0]"
                 << total_send_data[0] << " total_send_data[-2]"
                 << total_send_data[total_send_data_size - 2]
@@ -1787,7 +1727,7 @@ void BrpcPsClient::push_dense_task_consume() {
           mat *= (1.0 / (merge_count + 1));
         }
 
-        VLOG(3) << "BrpcPsClient::push_dense_task_consume after merge "
+        VLOG(3) << "BrpcPsClient::PushDenseTaskConsume after merge "
                    "total_send_data[0]"
                 << total_send_data[0] << " total_send_data[-2]"
                 << total_send_data[total_send_data_size - 2]
@@ -1796,8 +1736,8 @@ void BrpcPsClient::push_dense_task_consume() {
                 << merge_count;
       }
       std::shared_ptr<DenseAsyncTask> task_ptr(task);
-      push_dense_raw_gradient(task_ptr, total_send_data, total_send_data_size,
-                              closure);
+      PushDenseRawGradient(task_ptr, total_send_data, total_send_data_size,
+                           closure);
     }
     auto wait_ms = FLAGS_pserver_async_push_dense_interval_ms -
                    (butil::gettimeofday_ms() - async_start_time_ms);
@@ -1807,16 +1747,17 @@ void BrpcPsClient::push_dense_task_consume() {
   }
 }
 
-void BrpcPsClient::push_dense_raw_gradient(
-    std::shared_ptr<DenseAsyncTask> &task, float *total_send_data,
-    size_t total_send_data_size, DownpourBrpcClosure *closure) {
-  auto *accessor = table_accessor(task->table_id());
+void BrpcPsClient::PushDenseRawGradient(std::shared_ptr<DenseAsyncTask> &task,
+                                        float *total_send_data,
+                                        size_t total_send_data_size,
+                                        DownpourBrpcClosure *closure) {
+  auto *accessor = GetTableAccessor(task->table_id());
   size_t request_call_num = _server_channels.size();
   // 将数据拷贝到请求buffer区
   auto timer = std::make_shared<CostTimer>("pserver_client_push_dense_rpc");
   closure->add_timer(timer);
   uint32_t num_per_shard =
-      dense_dim_per_shard(accessor->GetTableInfo(FEA_DIM), request_call_num);
+      DenseDimPerShard(accessor->GetTableInfo(FEA_DIM), request_call_num);
   auto send_timer =
       std::make_shared<CostTimer>("pserver_client_push_dense_send");
   for (size_t i = 0; i < request_call_num; ++i) {
@@ -1832,7 +1773,7 @@ void BrpcPsClient::push_dense_raw_gradient(
            total_send_data + i * num_per_shard, num_per_shard * sizeof(float));
     closure->cntl(i)->set_request_compress_type(
         (brpc::CompressType)FLAGS_pserver_communicate_compress_type);
-    PsService_Stub rpc_stub(get_dense_channel(i));
+    PsService_Stub rpc_stub(GetDenseChannel(i));
     rpc_stub.service(closure->cntl(i), closure->request(i),
                      closure->response(i), closure);
   }

paddle/fluid/distributed/ps/service/brpc_ps_client.h

@@ -50,7 +50,7 @@ class DownpourPsClientService : public PsService {
   DownpourPsClientService() {}
   virtual ~DownpourPsClientService() {}
 
-  virtual int32_t configure(PSClient *client, size_t rank_id) {
+  virtual int32_t Configure(PSClient *client, size_t rank_id) {
     _client = client;
     _rank = rank_id;
     return 0;
@@ -139,7 +139,7 @@ class BrpcPsClient : public PSClient {
   BrpcPsClient() {}
   virtual ~BrpcPsClient() {
     if (_running) {
-      flush();
+      Flush();
       _running = false;
     }
     if (_async_push_dense_thread.joinable()) {
@@ -154,109 +154,98 @@ class BrpcPsClient : public PSClient {
       _server_started = false;
     }
   }
-  virtual int32_t create_client2client_connection(
-      int pserver_timeout_ms, int pserver_connect_timeout_ms, int max_retry);
-  std::future<int32_t> shrink(uint32_t table_id,
+  virtual int32_t CreateClient2ClientConnection(int pserver_timeout_ms,
+                                                int pserver_connect_timeout_ms,
+                                                int max_retry);
+  std::future<int32_t> Shrink(uint32_t table_id,
                               const std::string threshold) override;
-  std::future<int32_t> load(const std::string &epoch,
+  std::future<int32_t> Load(const std::string &epoch,
                             const std::string &mode) override;
-  std::future<int32_t> load(uint32_t table_id, const std::string &epoch,
+  std::future<int32_t> Load(uint32_t table_id, const std::string &epoch,
                             const std::string &mode) override;
 
-  std::future<int32_t> Load(const LoadSaveContext &load_context) override;
-
-  std::future<int32_t> save(const std::string &epoch,
+  std::future<int32_t> Save(const std::string &epoch,
                             const std::string &mode) override;
 
-  std::future<int32_t> save(uint32_t table_id, const std::string &epoch,
+  std::future<int32_t> Save(uint32_t table_id, const std::string &epoch,
                             const std::string &mode) override;
 
-  virtual std::future<int32_t> Save(
-      const LoadSaveContext &save_context) override;
-
-  std::future<int32_t> clear() override;
-
-  std::future<int32_t> clear(uint32_t table_id) override;
+  std::future<int32_t> Clear() override;
 
-  std::future<int32_t> stop_server() override;
+  std::future<int32_t> Clear(uint32_t table_id) override;
 
-  std::future<int32_t> start_profiler() override;
-  std::future<int32_t> stop_profiler() override;
+  std::future<int32_t> StopServer() override;
 
-  void finalize_worker() override;
+  std::future<int32_t> StartProfiler() override;
+  std::future<int32_t> StopProfiler() override;
 
-  virtual std::future<int32_t> pull_dense(Region *regions, size_t region_num,
-                                          size_t table_id);
+  void FinalizeWorker() override;
 
-  virtual std::future<int32_t> push_dense_param(const Region *regions,
-                                                size_t region_num,
-                                                size_t table_id);
+  virtual std::future<int32_t> PullDense(Region *regions, size_t region_num,
+                                         size_t table_id);
 
-  virtual std::future<int32_t> push_dense(const Region *regions,
-                                          size_t region_num, size_t table_id);
-  void push_dense_task_consume();
-  virtual std::future<int32_t> pull_sparse(float **select_values,
-                                           size_t table_id,
-                                           const uint64_t *keys, size_t num,
-                                           bool is_training);
-  virtual std::future<int32_t> pull_sparse_param(float **select_values,
-                                                 size_t table_id,
-                                                 const uint64_t *keys,
-                                                 size_t num, bool is_training);
+  virtual std::future<int32_t> PushDenseParam(const Region *regions,
+                                              size_t region_num,
+                                              size_t table_id);
 
-  virtual std::future<int32_t> Pull(RequestContext &pull_context) override;
+  virtual std::future<int32_t> PushDense(const Region *regions,
+                                         size_t region_num, size_t table_id);
+  void PushDenseTaskConsume();
+  virtual std::future<int32_t> PullSparse(float **select_values,
+                                          size_t table_id, const uint64_t *keys,
+                                          size_t num, bool is_training);
+  virtual std::future<int32_t> PullSparseParam(float **select_values,
+                                               size_t table_id,
+                                               const uint64_t *keys, size_t num,
+                                               bool is_training);
 
-  virtual std::future<int32_t> Push(RequestContext &push_context) override;
+  virtual std::future<int32_t> PrintTableStat(uint32_t table_id);
 
-  virtual std::future<int32_t> print_table_stat(uint32_t table_id);
+  virtual std::future<int32_t> Barrier(size_t table_id, uint32_t barrier_type);
 
-  virtual std::future<int32_t> barrier(size_t table_id, uint32_t barrier_type);
+  virtual std::future<int32_t> PullGeoParam(size_t table_id,
+                                            std::vector<float> *values,
+                                            std::vector<uint64_t> *keys,
+                                            int pserver_idx);
+  virtual std::future<int32_t> PushGlobalStep(int table_id,
+                                              int64_t *total_send_data,
+                                              void *done);
+  virtual std::future<int32_t> Flush();
 
-  virtual std::future<int32_t> pull_geo_param(size_t table_id,
-                                              std::vector<float> *values,
-                                              std::vector<uint64_t> *keys,
-                                              int pserver_idx);
-  virtual std::future<int32_t> push_global_step(int table_id,
-                                                int64_t *total_send_data,
-                                                void *done);
-  virtual std::future<int32_t> flush();
-
-  std::future<int32_t> send_client2client_msg(int msg_type, int to_client_id,
-                                              const std::string &msg) override;
+  std::future<int32_t> SendClient2ClientMsg(int msg_type, int to_client_id,
+                                            const std::string &msg) override;
 
   // for local save sparse
-  virtual int32_t recv_and_save_table(const uint64_t table_id,
-                                      const std::string &path);
+  virtual int32_t RecvAndSaveTable(const uint64_t table_id,
+                                   const std::string &path);
 
-  void print_queue_size();
-  void print_queue_size_thread();
+  void PrintQueueSize();
+  void PrintQueueSizeThread();
 
  protected:
-  virtual size_t get_server_nums() { return _server_channels.size(); }
-  inline brpc::Channel *get_sparse_channel(size_t server_id) {
+  virtual size_t GetServerNums() { return _server_channels.size(); }
+  inline brpc::Channel *GetSparseChannel(size_t server_id) {
     return _server_channels[server_id][0].get();
   }
-  inline brpc::Channel *get_dense_channel(size_t server_id) {
+  inline brpc::Channel *GetDenseChannel(size_t server_id) {
     return _server_channels[server_id][1].get();
   }
-  inline brpc::Channel *get_cmd_channel(size_t server_id) {
+  inline brpc::Channel *GetCmdChannel(size_t server_id) {
     return _server_channels[server_id][2].get();
   }
-  int32_t initialize() override;
+  int32_t Initialize() override;
 
  private:
-  // virtual int32_t initialize() override;
-
-  inline uint32_t dense_dim_per_shard(uint32_t dense_dim_total,
-                                      uint32_t shard_num) {
+  inline uint32_t DenseDimPerShard(uint32_t dense_dim_total,
+                                   uint32_t shard_num) {
     return dense_dim_total / shard_num + 1;
   }
 
-  std::future<int32_t> send_cmd(uint32_t table_id, int cmd_id,
-                                const std::vector<std::string> &param);
+  std::future<int32_t> SendCmd(uint32_t table_id, int cmd_id,
+                               const std::vector<std::string> &param);
 
-  std::future<int32_t> send_save_cmd(uint32_t table_id, int cmd_id,
-                                     const std::vector<std::string> &param);
+  std::future<int32_t> SendSaveCmd(uint32_t table_id, int cmd_id,
+                                   const std::vector<std::string> &param);
 
   bool _running = false;
   bool _flushing = false;
@@ -276,12 +265,12 @@ class BrpcPsClient : public PSClient {
 
   std::thread _print_thread;
 
-  int push_sparse_async_shard_merge(
+  int PushSparseAsyncShardMerge(
       std::vector<std::shared_ptr<SparseAsyncTask>> &task_list,       // NOLINT
       std::vector<int> &request_kv_num, int table_id, int shard_idx,  // NOLINT
       ValueAccessor *accessor);
 
-  int push_sparse_async_shard_push(
+  int PushSparseAsyncShardPush(
       std::vector<std::shared_ptr<SparseAsyncTask>> &task_list,       // NOLINT
       std::vector<int> &request_kv_num, int table_id, int shard_idx,  // NOLINT
       DownpourBrpcClosure *closure, ValueAccessor *accessor);
@@ -292,36 +281,36 @@ class BrpcPsClient : public PSClient {
       _client_channels;  // client2client
   std::vector<std::array<std::shared_ptr<brpc::Channel>, 3>>
       _server_channels;  // client2server
-  std::future<int32_t> push_dense_raw_gradient(int table_id,
-                                               float *total_send_data,
-                                               size_t total_send_data_size,
-                                               void *done) override;
-
-  std::future<int32_t> push_sparse_raw_gradient(size_t table_id,
-                                                const uint64_t *keys,
-                                                const float **update_values,
-                                                size_t num,
-                                                void *done) override;
-
-  std::future<int32_t> push_sparse_raw_gradient_partial(
-      size_t table_id, const uint64_t *keys, const float **update_values,
-      uint32_t num, void *done, int pserver_idx) override;
-
-  std::future<int32_t> push_sparse_param(size_t table_id, const uint64_t *keys,
-                                         const float **update_values,
-                                         size_t num, void *done) override;
-  std::future<int32_t> push_sparse(size_t table_id, const uint64_t *keys,
-                                   const float **update_values,
-                                   size_t num) override;
-  void push_sparse_task_consume();
+  std::future<int32_t> PushDenseRawGradient(int table_id,
+                                            float *total_send_data,
+                                            size_t total_send_data_size,
+                                            void *done) override;
+
+  std::future<int32_t> PushSparseRawGradient(size_t table_id,
+                                             const uint64_t *keys,
+                                             const float **update_values,
+                                             size_t num, void *done) override;
+
+  std::future<int32_t> PushSparseRawGradientPartial(size_t table_id,
+                                                    const uint64_t *keys,
+                                                    const float **update_values,
+                                                    uint32_t num, void *done,
+                                                    int pserver_idx) override;
+
+  std::future<int32_t> PushSparseParam(size_t table_id, const uint64_t *keys,
+                                       const float **update_values, size_t num,
+                                       void *done) override;
+  std::future<int32_t> PushSparse(size_t table_id, const uint64_t *keys,
+                                  const float **update_values,
+                                  size_t num) override;
+  void PushSparseTaskConsume();
 
  private:
-  int32_t start_client_service();
+  int32_t StartClientService();
 
-  void push_dense_raw_gradient(std::shared_ptr<DenseAsyncTask> &task,  // NOLINT
-                               float *total_send_data,
-                               size_t total_send_data_size,
-                               DownpourBrpcClosure *closure);
+  void PushDenseRawGradient(std::shared_ptr<DenseAsyncTask> &task,  // NOLINT
+                            float *total_send_data, size_t total_send_data_size,
+                            DownpourBrpcClosure *closure);
   float _mae = 0;
   float _mse = 0;
   uint16_t _push_times = 0;

paddle/fluid/distributed/ps/service/brpc_ps_server.cc

@@ -31,7 +31,7 @@ class RpcController;
 namespace paddle {
 namespace distributed {
 
-int32_t BrpcPsServer::initialize() {
+int32_t BrpcPsServer::Initialize() {
   auto &service_config = _config.downpour_server_param().service_param();
   if (!service_config.has_service_class()) {
     LOG(ERROR) << "miss service_class in ServerServiceParameter";
@@ -46,7 +46,7 @@ int32_t BrpcPsServer::initialize() {
   }
 
   _service.reset(service);
-  if (service->configure(this) != 0 || service->initialize() != 0) {
+  if (service->Configure(this) != 0 || service->Initialize() != 0) {
     LOG(ERROR) << "service initialize failed, service_name:"
                << service_config.service_class();
     return -1;
@@ -59,7 +59,7 @@ int32_t BrpcPsServer::initialize() {
   return 0;
 }
 
-uint64_t BrpcPsServer::start(const std::string &ip, uint32_t port) {
+uint64_t BrpcPsServer::Start(const std::string &ip, uint32_t port) {
   std::unique_lock<std::mutex> lock(mutex_);
 
   std::string ip_port = ip + ":" + std::to_string(port);
@@ -68,7 +68,7 @@ uint64_t BrpcPsServer::start(const std::string &ip, uint32_t port) {
   brpc::ServerOptions options;
 
   int num_threads = std::thread::hardware_concurrency();
-  auto trainers = _environment->get_trainers();
+  auto trainers = _environment->GetTrainers();
   options.num_threads = trainers > num_threads ? trainers : num_threads;
 
   if (_server.Start(ip_port.c_str(), &options) != 0) {
@@ -83,7 +83,7 @@ uint64_t BrpcPsServer::start(const std::string &ip, uint32_t port) {
     }
   }
 
-  _environment->registe_ps_server(ip, port, _rank);
+  _environment->RegistePsServer(ip, port, _rank);
   cv_.wait(lock, [&] { return stoped_; });
 
   PSHost host;
@@ -93,31 +93,30 @@ uint64_t BrpcPsServer::start(const std::string &ip, uint32_t port) {
   return host.rank;
 }
 
-int32_t BrpcPsServer::port() { return _server.listen_address().port; }
+int32_t BrpcPsServer::Port() { return _server.listen_address().port; }
 
-int32_t BrpcPsService::initialize() {
+int32_t BrpcPsService::Initialize() {
   _is_initialize_shard_info = false;
-  _service_handler_map[PS_STOP_SERVER] = &BrpcPsService::stop_server;
-  _service_handler_map[PS_PULL_DENSE_TABLE] = &BrpcPsService::pull_dense;
-  _service_handler_map[PS_PUSH_DENSE_TABLE] = &BrpcPsService::push_dense;
-  _service_handler_map[PS_PULL_SPARSE_TABLE] = &BrpcPsService::pull_sparse;
-  _service_handler_map[PS_PUSH_SPARSE_TABLE] = &BrpcPsService::push_sparse;
-  _service_handler_map[PS_SAVE_ONE_TABLE] = &BrpcPsService::save_one_table;
-  _service_handler_map[PS_SAVE_ALL_TABLE] = &BrpcPsService::save_all_table;
-  _service_handler_map[PS_SHRINK_TABLE] = &BrpcPsService::shrink_table;
-  _service_handler_map[PS_LOAD_ONE_TABLE] = &BrpcPsService::load_one_table;
-  _service_handler_map[PS_LOAD_ALL_TABLE] = &BrpcPsService::load_all_table;
-  _service_handler_map[PS_CLEAR_ONE_TABLE] = &BrpcPsService::clear_one_table;
-  _service_handler_map[PS_CLEAR_ALL_TABLE] = &BrpcPsService::clear_all_table;
-  _service_handler_map[PS_PUSH_DENSE_PARAM] = &BrpcPsService::push_dense_param;
-  _service_handler_map[PS_PRINT_TABLE_STAT] = &BrpcPsService::print_table_stat;
-  _service_handler_map[PS_PULL_GEO_PARAM] = &BrpcPsService::pull_geo_param;
-  _service_handler_map[PS_PUSH_SPARSE_PARAM] =
-      &BrpcPsService::push_sparse_param;
-  _service_handler_map[PS_BARRIER] = &BrpcPsService::barrier;
-  _service_handler_map[PS_START_PROFILER] = &BrpcPsService::start_profiler;
-  _service_handler_map[PS_STOP_PROFILER] = &BrpcPsService::stop_profiler;
-  _service_handler_map[PS_PUSH_GLOBAL_STEP] = &BrpcPsService::push_global_step;
+  _service_handler_map[PS_STOP_SERVER] = &BrpcPsService::StopServer;
+  _service_handler_map[PS_PULL_DENSE_TABLE] = &BrpcPsService::PullDense;
+  _service_handler_map[PS_PUSH_DENSE_TABLE] = &BrpcPsService::PushDense;
+  _service_handler_map[PS_PULL_SPARSE_TABLE] = &BrpcPsService::PullSparse;
+  _service_handler_map[PS_PUSH_SPARSE_TABLE] = &BrpcPsService::PushSparse;
+  _service_handler_map[PS_SAVE_ONE_TABLE] = &BrpcPsService::SaveOneTable;
+  _service_handler_map[PS_SAVE_ALL_TABLE] = &BrpcPsService::SaveAllTable;
+  _service_handler_map[PS_SHRINK_TABLE] = &BrpcPsService::ShrinkTable;
+  _service_handler_map[PS_LOAD_ONE_TABLE] = &BrpcPsService::LoadOneTable;
+  _service_handler_map[PS_LOAD_ALL_TABLE] = &BrpcPsService::LoadAllTable;
+  _service_handler_map[PS_CLEAR_ONE_TABLE] = &BrpcPsService::ClearOneTable;
+  _service_handler_map[PS_CLEAR_ALL_TABLE] = &BrpcPsService::ClearAllTable;
+  _service_handler_map[PS_PUSH_DENSE_PARAM] = &BrpcPsService::PushDenseParam;
+  _service_handler_map[PS_PRINT_TABLE_STAT] = &BrpcPsService::PrintTableStat;
+  _service_handler_map[PS_PULL_GEO_PARAM] = &BrpcPsService::PullGeoParam;
+  _service_handler_map[PS_PUSH_SPARSE_PARAM] = &BrpcPsService::PushSparseParam;
+  _service_handler_map[PS_BARRIER] = &BrpcPsService::Barrier;
+  _service_handler_map[PS_START_PROFILER] = &BrpcPsService::StartProfiler;
+  _service_handler_map[PS_STOP_PROFILER] = &BrpcPsService::StopProfiler;
+  _service_handler_map[PS_PUSH_GLOBAL_STEP] = &BrpcPsService::PushGlobalStep;
   auto &profiler = CostProfiler::instance();
   profiler.register_profiler("pserver_server_pull_dense");
   profiler.register_profiler("pserver_server_push_dense");
@@ -125,7 +124,7 @@ int32_t BrpcPsService::initialize() {
   profiler.register_profiler("pserver_server_push_sparse");
 
   // shard初始化,server启动后才可从env获取到server_list的shard信息
-  initialize_shard_info();
+  InitializeShardInfo();
 
   return 0;
 }
@@ -138,16 +137,16 @@ int32_t BrpcPsService::initialize() {
     return -1;                                             \
   }
 
-int32_t BrpcPsService::initialize_shard_info() {
+int32_t BrpcPsService::InitializeShardInfo() {
   if (!_is_initialize_shard_info) {
     std::lock_guard<std::mutex> guard(_initialize_shard_mutex);
     if (_is_initialize_shard_info) {
       return 0;
     }
-    size_t shard_num = _server->environment()->get_ps_servers().size();
-    auto &table_map = *(_server->table());
+    size_t shard_num = _server->Environment()->GetPsServers().size();
+    auto &table_map = *(_server->GetTable());
     for (auto itr : table_map) {
-      itr.second->set_shard(_rank, shard_num);
+      itr.second->SetShard(_rank, shard_num);
     }
     _is_initialize_shard_info = true;
   }
@@ -167,7 +166,7 @@ void BrpcPsService::service(google::protobuf::RpcController *cntl_base,
 
   response->set_err_code(0);
   response->set_err_msg("");
-  auto *table = _server->table(request->table_id());
+  auto *table = _server->GetTable(request->table_id());
   brpc::Controller *cntl = static_cast<brpc::Controller *>(cntl_base);
   auto itr = _service_handler_map.find(request->cmd_id());
   if (itr == _service_handler_map.end()) {
@@ -185,11 +184,11 @@ void BrpcPsService::service(google::protobuf::RpcController *cntl_base,
   }
 }
 
-int32_t BrpcPsService::pull_dense(Table *table, const PsRequestMessage &request,
-                                  PsResponseMessage &response,
-                                  brpc::Controller *cntl) {
+int32_t BrpcPsService::PullDense(Table *table, const PsRequestMessage &request,
+                                 PsResponseMessage &response,
+                                 brpc::Controller *cntl) {
   platform::RecordEvent record_event(
-      "PsService->pull_dense", platform::TracerEventType::Communication, 1);
+      "PsService->PullDense", platform::TracerEventType::Communication, 1);
   CHECK_TABLE_EXIST(table, request, response)
   if (request.params_size() < 1) {
     set_response_code(
@@ -206,14 +205,15 @@ int32_t BrpcPsService::pull_dense(Table *table, const PsRequestMessage &request,
   }
 
   auto res_data = butil::get_object<std::vector<float>>();
-  res_data->resize(num * table->value_accesor()->GetTableInfo(SELECT_SIZE) /
+  res_data->resize(num * table->ValueAccesor()->GetTableInfo(SELECT_SIZE) /
                    sizeof(float));
+
   TableContext table_context;
   table_context.value_type = Dense;
   table_context.pull_context.values = res_data->data();
   table_context.num = num;
   table->Pull(table_context);
-  // table->pull_dense(res_data->data(), num);
+  // table->PullDense(res_data->data(), num);
 
   cntl->response_attachment().append((char *)(res_data->data()),
                                      res_data->size() * sizeof(float));
@@ -222,13 +222,12 @@ int32_t BrpcPsService::pull_dense(Table *table, const PsRequestMessage &request,
   return 0;
 }
 
-int32_t BrpcPsService::push_dense_param(Table *table,
-                                        const PsRequestMessage &request,
-                                        PsResponseMessage &response,
-                                        brpc::Controller *cntl) {
-  platform::RecordEvent record_event("PsService->push_dense_param",
-                                     platform::TracerEventType::Communication,
-                                     1);
+int32_t BrpcPsService::PushDenseParam(Table *table,
+                                      const PsRequestMessage &request,
+                                      PsResponseMessage &response,
+                                      brpc::Controller *cntl) {
+  platform::RecordEvent record_event(
+      "PsService->PushDenseParam", platform::TracerEventType::Communication, 1);
   CHECK_TABLE_EXIST(table, request, response)
   thread_local std::string push_buffer;
   auto &req_io_buffer = cntl->request_attachment();
@@ -245,17 +244,17 @@ int32_t BrpcPsService::push_dense_param(Table *table,
   uint32_t num = *(const uint32_t *)data;
 
   const float *values = (const float *)(data + sizeof(uint32_t));
-  if (table->push_dense_param(values, num) != 0) {
-    set_response_code(response, -1, "push_dense_param failed");
+  if (table->PushDenseParam(values, num) != 0) {
+    set_response_code(response, -1, "PushDenseParam failed");
   }
   return 0;
 }
 
-int32_t BrpcPsService::push_dense(Table *table, const PsRequestMessage &request,
-                                  PsResponseMessage &response,
-                                  brpc::Controller *cntl) {
+int32_t BrpcPsService::PushDense(Table *table, const PsRequestMessage &request,
+                                 PsResponseMessage &response,
+                                 brpc::Controller *cntl) {
   platform::RecordEvent record_event(
-      "PsService->push_dense", platform::TracerEventType::Communication, 1);
+      "PsService->PushDense", platform::TracerEventType::Communication, 1);
   CHECK_TABLE_EXIST(table, request, response)
   auto req_buffer_size = request.data().size();
   if (req_buffer_size < 1) {
@@ -278,14 +277,14 @@ int32_t BrpcPsService::push_dense(Table *table, const PsRequestMessage &request,
   // const float *values = (const float *)(request.data().data() +
   // sizeof(uint32_t));
   if (table->Push(table_context) != 0) {
-    // if (table->push_dense(values, num) != 0) {
-    set_response_code(response, -1, "push_dense failed");
+    // if (table->PushDense(values, num) != 0) {
+    set_response_code(response, -1, "PushDense failed");
   }
 
   return 0;
 }
 
-int32_t BrpcPsService::barrier(Table *table, const PsRequestMessage &request,
+int32_t BrpcPsService::Barrier(Table *table, const PsRequestMessage &request,
                                PsResponseMessage &response,
                                brpc::Controller *cntl) {
   CHECK_TABLE_EXIST(table, request, response)
@@ -299,15 +298,15 @@ int32_t BrpcPsService::barrier(Table *table, const PsRequestMessage &request,
 
   auto trainer_id = request.client_id();
   auto barrier_type = request.params(0);
-  table->barrier(trainer_id, barrier_type);
+  table->Barrier(trainer_id, barrier_type);
   return 0;
 }
 
-int32_t BrpcPsService::push_sparse_param(Table *table,
-                                         const PsRequestMessage &request,
-                                         PsResponseMessage &response,
-                                         brpc::Controller *cntl) {
-  platform::RecordEvent record_event("PsService->push_sparse_param",
+int32_t BrpcPsService::PushSparseParam(Table *table,
+                                       const PsRequestMessage &request,
+                                       PsResponseMessage &response,
+                                       brpc::Controller *cntl) {
+  platform::RecordEvent record_event("PsService->PushSparseParam",
                                      platform::TracerEventType::Communication,
                                      1);
   CHECK_TABLE_EXIST(table, request, response)
@@ -331,16 +330,16 @@ int32_t BrpcPsService::push_sparse_param(Table *table,
   const uint64_t *keys = (const uint64_t *)push_data.data();
   const float *values =
       (const float *)(push_data.data() + sizeof(uint64_t) * num);
-  if (table->push_sparse_param(keys, values, num) != 0) {
-    set_response_code(response, -1, "push_sparse_param error");
+  if (table->PushSparseParam(keys, values, num) != 0) {
+    set_response_code(response, -1, "PushSparseParam error");
   }
   return 0;
 }
 
-int32_t BrpcPsService::pull_geo_param(Table *table,
-                                      const PsRequestMessage &request,
-                                      PsResponseMessage &response,
-                                      brpc::Controller *cntl) {
+int32_t BrpcPsService::PullGeoParam(Table *table,
+                                    const PsRequestMessage &request,
+                                    PsResponseMessage &response,
+                                    brpc::Controller *cntl) {
   platform::RecordEvent record_event(
       "PsService->pull_geo_param", platform::TracerEventType::Communication, 1);
   CHECK_TABLE_EXIST(table, request, response)
@@ -350,7 +349,7 @@ int32_t BrpcPsService::pull_geo_param(Table *table,
 
   std::vector<float> values;
   std::vector<uint64_t> ids;
-  table->pull_geo_param(trainer_id, &values, &ids);
+  table->PullGeoParam(trainer_id, &values, &ids);
 
   uint32_t num = ids.size();
   cntl->response_attachment().append((char *)(&num), sizeof(uint32_t));
@@ -361,12 +360,11 @@ int32_t BrpcPsService::pull_geo_param(Table *table,
   return 0;
 }
 
-int32_t BrpcPsService::pull_sparse(Table *table,
-                                   const PsRequestMessage &request,
-                                   PsResponseMessage &response,
-                                   brpc::Controller *cntl) {
+int32_t BrpcPsService::PullSparse(Table *table, const PsRequestMessage &request,
+                                  PsResponseMessage &response,
+                                  brpc::Controller *cntl) {
   platform::RecordEvent record_event(
-      "PsService->pull_sparse", platform::TracerEventType::Communication, 1);
+      "PsService->PullSparse", platform::TracerEventType::Communication, 1);
   CHECK_TABLE_EXIST(table, request, response)
 
   auto &req_io_buffer = cntl->request_attachment();
@@ -386,7 +384,7 @@ int32_t BrpcPsService::pull_sparse(Table *table,
 
   CostTimer timer("pserver_server_pull_sparse");
   uint32_t num = *(uint32_t *)(request.params(0).c_str());
-  auto dim = table->value_accesor()->GetTableInfo(SELECT_DIM);
+  auto dim = table->ValueAccesor()->GetTableInfo(SELECT_DIM);
 
   thread_local std::string req_buffer;
   req_buffer.reserve(req_buffer_size);
@@ -405,7 +403,7 @@ int32_t BrpcPsService::pull_sparse(Table *table,
   table_context.pull_context.pull_value = value;
   table_context.pull_context.values = res_data->data();
   table->Pull(table_context);
-  // table->pull_sparse(res_data->data(), value);
+  // table->PullSparse(res_data->data(), value);
 
   cntl->response_attachment().append((char *)(res_data->data()),
                                      res_data->size() * sizeof(float));
@@ -413,12 +411,11 @@ int32_t BrpcPsService::pull_sparse(Table *table,
   return 0;
 }
 
-int32_t BrpcPsService::push_sparse(Table *table,
-                                   const PsRequestMessage &request,
-                                   PsResponseMessage &response,
-                                   brpc::Controller *cntl) {
+int32_t BrpcPsService::PushSparse(Table *table, const PsRequestMessage &request,
+                                  PsResponseMessage &response,
+                                  brpc::Controller *cntl) {
   platform::RecordEvent record_event(
-      "PsService->push_sparse", platform::TracerEventType::Communication, 1);
+      "PsService->PushSparse", platform::TracerEventType::Communication, 1);
   CHECK_TABLE_EXIST(table, request, response)
   auto &push_data = request.data();
   if (push_data.size() < 1) {
@@ -448,18 +445,18 @@ int32_t BrpcPsService::push_sparse(Table *table,
   // const float *values = (const float *)(push_data.data() + sizeof(uint64_t) *
   // num);
   if (table->Push(table_context) != 0) {
-    // if (table->push_sparse(keys, values, num) != 0) {
-    set_response_code(response, -1, "push_sparse error");
+    // if (table->PushSparse(keys, values, num) != 0) {
+    set_response_code(response, -1, "PushSparse error");
   }
   return 0;
 }
 
-int32_t BrpcPsService::print_table_stat(Table *table,
-                                        const PsRequestMessage &request,
-                                        PsResponseMessage &response,
-                                        brpc::Controller *cntl) {
+int32_t BrpcPsService::PrintTableStat(Table *table,
+                                      const PsRequestMessage &request,
+                                      PsResponseMessage &response,
+                                      brpc::Controller *cntl) {
   CHECK_TABLE_EXIST(table, request, response)
-  std::pair<int64_t, int64_t> ret = table->print_table_stat();
+  std::pair<int64_t, int64_t> ret = table->PrintTableStat();
   paddle::framework::BinaryArchive ar;
   ar << ret.first << ret.second;
   std::string table_info(ar.Buffer(), ar.Length());
@@ -468,10 +465,10 @@ int32_t BrpcPsService::print_table_stat(Table *table,
   return 0;
 }
 
-int32_t BrpcPsService::load_one_table(Table *table,
-                                      const PsRequestMessage &request,
-                                      PsResponseMessage &response,
-                                      brpc::Controller *cntl) {
+int32_t BrpcPsService::LoadOneTable(Table *table,
+                                    const PsRequestMessage &request,
+                                    PsResponseMessage &response,
+                                    brpc::Controller *cntl) {
   CHECK_TABLE_EXIST(table, request, response)
   if (request.params_size() < 2) {
     set_response_code(
@@ -479,20 +476,20 @@ int32_t BrpcPsService::load_one_table(Table *table,
         "PsRequestMessage.datas is requeired at least 2 for path & load_param");
     return -1;
   }
-  if (table->load(request.params(0), request.params(1)) != 0) {
+  if (table->Load(request.params(0), request.params(1)) != 0) {
     set_response_code(response, -1, "table load failed");
     return -1;
   }
   return 0;
 }
 
-int32_t BrpcPsService::load_all_table(Table *table,
-                                      const PsRequestMessage &request,
-                                      PsResponseMessage &response,
-                                      brpc::Controller *cntl) {
-  auto &table_map = *(_server->table());
+int32_t BrpcPsService::LoadAllTable(Table *table,
+                                    const PsRequestMessage &request,
+                                    PsResponseMessage &response,
+                                    brpc::Controller *cntl) {
+  auto &table_map = *(_server->GetTable());
   for (auto &itr : table_map) {
-    if (load_one_table(itr.second.get(), request, response, cntl) != 0) {
+    if (LoadOneTable(itr.second.get(), request, response, cntl) != 0) {
       LOG(ERROR) << "load table[" << itr.first << "] failed";
       return -1;
     }
@@ -500,10 +497,10 @@ int32_t BrpcPsService::load_all_table(Table *table,
   return 0;
 }
 
-int32_t BrpcPsService::save_one_table(Table *table,
-                                      const PsRequestMessage &request,
-                                      PsResponseMessage &response,
-                                      brpc::Controller *cntl) {
+int32_t BrpcPsService::SaveOneTable(Table *table,
+                                    const PsRequestMessage &request,
+                                    PsResponseMessage &response,
+                                    brpc::Controller *cntl) {
   CHECK_TABLE_EXIST(table, request, response)
   if (request.params_size() < 2) {
     set_response_code(
@@ -511,12 +508,12 @@ int32_t BrpcPsService::save_one_table(Table *table,
         "PsRequestMessage.datas is requeired at least 2, path&mode");
     return -1;
   }
-  table->flush();
+  table->Flush();
 
   int32_t feasign_size = 0;
 
   VLOG(3) << "save table " << request.params(0) << " " << request.params(1);
-  feasign_size = table->save(request.params(0), request.params(1));
+  feasign_size = table->Save(request.params(0), request.params(1));
   if (feasign_size < 0) {
     set_response_code(response, -1, "table save failed");
     return -1;
@@ -524,16 +521,16 @@ int32_t BrpcPsService::save_one_table(Table *table,
   return feasign_size;
 }
 
-int32_t BrpcPsService::save_all_table(Table *table,
-                                      const PsRequestMessage &request,
-                                      PsResponseMessage &response,
-                                      brpc::Controller *cntl) {
-  auto &table_map = *(_server->table());
+int32_t BrpcPsService::SaveAllTable(Table *table,
+                                    const PsRequestMessage &request,
+                                    PsResponseMessage &response,
+                                    brpc::Controller *cntl) {
+  auto &table_map = *(_server->GetTable());
   int32_t all_feasign_size = 0;
   int32_t feasign_size = 0;
 
   for (auto &itr : table_map) {
-    feasign_size = save_one_table(itr.second.get(), request, response, cntl);
+    feasign_size = SaveOneTable(itr.second.get(), request, response, cntl);
     if (feasign_size < 0) {
       LOG(ERROR) << "save table[" << itr.first << "] failed";
       return -1;
@@ -542,10 +539,10 @@ int32_t BrpcPsService::save_all_table(Table *table,
   return 0;
 }
 
-int32_t BrpcPsService::shrink_table(Table *table,
-                                    const PsRequestMessage &request,
-                                    PsResponseMessage &response,
-                                    brpc::Controller *cntl) {
+int32_t BrpcPsService::ShrinkTable(Table *table,
+                                   const PsRequestMessage &request,
+                                   PsResponseMessage &response,
+                                   brpc::Controller *cntl) {
   CHECK_TABLE_EXIST(table, request, response)
   if (request.params_size() < 1) {
     set_response_code(
@@ -553,8 +550,8 @@ int32_t BrpcPsService::shrink_table(Table *table,
         "PsRequestMessage.datas is requeired at least 1, threshold");
     return -1;
   }
-  table->flush();
-  if (table->shrink(request.params(0)) != 0) {
+  table->Flush();
+  if (table->Shrink(request.params(0)) != 0) {
     set_response_code(response, -1, "table shrink failed");
     return -1;
   }
@@ -562,63 +559,62 @@ int32_t BrpcPsService::shrink_table(Table *table,
   return 0;
 }
 
-int32_t BrpcPsService::clear_one_table(Table *table,
-                                       const PsRequestMessage &request,
-                                       PsResponseMessage &response,
-                                       brpc::Controller *cntl) {
+int32_t BrpcPsService::ClearOneTable(Table *table,
+                                     const PsRequestMessage &request,
+                                     PsResponseMessage &response,
+                                     brpc::Controller *cntl) {
   CHECK_TABLE_EXIST(table, request, response)
-  table->flush();
-  table->clear();
+  table->Flush();
+  table->Clear();
   return 0;
 }
 
-int32_t BrpcPsService::clear_all_table(Table *table,
-                                       const PsRequestMessage &request,
-                                       PsResponseMessage &response,
-                                       brpc::Controller *cntl) {
-  auto &table_map = *(_server->table());
+int32_t BrpcPsService::ClearAllTable(Table *table,
+                                     const PsRequestMessage &request,
+                                     PsResponseMessage &response,
+                                     brpc::Controller *cntl) {
+  auto &table_map = *(_server->GetTable());
   for (auto &itr : table_map) {
-    if (clear_one_table(itr.second.get(), request, response, cntl) != 0) {
+    if (ClearOneTable(itr.second.get(), request, response, cntl) != 0) {
       return -1;
     }
   }
   return 0;
 }
 
-int32_t BrpcPsService::stop_server(Table *table,
-                                   const PsRequestMessage &request,
-                                   PsResponseMessage &response,
-                                   brpc::Controller *cntl) {
+int32_t BrpcPsService::StopServer(Table *table, const PsRequestMessage &request,
+                                  PsResponseMessage &response,
+                                  brpc::Controller *cntl) {
   auto *p_server = _server;
   std::thread t_stop([p_server]() {
-    p_server->stop();
+    p_server->Stop();
     VLOG(3) << "Server Stoped";
   });
   t_stop.detach();
   return 0;
 }
 
-int32_t BrpcPsService::stop_profiler(Table *table,
-                                     const PsRequestMessage &request,
-                                     PsResponseMessage &response,
-                                     brpc::Controller *cntl) {
+int32_t BrpcPsService::StopProfiler(Table *table,
+                                    const PsRequestMessage &request,
+                                    PsResponseMessage &response,
+                                    brpc::Controller *cntl) {
   platform::DisableProfiler(platform::EventSortingKey::kDefault,
                             string::Sprintf("server_%s_profile", _rank));
   return 0;
 }
 
-int32_t BrpcPsService::start_profiler(Table *table,
-                                      const PsRequestMessage &request,
-                                      PsResponseMessage &response,
-                                      brpc::Controller *cntl) {
+int32_t BrpcPsService::StartProfiler(Table *table,
+                                     const PsRequestMessage &request,
+                                     PsResponseMessage &response,
+                                     brpc::Controller *cntl) {
   platform::EnableProfiler(platform::ProfilerState::kCPU);
   return 0;
 }
 
-int32_t BrpcPsService::push_global_step(Table *table,
-                                        const PsRequestMessage &request,
-                                        PsResponseMessage &response,
-                                        brpc::Controller *cntl) {
+int32_t BrpcPsService::PushGlobalStep(Table *table,
+                                      const PsRequestMessage &request,
+                                      PsResponseMessage &response,
+                                      brpc::Controller *cntl) {
   CHECK_TABLE_EXIST(table, request, response);
   auto req_buffer_size = request.data().size();
   if (req_buffer_size < 1) {
@@ -629,7 +625,7 @@ int32_t BrpcPsService::push_global_step(Table *table,
   const int64_t *values =
       (const int64_t *)(request.data().data() + sizeof(uint32_t));
   auto trainer_id = request.client_id();
-  if (table->push_dense(values, trainer_id) != 0) {
+  if (table->PushDense(values, trainer_id) != 0) {
     set_response_code(response, -1, "run_program failed");
   }
 

paddle/fluid/distributed/ps/service/brpc_ps_server.h

@@ -41,8 +41,8 @@ class BrpcPsServer : public PSServer {
  public:
   BrpcPsServer() {}
   virtual ~BrpcPsServer() {}
-  virtual uint64_t start(const std::string &ip, uint32_t port);
-  virtual int32_t stop() {
+  virtual uint64_t Start(const std::string &ip, uint32_t port);
+  virtual int32_t Stop() {
     std::unique_lock<std::mutex> lock(mutex_);
     stoped_ = true;
     cv_.notify_all();
@@ -51,10 +51,10 @@ class BrpcPsServer : public PSServer {
     _server.Join();
     return 0;
   }
-  int32_t port();
+  int32_t Port();
 
  private:
-  virtual int32_t initialize();
+  virtual int32_t Initialize();
   mutable std::mutex mutex_;
   std::condition_variable cv_;
   bool stoped_ = false;
@@ -71,7 +71,7 @@ typedef int32_t (BrpcPsService::*serviceHandlerFunc)(
 
 class BrpcPsService : public PsBaseService {
  public:
-  virtual int32_t initialize() override;
+  virtual int32_t Initialize() override;
 
   virtual void service(::google::protobuf::RpcController *controller,
                        const PsRequestMessage *request,
@@ -79,50 +79,49 @@ class BrpcPsService : public PsBaseService {
                        ::google::protobuf::Closure *done) override;
 
  private:
-  int32_t initialize_shard_info();
-  int32_t pull_dense(Table *table, const PsRequestMessage &request,
-                     PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t push_dense(Table *table, const PsRequestMessage &request,
-                     PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t push_dense_param(Table *table, const PsRequestMessage &request,
-                           PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t push_sparse_param(Table *table, const PsRequestMessage &request,
-                            PsResponseMessage &response,
-                            brpc::Controller *cntl);
-  int32_t pull_sparse(Table *table, const PsRequestMessage &request,
-                      PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t pull_geo_param(Table *table, const PsRequestMessage &request,
+  int32_t InitializeShardInfo();
+  int32_t PullDense(Table *table, const PsRequestMessage &request,
+                    PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t PushDense(Table *table, const PsRequestMessage &request,
+                    PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t PushDenseParam(Table *table, const PsRequestMessage &request,
                          PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t barrier(Table *table, const PsRequestMessage &request,
+  int32_t PushSparseParam(Table *table, const PsRequestMessage &request,
+                          PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t PullSparse(Table *table, const PsRequestMessage &request,
+                     PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t PullGeoParam(Table *table, const PsRequestMessage &request,
+                       PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t Barrier(Table *table, const PsRequestMessage &request,
                   PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t push_sparse(Table *table, const PsRequestMessage &request,
-                      PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t load_one_table(Table *table, const PsRequestMessage &request,
-                         PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t load_all_table(Table *table, const PsRequestMessage &request,
-                         PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t save_one_table(Table *table, const PsRequestMessage &request,
-                         PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t save_all_table(Table *table, const PsRequestMessage &request,
-                         PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t shrink_table(Table *table, const PsRequestMessage &request,
+  int32_t PushSparse(Table *table, const PsRequestMessage &request,
+                     PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t LoadOneTable(Table *table, const PsRequestMessage &request,
                        PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t clear_one_table(Table *table, const PsRequestMessage &request,
-                          PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t clear_all_table(Table *table, const PsRequestMessage &request,
-                          PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t stop_server(Table *table, const PsRequestMessage &request,
+  int32_t LoadAllTable(Table *table, const PsRequestMessage &request,
+                       PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t SaveOneTable(Table *table, const PsRequestMessage &request,
+                       PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t SaveAllTable(Table *table, const PsRequestMessage &request,
+                       PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t ShrinkTable(Table *table, const PsRequestMessage &request,
                       PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t start_profiler(Table *table, const PsRequestMessage &request,
-                         PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t stop_profiler(Table *table, const PsRequestMessage &request,
+  int32_t ClearOneTable(Table *table, const PsRequestMessage &request,
                         PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t ClearAllTable(Table *table, const PsRequestMessage &request,
+                        PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t StopServer(Table *table, const PsRequestMessage &request,
+                     PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t StartProfiler(Table *table, const PsRequestMessage &request,
+                        PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t StopProfiler(Table *table, const PsRequestMessage &request,
+                       PsResponseMessage &response, brpc::Controller *cntl);
 
-  int32_t print_table_stat(Table *table, const PsRequestMessage &request,
-                           PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t PrintTableStat(Table *table, const PsRequestMessage &request,
+                         PsResponseMessage &response, brpc::Controller *cntl);
 
-  int32_t push_global_step(Table *table, const PsRequestMessage &request,
-                           PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t PushGlobalStep(Table *table, const PsRequestMessage &request,
+                         PsResponseMessage &response, brpc::Controller *cntl);
 
   bool _is_initialize_shard_info;
   std::mutex _initialize_shard_mutex;

paddle/fluid/distributed/ps/service/communicator/communicator.cc

@@ -39,7 +39,7 @@ inline double GetCurrentUS() {
 
 Communicator::Communicator() {}
 
-void Communicator::init_gflag(const std::string &gflags) {
+void Communicator::InitGFlag(const std::string &gflags) {
   VLOG(3) << "Init With Gflags:" << gflags;
   std::vector<std::string> flags = paddle::string::split_string(gflags);
   if (flags.size() < 1) {
@@ -73,7 +73,7 @@ void Communicator::InitBrpcClient(
 }
 
 std::vector<uint64_t> Communicator::GetClientInfo() {
-  std::vector<uint64_t> res = _ps_env.get_client_info();
+  std::vector<uint64_t> res = _ps_env.GetClientInfo();
   for (auto rr : res) {
     VLOG(2) << "Communicator::GetClientInfo " << rr;
   }
@@ -82,7 +82,7 @@ std::vector<uint64_t> Communicator::GetClientInfo() {
 
 int Communicator::SetClients(std::vector<uint64_t> &host_sign_list) {
   int node = host_sign_list.size();
-  return _ps_env.set_ps_clients(host_sign_list.data(), node);
+  return _ps_env.SetPsClients(host_sign_list.data(), node);
 }
 
 void Communicator::RpcRecvDense(const std::vector<std::string> &varnames,
@@ -114,7 +114,7 @@ void Communicator::RpcRecvDense(const std::vector<std::string> &varnames,
     }
   }
   auto status =
-      _worker_ptr->pull_dense(regions.data(), regions.size(), table_id);
+      _worker_ptr->PullDense(regions.data(), regions.size(), table_id);
   status.wait();
 
   for (auto &t : varnames) {
@@ -177,7 +177,7 @@ void Communicator::RpcSendDenseParam(const std::vector<std::string> &varnames,
     }
   }
   auto status =
-      _worker_ptr->push_dense_param(regions.data(), regions.size(), table_id);
+      _worker_ptr->PushDenseParam(regions.data(), regions.size(), table_id);
   status.wait();
   VLOG(4) << "RPC Send Dense Param " << table_id << " done!";
   return;
@@ -190,9 +190,9 @@ void Communicator::RpcSendDense(const CommContext &ctx, const Scope &scope) {
   auto &var_names = ctx.origin_varnames;
   auto &table_id = ctx.table_id;
   auto dense_data = std::make_shared<std::vector<float>>();
-  size_t request_call_num = _worker_ptr->get_server_nums();
+  size_t request_call_num = _worker_ptr->GetServerNums();
   uint32_t num_per_shard =
-      dense_dim_per_shard(ctx.height_sections[0], request_call_num);
+      DenseDimPerShard(ctx.height_sections[0], request_call_num);
   dense_data->resize(num_per_shard *
                      request_call_num);  // accessor->update_dim() = 1
   float *data = dense_data->data();
@@ -222,8 +222,8 @@ void Communicator::RpcSendDense(const CommContext &ctx, const Scope &scope) {
         closure->set_promise_value(ret);
         --_async_call_num;
       });
-  auto status = _worker_ptr->push_dense_raw_gradient(
-      table_id, data, dense_data->size(), closure);
+  auto status = _worker_ptr->PushDenseRawGradient(table_id, data,
+                                                  dense_data->size(), closure);
   status.wait();
   return;
 }
@@ -233,7 +233,7 @@ void Communicator::RpcSendSparseParam(const std::string &varname, int table_id,
   platform::RecordEvent record_event("Communicator->RpcSendSparseParam",
                                      platform::TracerEventType::Communication,
                                      1);
-  size_t request_call_num = _worker_ptr->get_server_nums();
+  size_t request_call_num = _worker_ptr->GetServerNums();
   std::vector<float *> push_g_vec;
 
   auto *send_var = scope.FindVar(varname);
@@ -260,9 +260,9 @@ void Communicator::RpcSendSparseParam(const std::string &varname, int table_id,
         }
         closure->set_promise_value(ret);
       });
-  auto status = _worker_ptr->push_sparse_param(
-      table_id, sparse_push_keys.data(), (const float **)push_g_vec.data(),
-      sparse_push_keys.size(), closure);
+  auto status = _worker_ptr->PushSparseParam(table_id, sparse_push_keys.data(),
+                                             (const float **)push_g_vec.data(),
+                                             sparse_push_keys.size(), closure);
   status.wait();
   return;
 }
@@ -272,7 +272,7 @@ void Communicator::RpcSendSparse(const std::string &var_name, int table_id,
   platform::RecordEvent record_event("Communicator->RpcSendSparse",
                                      platform::TracerEventType::Communication,
                                      1);
-  size_t request_call_num = _worker_ptr->get_server_nums();
+  size_t request_call_num = _worker_ptr->GetServerNums();
   std::vector<uint64_t> sparse_push_keys;
   std::vector<float *> push_g_vec;
 
@@ -313,7 +313,7 @@ void Communicator::RpcSendSparse(const std::string &var_name, int table_id,
         closure->set_promise_value(ret);
         --_async_call_num;
       });
-  auto status = _worker_ptr->push_sparse_raw_gradient(
+  auto status = _worker_ptr->PushSparseRawGradient(
       table_id, sparse_push_keys.data(), (const float **)push_g_vec.data(),
       sparse_push_keys.size(), closure);
   status.wait();
@@ -340,7 +340,7 @@ void Communicator::RpcRecvSparse(const std::string &varname, int table_id,
 
   bool training = true;
 
-  auto status = _worker_ptr->pull_sparse_param(
+  auto status = _worker_ptr->PullSparseParam(
       (float **)push_g_vec.data(), table_id,  // NOLINT
       sparse_push_keys.data(), sparse_push_keys.size(), training);
   status.wait();
@@ -376,11 +376,11 @@ void Communicator::RpcProfilerControl() {
     if (!do_server_profiler_ && platform::IsProfileEnabled()) {
       // send profiler start flag
       do_server_profiler_ = true;
-      auto start_status = _worker_ptr->start_profiler();
+      auto start_status = _worker_ptr->StartProfiler();
       start_status.wait();
     } else if (do_server_profiler_ && !platform::IsProfileEnabled()) {
       // send profiler end flag
-      auto stop_status = _worker_ptr->stop_profiler();
+      auto stop_status = _worker_ptr->StopProfiler();
       stop_status.wait();
       do_server_profiler_ = false;
     }
@@ -396,7 +396,7 @@ void Communicator::SendGlobalStep(const CommContext &ctx, int batches,
                                      platform::TracerEventType::Communication,
                                      1);
   auto &table_id = ctx.table_id;
-  size_t request_call_num = _worker_ptr->get_server_nums();
+  size_t request_call_num = _worker_ptr->GetServerNums();
 
   auto &var_name = STEP_COUNTER;
   auto *out_var = send_scope->Var(var_name);
@@ -416,7 +416,7 @@ void Communicator::SendGlobalStep(const CommContext &ctx, int batches,
         }
         closure->set_promise_value(ret);
       });
-  auto status = _worker_ptr->push_global_step(table_id, data, closure);
+  auto status = _worker_ptr->PushGlobalStep(table_id, data, closure);
   status.wait();
   return;
 }
@@ -605,8 +605,8 @@ void AsyncCommunicator::PullSparseToTensorSync(
     }
   }
   auto status =
-      _worker_ptr->pull_sparse(pull_result_ptr.data(), table_id,
-                               fea_keys.data(), fea_keys.size(), is_training);
+      _worker_ptr->PullSparse(pull_result_ptr.data(), table_id, fea_keys.data(),
+                              fea_keys.size(), is_training);
   status.wait();
   auto ret = status.get();
   if (ret != 0) {
@@ -738,9 +738,9 @@ void AsyncCommunicator::PushSparseFromTensorAsync(
       this->Check(table_id), true,
       platform::errors::InvalidArgument(
           "can not find table: %s, please check your config", table_id));
-  auto status = _worker_ptr->push_sparse(table_id, push_keys.data(),
-                                         (const float **)push_g_vec.data(),
-                                         push_keys.size());
+  auto status = _worker_ptr->PushSparse(table_id, push_keys.data(),
+                                        (const float **)push_g_vec.data(),
+                                        push_keys.size());
 }
 
 void HalfAsyncCommunicator::MainThread() {
@@ -813,7 +813,7 @@ void AsyncCommunicator::Stop() {
   if (!communicator_) {
     VLOG(0) << "Communicator is not inited, do nothing";
   } else {
-    // _worker_ptr->finalize_worker();
+    // _worker_ptr->FinalizeWorker();
     VLOG(1) << "client finalize_worker done";
     if (recv_thread_) {
       VLOG(1) << "stop recv thread";
@@ -1327,7 +1327,7 @@ void GeoCommunicator::SendSparse(const std::string &varname,
     closure->set_promise_value(ret);
     --_async_call_num;
   });
-  auto status = _worker_ptr->push_sparse_raw_gradient_partial(
+  auto status = _worker_ptr->PushSparseRawGradientPartial(
       table_id, (const uint64_t *)sparse_ids.data(),
       (const float **)push_g_vec.data(), sparse_ids.size(), closure, ep_idx);
   status.wait();
@@ -1345,7 +1345,7 @@ void GeoCommunicator::RecvSparse(const std::string &varname, int table_id,
   // 1. recv from pserver
   std::vector<uint64_t> keys;
   std::vector<float> values;
-  auto status = _worker_ptr->pull_geo_param(table_id, &values, &keys, ep_idx);
+  auto status = _worker_ptr->PullGeoParam(table_id, &values, &keys, ep_idx);
   status.wait();
 
   std::string param = SplitedGradToParam(varname);

paddle/fluid/distributed/ps/service/communicator/communicator.h

@@ -299,7 +299,7 @@ class Communicator {
   virtual void Barrier() {}
 
   virtual void BarrierWithTable(uint32_t barrier_type) {
-    auto rets = _worker_ptr->barrier(barrier_table_id_, barrier_type);
+    auto rets = _worker_ptr->Barrier(barrier_table_id_, barrier_type);
     rets.wait();
     int status = rets.get();
     PADDLE_ENFORCE_EQ(status, 0,
@@ -310,7 +310,7 @@ class Communicator {
   virtual void CreateC2CConnection(int pserver_timeout_ms,
                                    int pserver_connect_timeout_ms,
                                    int max_retry) {
-    _worker_ptr->create_client2client_connection(
+    _worker_ptr->CreateClient2ClientConnection(
         pserver_timeout_ms, pserver_connect_timeout_ms, max_retry);
   }
 
@@ -379,12 +379,12 @@ class Communicator {
   std::unordered_map<std::string, std::string> envs;
 
   // 计算每个shard 对 dense的存储量
-  inline uint32_t dense_dim_per_shard(uint32_t dense_dim_total,
-                                      uint32_t shard_num) {
+  inline uint32_t DenseDimPerShard(uint32_t dense_dim_total,
+                                   uint32_t shard_num) {
     return dense_dim_total / shard_num + 1;
   }
 
-  void init_gflag(const std::string &gflags);
+  void InitGFlag(const std::string &gflags);
   paddle::distributed::PSParameter _ps_param;
   paddle::distributed::PaddlePSEnvironment _ps_env;
   int servers_ = 0;

paddle/fluid/distributed/ps/service/env.h

@@ -40,7 +40,7 @@ struct PSHost {
   // |---ip---|---port---|--rank--|
   // |-32bit--|--20bit---|--12bit-|
 
-  uint64_t serialize_to_uint64() {
+  uint64_t SerializeToUint64() {
     uint64_t host_label = 0;
     host_label = inet_addr(ip.c_str());
     host_label = host_label << 32;
@@ -49,7 +49,7 @@ struct PSHost {
     return host_label;
   }
 
-  void parse_from_uint64(uint64_t host_label) {
+  void ParseFromUint64(uint64_t host_label) {
     static uint64_t rank_label_mask = (1L << 12) - 1;
     static uint64_t port_label_mask = (1L << 20) - 1;
     rank = host_label & rank_label_mask;
@@ -58,17 +58,17 @@ struct PSHost {
     ip = inet_ntoa(*(in_addr *)&ip_addr);  // NOLINT
   }
 
-  std::string to_string() {
+  std::string ToString() {
     std::stringstream s;
     s << "host: " << ip;
     s << " port: " << port;
     s << " rank: " << rank;
-    s << " uint: " << serialize_to_uint64();
+    s << " uint: " << SerializeToUint64();
     return s.str();
   }
 
   // for open source parameter server
-  std::string serialize_to_string() {
+  std::string SerializeToString() {
     std::stringstream s;
     s << ip << ":";
     s << port << ":";
@@ -76,16 +76,16 @@ struct PSHost {
     return s.str();
   }
 
-  void parse_from_string(std::string endpoint) {
+  void ParseFromString(std::string endpoint) {
     std::vector<std::string> endpoint_info;
-    string_split(endpoint, ':', &endpoint_info);
+    StringSplit(endpoint, ':', &endpoint_info);
     ip = endpoint_info[0];
     port = std::stoi(endpoint_info[1]);
     rank = std::stoi(endpoint_info[2]);
   }
 
-  void string_split(const std::string &str, char sep,
-                    std::vector<std::string> *pieces, bool ignore_null = true) {
+  void StringSplit(const std::string &str, char sep,
+                   std::vector<std::string> *pieces, bool ignore_null = true) {
     pieces->clear();
     if (str.empty()) {
       if (!ignore_null) {
@@ -111,63 +111,60 @@ class PSEnvironment {
   explicit PSEnvironment() {}  // NOLINT
   virtual ~PSEnvironment() {}
 
-  virtual int32_t set_ps_servers(uint64_t *host_sign_list, int node_num) {
+  virtual int32_t SetPsServers(uint64_t *host_sign_list, int node_num) {
     return 0;
   }
-  virtual int32_t set_ps_servers(
+  virtual int32_t SetPsServers(
       const std::vector<std::string> *host_endpoint_list, int node_num) {
     return 0;
   }
 
-  virtual int32_t set_ps_clients(uint64_t *host_sign_list, int node_num) {
+  virtual int32_t SetPsClients(uint64_t *host_sign_list, int node_num) {
     return 0;
   }
 
-  virtual int32_t set_ps_clients(std::string *host_endpoint_list,
-                                 int node_num) {
+  virtual int32_t SetPsClients(std::string *host_endpoint_list, int node_num) {
     return 0;
   }
-  virtual uint64_t get_local_host_sign() { return 0; }
-  virtual std::vector<PSHost> get_ps_servers() const { return _ps_server_list; }
-  virtual int32_t registe_ps_server(const std::string &ip, uint32_t port,
-                                    int32_t rank) {
-    return registe_ps_host(ip, port, rank, _ps_server_list,
-                           _ps_server_sign_set);
+  virtual uint64_t GetLocalHostSign() { return 0; }
+  virtual std::vector<PSHost> GetPsServers() const { return _ps_server_list; }
+  virtual int32_t RegistePsServer(const std::string &ip, uint32_t port,
+                                  int32_t rank) {
+    return RegistePsHost(ip, port, rank, _ps_server_list, _ps_server_sign_set);
   }
 
-  virtual std::vector<PSHost> get_ps_clients() const { return _ps_client_list; }
-  virtual int32_t registe_ps_client(const std::string &ip, uint32_t port,
-                                    int32_t rank) {
-    return registe_ps_host(ip, port, rank, _ps_client_list,
-                           _ps_client_sign_set);
+  virtual std::vector<PSHost> GetPsClients() const { return _ps_client_list; }
+  virtual int32_t RegistePsClient(const std::string &ip, uint32_t port,
+                                  int32_t rank) {
+    return RegistePsHost(ip, port, rank, _ps_client_list, _ps_client_sign_set);
   }
 
-  virtual std::vector<uint64_t> get_client_info() {
+  virtual std::vector<uint64_t> GetClientInfo() {
     std::vector<uint64_t> client_info;
     for (auto &i : _ps_client_list) {
-      client_info.push_back(i.serialize_to_uint64());
+      client_info.push_back(i.SerializeToUint64());
     }
     return client_info;
   }
 
-  virtual std::vector<std::string> get_client_info(bool use_string_endpoint) {
+  virtual std::vector<std::string> GetClientInfo(bool use_string_endpoint) {
     if (use_string_endpoint) {
       std::vector<std::string> client_info;
       for (auto &i : _ps_client_list) {
-        client_info.push_back(i.serialize_to_string());
+        client_info.push_back(i.SerializeToString());
       }
       return client_info;
     }
     return {};
   }
 
-  virtual void set_trainers(int trainers) { trainers_ = trainers; }
+  virtual void SetTrainers(int trainers) { trainers_ = trainers; }
 
-  virtual int get_trainers() { return trainers_; }
+  virtual int GetTrainers() { return trainers_; }
 
  protected:
   //注册一个host //  NOLINT
-  virtual int32_t registe_ps_host(
+  virtual int32_t RegistePsHost(
       const std::string &ip, uint32_t port, int32_t rank,
       std::vector<PSHost> &host_list,            // NOLINT
       std::unordered_set<uint64_t> &sign_set) {  // NOLINT
@@ -198,15 +195,15 @@ class PaddlePSEnvironment : public PSEnvironment {
   explicit PaddlePSEnvironment() {}  // NOLINT
   virtual ~PaddlePSEnvironment() {}
 
-  virtual int32_t set_ps_servers(uint64_t *host_sign_list, int node_num) {
+  virtual int32_t SetPsServers(uint64_t *host_sign_list, int node_num) {
     _ps_server_list.clear();
     _ps_server_sign_set.clear();
     for (int i = 0; i < node_num; ++i) {
       if (host_sign_list[i] > 0) {
         PSHost host;
-        host.parse_from_uint64(host_sign_list[i]);
+        host.ParseFromUint64(host_sign_list[i]);
         _ps_server_list.push_back(host);
-        _ps_server_sign_set.insert(host.serialize_to_uint64());
+        _ps_server_sign_set.insert(host.SerializeToUint64());
       }
     }
     std::sort(
@@ -215,14 +212,14 @@ class PaddlePSEnvironment : public PSEnvironment {
     return 0;
   }
 
-  virtual int32_t set_ps_servers(const std::vector<std::string> *host_sign_list,
-                                 int node_num) {
+  virtual int32_t SetPsServers(const std::vector<std::string> *host_sign_list,
+                               int node_num) {
     _ps_server_list.clear();
     _ps_server_sign_set.clear();
     for (int i = 0; i < node_num; ++i) {
       if (host_sign_list->at(i) != "") {
         PSHost host;
-        host.parse_from_string(host_sign_list->at(i));
+        host.ParseFromString(host_sign_list->at(i));
         _ps_server_list.push_back(host);
         _ps_server_sign_set.insert(host.rank);
       }
@@ -233,15 +230,15 @@ class PaddlePSEnvironment : public PSEnvironment {
     return 0;
   }
 
-  virtual int32_t set_ps_clients(uint64_t *host_sign_list, int node_num) {
+  virtual int32_t SetPsClients(uint64_t *host_sign_list, int node_num) {
     _ps_client_list.clear();
     _ps_client_sign_set.clear();
     for (int i = 0; i < node_num; ++i) {
       if (host_sign_list[i] > 0) {
         PSHost host;
-        host.parse_from_uint64(host_sign_list[i]);
+        host.ParseFromUint64(host_sign_list[i]);
         _ps_client_list.push_back(host);
-        _ps_client_sign_set.insert(host.serialize_to_uint64());
+        _ps_client_sign_set.insert(host.SerializeToUint64());
       }
     }
     std::sort(
@@ -250,14 +247,14 @@ class PaddlePSEnvironment : public PSEnvironment {
     return 0;
   }
 
-  virtual int32_t set_ps_clients(const std::vector<std::string> *host_sign_list,
-                                 int node_num) {
+  virtual int32_t SetPsClients(const std::vector<std::string> *host_sign_list,
+                               int node_num) {
     _ps_client_list.clear();
     _ps_client_sign_set.clear();
     for (int i = 0; i < node_num; ++i) {
       if (host_sign_list->at(i) != "") {
         PSHost host;
-        host.parse_from_string(host_sign_list->at(i));
+        host.ParseFromString(host_sign_list->at(i));
         _ps_client_list.push_back(host);
         _ps_client_sign_set.insert(host.rank);
       }
@@ -269,9 +266,9 @@ class PaddlePSEnvironment : public PSEnvironment {
     return 0;
   }
 
-  virtual uint64_t get_local_host_sign() {
+  virtual uint64_t GetLocalHostSign() {
     if (_ps_client_list.size() > 0) {
-      return _ps_client_list[0].serialize_to_uint64();
+      return _ps_client_list[0].SerializeToUint64();
     } else {
       return 0;
     }

paddle/fluid/distributed/ps/service/graph_brpc_client.cc

@@ -135,8 +135,7 @@ std::future<int32_t> GraphBrpcClient::get_node_feat(
     closure->request(request_idx)
         ->add_params(joint_feature_name.c_str(), joint_feature_name.size());
 
-    GraphPsService_Stub rpc_stub =
-        getServiceStub(get_cmd_channel(server_index));
+    GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
     closure->cntl(request_idx)->set_log_id(butil::gettimeofday_ms());
     rpc_stub.service(closure->cntl(request_idx), closure->request(request_idx),
                      closure->response(request_idx), closure);
@@ -169,8 +168,7 @@ std::future<int32_t> GraphBrpcClient::clear_nodes(uint32_t table_id) {
     closure->request(server_index)->set_table_id(table_id);
     closure->request(server_index)->set_client_id(_client_id);
 
-    GraphPsService_Stub rpc_stub =
-        getServiceStub(get_cmd_channel(server_index));
+    GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
     closure->cntl(server_index)->set_log_id(butil::gettimeofday_ms());
     rpc_stub.service(closure->cntl(server_index),
                      closure->request(server_index),
@@ -238,9 +236,8 @@ std::future<int32_t> GraphBrpcClient::add_graph_node(
           ->add_params((char *)weighted,
                        sizeof(bool) * is_weighted_bucket[request_idx].size());
     }
-    // PsService_Stub rpc_stub(get_cmd_channel(server_index));
-    GraphPsService_Stub rpc_stub =
-        getServiceStub(get_cmd_channel(server_index));
+    // PsService_Stub rpc_stub(GetCmdChannel(server_index));
+    GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
     closure->cntl(request_idx)->set_log_id(butil::gettimeofday_ms());
     rpc_stub.service(closure->cntl(request_idx), closure->request(request_idx),
                      closure->response(request_idx), closure);
@@ -292,9 +289,8 @@ std::future<int32_t> GraphBrpcClient::remove_graph_node(
     closure->request(request_idx)
         ->add_params((char *)request_bucket[request_idx].data(),
                      sizeof(int64_t) * node_num);
-    // PsService_Stub rpc_stub(get_cmd_channel(server_index));
-    GraphPsService_Stub rpc_stub =
-        getServiceStub(get_cmd_channel(server_index));
+    // PsService_Stub rpc_stub(GetCmdChannel(server_index));
+    GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
     closure->cntl(request_idx)->set_log_id(butil::gettimeofday_ms());
     rpc_stub.service(closure->cntl(request_idx), closure->request(request_idx),
                      closure->response(request_idx), closure);
@@ -362,9 +358,8 @@ std::future<int32_t> GraphBrpcClient::batch_sample_neighbors(
     closure->request(0)->add_params((char *)&sample_size, sizeof(int));
     closure->request(0)->add_params((char *)&need_weight, sizeof(bool));
     ;
-    // PsService_Stub rpc_stub(get_cmd_channel(server_index));
-    GraphPsService_Stub rpc_stub =
-        getServiceStub(get_cmd_channel(server_index));
+    // PsService_Stub rpc_stub(GetCmdChannel(server_index));
+    GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
     closure->cntl(0)->set_log_id(butil::gettimeofday_ms());
     rpc_stub.service(closure->cntl(0), closure->request(0),
                      closure->response(0), closure);
@@ -464,9 +459,8 @@ std::future<int32_t> GraphBrpcClient::batch_sample_neighbors(
         ->add_params((char *)&sample_size, sizeof(int));
     closure->request(request_idx)
         ->add_params((char *)&need_weight, sizeof(bool));
-    // PsService_Stub rpc_stub(get_cmd_channel(server_index));
-    GraphPsService_Stub rpc_stub =
-        getServiceStub(get_cmd_channel(server_index));
+    // PsService_Stub rpc_stub(GetCmdChannel(server_index));
+    GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
     closure->cntl(request_idx)->set_log_id(butil::gettimeofday_ms());
     rpc_stub.service(closure->cntl(request_idx), closure->request(request_idx),
                      closure->response(request_idx), closure);
@@ -506,8 +500,8 @@ std::future<int32_t> GraphBrpcClient::random_sample_nodes(
   closure->request(0)->set_client_id(_client_id);
   closure->request(0)->add_params((char *)&sample_size, sizeof(int));
   ;
-  // PsService_Stub rpc_stub(get_cmd_channel(server_index));
-  GraphPsService_Stub rpc_stub = getServiceStub(get_cmd_channel(server_index));
+  // PsService_Stub rpc_stub(GetCmdChannel(server_index));
+  GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
   closure->cntl(0)->set_log_id(butil::gettimeofday_ms());
   rpc_stub.service(closure->cntl(0), closure->request(0), closure->response(0),
                    closure);
@@ -541,8 +535,7 @@ std::future<int32_t> GraphBrpcClient::load_graph_split_config(
     closure->request(server_index)->set_table_id(table_id);
     closure->request(server_index)->set_client_id(_client_id);
     closure->request(server_index)->add_params(path);
-    GraphPsService_Stub rpc_stub =
-        getServiceStub(get_cmd_channel(server_index));
+    GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
     closure->cntl(server_index)->set_log_id(butil::gettimeofday_ms());
     rpc_stub.service(closure->cntl(server_index),
                      closure->request(server_index),
@@ -581,8 +574,7 @@ std::future<int32_t> GraphBrpcClient::use_neighbors_sample_cache(
     closure->request(server_index)
         ->add_params((char *)&size_limit, sizeof(size_t));
     closure->request(server_index)->add_params((char *)&ttl, sizeof(size_t));
-    GraphPsService_Stub rpc_stub =
-        getServiceStub(get_cmd_channel(server_index));
+    GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
     closure->cntl(server_index)->set_log_id(butil::gettimeofday_ms());
     rpc_stub.service(closure->cntl(server_index),
                      closure->request(server_index),
@@ -624,8 +616,8 @@ std::future<int32_t> GraphBrpcClient::pull_graph_list(
   closure->request(0)->add_params((char *)&start, sizeof(int));
   closure->request(0)->add_params((char *)&size, sizeof(int));
   closure->request(0)->add_params((char *)&step, sizeof(int));
-  // PsService_Stub rpc_stub(get_cmd_channel(server_index));
-  GraphPsService_Stub rpc_stub = getServiceStub(get_cmd_channel(server_index));
+  // PsService_Stub rpc_stub(GetCmdChannel(server_index));
+  GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
   closure->cntl(0)->set_log_id(butil::gettimeofday_ms());
   rpc_stub.service(closure->cntl(0), closure->request(0), closure->response(0),
                    closure);
@@ -717,8 +709,7 @@ std::future<int32_t> GraphBrpcClient::set_node_feat(
     closure->request(request_idx)
         ->add_params(set_feature.c_str(), set_feature.size());
 
-    GraphPsService_Stub rpc_stub =
-        getServiceStub(get_cmd_channel(server_index));
+    GraphPsService_Stub rpc_stub = getServiceStub(GetCmdChannel(server_index));
     closure->cntl(request_idx)->set_log_id(butil::gettimeofday_ms());
     rpc_stub.service(closure->cntl(request_idx), closure->request(request_idx),
                      closure->response(request_idx), closure);
@@ -727,10 +718,10 @@ std::future<int32_t> GraphBrpcClient::set_node_feat(
   return fut;
 }
 
-int32_t GraphBrpcClient::initialize() {
+int32_t GraphBrpcClient::Initialize() {
   // set_shard_num(_config.shard_num());
-  BrpcPsClient::initialize();
-  server_size = get_server_nums();
+  BrpcPsClient::Initialize();
+  server_size = GetServerNums();
   graph_service = NULL;
   local_channel = NULL;
   return 0;

paddle/fluid/distributed/ps/service/graph_brpc_client.h

@@ -97,12 +97,12 @@ class GraphBrpcClient : public BrpcPsClient {
                                                        std::string path);
   virtual std::future<int32_t> remove_graph_node(
       uint32_t table_id, std::vector<int64_t>& node_id_list);
-  virtual int32_t initialize();
+  virtual int32_t Initialize();
   int get_shard_num() { return shard_num; }
   void set_shard_num(int shard_num) { this->shard_num = shard_num; }
   int get_server_index_by_id(int64_t id);
   void set_local_channel(int index) {
-    this->local_channel = get_cmd_channel(index);
+    this->local_channel = GetCmdChannel(index);
   }
   void set_local_graph_service(GraphBrpcService* graph_service) {
     this->graph_service = graph_service;

paddle/fluid/distributed/ps/service/graph_brpc_server.cc

@@ -33,7 +33,7 @@ namespace distributed {
     return -1;                                             \
   }
 
-int32_t GraphBrpcServer::initialize() {
+int32_t GraphBrpcServer::Initialize() {
   auto &service_config = _config.downpour_server_param().service_param();
   if (!service_config.has_service_class()) {
     LOG(ERROR) << "miss service_class in ServerServiceParameter";
@@ -48,7 +48,7 @@ int32_t GraphBrpcServer::initialize() {
   }
 
   _service.reset(service);
-  if (service->configure(this) != 0 || service->initialize() != 0) {
+  if (service->Configure(this) != 0 || service->Initialize() != 0) {
     LOG(ERROR) << "service initialize failed, service_name:"
                << service_config.service_class();
     return -1;
@@ -61,11 +61,11 @@ int32_t GraphBrpcServer::initialize() {
   return 0;
 }
 
-brpc::Channel *GraphBrpcServer::get_cmd_channel(size_t server_index) {
+brpc::Channel *GraphBrpcServer::GetCmdChannel(size_t server_index) {
   return _pserver_channels[server_index].get();
 }
 
-uint64_t GraphBrpcServer::start(const std::string &ip, uint32_t port) {
+uint64_t GraphBrpcServer::Start(const std::string &ip, uint32_t port) {
   std::unique_lock<std::mutex> lock(mutex_);
 
   std::string ip_port = ip + ":" + std::to_string(port);
@@ -73,20 +73,20 @@ uint64_t GraphBrpcServer::start(const std::string &ip, uint32_t port) {
   brpc::ServerOptions options;
 
   int num_threads = std::thread::hardware_concurrency();
-  auto trainers = _environment->get_trainers();
+  auto trainers = _environment->GetTrainers();
   options.num_threads = trainers > num_threads ? trainers : num_threads;
 
   if (_server.Start(ip_port.c_str(), &options) != 0) {
     LOG(ERROR) << "GraphBrpcServer start failed, ip_port=" << ip_port;
     return 0;
   }
-  _environment->registe_ps_server(ip, port, _rank);
+  _environment->RegistePsServer(ip, port, _rank);
   return 0;
 }
 
 int32_t GraphBrpcServer::build_peer2peer_connection(int rank) {
   this->rank = rank;
-  auto _env = environment();
+  auto _env = Environment();
   brpc::ChannelOptions options;
   options.protocol = "baidu_std";
   options.timeout_ms = 500000;
@@ -94,7 +94,7 @@ int32_t GraphBrpcServer::build_peer2peer_connection(int rank) {
   options.connect_timeout_ms = 10000;
   options.max_retry = 3;
 
-  std::vector<PSHost> server_list = _env->get_ps_servers();
+  std::vector<PSHost> server_list = _env->GetPsServers();
   _pserver_channels.resize(server_list.size());
   std::ostringstream os;
   std::string server_ip_port;
@@ -172,19 +172,18 @@ int32_t GraphBrpcService::remove_graph_node(Table *table,
   ((GraphTable *)table)->remove_graph_node(node_ids);
   return 0;
 }
-int32_t GraphBrpcServer::port() { return _server.listen_address().port; }
+int32_t GraphBrpcServer::Port() { return _server.listen_address().port; }
 
-int32_t GraphBrpcService::initialize() {
+int32_t GraphBrpcService::Initialize() {
   _is_initialize_shard_info = false;
-  _service_handler_map[PS_STOP_SERVER] = &GraphBrpcService::stop_server;
-  _service_handler_map[PS_LOAD_ONE_TABLE] = &GraphBrpcService::load_one_table;
-  _service_handler_map[PS_LOAD_ALL_TABLE] = &GraphBrpcService::load_all_table;
+  _service_handler_map[PS_STOP_SERVER] = &GraphBrpcService::StopServer;
+  _service_handler_map[PS_LOAD_ONE_TABLE] = &GraphBrpcService::LoadOneTable;
+  _service_handler_map[PS_LOAD_ALL_TABLE] = &GraphBrpcService::LoadAllTable;
 
-  _service_handler_map[PS_PRINT_TABLE_STAT] =
-      &GraphBrpcService::print_table_stat;
-  _service_handler_map[PS_BARRIER] = &GraphBrpcService::barrier;
-  _service_handler_map[PS_START_PROFILER] = &GraphBrpcService::start_profiler;
-  _service_handler_map[PS_STOP_PROFILER] = &GraphBrpcService::stop_profiler;
+  _service_handler_map[PS_PRINT_TABLE_STAT] = &GraphBrpcService::PrintTableStat;
+  _service_handler_map[PS_BARRIER] = &GraphBrpcService::Barrier;
+  _service_handler_map[PS_START_PROFILER] = &GraphBrpcService::StartProfiler;
+  _service_handler_map[PS_STOP_PROFILER] = &GraphBrpcService::StopProfiler;
 
   _service_handler_map[PS_PULL_GRAPH_LIST] = &GraphBrpcService::pull_graph_list;
   _service_handler_map[PS_GRAPH_SAMPLE_NEIGHBORS] =
@@ -207,21 +206,21 @@ int32_t GraphBrpcService::initialize() {
   _service_handler_map[PS_GRAPH_LOAD_GRAPH_SPLIT_CONFIG] =
       &GraphBrpcService::load_graph_split_config;
   // shard初始化,server启动后才可从env获取到server_list的shard信息
-  initialize_shard_info();
+  InitializeShardInfo();
 
   return 0;
 }
 
-int32_t GraphBrpcService::initialize_shard_info() {
+int32_t GraphBrpcService::InitializeShardInfo() {
   if (!_is_initialize_shard_info) {
     std::lock_guard<std::mutex> guard(_initialize_shard_mutex);
     if (_is_initialize_shard_info) {
       return 0;
     }
-    server_size = _server->environment()->get_ps_servers().size();
-    auto &table_map = *(_server->table());
+    server_size = _server->Environment()->GetPsServers().size();
+    auto &table_map = *(_server->GetTable());
     for (auto itr : table_map) {
-      itr.second->set_shard(_rank, server_size);
+      itr.second->SetShard(_rank, server_size);
     }
     _is_initialize_shard_info = true;
   }
@@ -241,7 +240,7 @@ void GraphBrpcService::service(google::protobuf::RpcController *cntl_base,
 
   response->set_err_code(0);
   response->set_err_msg("");
-  auto *table = _server->table(request->table_id());
+  auto *table = _server->GetTable(request->table_id());
   brpc::Controller *cntl = static_cast<brpc::Controller *>(cntl_base);
   auto itr = _service_handler_map.find(request->cmd_id());
   if (itr == _service_handler_map.end()) {
@@ -261,7 +260,7 @@ void GraphBrpcService::service(google::protobuf::RpcController *cntl_base,
   }
 }
 
-int32_t GraphBrpcService::barrier(Table *table, const PsRequestMessage &request,
+int32_t GraphBrpcService::Barrier(Table *table, const PsRequestMessage &request,
                                   PsResponseMessage &response,
                                   brpc::Controller *cntl) {
   CHECK_TABLE_EXIST(table, request, response)
@@ -275,16 +274,16 @@ int32_t GraphBrpcService::barrier(Table *table, const PsRequestMessage &request,
 
   auto trainer_id = request.client_id();
   auto barrier_type = request.params(0);
-  table->barrier(trainer_id, barrier_type);
+  table->Barrier(trainer_id, barrier_type);
   return 0;
 }
 
-int32_t GraphBrpcService::print_table_stat(Table *table,
-                                           const PsRequestMessage &request,
-                                           PsResponseMessage &response,
-                                           brpc::Controller *cntl) {
+int32_t GraphBrpcService::PrintTableStat(Table *table,
+                                         const PsRequestMessage &request,
+                                         PsResponseMessage &response,
+                                         brpc::Controller *cntl) {
   CHECK_TABLE_EXIST(table, request, response)
-  std::pair<int64_t, int64_t> ret = table->print_table_stat();
+  std::pair<int64_t, int64_t> ret = table->PrintTableStat();
   paddle::framework::BinaryArchive ar;
   ar << ret.first << ret.second;
   std::string table_info(ar.Buffer(), ar.Length());
@@ -293,10 +292,10 @@ int32_t GraphBrpcService::print_table_stat(Table *table,
   return 0;
 }
 
-int32_t GraphBrpcService::load_one_table(Table *table,
-                                         const PsRequestMessage &request,
-                                         PsResponseMessage &response,
-                                         brpc::Controller *cntl) {
+int32_t GraphBrpcService::LoadOneTable(Table *table,
+                                       const PsRequestMessage &request,
+                                       PsResponseMessage &response,
+                                       brpc::Controller *cntl) {
   CHECK_TABLE_EXIST(table, request, response)
   if (request.params_size() < 2) {
     set_response_code(
@@ -304,20 +303,20 @@ int32_t GraphBrpcService::load_one_table(Table *table,
         "PsRequestMessage.datas is requeired at least 2 for path & load_param");
     return -1;
   }
-  if (table->load(request.params(0), request.params(1)) != 0) {
+  if (table->Load(request.params(0), request.params(1)) != 0) {
     set_response_code(response, -1, "table load failed");
     return -1;
   }
   return 0;
 }
 
-int32_t GraphBrpcService::load_all_table(Table *table,
-                                         const PsRequestMessage &request,
-                                         PsResponseMessage &response,
-                                         brpc::Controller *cntl) {
-  auto &table_map = *(_server->table());
+int32_t GraphBrpcService::LoadAllTable(Table *table,
+                                       const PsRequestMessage &request,
+                                       PsResponseMessage &response,
+                                       brpc::Controller *cntl) {
+  auto &table_map = *(_server->GetTable());
   for (auto &itr : table_map) {
-    if (load_one_table(itr.second.get(), request, response, cntl) != 0) {
+    if (LoadOneTable(itr.second.get(), request, response, cntl) != 0) {
       LOG(ERROR) << "load table[" << itr.first << "] failed";
       return -1;
     }
@@ -325,13 +324,13 @@ int32_t GraphBrpcService::load_all_table(Table *table,
   return 0;
 }
 
-int32_t GraphBrpcService::stop_server(Table *table,
-                                      const PsRequestMessage &request,
-                                      PsResponseMessage &response,
-                                      brpc::Controller *cntl) {
+int32_t GraphBrpcService::StopServer(Table *table,
+                                     const PsRequestMessage &request,
+                                     PsResponseMessage &response,
+                                     brpc::Controller *cntl) {
   GraphBrpcServer *p_server = (GraphBrpcServer *)_server;
   std::thread t_stop([p_server]() {
-    p_server->stop();
+    p_server->Stop();
     LOG(INFO) << "Server Stoped";
   });
   p_server->export_cv()->notify_all();
@@ -339,19 +338,19 @@ int32_t GraphBrpcService::stop_server(Table *table,
   return 0;
 }
 
-int32_t GraphBrpcService::stop_profiler(Table *table,
-                                        const PsRequestMessage &request,
-                                        PsResponseMessage &response,
-                                        brpc::Controller *cntl) {
+int32_t GraphBrpcService::StopProfiler(Table *table,
+                                       const PsRequestMessage &request,
+                                       PsResponseMessage &response,
+                                       brpc::Controller *cntl) {
   platform::DisableProfiler(platform::EventSortingKey::kDefault,
                             string::Sprintf("server_%s_profile", _rank));
   return 0;
 }
 
-int32_t GraphBrpcService::start_profiler(Table *table,
-                                         const PsRequestMessage &request,
-                                         PsResponseMessage &response,
-                                         brpc::Controller *cntl) {
+int32_t GraphBrpcService::StartProfiler(Table *table,
+                                        const PsRequestMessage &request,
+                                        PsResponseMessage &response,
+                                        brpc::Controller *cntl) {
   platform::EnableProfiler(platform::ProfilerState::kCPU);
   return 0;
 }
@@ -475,7 +474,7 @@ int32_t GraphBrpcService::sample_neighbors_across_multi_servers(
   std::vector<int> server2request(server_size, -1);
   std::vector<int64_t> local_id;
   std::vector<int> local_query_idx;
-  size_t rank = get_rank();
+  size_t rank = GetRank();
   for (int query_idx = 0; query_idx < node_num; ++query_idx) {
     int server_index =
         ((GraphTable *)table)->get_server_index_by_id(node_data[query_idx]);
@@ -589,9 +588,9 @@ int32_t GraphBrpcService::sample_neighbors_across_multi_servers(
     closure->request(request_idx)
         ->add_params((char *)&need_weight, sizeof(bool));
     PsService_Stub rpc_stub(
-        ((GraphBrpcServer *)get_server())->get_cmd_channel(server_index));
+        ((GraphBrpcServer *)GetServer())->GetCmdChannel(server_index));
     // GraphPsService_Stub rpc_stub =
-    //     getServiceStub(get_cmd_channel(server_index));
+    //     getServiceStub(GetCmdChannel(server_index));
     closure->cntl(request_idx)->set_log_id(butil::gettimeofday_ms());
     rpc_stub.service(closure->cntl(request_idx), closure->request(request_idx),
                      closure->response(request_idx), closure);

paddle/fluid/distributed/ps/service/graph_brpc_server.h

@@ -31,10 +31,10 @@ class GraphBrpcServer : public PSServer {
   GraphBrpcServer() {}
   virtual ~GraphBrpcServer() {}
   PsBaseService *get_service() { return _service.get(); }
-  virtual uint64_t start(const std::string &ip, uint32_t port);
+  virtual uint64_t Start(const std::string &ip, uint32_t port);
   virtual int32_t build_peer2peer_connection(int rank);
-  virtual brpc::Channel *get_cmd_channel(size_t server_index);
-  virtual int32_t stop() {
+  virtual brpc::Channel *GetCmdChannel(size_t server_index);
+  virtual int32_t Stop() {
     std::unique_lock<std::mutex> lock(mutex_);
     if (stoped_) return 0;
     stoped_ = true;
@@ -43,12 +43,12 @@ class GraphBrpcServer : public PSServer {
     _server.Join();
     return 0;
   }
-  int32_t port();
+  int32_t Port();
 
   std::condition_variable *export_cv() { return &cv_; }
 
  private:
-  virtual int32_t initialize();
+  virtual int32_t Initialize();
   mutable std::mutex mutex_;
   std::condition_variable cv_;
   bool stoped_ = false;
@@ -66,7 +66,7 @@ typedef int32_t (GraphBrpcService::*serviceFunc)(
 
 class GraphBrpcService : public PsBaseService {
  public:
-  virtual int32_t initialize() override;
+  virtual int32_t Initialize() override;
 
   virtual void service(::google::protobuf::RpcController *controller,
                        const PsRequestMessage *request,
@@ -75,7 +75,7 @@ class GraphBrpcService : public PsBaseService {
 
  protected:
   std::unordered_map<int32_t, serviceFunc> _service_handler_map;
-  int32_t initialize_shard_info();
+  int32_t InitializeShardInfo();
   int32_t pull_graph_list(Table *table, const PsRequestMessage &request,
                           PsResponseMessage &response, brpc::Controller *cntl);
   int32_t graph_random_sample_neighbors(Table *table,
@@ -100,21 +100,21 @@ class GraphBrpcService : public PsBaseService {
   int32_t remove_graph_node(Table *table, const PsRequestMessage &request,
                             PsResponseMessage &response,
                             brpc::Controller *cntl);
-  int32_t barrier(Table *table, const PsRequestMessage &request,
+  int32_t Barrier(Table *table, const PsRequestMessage &request,
                   PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t load_one_table(Table *table, const PsRequestMessage &request,
-                         PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t load_all_table(Table *table, const PsRequestMessage &request,
-                         PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t stop_server(Table *table, const PsRequestMessage &request,
-                      PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t start_profiler(Table *table, const PsRequestMessage &request,
-                         PsResponseMessage &response, brpc::Controller *cntl);
-  int32_t stop_profiler(Table *table, const PsRequestMessage &request,
+  int32_t LoadOneTable(Table *table, const PsRequestMessage &request,
+                       PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t LoadAllTable(Table *table, const PsRequestMessage &request,
+                       PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t StopServer(Table *table, const PsRequestMessage &request,
+                     PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t StartProfiler(Table *table, const PsRequestMessage &request,
                         PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t StopProfiler(Table *table, const PsRequestMessage &request,
+                       PsResponseMessage &response, brpc::Controller *cntl);
 
-  int32_t print_table_stat(Table *table, const PsRequestMessage &request,
-                           PsResponseMessage &response, brpc::Controller *cntl);
+  int32_t PrintTableStat(Table *table, const PsRequestMessage &request,
+                         PsResponseMessage &response, brpc::Controller *cntl);
 
   int32_t sample_neighbors_across_multi_servers(Table *table,
                                                 const PsRequestMessage &request,

paddle/fluid/distributed/ps/service/ps_client.cc

@@ -25,7 +25,7 @@ REGISTER_PSCORE_CLASS(PSClient, BrpcPsClient);
 REGISTER_PSCORE_CLASS(PSClient, PsLocalClient);
 REGISTER_PSCORE_CLASS(PSClient, GraphBrpcClient);
 
-int32_t PSClient::configure(
+int32_t PSClient::Configure(
     const PSParameter &config,
     const std::map<uint64_t, std::vector<paddle::distributed::Region>> &regions,
     PSEnvironment &env, size_t client_id) {
@@ -51,10 +51,10 @@ int32_t PSClient::configure(
     _table_accessors[work_param.downpour_table_param(i).table_id()].reset(
         accessor);
   }
-  return initialize();
+  return Initialize();
 }
 
-PSClient *PSClientFactory::create(const PSParameter &ps_config) {
+PSClient *PSClientFactory::Create(const PSParameter &ps_config) {
   const auto &config = ps_config.server_param();
   if (!config.has_downpour_server_param()) {
     LOG(ERROR) << "miss downpour_server_param in ServerParameter";
@@ -81,7 +81,7 @@ PSClient *PSClientFactory::create(const PSParameter &ps_config) {
     return NULL;
   }
 
-  TableManager::instance().initialize();
+  TableManager::Instance().Initialize();
   VLOG(3) << "Create PSClient[" << service_param.client_class() << "] success";
   return client;
 }

paddle/fluid/distributed/ps/service/ps_client.h

@@ -26,7 +26,6 @@
 #include "paddle/fluid/distributed/ps/service/sendrecv.pb.h"
 #include "paddle/fluid/distributed/ps/table/accessor.h"
 #include "paddle/fluid/distributed/ps/table/graph/graph_node.h"
-#include "paddle/fluid/distributed/ps/table/table.h"
 #include "paddle/fluid/platform/timer.h"
 
 namespace paddle {
@@ -60,41 +59,6 @@ class PSClientClosure : public google::protobuf::Closure {
   std::vector<std::shared_ptr<std::promise<int32_t>>> _promises;
 };
 
-struct LoadSaveContext {
-  int table_id;
-  std::string epoch;
-  std::string mode;
-};
-
-enum TrainingMode { Async = 0, Sync = 1, Geo = 3 };
-
-enum TrainingPhase { Init = 0, Train = 1, Save = 2 };
-
-// enum ValueType {
-//   Sparse = 0,
-//   Dense = 1
-// };
-
-struct PushContext {
-  const uint64_t *keys;
-  const float **push_values;
-  const Region *push_dense_values;
-};
-
-struct RequestContext {
-  int table;
-  TrainingMode training_mode;    // 1 for async, 2 for geo, 3 for sync
-  TrainingPhase training_phase;  // 1 for init, 2 for train
-  ValueType value_type;          // 1 for sparse, 2 for dense
-  uint64_t *keys;
-  float **sparse_values;  // for sparse values
-  Region *dense_values;   // for dense values
-  PushContext push_context;
-  size_t num;
-  bool is_training;
-  void *callback;
-};
-
 class PSClient {
  public:
   PSClient() {}
@@ -102,41 +66,37 @@ class PSClient {
   PSClient(PSClient &&) = delete;
   PSClient(const PSClient &) = delete;
 
-  virtual int32_t configure(  // NOLINT
+  virtual int32_t Configure(  // NOLINT
       const PSParameter &config,
       const std::map<uint64_t, std::vector<paddle::distributed::Region>>
           &regions,
       PSEnvironment &_env, size_t client_id) final;  // NOLINT
 
-  virtual int32_t create_client2client_connection(
-      int pserver_timeout_ms, int pserver_connect_timeout_ms,
-      int max_retry) = 0;
+  virtual int32_t CreateClient2ClientConnection(int pserver_timeout_ms,
+                                                int pserver_connect_timeout_ms,
+                                                int max_retry) = 0;
 
   // 触发table数据退场
-  virtual std::future<int32_t> shrink(uint32_t table_id,
+  virtual std::future<int32_t> Shrink(uint32_t table_id,
                                       const std::string threshold) = 0;
 
   // 全量table进行数据load
-  virtual std::future<int32_t> load(const std::string &epoch,
+  virtual std::future<int32_t> Load(const std::string &epoch,
                                     const std::string &mode) = 0;
   // 指定table数据load
-  virtual std::future<int32_t> load(uint32_t table_id, const std::string &epoch,
+  virtual std::future<int32_t> Load(uint32_t table_id, const std::string &epoch,
                                     const std::string &mode) = 0;
-  // context配置load选项
-  virtual std::future<int32_t> Load(const LoadSaveContext &load_context) = 0;
 
   // 全量table数据save  value_accessor根据mode，可能有不同的save条件
-  virtual std::future<int32_t> save(const std::string &epoch,
+  virtual std::future<int32_t> Save(const std::string &epoch,
                                     const std::string &mode) = 0;
   // 指定table数据save  value_accessor根据mode，可能有不同的save条件
-  virtual std::future<int32_t> save(uint32_t table_id, const std::string &epoch,
+  virtual std::future<int32_t> Save(uint32_t table_id, const std::string &epoch,
                                     const std::string &mode) = 0;
 
-  virtual std::future<int32_t> Save(const LoadSaveContext &save_context) = 0;
-
   // 清空table数据
-  virtual std::future<int32_t> clear() = 0;
-  virtual std::future<int32_t> clear(uint32_t table_id) = 0;
+  virtual std::future<int32_t> Clear() = 0;
+  virtual std::future<int32_t> Clear(uint32_t table_id) = 0;
 
   // pull dense的参数部分，并分块填充到本地网络参数中
   // start和num用于拉取部分参数
@@ -145,23 +105,19 @@ class PSClient {
   // sender聚集同一区块的请求，累计多个填充buffer
   // server将参数区块中配置的某一维提取返回
   // 返回数据解包后填充到累计的多个buffer中
-  virtual std::future<int32_t> pull_dense(Region *regions, size_t region_num,
-                                          size_t table_id) = 0;  // 保留
-
-  virtual std::future<int32_t> Push(RequestContext &push_context) = 0;
+  virtual std::future<int32_t> PullDense(Region *regions, size_t region_num,
+                                         size_t table_id) = 0;  // 保留
 
   // firstly push dense param for parameter server
   // this is neccessary because dense weight initialized in trainer on cold
   // start
-  virtual std::future<int32_t> push_dense_param(const Region *regions,
-                                                size_t region_num,
-                                                size_t table_id) = 0;
-
-  virtual std::future<int32_t> push_dense(const Region *regions,
-                                          size_t region_num,
-                                          size_t table_id) = 0;
+  virtual std::future<int32_t> PushDenseParam(const Region *regions,
+                                              size_t region_num,
+                                              size_t table_id) = 0;
 
-  virtual std::future<int32_t> Pull(RequestContext &pull_context) = 0;
+  virtual std::future<int32_t> PushDense(const Region *regions,
+                                         size_t region_num,
+                                         size_t table_id) = 0;
 
   // 使用keys进行pull请求，结果填充values
   // keys和values的个数均为num个，每个value占用select_size空间
@@ -169,15 +125,14 @@ class PSClient {
   // 整合多个线程请求的keys，聚集并分散发送到server
   // 返回结果后，遍历buffer并对values赋值
   // is_training 用于区分请求是训练/预测，server端对于特征和准入会有不同的处理.
-  virtual std::future<int32_t> pull_sparse(float **select_values,
-                                           size_t table_id,
-                                           const uint64_t *keys, size_t num,
-                                           bool is_training) = 0;
-
-  virtual std::future<int32_t> pull_sparse_param(float **select_values,
-                                                 size_t table_id,
-                                                 const uint64_t *keys,
-                                                 size_t num, bool is_training) {
+  virtual std::future<int32_t> PullSparse(float **select_values,
+                                          size_t table_id, const uint64_t *keys,
+                                          size_t num, bool is_training) = 0;
+
+  virtual std::future<int32_t> PullSparseParam(float **select_values,
+                                               size_t table_id,
+                                               const uint64_t *keys, size_t num,
+                                               bool is_training) {
     VLOG(0) << "Did not implement";
     std::promise<int32_t> promise;
     std::future<int> fut = promise.get_future();
@@ -185,10 +140,10 @@ class PSClient {
     return fut;
   }
 
-  virtual ::std::future<int32_t> pull_sparse_ptr(char **select_values,
-                                                 size_t table_id,
-                                                 const uint64_t *keys,
-                                                 size_t num) {
+  virtual ::std::future<int32_t> PullSparsePtr(char **select_values,
+                                               size_t table_id,
+                                               const uint64_t *keys,
+                                               size_t num) {
     VLOG(0) << "Did not implement";
     std::promise<int32_t> promise;
     std::future<int> fut = promise.get_future();
@@ -196,38 +151,38 @@ class PSClient {
     return fut;
   }
 
-  virtual std::future<int32_t> print_table_stat(uint32_t table_id) = 0;
+  virtual std::future<int32_t> PrintTableStat(uint32_t table_id) = 0;
 
   // 确保所有积攒中的请求都发起发送
-  virtual std::future<int32_t> flush() = 0;
+  virtual std::future<int32_t> Flush() = 0;
   // server优雅退出
-  virtual std::future<int32_t> stop_server() = 0;
+  virtual std::future<int32_t> StopServer() = 0;
 
   // server profilera
-  virtual std::future<int32_t> start_profiler() = 0;
-  virtual std::future<int32_t> stop_profiler() = 0;
+  virtual std::future<int32_t> StartProfiler() = 0;
+  virtual std::future<int32_t> StopProfiler() = 0;
 
-  virtual std::future<int32_t> barrier(size_t table_id,
+  virtual std::future<int32_t> Barrier(size_t table_id,
                                        uint32_t barrier_type) = 0;
 
-  virtual std::future<int32_t> pull_geo_param(size_t table_id,
-                                              std::vector<float> *values,
-                                              std::vector<uint64_t> *keys,
-                                              int pserver_idx) = 0;
+  virtual std::future<int32_t> PullGeoParam(size_t table_id,
+                                            std::vector<float> *values,
+                                            std::vector<uint64_t> *keys,
+                                            int pserver_idx) = 0;
 
-  virtual std::future<int32_t> push_global_step(int table_id,
-                                                int64_t *total_send_data,
-                                                void *done) = 0;
+  virtual std::future<int32_t> PushGlobalStep(int table_id,
+                                              int64_t *total_send_data,
+                                              void *done) = 0;
 
   // recv table from server and save it in LodTensor
-  virtual int32_t recv_and_save_table(const uint64_t table_id,
-                                      const std::string &path) = 0;
+  virtual int32_t RecvAndSaveTable(const uint64_t table_id,
+                                   const std::string &path) = 0;
 
-  virtual void finalize_worker() = 0;
+  virtual void FinalizeWorker() = 0;
   // client to client, 消息发送
-  virtual std::future<int32_t> send_client2client_msg(int msg_type,
-                                                      int to_client_id,
-                                                      const std::string &msg) {
+  virtual std::future<int32_t> SendClient2ClientMsg(int msg_type,
+                                                    int to_client_id,
+                                                    const std::string &msg) {
     VLOG(0) << "Did not implement";
     std::promise<int32_t> promise;
     std::future<int> fut = promise.get_future();
@@ -238,13 +193,13 @@ class PSClient {
   // client2client消息处理，std::function<int32_t (int, int, const std::string&)
   // -> ret (msg_type, from_client_id, msg)
   typedef std::function<int32_t(int, int, const std::string &)> MsgHandlerFunc;
-  virtual int registe_client2client_msg_handler(int msg_type,
-                                                MsgHandlerFunc handler) {
+  virtual int RegisteClient2ClientMsgHandler(int msg_type,
+                                             MsgHandlerFunc handler) {
     _msg_handler_map[msg_type] = handler;
     return 0;
   }
-  virtual int handle_client2client_msg(int msg_type, int from_client_id,
-                                       const std::string &msg) {
+  virtual int HandleClient2ClientMsg(int msg_type, int from_client_id,
+                                     const std::string &msg) {
     auto itr = _msg_handler_map.find(msg_type);
     if (itr == _msg_handler_map.end()) {
       LOG(WARNING) << "unknown client2client_msg type:" << msg_type;
@@ -253,7 +208,7 @@ class PSClient {
     return itr->second(msg_type, from_client_id, msg);
   }
 
-  virtual ValueAccessor *table_accessor(size_t table_id) {
+  virtual ValueAccessor *GetTableAccessor(size_t table_id) {
     auto itr = _table_accessors.find(table_id);
     if (itr == _table_accessors.end()) {
       return NULL;
@@ -261,31 +216,31 @@ class PSClient {
     return itr->second.get();
   }
 
-  virtual size_t get_server_nums() = 0;
+  virtual size_t GetServerNums() = 0;
 
-  virtual std::future<int32_t> push_dense_raw_gradient(
-      int table_id, float *total_send_data, size_t total_send_data_size,
-      void *done) = 0;
+  virtual std::future<int32_t> PushDenseRawGradient(int table_id,
+                                                    float *total_send_data,
+                                                    size_t total_send_data_size,
+                                                    void *done) = 0;
 
-  virtual std::future<int32_t> push_sparse_raw_gradient(
+  virtual std::future<int32_t> PushSparseRawGradient(
       size_t table_id, const uint64_t *keys, const float **update_values,
       size_t num, void *done) = 0;
 
-  virtual std::future<int32_t> push_sparse_raw_gradient_partial(
+  virtual std::future<int32_t> PushSparseRawGradientPartial(
       size_t table_id, const uint64_t *keys, const float **update_values,
       uint32_t num, void *done, int pserver_idx) = 0;
 
-  virtual std::future<int32_t> push_sparse_param(size_t table_id,
-                                                 const uint64_t *keys,
-                                                 const float **update_values,
-                                                 size_t num, void *done) = 0;
-  virtual std::future<int32_t> push_sparse(size_t table_id,
-                                           const uint64_t *keys,
-                                           const float **update_values,
-                                           size_t num) = 0;
+  virtual std::future<int32_t> PushSparseParam(size_t table_id,
+                                               const uint64_t *keys,
+                                               const float **update_values,
+                                               size_t num, void *done) = 0;
+  virtual std::future<int32_t> PushSparse(size_t table_id, const uint64_t *keys,
+                                          const float **update_values,
+                                          size_t num) = 0;
 
  protected:
-  virtual int32_t initialize() = 0;
+  virtual int32_t Initialize() = 0;
   size_t _client_id;
   PSParameter _config;
   std::map<uint64_t, std::vector<paddle::distributed::Region>>
@@ -333,7 +288,7 @@ REGISTER_PSCORE_REGISTERER(PSClient);
 
 class PSClientFactory {
  public:
-  static PSClient *create(const PSParameter &config);
+  static PSClient *Create(const PSParameter &config);
 };
 }  // namespace distributed
 }  // namespace paddle

paddle/fluid/distributed/ps/service/ps_local_client.cc

@@ -19,166 +19,91 @@
 
 namespace paddle {
 namespace distributed {
-int32_t PsLocalClient::initialize() {
+int32_t PsLocalClient::Initialize() {
   const auto& downpour_param = _config.server_param().downpour_server_param();
-  TableManager::instance().initialize();
+  TableManager::Instance().Initialize();
   for (size_t i = 0; i < downpour_param.downpour_table_param_size(); ++i) {
     auto* table = CREATE_PSCORE_CLASS(
         Table, downpour_param.downpour_table_param(i).table_class());
-    table->set_shard(0, 1);
-    table->initialize(downpour_param.downpour_table_param(i),
+    table->SetShard(0, 1);
+    table->Initialize(downpour_param.downpour_table_param(i),
                       _config.fs_client_param());
     _table_map[downpour_param.downpour_table_param(i).table_id()].reset(table);
   }
   return 0;
 }
 
-::std::future<int32_t> PsLocalClient::shrink(uint32_t table_id,
+::std::future<int32_t> PsLocalClient::Shrink(uint32_t table_id,
                                              const std::string threshold) {
   // TODO
   return done();
 }
 
-::std::future<int32_t> PsLocalClient::load(const std::string& epoch,
+::std::future<int32_t> PsLocalClient::Load(const std::string& epoch,
                                            const std::string& mode) {
   // TODO
   for (auto& it : _table_map) {
-    load(it.first, epoch, mode);
+    Load(it.first, epoch, mode);
   }
   return done();
 }
-::std::future<int32_t> PsLocalClient::load(uint32_t table_id,
+::std::future<int32_t> PsLocalClient::Load(uint32_t table_id,
                                            const std::string& epoch,
                                            const std::string& mode) {
   // TODO
-  auto* table_ptr = table(table_id);
-  table_ptr->load(epoch, mode);
+  auto* table_ptr = GetTable(table_id);
+  table_ptr->Load(epoch, mode);
   return done();
 }
 
-std::future<int32_t> PsLocalClient::Load(const LoadSaveContext& load_context) {
-  if (load_context.table_id < 0) {
-    for (auto& it : _table_map) {
-      load(it.first, load_context.epoch, load_context.mode);
-    }
-    return done();
-  } else {
-    auto* table_ptr = table(load_context.table_id);
-    table_ptr->load(load_context.epoch, load_context.mode);
-    return done();
-  }
-}
-
-::std::future<int32_t> PsLocalClient::save(const std::string& epoch,
+::std::future<int32_t> PsLocalClient::Save(const std::string& epoch,
                                            const std::string& mode) {
   // TODO
   for (auto& it : _table_map) {
-    save(it.first, epoch, mode);
+    Save(it.first, epoch, mode);
   }
   return done();
 }
-::std::future<int32_t> PsLocalClient::save(uint32_t table_id,
+::std::future<int32_t> PsLocalClient::Save(uint32_t table_id,
                                            const std::string& epoch,
                                            const std::string& mode) {
   // TODO
-  auto* table_ptr = table(table_id);
-  table_ptr->flush();
-  table_ptr->save(epoch, mode);
+  auto* table_ptr = GetTable(table_id);
+  table_ptr->Flush();
+  table_ptr->Save(epoch, mode);
   return done();
 }
 
-::std::future<int32_t> PsLocalClient::Save(
-    const LoadSaveContext& save_context) {
-  if (save_context.table_id < 0) {
-    for (auto& it : _table_map) {
-      save(it.first, save_context.epoch, save_context.mode);
-    }
-    return done();
-  } else {
-    auto* table_ptr = table(save_context.table_id);
-    table_ptr->flush();
-    table_ptr->save(save_context.epoch, save_context.mode);
-    return done();
-  }
-}
-
-::std::future<int32_t> PsLocalClient::clear() {
+::std::future<int32_t> PsLocalClient::Clear() {
   // TODO
   return done();
 }
-::std::future<int32_t> PsLocalClient::clear(uint32_t table_id) {
+::std::future<int32_t> PsLocalClient::Clear(uint32_t table_id) {
   // TODO
   return done();
 }
 
-::std::future<int32_t> PsLocalClient::flush() {
+::std::future<int32_t> PsLocalClient::Flush() {
   // no need
   return done();
 }
 
-::std::future<int32_t> PsLocalClient::stop_server() {
+::std::future<int32_t> PsLocalClient::StopServer() {
   // no need
   return done();
 }
 
-::std::future<int32_t> PsLocalClient::Pull(RequestContext& pull_context) {
-  if (pull_context.value_type == Dense) {  // pull dense
-    Region* dense_region = reinterpret_cast<Region*>(pull_context.dense_values);
-    pull_dense(dense_region, pull_context.num, pull_context.table);
-  } else {  // pull sparse
-    // uint64_t* keys = reinterpret_cast<uint64_t*>(pull_context.keys);
-    // char** select_values =
-    // reinterpret_cast<char**>(pull_context.sparse_values);
-    size_t table_id = pull_context.table;
-    size_t num = pull_context.num;
-    pull_sparse_ptr(reinterpret_cast<char**>(pull_context.sparse_values),
-                    table_id, pull_context.keys, num);
-  }
-}
+::std::future<int32_t> PsLocalClient::PullDense(Region* regions,
+                                                size_t region_num,
+                                                size_t table_id) {
+  auto* accessor = GetTableAccessor(table_id);
+  auto* table_ptr = GetTable(table_id);
 
-::std::future<int32_t> PsLocalClient::Push(RequestContext& push_context) {
-  if (push_context.value_type == Dense) {  // push dense
-    if (push_context.training_phase == Init) {
-      const Region* regions = push_context.push_context.push_dense_values;
-      size_t region_num = push_context.num;
-      push_dense_param(regions, region_num, push_context.table);
-    } else {
-      if (push_context.training_mode == Geo) {  // geo
-        float* total_send_data =
-            reinterpret_cast<float*>(push_context.dense_values);
-        size_t total_send_data_size = push_context.num;
-        push_dense_raw_gradient(push_context.table, total_send_data,
-                                total_send_data_size, push_context.callback);
-      } else {  // async and sync
-        const Region* regions = push_context.push_context.push_dense_values;
-        size_t region_num = push_context.num;
-        push_dense(regions, region_num, push_context.table);
-      }
-    }
-  } else {  // push sparse
-    if (push_context.training_mode == Async) {
-      const uint64_t* keys = push_context.push_context.keys;
-      const float** update_values = push_context.push_context.push_values;
-      size_t table_id = push_context.table;
-      size_t num = push_context.num;
-      push_sparse(table_id, keys, update_values, num);
-    } else {
-      // TODO
-    }
-  }
-}
-
-::std::future<int32_t> PsLocalClient::pull_dense(Region* regions,
-                                                 size_t region_num,
-                                                 size_t table_id) {
-  auto* accessor = table_accessor(table_id);
-  auto* table_ptr = table(table_id);
+  uint32_t num_per_shard = DenseDimPerShard(accessor->GetTableInfo(FEA_DIM), 1);
 
-  uint32_t num_per_shard =
-      dense_dim_per_shard(accessor->GetTableInfo(FEA_DIM), 1);
   std::vector<float> region_buffer;
   region_buffer.resize(num_per_shard);
-  table_ptr->pull_dense(region_buffer.data(), region_buffer.size());
+  table_ptr->PullDense(region_buffer.data(), region_buffer.size());
 
   size_t region_idx = 0;
   size_t region_data_idx = 0;
@@ -213,48 +138,49 @@ std::future<int32_t> PsLocalClient::Load(const LoadSaveContext& load_context) {
   return done();
 }
 
-::std::future<int32_t> PsLocalClient::push_dense_param(const Region* regions,
-                                                       size_t region_num,
-                                                       size_t table_id) {
-  auto* accessor = table_accessor(table_id);
-  auto* table_ptr = table(table_id);
+::std::future<int32_t> PsLocalClient::PushDenseParam(const Region* regions,
+                                                     size_t region_num,
+                                                     size_t table_id) {
+  auto* accessor = GetTableAccessor(table_id);
+  auto* table_ptr = GetTable(table_id);
 
   std::vector<float> region_buffer;
-  region_buffer.resize(dense_dim_per_shard(accessor->GetTableInfo(FEA_DIM), 1),
-                       0);
+  region_buffer.resize(DenseDimPerShard(accessor->GetTableInfo(FEA_DIM), 1), 0);
+
   for (size_t i = 0, offset = 0; i < region_num; ++i) {
     uint32_t data_num = regions[i].size / sizeof(float);
     memcpy(region_buffer.data() + offset, regions[i].data, regions[i].size);
     offset += data_num;
   }
 
-  // table_ptr->push_dense_param(region_buffer.data(), region_buffer.size());
+  // table_ptr->PushDenseParam(region_buffer.data(), region_buffer.size());
 
   return done();
 }
 
-::std::future<int32_t> PsLocalClient::push_dense_raw_gradient(
+::std::future<int32_t> PsLocalClient::PushDenseRawGradient(
     int table_id, float* total_send_data, size_t total_send_data_size,
     void* callback) {
   VLOG(1) << "wxx push_dense_raw_gradient";
 
   PSClientClosure* closure = reinterpret_cast<PSClientClosure*>(callback);
 
-  auto* table_ptr = table(table_id);
+  auto* table_ptr = GetTable(table_id);
 
-  table_ptr->push_dense(total_send_data, total_send_data_size);
+  table_ptr->PushDense(total_send_data, total_send_data_size);
   delete closure;
   return done();
 }
 
-::std::future<int32_t> PsLocalClient::push_dense(const Region* regions,
-                                                 size_t region_num,
-                                                 size_t table_id) {
-  auto* accessor = table_accessor(table_id);
-  auto* table_ptr = table(table_id);
+::std::future<int32_t> PsLocalClient::PushDense(const Region* regions,
+                                                size_t region_num,
+                                                size_t table_id) {
+  auto* accessor = GetTableAccessor(table_id);
+  auto* table_ptr = GetTable(table_id);
 
   std::vector<float> region_buffer;
-  region_buffer.resize(dense_dim_per_shard(accessor->GetTableInfo(FEA_DIM), 1));
+  region_buffer.resize(DenseDimPerShard(accessor->GetTableInfo(FEA_DIM), 1));
+
   size_t data_size = region_buffer.size();
   for (size_t i = 0, offset = 0; i < region_num; ++i) {
     uint32_t data_num = regions[i].size / sizeof(float);
@@ -267,12 +193,12 @@ std::future<int32_t> PsLocalClient::Load(const LoadSaveContext& load_context) {
     offset += data_num;
   }
 
-  table_ptr->push_dense(region_buffer.data(), region_buffer.size());
+  table_ptr->PushDense(region_buffer.data(), region_buffer.size());
 
   return done();
 }
 
-//::std::future<int32_t> PsLocalClient::pull_sparse(float** select_values,
+//::std::future<int32_t> PsLocalClient::PullSparse(float** select_values,
 //                                                  size_t table_id,
 //                                                  const uint64_t* keys,
 //                                                  size_t num) {
@@ -282,14 +208,14 @@ std::future<int32_t> PsLocalClient::Load(const LoadSaveContext& load_context) {
 //  // auto local_timer =
 //  // std::make_shared<CostTimer>("pslib_downpour_client_pull_sparse_local");
 //  //将key拆分到各shard请求，并记录原始对应value指针
-//  auto* accessor = table_accessor(table_id);
-//  auto* table_ptr = table(table_id);
+//  auto* accessor = GetTableAccessor(table_id);
+//  auto* table_ptr = GetTable(table_id);
 //  size_t value_size = accessor->select_size();
 //
-//  // table_ptr->pull_sparse(keys, num);
+//  // table_ptr->PullSparse(keys, num);
 //  std::vector<float> res_data;
 //  res_data.resize(num * value_size / sizeof(float));
-//  table_ptr->pull_sparse(res_data.data(), keys, num);
+//  table_ptr->PullSparse(res_data.data(), keys, num);
 //  // memcpy(select_values[0], res_data->data(), res_data->size() *
 //  // sizeof(float));
 //  size_t offset = 0;
@@ -302,43 +228,43 @@ std::future<int32_t> PsLocalClient::Load(const LoadSaveContext& load_context) {
 //  return done();
 //}
 
-::std::future<int32_t> PsLocalClient::pull_sparse_ptr(char** select_values,
-                                                      size_t table_id,
-                                                      const uint64_t* keys,
-                                                      size_t num) {
+::std::future<int32_t> PsLocalClient::PullSparsePtr(char** select_values,
+                                                    size_t table_id,
+                                                    const uint64_t* keys,
+                                                    size_t num) {
   // FIXME
   // auto timer =
   // std::make_shared<CostTimer>("pslib_downpour_client_pull_sparse");
   // auto local_timer =
   // std::make_shared<CostTimer>("pslib_downpour_client_pull_sparse_local");
   //将key拆分到各shard请求，并记录原始对应value指针
-  auto* table_ptr = table(table_id);
+  auto* table_ptr = GetTable(table_id);
 
-  table_ptr->pull_sparse_ptr(select_values, keys, num);
+  table_ptr->PullSparsePtr(select_values, keys, num);
 
   return done();
 }
 
-::std::future<int32_t> PsLocalClient::push_sparse_raw_gradient(
+::std::future<int32_t> PsLocalClient::PushSparseRawGradient(
     size_t table_id, const uint64_t* keys, const float** update_values,
     size_t num, void* callback) {
   PSClientClosure* closure = reinterpret_cast<PSClientClosure*>(callback);
-  auto* accessor = table_accessor(table_id);
-  auto* table_ptr = table(table_id);
+  auto* accessor = GetTableAccessor(table_id);
+  auto* table_ptr = GetTable(table_id);
 
-  table_ptr->push_sparse(keys, update_values, num);
+  table_ptr->PushSparse(keys, update_values, num);
   delete closure;
   return done();
 }
 
-::std::future<int32_t> PsLocalClient::push_sparse(size_t table_id,
-                                                  const uint64_t* keys,
-                                                  const float** update_values,
-                                                  size_t num) {
-  auto* accessor = table_accessor(table_id);
-  auto* table_ptr = table(table_id);
+::std::future<int32_t> PsLocalClient::PushSparse(size_t table_id,
+                                                 const uint64_t* keys,
+                                                 const float** update_values,
+                                                 size_t num) {
+  auto* accessor = GetTableAccessor(table_id);
+  auto* table_ptr = GetTable(table_id);
 
-  table_ptr->push_sparse(keys, update_values, num);
+  table_ptr->PushSparse(keys, update_values, num);
   return done();
 }
 }

paddle/fluid/distributed/ps/service/ps_local_client.h

@@ -26,54 +26,46 @@ class PsLocalClient : public PSClient {
  public:
   PsLocalClient() {}
   virtual ~PsLocalClient() { _running = false; }
-  virtual int32_t create_client2client_connection(int pslib_timeout_ms,
-                                                  int pslib_connect_timeout_ms,
-                                                  int max_retry) {
+  virtual int32_t CreateClient2ClientConnection(int pslib_timeout_ms,
+                                                int pslib_connect_timeout_ms,
+                                                int max_retry) {
     return 0;
   }
 
-  virtual ::std::future<int32_t> shrink(uint32_t table_id,
+  virtual ::std::future<int32_t> Shrink(uint32_t table_id,
                                         const std::string threshold) override;
-  virtual ::std::future<int32_t> load(const std::string& epoch,
+  virtual ::std::future<int32_t> Load(const std::string& epoch,
                                       const std::string& mode) override;
-  virtual ::std::future<int32_t> load(uint32_t table_id,
+  virtual ::std::future<int32_t> Load(uint32_t table_id,
                                       const std::string& epoch,
                                       const std::string& mode) override;
-  virtual std::future<int32_t> Load(
-      const LoadSaveContext& load_context) override;
 
-  virtual ::std::future<int32_t> save(const std::string& epoch,
+  virtual ::std::future<int32_t> Save(const std::string& epoch,
                                       const std::string& mode) override;
-  virtual ::std::future<int32_t> save(uint32_t table_id,
+  virtual ::std::future<int32_t> Save(uint32_t table_id,
                                       const std::string& epoch,
                                       const std::string& mode) override;
-  virtual std::future<int32_t> Save(
-      const LoadSaveContext& save_context) override;
 
-  virtual ::std::future<int32_t> clear() override;
-  virtual ::std::future<int32_t> clear(uint32_t table_id) override;
+  virtual ::std::future<int32_t> Clear() override;
+  virtual ::std::future<int32_t> Clear(uint32_t table_id) override;
 
-  virtual ::std::future<int32_t> stop_server() override;
+  virtual ::std::future<int32_t> StopServer() override;
 
-  virtual void finalize_worker() override {}
-  virtual ::std::future<int32_t> pull_dense(Region* regions, size_t region_num,
-                                            size_t table_id);
+  virtual void FinalizeWorker() override {}
+  virtual ::std::future<int32_t> PullDense(Region* regions, size_t region_num,
+                                           size_t table_id);
 
-  virtual ::std::future<int32_t> Pull(RequestContext& pull_context) override;
+  virtual ::std::future<int32_t> PushDense(const Region* regions,
+                                           size_t region_num, size_t table_id);
 
-  virtual ::std::future<int32_t> Push(RequestContext& push_context) override;
+  virtual ::std::future<int32_t> PushDenseParam(const Region* regions,
+                                                size_t region_num,
+                                                size_t table_id);
 
-  virtual ::std::future<int32_t> push_dense(const Region* regions,
-                                            size_t region_num, size_t table_id);
-
-  virtual ::std::future<int32_t> push_dense_param(const Region* regions,
-                                                  size_t region_num,
-                                                  size_t table_id);
-
-  virtual ::std::future<int32_t> pull_sparse(float** select_values,
-                                             size_t table_id,
-                                             const uint64_t* keys, size_t num,
-                                             bool is_training) {
+  virtual ::std::future<int32_t> PullSparse(float** select_values,
+                                            size_t table_id,
+                                            const uint64_t* keys, size_t num,
+                                            bool is_training) {
     std::promise<int32_t> prom;
     std::future<int32_t> fut = prom.get_future();
     prom.set_value(0);
@@ -81,26 +73,26 @@ class PsLocalClient : public PSClient {
     return fut;
   }
 
-  virtual ::std::future<int32_t> pull_sparse_ptr(char** select_values,
-                                                 size_t table_id,
-                                                 const uint64_t* keys,
-                                                 size_t num);
+  virtual ::std::future<int32_t> PullSparsePtr(char** select_values,
+                                               size_t table_id,
+                                               const uint64_t* keys,
+                                               size_t num);
 
-  virtual ::std::future<int32_t> print_table_stat(uint32_t table_id) {
+  virtual ::std::future<int32_t> PrintTableStat(uint32_t table_id) {
     std::promise<int32_t> prom;
     std::future<int32_t> fut = prom.get_future();
     prom.set_value(0);
 
     return fut;
   }
-  virtual ::std::future<int32_t> push_sparse(size_t table_id,
-                                             const uint64_t* keys,
-                                             const float** update_values,
-                                             size_t num);
+  virtual ::std::future<int32_t> PushSparse(size_t table_id,
+                                            const uint64_t* keys,
+                                            const float** update_values,
+                                            size_t num);
 
-  virtual ::std::future<int32_t> flush();
+  virtual ::std::future<int32_t> Flush();
   // server profilera
-  virtual std::future<int32_t> start_profiler() {
+  virtual std::future<int32_t> StartProfiler() {
     std::promise<int32_t> prom;
     std::future<int32_t> fut = prom.get_future();
     prom.set_value(0);
@@ -108,7 +100,7 @@ class PsLocalClient : public PSClient {
     return fut;
   };
 
-  virtual std::future<int32_t> stop_profiler() {
+  virtual std::future<int32_t> StopProfiler() {
     std::promise<int32_t> prom;
     std::future<int32_t> fut = prom.get_future();
     prom.set_value(0);
@@ -116,7 +108,7 @@ class PsLocalClient : public PSClient {
     return fut;
   }
 
-  virtual std::future<int32_t> barrier(size_t table_id, uint32_t barrier_type) {
+  virtual std::future<int32_t> Barrier(size_t table_id, uint32_t barrier_type) {
     std::promise<int32_t> prom;
     std::future<int32_t> fut = prom.get_future();
     prom.set_value(0);
@@ -124,10 +116,10 @@ class PsLocalClient : public PSClient {
     return fut;
   }
 
-  virtual std::future<int32_t> pull_geo_param(size_t table_id,
-                                              std::vector<float>* values,
-                                              std::vector<uint64_t>* keys,
-                                              int pserver_idx) {
+  virtual std::future<int32_t> PullGeoParam(size_t table_id,
+                                            std::vector<float>* values,
+                                            std::vector<uint64_t>* keys,
+                                            int pserver_idx) {
     std::promise<int32_t> prom;
     std::future<int32_t> fut = prom.get_future();
     prom.set_value(0);
@@ -135,9 +127,9 @@ class PsLocalClient : public PSClient {
     return fut;
   }
 
-  virtual std::future<int32_t> push_global_step(int table_id,
-                                                int64_t* total_send_data,
-                                                void* done) {
+  virtual std::future<int32_t> PushGlobalStep(int table_id,
+                                              int64_t* total_send_data,
+                                              void* done) {
     std::promise<int32_t> prom;
     std::future<int32_t> fut = prom.get_future();
     prom.set_value(0);
@@ -146,12 +138,12 @@ class PsLocalClient : public PSClient {
   }
 
   // recv table from server and save it in LodTensor
-  virtual int32_t recv_and_save_table(const uint64_t table_id,
-                                      const std::string& path) {
+  virtual int32_t RecvAndSaveTable(const uint64_t table_id,
+                                   const std::string& path) {
     return 0;
   }
 
-  virtual ::std::future<int32_t> send_client2client_msg(
+  virtual ::std::future<int32_t> SendClient2ClientMsg(
       int msg_type, int to_client_id, const std::string& msg) override {
     std::promise<int32_t> prom;
     std::future<int32_t> fut = prom.get_future();
@@ -159,17 +151,18 @@ class PsLocalClient : public PSClient {
 
     return fut;
   }
-  virtual size_t get_server_nums() { return 1; }
+  virtual size_t GetServerNums() { return 1; }
 
-  virtual std::future<int32_t> push_dense_raw_gradient(
-      int table_id, float* total_send_data, size_t total_send_data_size,
-      void* callback) override;
+  virtual std::future<int32_t> PushDenseRawGradient(int table_id,
+                                                    float* total_send_data,
+                                                    size_t total_send_data_size,
+                                                    void* callback) override;
 
-  virtual std::future<int32_t> push_sparse_raw_gradient(
+  virtual std::future<int32_t> PushSparseRawGradient(
       size_t table_id, const uint64_t* keys, const float** update_values,
       size_t num, void* callback) override;
 
-  virtual std::future<int32_t> push_sparse_raw_gradient_partial(
+  virtual std::future<int32_t> PushSparseRawGradientPartial(
       size_t table_id, const uint64_t* keys, const float** update_values,
       uint32_t num, void* done, int pserver_idx) override {
     std::promise<int32_t> prom;
@@ -179,11 +172,11 @@ class PsLocalClient : public PSClient {
     return fut;
   }
 
-  virtual std::future<int32_t> push_sparse_param(size_t table_id,
-                                                 const uint64_t* keys,
-                                                 const float** update_values,
-                                                 size_t num,
-                                                 void* done) override {
+  virtual std::future<int32_t> PushSparseParam(size_t table_id,
+                                               const uint64_t* keys,
+                                               const float** update_values,
+                                               size_t num,
+                                               void* done) override {
     std::promise<int32_t> prom;
     std::future<int32_t> fut = prom.get_future();
     prom.set_value(0);
@@ -192,7 +185,7 @@ class PsLocalClient : public PSClient {
   }
 
  private:
-  virtual int32_t initialize() override;
+  virtual int32_t Initialize() override;
 
   std::future<int32_t> done() {
     std::shared_ptr<std::promise<int32_t>> prom =
@@ -202,16 +195,16 @@ class PsLocalClient : public PSClient {
     return fut;
   }
 
-  inline uint32_t dense_dim_per_shard(uint32_t dense_dim_total,
-                                      uint32_t shard_num) {
+  inline uint32_t DenseDimPerShard(uint32_t dense_dim_total,
+                                   uint32_t shard_num) {
     return dense_dim_total / shard_num + 1;
   }
 
-  inline std::unordered_map<uint32_t, std::shared_ptr<Table>>* table() {
+  inline std::unordered_map<uint32_t, std::shared_ptr<Table>>* GetTable() {
     return &_table_map;
   }
 
-  inline Table* table(size_t table_id) {
+  inline Table* GetTable(size_t table_id) {
     auto itr = _table_map.find(table_id);
     if (itr != _table_map.end()) {
       return itr->second.get();

paddle/fluid/distributed/ps/service/ps_local_server.h

@@ -25,17 +25,17 @@ class PsLocalServer : public PSServer {
  public:
   PsLocalServer() {}
   virtual ~PsLocalServer() {}
-  virtual uint64_t start() { return 0; }
-  virtual uint64_t start(const std::string &ip, uint32_t port) { return 0; }
-  virtual int32_t stop() { return 0; }
-  virtual int32_t configure(
+  virtual uint64_t Start() { return 0; }
+  virtual uint64_t Start(const std::string &ip, uint32_t port) { return 0; }
+  virtual int32_t Stop() { return 0; }
+  virtual int32_t Configure(
       const PSParameter &config, PSEnvironment &env, size_t server_rank,
       const std::vector<framework::ProgramDesc> &server_sub_program = {}) {
     return 0;
   }
 
  private:
-  virtual int32_t initialize() { return 0; }
+  virtual int32_t Initialize() { return 0; }
 };
 }
 }

paddle/fluid/distributed/ps/service/ps_service/graph_py_service.cc

@@ -70,7 +70,7 @@ void GraphPyService::set_up(std::string ips_str, int shard_num,
     port_list.push_back(ip_and_port[1]);
     uint32_t port = stoul(ip_and_port[1]);
     auto ph_host = paddle::distributed::PSHost(ip_and_port[0], port, index);
-    host_sign_list.push_back(ph_host.serialize_to_string());
+    host_sign_list.push_back(ph_host.SerializeToString());
     index++;
   }
 }
@@ -83,11 +83,11 @@ void GraphPyClient::start_client() {
   paddle::distributed::PaddlePSEnvironment _ps_env;
   auto servers_ = host_sign_list.size();
   _ps_env = paddle::distributed::PaddlePSEnvironment();
-  _ps_env.set_ps_servers(&host_sign_list, servers_);
+  _ps_env.SetPsServers(&host_sign_list, servers_);
   worker_ptr = std::shared_ptr<paddle::distributed::GraphBrpcClient>(
       (paddle::distributed::GraphBrpcClient*)
-          paddle::distributed::PSClientFactory::create(worker_proto));
-  worker_ptr->configure(worker_proto, dense_regions, _ps_env, client_id);
+          paddle::distributed::PSClientFactory::Create(worker_proto));
+  worker_ptr->Configure(worker_proto, dense_regions, _ps_env, client_id);
   worker_ptr->set_shard_num(get_shard_num());
 }
 void GraphPyServer::start_server(bool block) {
@@ -96,17 +96,17 @@ void GraphPyServer::start_server(bool block) {
   ::paddle::distributed::PSParameter server_proto = this->GetServerProto();
 
   auto _ps_env = paddle::distributed::PaddlePSEnvironment();
-  _ps_env.set_ps_servers(&this->host_sign_list,
-                         this->host_sign_list.size());  // test
+  _ps_env.SetPsServers(&this->host_sign_list,
+                       this->host_sign_list.size());  // test
   pserver_ptr = std::shared_ptr<paddle::distributed::GraphBrpcServer>(
       (paddle::distributed::GraphBrpcServer*)
-          paddle::distributed::PSServerFactory::create(server_proto));
+          paddle::distributed::PSServerFactory::Create(server_proto));
   VLOG(0) << "pserver-ptr created ";
   std::vector<framework::ProgramDesc> empty_vec;
   framework::ProgramDesc empty_prog;
   empty_vec.push_back(empty_prog);
-  pserver_ptr->configure(server_proto, _ps_env, rank, empty_vec);
-  pserver_ptr->start(ip, port);
+  pserver_ptr->Configure(server_proto, _ps_env, rank, empty_vec);
+  pserver_ptr->Start(ip, port);
   pserver_ptr->build_peer2peer_connection(rank);
   std::condition_variable* cv_ = pserver_ptr->export_cv();
   if (block) {
@@ -246,7 +246,7 @@ void GraphPyClient::load_edge_file(std::string name, std::string filepath,
     VLOG(0) << "loadding data with type " << name << " from " << filepath;
     uint32_t table_id = this->table_id_map[name];
     auto status =
-        get_ps_client()->load(table_id, std::string(filepath), params);
+        get_ps_client()->Load(table_id, std::string(filepath), params);
     status.wait();
   }
 }
@@ -285,7 +285,7 @@ void GraphPyClient::load_node_file(std::string name, std::string filepath) {
   if (this->table_id_map.count(name)) {
     uint32_t table_id = this->table_id_map[name];
     auto status =
-        get_ps_client()->load(table_id, std::string(filepath), params);
+        get_ps_client()->Load(table_id, std::string(filepath), params);
     status.wait();
   }
 }
@@ -396,13 +396,13 @@ std::vector<FeatureNode> GraphPyClient::pull_graph_list(std::string name,
   return res;
 }
 
-void GraphPyClient::stop_server() {
+void GraphPyClient::StopServer() {
   VLOG(0) << "going to stop server";
   std::unique_lock<std::mutex> lock(mutex_);
   if (stoped_) return;
-  auto status = this->worker_ptr->stop_server();
+  auto status = this->worker_ptr->StopServer();
   if (status.get() == 0) stoped_ = true;
 }
-void GraphPyClient::finalize_worker() { this->worker_ptr->finalize_worker(); }
+void GraphPyClient::FinalizeWorker() { this->worker_ptr->FinalizeWorker(); }
 }
 }

paddle/fluid/distributed/ps/service/ps_service/graph_py_service.h

@@ -123,7 +123,7 @@ class GraphPyServer : public GraphPyService {
     set_rank(rank);
     GraphPyService::set_up(ips_str, shard_num, node_types, edge_types);
   }
-  int get_rank() { return rank; }
+  int GetRank() { return rank; }
   void set_rank(int rank) { this->rank = rank; }
 
   void start_server(bool block = true);
@@ -154,8 +154,8 @@ class GraphPyClient : public GraphPyService {
         (paddle::distributed::GraphBrpcService*)server.get_ps_server()
             ->get_service());
   }
-  void stop_server();
-  void finalize_worker();
+  void StopServer();
+  void FinalizeWorker();
   void load_edge_file(std::string name, std::string filepath, bool reverse);
   void load_node_file(std::string name, std::string filepath);
   void clear_nodes(std::string name);

paddle/fluid/distributed/ps/service/ps_service/service.cc

@@ -46,7 +46,7 @@ paddle::distributed::PSParameter load_from_prototxt(
   return param;
 }
 
-void PSCore::init_gflag(const std::string& gflags) {
+void PSCore::InitGFlag(const std::string& gflags) {
   VLOG(3) << "Init With Gflags:" << gflags;
   std::vector<std::string> flags = paddle::string::split_string(gflags);
   if (flags.size() < 1) {
@@ -65,67 +65,67 @@ void PSCore::init_gflag(const std::string& gflags) {
   ::GFLAGS_NAMESPACE::ParseCommandLineFlags(&params_cnt, &params_ptr, true);
 }
 
-int PSCore::init_server(
+int PSCore::InitServer(
     const std::string& dist_desc,
     const std::vector<std::string>* host_sign_list, int node_num, int index,
     int trainers,
     const std::vector<framework::ProgramDesc>& server_sub_program) {
   google::protobuf::TextFormat::ParseFromString(dist_desc, &_ps_param);
-  init_gflag(_ps_param.init_gflags());
+  InitGFlag(_ps_param.init_gflags());
   _ps_env = paddle::distributed::PaddlePSEnvironment();
-  _ps_env.set_ps_servers(host_sign_list, node_num);
-  _ps_env.set_trainers(trainers);
+  _ps_env.SetPsServers(host_sign_list, node_num);
+  _ps_env.SetTrainers(trainers);
   int ret = 0;
   _server_ptr = std::shared_ptr<paddle::distributed::PSServer>(
-      paddle::distributed::PSServerFactory::create(_ps_param));
-  ret = _server_ptr->configure(_ps_param, _ps_env, index, server_sub_program);
+      paddle::distributed::PSServerFactory::Create(_ps_param));
+  ret = _server_ptr->Configure(_ps_param, _ps_env, index, server_sub_program);
   CHECK(ret == 0) << "failed to configure server";
   return ret;
 }
 
-int PSCore::init_worker(
+int PSCore::InitWorker(
     const std::string& dist_desc,
     const std::map<uint64_t, std::vector<paddle::distributed::Region>>& regions,
     const std::vector<std::string>* host_sign_list, int node_num, int index) {
   google::protobuf::TextFormat::ParseFromString(dist_desc, &_ps_param);
-  init_gflag(_ps_param.init_gflags());
+  InitGFlag(_ps_param.init_gflags());
   _ps_env = paddle::distributed::PaddlePSEnvironment();
-  _ps_env.set_ps_servers(host_sign_list, node_num);
+  _ps_env.SetPsServers(host_sign_list, node_num);
   int ret = 0;
-  VLOG(1) << "PSCore::init_worker";
+  VLOG(1) << "PSCore::InitWorker";
   auto* communicator = Communicator::GetInstance();
-  ret = communicator->GetPsClient()->configure(_ps_param, regions, _ps_env,
+  ret = communicator->GetPsClient()->Configure(_ps_param, regions, _ps_env,
                                                index);
   communicator->Start();
   return ret;
 }
 
-std::vector<uint64_t> PSCore::get_client_info() {
-  return _ps_env.get_client_info();
+std::vector<uint64_t> PSCore::GetClientInfo() {
+  return _ps_env.GetClientInfo();
 }
 
-int PSCore::create_client2client_connection(int pserver_timeout_ms,
-                                            int pserver_connect_timeout_ms,
-                                            int max_retry) {
-  int ret = _worker_ptr->create_client2client_connection(
+int PSCore::CreateClient2ClientConnection(int pserver_timeout_ms,
+                                          int pserver_connect_timeout_ms,
+                                          int max_retry) {
+  int ret = _worker_ptr->CreateClient2ClientConnection(
       pserver_timeout_ms, pserver_connect_timeout_ms, max_retry);
   return ret;
 }
 
-uint64_t PSCore::run_server(const std::string& ip, uint32_t port) {
-  return _server_ptr->start(ip, port);
+uint64_t PSCore::RunServer(const std::string& ip, uint32_t port) {
+  return _server_ptr->Start(ip, port);
 }
 
-int PSCore::finalize_worker() {
-  _worker_ptr->finalize_worker();
+int PSCore::FinalizeWorker() {
+  _worker_ptr->FinalizeWorker();
   return 0;
 }
 
-int PSCore::stop_server() {
-  auto stop_status = _worker_ptr->stop_server();
+int PSCore::StopServer() {
+  auto stop_status = _worker_ptr->StopServer();
   stop_status.wait();
   return 0;
 }
-paddle::distributed::PSParameter* PSCore::get_param() { return &_ps_param; }
+paddle::distributed::PSParameter* PSCore::GetParam() { return &_ps_param; }
 }  // namespace distributed
 }  // namespace paddle

paddle/fluid/distributed/ps/service/ps_service/service.h

@@ -42,31 +42,31 @@ class PSCore {
   explicit PSCore() {}
   virtual ~PSCore() {}
 
-  virtual int init_server(
+  virtual int InitServer(
       const std::string& dist_desc,
       const std::vector<std::string>* host_sign_list, int node_num, int index,
       int trainers,
       const std::vector<framework::ProgramDesc>& server_sub_program = {});
-  virtual int init_worker(
+  virtual int InitWorker(
       const std::string& dist_desc,
       const std::map<uint64_t, std::vector<paddle::distributed::Region>>&
           regions,
       const std::vector<std::string>* host_sign_list, int node_num, int index);
-  virtual uint64_t run_server(const std::string& ip, uint32_t port);
-  virtual int stop_server();
-  virtual int finalize_worker();
-  virtual std::vector<uint64_t> get_client_info();
-  virtual int create_client2client_connection(int pserver_timeout_ms,
-                                              int pserver_connect_timeout_ms,
-                                              int max_retry);
+  virtual uint64_t RunServer(const std::string& ip, uint32_t port);
+  virtual int StopServer();
+  virtual int FinalizeWorker();
+  virtual std::vector<uint64_t> GetClientInfo();
+  virtual int CreateClient2ClientConnection(int pserver_timeout_ms,
+                                            int pserver_connect_timeout_ms,
+                                            int max_retry);
   std::shared_ptr<paddle::distributed::PSServer>
       _server_ptr;  // pointer to server
   std::shared_ptr<paddle::distributed::PSClient>
       _worker_ptr;  // pointer to worker
-  virtual paddle::distributed::PSParameter* get_param();
+  virtual paddle::distributed::PSParameter* GetParam();
 
  private:
-  void init_gflag(const std::string& gflags);
+  void InitGFlag(const std::string& gflags);
   paddle::distributed::PSParameter _ps_param;
   paddle::distributed::PaddlePSEnvironment _ps_env;
 };

paddle/fluid/distributed/ps/service/server.cc

@@ -29,7 +29,7 @@ REGISTER_PSCORE_CLASS(PsBaseService, BrpcPsService);
 REGISTER_PSCORE_CLASS(PSServer, GraphBrpcServer);
 REGISTER_PSCORE_CLASS(PsBaseService, GraphBrpcService);
 
-PSServer *PSServerFactory::create(const PSParameter &ps_config) {
+PSServer *PSServerFactory::Create(const PSParameter &ps_config) {
   const auto &config = ps_config.server_param();
 
   if (!config.has_downpour_server_param()) {
@@ -56,18 +56,18 @@ PSServer *PSServerFactory::create(const PSParameter &ps_config) {
                << service_param.server_class();
     return NULL;
   }
-  TableManager::instance().initialize();
+  TableManager::Instance().Initialize();
   return server;
 }
 
-int32_t PSServer::configure(
+int32_t PSServer::Configure(
     const PSParameter &config, PSEnvironment &env, size_t server_rank,
     const std::vector<framework::ProgramDesc> &server_sub_program) {
   scope_.reset(new framework::Scope());
   _config = config.server_param();
   _rank = server_rank;
   _environment = &env;
-  size_t shard_num = env.get_ps_servers().size();
+  size_t shard_num = env.GetPsServers().size();
 
   const auto &downpour_param = _config.downpour_server_param();
 
@@ -87,21 +87,21 @@ int32_t PSServer::configure(
       global_step_table = downpour_param.downpour_table_param(i).table_id();
     }
 
-    table->set_program_env(scope_.get(), place_, &server_sub_program);
-    table->set_shard(_rank, shard_num);
-    table->initialize(downpour_param.downpour_table_param(i),
+    table->SetProgramEnv(scope_.get(), place_, &server_sub_program);
+    table->SetShard(_rank, shard_num);
+    table->Initialize(downpour_param.downpour_table_param(i),
                       config.fs_client_param());
     _table_map[downpour_param.downpour_table_param(i).table_id()].reset(table);
   }
 
   if (barrier_table != UINT32_MAX) {
-    _table_map[barrier_table]->set_table_map(&_table_map);
+    _table_map[barrier_table]->SetTableMap(&_table_map);
   }
   if (global_step_table != UINT32_MAX) {
-    _table_map[global_step_table]->set_table_map(&_table_map);
+    _table_map[global_step_table]->SetTableMap(&_table_map);
   }
 
-  return initialize();
+  return Initialize();
 }
 }  // namespace distributed
 }  // namespace paddle

paddle/fluid/distributed/ps/service/server.h

@@ -65,19 +65,19 @@ class PSServer {
   PSServer(PSServer &&) = delete;
   PSServer(const PSServer &) = delete;
 
-  virtual int32_t configure(
+  virtual int32_t Configure(
       const PSParameter &config, PSEnvironment &env, size_t server_rank,
       const std::vector<framework::ProgramDesc> &server_sub_program = {});
 
-  virtual uint64_t start(const std::string &ip, uint32_t port) = 0;
-  virtual int32_t stop() = 0;
+  virtual uint64_t Start(const std::string &ip, uint32_t port) = 0;
+  virtual int32_t Stop() = 0;
 
-  inline size_t rank() const { return _rank; }
+  inline size_t Rank() const { return _rank; }
 
-  inline PSEnvironment *environment() { return _environment; }
+  inline PSEnvironment *Environment() { return _environment; }
 
-  inline const ServerParameter *config() const { return &_config; }
-  inline Table *table(size_t table_id) {
+  inline const ServerParameter *Config() const { return &_config; }
+  inline Table *GetTable(size_t table_id) {
     auto itr = _table_map.find(table_id);
     if (itr != _table_map.end()) {
       return itr->second.get();
@@ -85,12 +85,12 @@ class PSServer {
     return NULL;
   }
 
-  inline std::unordered_map<uint32_t, std::shared_ptr<Table>> *table() {
+  inline std::unordered_map<uint32_t, std::shared_ptr<Table>> *GetTable() {
     return &_table_map;
   }
 
  protected:
-  virtual int32_t initialize() = 0;
+  virtual int32_t Initialize() = 0;
 
  protected:
   size_t _rank;
@@ -129,11 +129,11 @@ class PsBaseService : public PsService {
  public:
   PsBaseService() : _rank(0), _server(NULL), _config(NULL) {}
   virtual ~PsBaseService() {}
-  virtual size_t get_rank() { return _rank; }
-  virtual int32_t configure(PSServer *server) {
+  virtual size_t GetRank() { return _rank; }
+  virtual int32_t Configure(PSServer *server) {
     _server = server;
-    _rank = _server->rank();
-    _config = _server->config();
+    _rank = _server->Rank();
+    _config = _server->Config();
     return 0;
   }
   virtual void service(::google::protobuf::RpcController *controller,
@@ -148,8 +148,8 @@ class PsBaseService : public PsService {
     LOG(WARNING) << "Resonse err_code:" << err_code << " msg:" << err_msg;
   }
 
-  virtual int32_t initialize() = 0;
-  PSServer *get_server() { return _server; }
+  virtual int32_t Initialize() = 0;
+  PSServer *GetServer() { return _server; }
 
  protected:
   size_t _rank;
@@ -160,7 +160,7 @@ REGISTER_PSCORE_REGISTERER(PsBaseService);
 
 class PSServerFactory {
  public:
-  static PSServer *create(const PSParameter &config);
+  static PSServer *Create(const PSParameter &config);
 };
 }  // namespace distributed
 }  // namespace paddle

paddle/fluid/distributed/ps/table/barrier_table.cc

@@ -17,7 +17,7 @@
 namespace paddle {
 namespace distributed {
 
-int32_t BarrierTable::initialize() {
+int32_t BarrierTable::Initialize() {
   auto trainers = _config.common().trainer_num();
   trigger_.store(trainers);
 
@@ -29,7 +29,7 @@ int32_t BarrierTable::initialize() {
 }
 
 // 0: send_barrier 1: recv_barrier 2: complete
-int32_t BarrierTable::barrier(const uint32_t trainer_id,
+int32_t BarrierTable::Barrier(const uint32_t trainer_id,
                               const std::string barrier_type) {
   std::unique_lock<std::mutex> lock(mutex_);
 
@@ -56,7 +56,7 @@ int32_t BarrierTable::barrier(const uint32_t trainer_id,
     VLOG(1) << "barrier table optimize begin";
     for (auto& x : *table_map_) {
       auto table = x.second;
-      table->pour();
+      table->Pour();
     }
     VLOG(1) << "barrier table optimize done";
 
@@ -66,7 +66,7 @@ int32_t BarrierTable::barrier(const uint32_t trainer_id,
   return 0;
 }
 
-int32_t BarrierTable::set_table_map(
+int32_t BarrierTable::SetTableMap(
     std::unordered_map<uint32_t, std::shared_ptr<Table>>* table_map) {
   table_map_ = table_map;
   return 0;

paddle/fluid/distributed/ps/table/common_dense_table.cc

@@ -21,8 +21,8 @@ namespace distributed {
 
 int FLAGS_pslib_table_save_max_retry_dense = 3;
 
-void CommonDenseTable::create_initializer(const std::string& attr,
-                                          const std::string& name) {
+void CommonDenseTable::CreateInitializer(const std::string& attr,
+                                         const std::string& name) {
   auto slices = string::split_string<std::string>(attr, "&");
 
   if (slices[0] == "gaussian_random") {
@@ -39,7 +39,7 @@ void CommonDenseTable::create_initializer(const std::string& attr,
   }
 }
 
-int32_t CommonDenseTable::initialize() {
+int32_t CommonDenseTable::Initialize() {
   _shards_task_pool.resize(task_pool_size_);
   for (int i = 0; i < _shards_task_pool.size(); ++i) {
     _shards_task_pool[i].reset(new ::ThreadPool(1));
@@ -49,12 +49,12 @@ int32_t CommonDenseTable::initialize() {
   VLOG(1) << "table " << _config.common().table_name() << " is sync: " << sync;
   _global_lr = new float(1.0);
 
-  initialize_value();
-  initialize_optimizer();
+  InitializeValue();
+  InitializeOptimizer();
   return 0;
 }
 
-int32_t CommonDenseTable::initialize_value() {
+int32_t CommonDenseTable::InitializeValue() {
   auto common = _config.common();
   int size = static_cast<int>(common.params().size());
   values_.resize(size);
@@ -70,7 +70,7 @@ int32_t CommonDenseTable::initialize_value() {
     auto& initializer = common.initializers()[x];
     total_dim_ += dim;
 
-    create_initializer(initializer, varname);
+    CreateInitializer(initializer, varname);
     values_[x].resize(dim);
     names_index_[varname] = x;
 
@@ -92,27 +92,27 @@ int32_t CommonDenseTable::initialize_value() {
     param_col_ids_.insert(param_col_ids_.begin() + 1, -1);
   }
 
-  VLOG(1) << "CommonDenseTable::initialize_value total dim: " << total_dim_
+  VLOG(1) << "CommonDenseTable::InitializeValue total dim: " << total_dim_
           << " fixed_len_params_dim: " << fixed_len_params_dim_;
 
   pull_reservoir_ = ReservoirValue<float>(param_dim_);
   return 0;
 }
 
-int32_t CommonDenseTable::initialize_optimizer() {
+int32_t CommonDenseTable::InitializeOptimizer() {
   auto common = _config.common();
   auto name = common.name();
   auto attrs = common.attributes();
 
   if (name == "sgd") {
     optimizer_ = std::make_shared<DSGD>(common, &values_);
-    optimizer_->set_global_lr(_global_lr);
+    optimizer_->SetGlobalLR(_global_lr);
   } else if (name == "adam") {
     optimizer_ = std::make_shared<DAdam>(common, &values_);
-    optimizer_->set_global_lr(_global_lr);
+    optimizer_->SetGlobalLR(_global_lr);
   } else if (name == "adam_d2sum") {
     optimizer_ = std::make_shared<DAdamD2Sum>(common, &values_);
-    // optimizer_->set_global_lr(_global_lr);  //no use
+    // optimizer_->SetGlobalLR(_global_lr);  //no use
   } else if (name == "sum") {
     optimizer_ = std::make_shared<DSUM>(common, &values_);
   } else if (name == "summary") {
@@ -124,34 +124,34 @@ int32_t CommonDenseTable::initialize_optimizer() {
   return 0;
 }
 
-int32_t CommonDenseTable::set_global_lr(float* lr) {
+int32_t CommonDenseTable::SetGlobalLR(float* lr) {
   _global_lr = lr;
-  optimizer_->set_global_lr(_global_lr);
+  optimizer_->SetGlobalLR(_global_lr);
   return 0;
 }
 
 int32_t CommonDenseTable::Pull(TableContext& context) {
   CHECK(context.value_type == Dense);
   float* pull_values = context.pull_context.values;
-  return pull_dense(pull_values, context.num);
+  return PullDense(pull_values, context.num);
 }
 
 int32_t CommonDenseTable::Push(TableContext& context) {
   CHECK(context.value_type == Dense);
   if (context.push_context.values != nullptr) {
     const float* values = context.push_context.values;
-    return push_dense(values, context.num);
+    return PushDense(values, context.num);
   }
   return 0;
 }
 
-int32_t CommonDenseTable::pull_dense(float* pull_values, size_t num) {
+int32_t CommonDenseTable::PullDense(float* pull_values, size_t num) {
   std::copy(values_[param_idx_].begin(), values_[param_idx_].end(),
             pull_values);
   return 0;
 }
 
-int32_t CommonDenseTable::push_dense_param(const float* values, size_t num) {
+int32_t CommonDenseTable::PushDenseParam(const float* values, size_t num) {
   PADDLE_ENFORCE_GE(
       num, param_dim_,
       paddle::platform::errors::InvalidArgument(
@@ -160,14 +160,14 @@ int32_t CommonDenseTable::push_dense_param(const float* values, size_t num) {
   return 0;
 }
 
-int32_t CommonDenseTable::pour() {
+int32_t CommonDenseTable::Pour() {
   pull_reservoir_.avg();
-  _push_dense(pull_reservoir_.values.data(), pull_reservoir_.values.size());
+  _PushDense(pull_reservoir_.values.data(), pull_reservoir_.values.size());
   pull_reservoir_.reset();
   return 0;
 }
 
-int32_t CommonDenseTable::push_dense(const float* values, size_t num) {
+int32_t CommonDenseTable::PushDense(const float* values, size_t num) {
   if (sync) {
     std::future<int> task =
         _shards_task_pool[0]->enqueue([this, &values]() -> int {
@@ -176,12 +176,12 @@ int32_t CommonDenseTable::push_dense(const float* values, size_t num) {
         });
     task.wait();
   } else {
-    _push_dense(values, num);
+    _PushDense(values, num);
   }
   return 0;
 }
 
-int32_t CommonDenseTable::_push_dense(const float* values, size_t num) {
+int32_t CommonDenseTable::_PushDense(const float* values, size_t num) {
   PADDLE_ENFORCE_GE(
       num, param_dim_,
       paddle::platform::errors::InvalidArgument(
@@ -195,7 +195,7 @@ int32_t CommonDenseTable::_push_dense(const float* values, size_t num) {
         [this, shard_id, &buckets, &values]() -> int {
           auto begin = buckets[shard_id];
           auto end = buckets[shard_id + 1];
-          optimizer_->update(values, param_dim_, begin, end);
+          optimizer_->Update(values, param_dim_, begin, end);
           return 0;
         });
   }
@@ -207,12 +207,12 @@ int32_t CommonDenseTable::_push_dense(const float* values, size_t num) {
   return 0;
 }
 
-int32_t CommonDenseTable::load(const std::string& path,
+int32_t CommonDenseTable::Load(const std::string& path,
                                const std::string& param) {
   if (param_dim_ <= 0) {
     return 0;
   }
-  std::string table_path = table_dir(path);
+  std::string table_path = TableDir(path);
   auto file_list = _afs_client.list(table_path);
   std::sort(file_list.begin(), file_list.end());
   for (auto ff : file_list) {
@@ -314,7 +314,7 @@ int32_t CommonDenseTable::load(const std::string& path,
   return 0;
 }
 
-int32_t CommonDenseTable::save(const std::string& path,
+int32_t CommonDenseTable::Save(const std::string& path,
                                const std::string& param) {
   int save_param = atoi(param.c_str());
   uint32_t feasign_size;
@@ -323,10 +323,10 @@ int32_t CommonDenseTable::save(const std::string& path,
   FsChannelConfig channel_config;
   if (_config.compress_in_save()) {
     channel_config.path = paddle::string::format_string(
-        "%s/part-%03d.gz", table_dir(path).c_str(), _shard_idx);
+        "%s/part-%03d.gz", TableDir(path).c_str(), _shard_idx);
   } else {
     channel_config.path = paddle::string::format_string(
-        "%s/part-%03d", table_dir(path).c_str(), _shard_idx);
+        "%s/part-%03d", TableDir(path).c_str(), _shard_idx);
   }
   _afs_client.remove(channel_config.path);
   channel_config.converter = _value_accesor->Converter(save_param).converter;

paddle/fluid/distributed/ps/table/common_dense_table.h

@@ -34,29 +34,29 @@ class CommonDenseTable : public DenseTable {
  public:
   CommonDenseTable() {}
   virtual ~CommonDenseTable() {}
-  int32_t initialize() override;
-  int32_t initialize_shard() override { return 0; }
-  virtual void create_initializer(const std::string& attr,
-                                  const std::string& name);
-  virtual int32_t initialize_value();
-  virtual int32_t initialize_optimizer();
+  int32_t Initialize() override;
+  int32_t InitializeShard() override { return 0; }
+  virtual void CreateInitializer(const std::string& attr,
+                                 const std::string& name);
+  virtual int32_t InitializeValue();
+  virtual int32_t InitializeOptimizer();
   virtual int32_t Pull(TableContext& context);
   virtual int32_t Push(TableContext& context);
-  int32_t pull_dense(float* pull_values, size_t num) override;
-  int32_t push_dense_param(const float* values, size_t num) override;
-  int32_t push_dense(const float* values, size_t num) override;
-  int32_t pour() override;
-  int32_t set_global_lr(float* lr) override;
+  int32_t PullDense(float* pull_values, size_t num) override;
+  int32_t PushDenseParam(const float* values, size_t num) override;
+  int32_t PushDense(const float* values, size_t num) override;
+  int32_t Pour() override;
+  int32_t SetGlobalLR(float* lr) override;
 
-  int32_t load(const std::string& path, const std::string& param) override;
-  int32_t save(const std::string& path, const std::string& param) override;
+  int32_t Load(const std::string& path, const std::string& param) override;
+  int32_t Save(const std::string& path, const std::string& param) override;
 
-  int32_t flush() override { return 0; }
-  int32_t shrink(const std::string& param) override { return 0; }
-  void clear() override { return; }
+  int32_t Flush() override { return 0; }
+  int32_t Shrink(const std::string& param) override { return 0; }
+  void Clear() override { return; }
 
  protected:
-  int32_t _push_dense(const float* values, size_t num);
+  int32_t _PushDense(const float* values, size_t num);
 
  private:
   const int task_pool_size_ = 10;

paddle/fluid/distributed/ps/table/common_graph_table.cc

@@ -448,7 +448,7 @@ int32_t GraphTable::load_graph_split_config(const std::string &path) {
   return 0;
 }
 
-int32_t GraphTable::load(const std::string &path, const std::string &param) {
+int32_t GraphTable::Load(const std::string &path, const std::string &param) {
   bool load_edge = (param[0] == 'e');
   bool load_node = (param[0] == 'n');
   if (load_edge) {
@@ -1066,11 +1066,11 @@ int32_t GraphTable::pull_graph_list(int start, int total_size,
 int32_t GraphTable::get_server_index_by_id(int64_t id) {
   return id % shard_num / shard_num_per_server;
 }
-int32_t GraphTable::initialize(const TableParameter &config,
+int32_t GraphTable::Initialize(const TableParameter &config,
                                const FsClientParameter &fs_config) {
   LOG(INFO) << "in graphTable initialize";
   _config = config;
-  if (initialize_accessor() != 0) {
+  if (InitializeAccessor() != 0) {
     LOG(WARNING) << "Table accessor initialize failed";
     return -1;
   }
@@ -1082,9 +1082,9 @@ int32_t GraphTable::initialize(const TableParameter &config,
   auto graph = config.graph_parameter();
   shard_num = _config.shard_num();
   LOG(INFO) << "in graphTable initialize over";
-  return initialize(graph);
+  return Initialize(graph);
 }
-int32_t GraphTable::initialize(const GraphParameter &graph) {
+int32_t GraphTable::Initialize(const GraphParameter &graph) {
 #ifdef PADDLE_WITH_HETERPS
   if (graph.gpups_mode()) {
     gpups_mode = true;

paddle/fluid/distributed/ps/table/common_graph_table.h

@@ -280,7 +280,7 @@ class ScaledLRU {
           }
         }
         auto status =
-            thread_pool->enqueue([this]() -> int { return shrink(); });
+            thread_pool->enqueue([this]() -> int { return Shrink(); });
         status.wait();
       }
     });
@@ -298,7 +298,7 @@ class ScaledLRU {
   LRUResponse insert(size_t index, K *keys, V *data, size_t length) {
     return lru_pool[index].insert(keys, data, length);
   }
-  int shrink() {
+  int Shrink() {
     int node_size = 0;
     for (size_t i = 0; i < lru_pool.size(); i++) {
       node_size += lru_pool[i].node_size - lru_pool[i].remove_count;
@@ -329,7 +329,7 @@ class ScaledLRU {
     if (diff != 0) {
       __sync_fetch_and_add(&global_count, diff);
       if (global_count > int(1.25 * size_limit)) {
-        thread_pool->enqueue([this]() -> int { return shrink(); });
+        thread_pool->enqueue([this]() -> int { return Shrink(); });
       }
     }
   }
@@ -430,11 +430,11 @@ class GraphTable : public SparseTable {
 
   virtual int32_t get_nodes_ids_by_ranges(
       std::vector<std::pair<int, int>> ranges, std::vector<int64_t> &res);
-  virtual int32_t initialize() { return 0; }
-  virtual int32_t initialize(const TableParameter &config,
+  virtual int32_t Initialize() { return 0; }
+  virtual int32_t Initialize(const TableParameter &config,
                              const FsClientParameter &fs_config);
-  virtual int32_t initialize(const GraphParameter &config);
-  int32_t load(const std::string &path, const std::string &param);
+  virtual int32_t Initialize(const GraphParameter &config);
+  int32_t Load(const std::string &path, const std::string &param);
   int32_t load_graph_split_config(const std::string &path);
 
   int32_t load_edges(const std::string &path, bool reverse);
@@ -452,26 +452,25 @@ class GraphTable : public SparseTable {
   virtual int32_t Pull(TableContext &context) { return 0; }
   virtual int32_t Push(TableContext &context) { return 0; }
 
-  virtual int32_t pull_sparse(float *values,
-                              const PullSparseValue &pull_value) {
+  virtual int32_t PullSparse(float *values, const PullSparseValue &pull_value) {
     return 0;
   }
 
-  virtual int32_t push_sparse(const uint64_t *keys, const float *values,
-                              size_t num) {
+  virtual int32_t PushSparse(const uint64_t *keys, const float *values,
+                             size_t num) {
     return 0;
   }
 
   virtual int32_t clear_nodes();
-  virtual void clear() {}
-  virtual int32_t flush() { return 0; }
-  virtual int32_t shrink(const std::string &param) { return 0; }
+  virtual void Clear() {}
+  virtual int32_t Flush() { return 0; }
+  virtual int32_t Shrink(const std::string &param) { return 0; }
   //指定保存路径
-  virtual int32_t save(const std::string &path, const std::string &converter) {
+  virtual int32_t Save(const std::string &path, const std::string &converter) {
     return 0;
   }
-  virtual int32_t initialize_shard() { return 0; }
-  virtual int32_t set_shard(size_t shard_idx, size_t server_num) {
+  virtual int32_t InitializeShard() { return 0; }
+  virtual int32_t SetShard(size_t shard_idx, size_t server_num) {
     _shard_idx = shard_idx;
     /*
     _shard_num is not used in graph_table, this following operation is for the

paddle/fluid/distributed/ps/table/common_sparse_table.cc

@@ -167,7 +167,7 @@ int64_t CommonSparseTable::LoadFromText(
   return 0;
 }
 
-int32_t CommonSparseTable::initialize() {
+int32_t CommonSparseTable::Initialize() {
   _shards_task_pool.resize(task_pool_size_);
   for (int i = 0; i < _shards_task_pool.size(); ++i) {
     _shards_task_pool[i].reset(new ::ThreadPool(1));
@@ -200,15 +200,15 @@ int32_t CommonSparseTable::initialize() {
     offset += dim;
   }
 
-  initialize_value();
-  initialize_optimizer();
-  initialize_recorder();
+  InitializeValue();
+  InitializeOptimizer();
+  InitializeRecorder();
   return 0;
 }
 
-int32_t CommonSparseTable::initialize_recorder() { return 0; }
+int32_t CommonSparseTable::InitializeRecorder() { return 0; }
 
-int32_t CommonSparseTable::initialize_value() {
+int32_t CommonSparseTable::InitializeValue() {
   auto common = _config.common();
   shard_values_.reserve(task_pool_size_);
 
@@ -223,18 +223,18 @@ int32_t CommonSparseTable::initialize_value() {
   return 0;
 }
 
-int32_t CommonSparseTable::initialize_optimizer() {
+int32_t CommonSparseTable::InitializeOptimizer() {
   auto common = _config.common();
   auto name = common.name();
 
   if (name == "sgd") {
     optimizer_ = std::make_shared<SSGD>(value_names_, value_dims_,
                                         value_offsets_, value_idx_);
-    optimizer_->set_global_lr(_global_lr);
+    optimizer_->SetGlobalLR(_global_lr);
   } else if (name == "adam") {
     optimizer_ = std::make_shared<SAdam>(value_names_, value_dims_,
                                          value_offsets_, value_idx_);
-    optimizer_->set_global_lr(_global_lr);
+    optimizer_->SetGlobalLR(_global_lr);
   } else if (name == "sum") {
     optimizer_ = std::make_shared<SSUM>(value_names_, value_dims_,
                                         value_offsets_, value_idx_);
@@ -246,13 +246,13 @@ int32_t CommonSparseTable::initialize_optimizer() {
   return 0;
 }
 
-int32_t CommonSparseTable::set_global_lr(float* lr) {
+int32_t CommonSparseTable::SetGlobalLR(float* lr) {
   _global_lr = lr;
-  optimizer_->set_global_lr(_global_lr);
+  optimizer_->SetGlobalLR(_global_lr);
   return 0;
 }
 
-int32_t CommonSparseTable::load(const std::string& dirname,
+int32_t CommonSparseTable::Load(const std::string& dirname,
                                 const std::string& param) {
   auto begin = GetCurrentUS();
   rwlock_->WRLock();
@@ -276,7 +276,7 @@ int32_t CommonSparseTable::load(const std::string& dirname,
   return 0;
 }
 
-int32_t CommonSparseTable::save(const std::string& dirname,
+int32_t CommonSparseTable::Save(const std::string& dirname,
                                 const std::string& param) {
   auto begin = GetCurrentUS();
   rwlock_->WRLock();
@@ -322,7 +322,7 @@ int32_t CommonSparseTable::save(const std::string& dirname,
   return 0;
 }
 
-std::pair<int64_t, int64_t> CommonSparseTable::print_table_stat() {
+std::pair<int64_t, int64_t> CommonSparseTable::PrintTableStat() {
   int64_t feasign_size = 0;
   int64_t mf_size = 0;
 
@@ -335,7 +335,7 @@ std::pair<int64_t, int64_t> CommonSparseTable::print_table_stat() {
   return {feasign_size, mf_size};
 }
 
-int32_t CommonSparseTable::pour() {
+int32_t CommonSparseTable::Pour() {
   std::vector<float> values;
   std::vector<uint64_t> keys;
 
@@ -349,7 +349,7 @@ int32_t CommonSparseTable::pour() {
     std::copy(reservoir.values.begin(), reservoir.values.end(),
               std::back_inserter(values));
   }
-  _push_sparse(keys.data(), values.data(), pull_reservoir_.size());
+  _PushSparse(keys.data(), values.data(), pull_reservoir_.size());
 
   pull_reservoir_.clear();
   return 0;
@@ -360,11 +360,11 @@ int32_t CommonSparseTable::Pull(TableContext& context) {
   if (context.use_ptr) {
     char** pull_values = context.pull_context.ptr_values;
     const uint64_t* keys = context.pull_context.keys;
-    return pull_sparse_ptr(pull_values, keys, context.num);
+    return PullSparsePtr(pull_values, keys, context.num);
   } else {
     float* pull_values = context.pull_context.values;
     const PullSparseValue& pull_value = context.pull_context.pull_value;
-    return pull_sparse(pull_values, pull_value);
+    return PullSparse(pull_values, pull_value);
   }
 }
 
@@ -373,16 +373,16 @@ int32_t CommonSparseTable::Push(TableContext& context) {
   if (context.push_context.values != nullptr) {
     const float* values = context.push_context.values;
     const uint64_t* keys = context.push_context.keys;
-    return push_sparse(keys, values, context.num);
+    return PushSparse(keys, values, context.num);
   } else {
     const float** values = context.push_context.ptr_values;
     const uint64_t* keys = context.push_context.keys;
-    return push_sparse(keys, values, context.num);
+    return PushSparse(keys, values, context.num);
   }
 }
 
-int32_t CommonSparseTable::pull_sparse(float* pull_values,
-                                       const PullSparseValue& pull_value) {
+int32_t CommonSparseTable::PullSparse(float* pull_values,
+                                      const PullSparseValue& pull_value) {
   auto shard_num = task_pool_size_;
   std::vector<std::future<int>> tasks(shard_num);
 
@@ -421,8 +421,8 @@ int32_t CommonSparseTable::pull_sparse(float* pull_values,
   return 0;
 }
 
-int32_t CommonSparseTable::pull_sparse_ptr(char** pull_values,
-                                           const uint64_t* keys, size_t num) {
+int32_t CommonSparseTable::PullSparsePtr(char** pull_values,
+                                         const uint64_t* keys, size_t num) {
   std::vector<std::vector<uint64_t>> offset_bucket;
   offset_bucket.resize(task_pool_size_);
 
@@ -458,8 +458,8 @@ int32_t CommonSparseTable::pull_sparse_ptr(char** pull_values,
   return 0;
 }
 
-int32_t CommonSparseTable::_push_sparse(const uint64_t* keys,
-                                        const float* values, size_t num) {
+int32_t CommonSparseTable::_PushSparse(const uint64_t* keys,
+                                       const float* values, size_t num) {
   std::vector<std::vector<uint64_t>> offset_bucket;
   offset_bucket.resize(task_pool_size_);
 
@@ -474,7 +474,7 @@ int32_t CommonSparseTable::_push_sparse(const uint64_t* keys,
     tasks[shard_id] = _shards_task_pool[shard_id]->enqueue(
         [this, shard_id, &keys, &values, num, &offset_bucket]() -> int {
           auto& offsets = offset_bucket[shard_id];
-          optimizer_->update(keys, values, num, offsets,
+          optimizer_->Update(keys, values, num, offsets,
                              shard_values_[shard_id].get());
           return 0;
         });
@@ -486,8 +486,8 @@ int32_t CommonSparseTable::_push_sparse(const uint64_t* keys,
   return 0;
 }
 
-int32_t CommonSparseTable::push_sparse(const uint64_t* keys,
-                                       const float* values, size_t num) {
+int32_t CommonSparseTable::PushSparse(const uint64_t* keys, const float* values,
+                                      size_t num) {
   if (sync) {
     std::future<int> task =
         _shards_task_pool[0]->enqueue([this, &keys, &values, num]() -> int {
@@ -506,20 +506,20 @@ int32_t CommonSparseTable::push_sparse(const uint64_t* keys,
         });
     task.wait();
   } else {
-    _push_sparse(keys, values, num);
+    _PushSparse(keys, values, num);
   }
 
   return 0;
 }
 
-int32_t CommonSparseTable::push_sparse(const uint64_t* keys,
-                                       const float** values, size_t num) {
-  _push_sparse(keys, values, num);
+int32_t CommonSparseTable::PushSparse(const uint64_t* keys,
+                                      const float** values, size_t num) {
+  _PushSparse(keys, values, num);
   return 0;
 }
 
-int32_t CommonSparseTable::_push_sparse(const uint64_t* keys,
-                                        const float** values, size_t num) {
+int32_t CommonSparseTable::_PushSparse(const uint64_t* keys,
+                                       const float** values, size_t num) {
   std::vector<std::vector<uint64_t>> offset_bucket;
   offset_bucket.resize(task_pool_size_);
 
@@ -536,7 +536,7 @@ int32_t CommonSparseTable::_push_sparse(const uint64_t* keys,
           auto& offsets = offset_bucket[shard_id];
           for (size_t i = 0; i < offsets.size(); ++i) {
             std::vector<uint64_t> tmp_off = {0};
-            optimizer_->update(keys + offsets[i], values[offsets[i]], num,
+            optimizer_->Update(keys + offsets[i], values[offsets[i]], num,
                                tmp_off, shard_values_[shard_id].get());
           }
           return 0;
@@ -549,8 +549,8 @@ int32_t CommonSparseTable::_push_sparse(const uint64_t* keys,
   return 0;
 }
 
-int32_t CommonSparseTable::push_sparse_param(const uint64_t* keys,
-                                             const float* values, size_t num) {
+int32_t CommonSparseTable::PushSparseParam(const uint64_t* keys,
+                                           const float* values, size_t num) {
   std::vector<std::vector<uint64_t>> offset_bucket;
   offset_bucket.resize(task_pool_size_);
 
@@ -585,21 +585,21 @@ int32_t CommonSparseTable::push_sparse_param(const uint64_t* keys,
   return 0;
 }
 
-int32_t CommonSparseTable::flush() { return 0; }
+int32_t CommonSparseTable::Flush() { return 0; }
 
-int32_t CommonSparseTable::shrink(const std::string& param) {
+int32_t CommonSparseTable::Shrink(const std::string& param) {
   int threshold = std::stoi(param);
-  VLOG(3) << "sparse table shrink: " << threshold;
+  VLOG(3) << "sparse table Shrink: " << threshold;
 
   for (int shard_id = 0; shard_id < task_pool_size_; ++shard_id) {
-    // shrink
-    VLOG(4) << shard_id << " " << task_pool_size_ << " begin shrink";
+    // Shrink
+    VLOG(4) << shard_id << " " << task_pool_size_ << " begin Shrink";
     shard_values_[shard_id]->Shrink(threshold);
   }
   return 0;
 }
 
-void CommonSparseTable::clear() { VLOG(0) << "clear coming soon"; }
+void CommonSparseTable::Clear() { VLOG(0) << "clear coming soon"; }
 
 }  // namespace distributed
 }  // namespace paddle

paddle/fluid/distributed/ps/table/common_sparse_table.h

@@ -114,25 +114,23 @@ class CommonSparseTable : public SparseTable {
   virtual ~CommonSparseTable() {}
 
   // unused method begin
-  virtual int32_t pull_dense(float* pull_values, size_t num) { return 0; }
-  virtual int32_t push_dense_param(const float* values, size_t num) {
-    return 0;
-  }
-  virtual int32_t push_dense(const float* values, size_t num) { return 0; }
+  virtual int32_t PullDense(float* pull_values, size_t num) { return 0; }
+  virtual int32_t PushDenseParam(const float* values, size_t num) { return 0; }
+  virtual int32_t PushDense(const float* values, size_t num) { return 0; }
   // unused method end
 
   virtual int32_t Pull(TableContext& context);
   virtual int32_t Push(TableContext& context);
 
-  virtual int32_t initialize();
-  virtual int32_t initialize_shard() { return 0; }
-  virtual int32_t initialize_value();
-  virtual int32_t initialize_optimizer();
-  virtual int32_t initialize_recorder();
+  virtual int32_t Initialize();
+  virtual int32_t InitializeShard() { return 0; }
+  virtual int32_t InitializeValue();
+  virtual int32_t InitializeOptimizer();
+  virtual int32_t InitializeRecorder();
 
-  virtual int32_t load(const std::string& path, const std::string& param);
+  virtual int32_t Load(const std::string& path, const std::string& param);
 
-  virtual int32_t save(const std::string& path, const std::string& param);
+  virtual int32_t Save(const std::string& path, const std::string& param);
 
   void SaveMetaToText(std::ostream* os, const CommonAccessorParameter& common,
                       const size_t shard_idx, const int64_t total);
@@ -150,34 +148,34 @@ class CommonSparseTable : public SparseTable {
       const int pserver_id, const int pserver_num, const int local_shard_num,
       std::vector<std::shared_ptr<ValueBlock>>* blocks);
 
-  virtual std::pair<int64_t, int64_t> print_table_stat();
-  virtual int32_t pull_sparse(float* values, const PullSparseValue& pull_value);
+  virtual std::pair<int64_t, int64_t> PrintTableStat();
+  virtual int32_t PullSparse(float* values, const PullSparseValue& pull_value);
 
-  virtual int32_t pull_sparse_ptr(char** pull_values, const uint64_t* keys,
-                                  size_t num);
+  virtual int32_t PullSparsePtr(char** pull_values, const uint64_t* keys,
+                                size_t num);
 
-  virtual int32_t push_sparse(const uint64_t* keys, const float* values,
-                              size_t num);
+  virtual int32_t PushSparse(const uint64_t* keys, const float* values,
+                             size_t num);
 
-  virtual int32_t push_sparse(const uint64_t* keys, const float** values,
-                              size_t num);
+  virtual int32_t PushSparse(const uint64_t* keys, const float** values,
+                             size_t num);
 
   // only for sparse geo table
-  virtual int32_t push_sparse_param(const uint64_t* keys, const float* values,
-                                    size_t num);
+  virtual int32_t PushSparseParam(const uint64_t* keys, const float* values,
+                                  size_t num);
 
-  virtual int32_t set_global_lr(float* lr) override;
+  virtual int32_t SetGlobalLR(float* lr) override;
 
-  virtual int32_t pour();
-  virtual int32_t flush();
-  virtual int32_t shrink(const std::string& param);
-  virtual void clear();
+  virtual int32_t Pour();
+  virtual int32_t Flush();
+  virtual int32_t Shrink(const std::string& param);
+  virtual void Clear();
 
  protected:
-  virtual int32_t _push_sparse(const uint64_t* keys, const float* values,
-                               size_t num);
-  virtual int32_t _push_sparse(const uint64_t* keys, const float** values,
-                               size_t num);
+  virtual int32_t _PushSparse(const uint64_t* keys, const float* values,
+                              size_t num);
+  virtual int32_t _PushSparse(const uint64_t* keys, const float** values,
+                              size_t num);
 
  protected:
   const int task_pool_size_ = 11;

paddle/fluid/distributed/ps/table/common_table.h

@@ -71,11 +71,11 @@ class SparseTable : public Table {
   SparseTable() {}
   virtual ~SparseTable() {}
 
-  virtual void *get_shard(size_t shard_idx) { return 0; }
+  virtual void *GetShard(size_t shard_idx) { return 0; }
 
-  int32_t pull_dense(float *values, size_t num) override { return 0; }
+  int32_t PullDense(float *values, size_t num) override { return 0; }
 
-  int32_t push_dense(const float *values, size_t num) override { return 0; }
+  int32_t PushDense(const float *values, size_t num) override { return 0; }
 
   static int32_t sparse_local_shard_num(uint32_t shard_num,
                                         uint32_t server_num) {
@@ -97,19 +97,17 @@ class DenseTable : public Table {
   DenseTable() {}
   virtual ~DenseTable() {}
 
-  virtual void *get_shard(size_t shard_idx) { return 0; }
-  int32_t pull_sparse(float *values,
-                      const PullSparseValue &pull_value) override {
+  virtual void *GetShard(size_t shard_idx) { return 0; }
+  int32_t PullSparse(float *values,
+                     const PullSparseValue &pull_value) override {
     return 0;
   }
-  int32_t push_sparse(const uint64_t *keys, const float *values,
-                      size_t num) override {
+  int32_t PushSparse(const uint64_t *keys, const float *values,
+                     size_t num) override {
     return 0;
   }
-  int32_t push_dense_param(const float *values, size_t num) override {
-    return 0;
-  }
-  int32_t shrink(const std::string &param) override { return 0; }
+  int32_t PushDenseParam(const float *values, size_t num) override { return 0; }
+  int32_t Shrink(const std::string &param) override { return 0; }
 };
 
 class BarrierTable : public Table {
@@ -117,44 +115,42 @@ class BarrierTable : public Table {
   BarrierTable() {}
   virtual ~BarrierTable() {}
 
-  virtual void *get_shard(size_t shard_idx) { return 0; }
+  virtual void *GetShard(size_t shard_idx) { return 0; }
 
   virtual int32_t Pull(TableContext &context) { return 0; }
   virtual int32_t Push(TableContext &context) { return 0; }
 
-  int32_t pull_dense(float *values, size_t num) override { return 0; }
+  int32_t PullDense(float *values, size_t num) override { return 0; }
 
-  int32_t push_dense(const float *values, size_t num) override { return 0; }
+  int32_t PushDense(const float *values, size_t num) override { return 0; }
 
-  int32_t pull_sparse(float *values,
-                      const PullSparseValue &pull_value) override {
-    return 0;
-  }
-  int32_t push_sparse(const uint64_t *keys, const float *values,
-                      size_t num) override {
+  int32_t PullSparse(float *values,
+                     const PullSparseValue &pull_value) override {
     return 0;
   }
-  int32_t push_dense_param(const float *values, size_t num) override {
+  int32_t PushSparse(const uint64_t *keys, const float *values,
+                     size_t num) override {
     return 0;
   }
-  int32_t shrink(const std::string &param) override { return 0; }
-  virtual void clear() {}
-  virtual int32_t flush() { return 0; }
-  virtual int32_t load(const std::string &path, const std::string &param) {
+  int32_t PushDenseParam(const float *values, size_t num) override { return 0; }
+  int32_t Shrink(const std::string &param) override { return 0; }
+  virtual void Clear() {}
+  virtual int32_t Flush() { return 0; }
+  virtual int32_t Load(const std::string &path, const std::string &param) {
     return 0;
   }
-  virtual int32_t save(const std::string &path, const std::string &param) {
+  virtual int32_t Save(const std::string &path, const std::string &param) {
     return 0;
   }
-  virtual int32_t initialize_shard() { return 0; }
+  virtual int32_t InitializeShard() { return 0; }
 
-  virtual int32_t initialize() override;
+  virtual int32_t Initialize() override;
   // only for barrier
   // 0: send_barrier 1: recv_barrier 2: complete
-  virtual int32_t barrier(const uint32_t trainer_id,
+  virtual int32_t Barrier(const uint32_t trainer_id,
                           const std::string barrier_type) override;
 
-  virtual int32_t set_table_map(
+  virtual int32_t SetTableMap(
       std::unordered_map<uint32_t, std::shared_ptr<Table>> *table_map) override;
 
  private:

paddle/fluid/distributed/ps/table/depends/dense.h

@@ -34,9 +34,9 @@ class DenseOptimizer {
   DenseOptimizer() {}
   explicit DenseOptimizer(const CommonAccessorParameter& accessor,
                           std::vector<std::vector<float>>* values) {}
-  virtual void update(const float* update_values, size_t num, int begin,
+  virtual void Update(const float* update_values, size_t num, int begin,
                       int end) = 0;
-  virtual void set_global_lr(float* lr) { global_learning_rate_ = lr; }
+  virtual void SetGlobalLR(float* lr) { global_learning_rate_ = lr; }
 
  protected:
   float* global_learning_rate_;
@@ -55,7 +55,7 @@ class DSUM : public DenseOptimizer {
     }
   }
 
-  void update(const float* update_values, size_t num, int begin,
+  void Update(const float* update_values, size_t num, int begin,
               int end) override {
     auto update_numel = end - begin;
     GetBlas<float>().VADD(update_numel, update_values + begin, param + begin,
@@ -81,7 +81,7 @@ class DSGD : public DenseOptimizer {
     }
   }
 
-  void update(const float* update_values, size_t num, int begin,
+  void Update(const float* update_values, size_t num, int begin,
               int end) override {
     auto update_numel = end - begin;
     std::vector<float> grads;
@@ -134,7 +134,7 @@ class DAdam : public DenseOptimizer {
 
   // make sure common_dense_table.task_pool_size_ == 1;
   // otherwise, task_pool_size_ times beta1_pow/beta2_pow multiplication
-  void update(const float* update_values, size_t num, int begin,
+  void Update(const float* update_values, size_t num, int begin,
               int end) override {
     auto update_numel = end - begin;
     std::vector<float> grad, grad2, tmp;
@@ -214,7 +214,7 @@ class DAdamD2Sum : public DenseOptimizer {
     }
   }
 
-  void update(const float* update_values, size_t num, int begin,
+  void Update(const float* update_values, size_t num, int begin,
               int end) override {
     auto update_numel = end - begin;
     Eigen::Map<Eigen::MatrixXf> mat_ada_g2sum(ada_g2sum + begin, 1,
@@ -276,7 +276,7 @@ class DSummary : public DenseOptimizer {
     }
   }
 
-  void update(const float* update_values, size_t num, int begin,
+  void Update(const float* update_values, size_t num, int begin,
               int end) override {
     auto update_numel = end - begin;
     Eigen::Map<Eigen::MatrixXf> mat_w(param + begin, 1, update_numel);

paddle/fluid/distributed/ps/table/depends/sparse.h

@@ -40,11 +40,11 @@ class SparseOptimizer {
         value_offsets_(value_offsets),
         value_idx_(value_idx) {}
 
-  virtual void update(const uint64_t* keys, const float* update_values,
+  virtual void Update(const uint64_t* keys, const float* update_values,
                       size_t num, const std::vector<uint64_t>& offsets,
                       ValueBlock* block) = 0;
 
-  virtual void set_global_lr(float* lr) { global_learning_rate_ = lr; }
+  virtual void SetGlobalLR(float* lr) { global_learning_rate_ = lr; }
 
   const std::vector<std::string>& value_names_;
   const std::vector<int>& value_dims_;
@@ -70,7 +70,7 @@ class SSUM : public SparseOptimizer {
     update_numel = value_dims.at(idx);
   }
 
-  void update(const uint64_t* keys, const float* update_values, size_t num,
+  void Update(const uint64_t* keys, const float* update_values, size_t num,
               const std::vector<uint64_t>& offsets,
               ValueBlock* block) override {
     auto blas = GetBlas<float>();
@@ -100,7 +100,7 @@ class SSGD : public SparseOptimizer {
     lr_offset = value_offsets.at(idx);
   }
 
-  void update(const uint64_t* keys, const float* update_values, size_t num,
+  void Update(const uint64_t* keys, const float* update_values, size_t num,
               const std::vector<uint64_t>& offsets,
               ValueBlock* block) override {
     auto blas = GetBlas<float>();
@@ -156,7 +156,7 @@ class SAdam : public SparseOptimizer {
     epsilon = 1.0e-8;
   }
 
-  void update(const uint64_t* keys, const float* update_values, size_t num,
+  void Update(const uint64_t* keys, const float* update_values, size_t num,
               const std::vector<uint64_t>& offsets,
               ValueBlock* block) override {
     auto blas = GetBlas<float>();

paddle/fluid/distributed/ps/table/memory_sparse_geo_table.cc

@@ -17,11 +17,10 @@
 namespace paddle {
 namespace distributed {
 
-int32_t MemorySparseGeoTable::push_sparse_param(const uint64_t* keys,
-                                                const float* values,
-                                                size_t num) {
-  VLOG(5) << "DEBUG MemorySparseGeoTable::push_sparse_param begin "
-             "push_sparse_param "
+int32_t MemorySparseGeoTable::PushSparseParam(const uint64_t* keys,
+                                              const float* values, size_t num) {
+  VLOG(5) << "DEBUG MemorySparseGeoTable::PushSparseParam begin "
+             "PushSparseParam "
           << num;
   auto shard_num = _task_pool_size;
   std::vector<std::vector<uint64_t>> offset_bucket;
@@ -31,8 +30,8 @@ int32_t MemorySparseGeoTable::push_sparse_param(const uint64_t* keys,
     auto y = keys[x] % shard_num;
     offset_bucket[y].push_back(x);
     if (x < 10) {
-      VLOG(5) << "DEBUG MemorySparseGeoTable::push_sparse_param key: "
-              << keys[x] << " shard: " << y;
+      VLOG(5) << "DEBUG MemorySparseGeoTable::PushSparseParam key: " << keys[x]
+              << " shard: " << y;
     }
   }
 
@@ -51,8 +50,8 @@ int32_t MemorySparseGeoTable::push_sparse_param(const uint64_t* keys,
             feature_value.resize(_dim);
             std::copy_n(values + _dim * offset, _dim, feature_value.data());
             if (i < 10) {
-              VLOG(5) << "MemorySparseGeoTable::push_sparse_param "
-                         "push_sparse_param key "
+              VLOG(5) << "MemorySparseGeoTable::PushSparseParam "
+                         "PushSparseParam key "
                       << id << " value[0]: " << (values + _dim * offset)[0]
                       << " data: " << feature_value.data()[0]
                       << " value[-1]: " << (values + _dim * offset)[_dim - 1]
@@ -69,9 +68,9 @@ int32_t MemorySparseGeoTable::push_sparse_param(const uint64_t* keys,
   return 0;
 }
 
-int32_t MemorySparseGeoTable::pull_geo_param(const uint32_t trainer_id,
-                                             std::vector<float>* values,
-                                             std::vector<uint64_t>* ids) {
+int32_t MemorySparseGeoTable::PullGeoParam(const uint32_t trainer_id,
+                                           std::vector<float>* values,
+                                           std::vector<uint64_t>* ids) {
   _geo_recorder->GetAndClear(trainer_id, ids);
   VLOG(5)
       << "DEBUG MemorySparseGeoTable::pull_geo_param pull_geo_param trainer_id "
@@ -86,23 +85,23 @@ int32_t MemorySparseGeoTable::pull_geo_param(const uint32_t trainer_id,
   pull_value.frequencies_ = frequencies.data();
 
   values->resize(ids->size() * _dim);
-  pull_sparse(values->data(), pull_value);
+  PullSparse(values->data(), pull_value);
   return 0;
 }
 
-int32_t MemorySparseGeoTable::push_sparse(const uint64_t* keys,
-                                          const float* values, size_t num) {
-  VLOG(5) << "DEBUG MemorySparseGeoTable::push_sparse keys[0]" << keys[0]
+int32_t MemorySparseGeoTable::PushSparse(const uint64_t* keys,
+                                         const float* values, size_t num) {
+  VLOG(5) << "DEBUG MemorySparseGeoTable::PushSparse keys[0]" << keys[0]
           << " key_num: " << num;
   std::vector<uint64_t> ids;
   ids.resize(num);
   std::copy_n(keys, num, ids.begin());
   _geo_recorder->Update(ids);
-  _push_sparse(keys, values, num);
+  _PushSparse(keys, values, num);
   return 0;
 }
 
-int32_t MemorySparseGeoTable::initialize() {
+int32_t MemorySparseGeoTable::Initialize() {
   if (!_geo_recorder) {
     auto trainers = _config.common().trainer_num();
     _geo_recorder = std::make_shared<GeoRecorder>(trainers);
@@ -118,8 +117,8 @@ int32_t MemorySparseGeoTable::initialize() {
   return 0;
 }
 
-int32_t MemorySparseGeoTable::pull_sparse(float* pull_values,
-                                          const PullSparseValue& pull_value) {
+int32_t MemorySparseGeoTable::PullSparse(float* pull_values,
+                                         const PullSparseValue& pull_value) {
   auto shard_num = _task_pool_size;
   std::vector<std::future<int>> tasks(shard_num);
 
@@ -146,13 +145,13 @@ int32_t MemorySparseGeoTable::pull_sparse(float* pull_values,
               auto& feature_value = local_shard[key];
               feature_value.resize(_dim);
               memset(feature_value.data(), 0, sizeof(float) * _dim);
-              VLOG(0) << "MemorySparseGeoTable pull_sparse key not found!!! "
+              VLOG(0) << "MemorySparseGeoTable PullSparse key not found!!! "
                       << key;
               itr = local_shard.find(key);
             }
             memcpy(select_data, itr.value().data(), _dim * sizeof(float));
 
-            VLOG(5) << "DEBUG MemorySparseGeoTable::pull_sparse key: " << key
+            VLOG(5) << "DEBUG MemorySparseGeoTable::PullSparse key: " << key
                     << " select_data[0] " << select_data[0]
                     << " value[0]: " << itr.value().data()[0];
           }
@@ -167,8 +166,8 @@ int32_t MemorySparseGeoTable::pull_sparse(float* pull_values,
   return 0;
 }
 
-int32_t MemorySparseGeoTable::_push_sparse(const uint64_t* keys,
-                                           const float* values, size_t num) {
+int32_t MemorySparseGeoTable::_PushSparse(const uint64_t* keys,
+                                          const float* values, size_t num) {
   auto shard_num = _task_pool_size;
   std::vector<std::future<int>> tasks(shard_num);
   std::vector<std::vector<std::pair<uint64_t, int>>> task_keys(shard_num);

paddle/fluid/distributed/ps/table/memory_sparse_geo_table.h

@@ -40,31 +40,31 @@ class MemorySparseGeoTable : public SparseTable {
   MemorySparseGeoTable() { _geo_recorder = nullptr; }
   virtual ~MemorySparseGeoTable() {}
 
-  virtual int32_t initialize();
-  virtual int32_t initialize_shard() { return 0; }
-  virtual int32_t load(const std::string& path, const std::string& param) {
+  virtual int32_t Initialize();
+  virtual int32_t InitializeShard() { return 0; }
+  virtual int32_t Load(const std::string& path, const std::string& param) {
     return 0;
   }
-  virtual int32_t save(const std::string& path, const std::string& param) {
+  virtual int32_t Save(const std::string& path, const std::string& param) {
     return 0;
   }
   virtual int32_t Pull(TableContext& context) { return 0; }
   virtual int32_t Push(TableContext& context) { return 0; }
-  virtual int32_t flush() { return 0; }
-  virtual int32_t shrink(const std::string& param) { return 0; }
-  virtual void clear() { return; }
-  virtual int32_t pull_sparse(float* values, const PullSparseValue& pull_value);
+  virtual int32_t Flush() { return 0; }
+  virtual int32_t Shrink(const std::string& param) { return 0; }
+  virtual void Clear() { return; }
+  virtual int32_t PullSparse(float* values, const PullSparseValue& pull_value);
 
-  int32_t push_sparse_param(const uint64_t* keys, const float* values,
-                            size_t num);
+  int32_t PushSparseParam(const uint64_t* keys, const float* values,
+                          size_t num);
   // TODO(zhaocaibei123): change to pull_sparse, and rename pull_sparse
-  int32_t pull_geo_param(const uint32_t trainer_id, std::vector<float>* values,
-                         std::vector<uint64_t>* keys);
+  int32_t PullGeoParam(const uint32_t trainer_id, std::vector<float>* values,
+                       std::vector<uint64_t>* keys);
 
-  int32_t push_sparse(const uint64_t* keys, const float* values,
-                      size_t num) override;
+  int32_t PushSparse(const uint64_t* keys, const float* values,
+                     size_t num) override;
 
-  int32_t _push_sparse(const uint64_t* keys, const float* values, size_t num);
+  int32_t _PushSparse(const uint64_t* keys, const float* values, size_t num);
   // int32_t _pull_sparse(float* pull_values, const PullSparseValue&
   // pull_value);
 

paddle/fluid/distributed/ps/table/memory_sparse_table.cc

@@ -31,7 +31,7 @@ bool FLAGS_pserver_create_value_when_push = true;
 int FLAGS_pserver_table_save_max_retry = 3;
 bool FLAGS_pserver_enable_create_feasign_randomly = false;
 
-int32_t MemorySparseTable::initialize() {
+int32_t MemorySparseTable::Initialize() {
   _shards_task_pool.resize(_task_pool_size);
   for (int i = 0; i < _shards_task_pool.size(); ++i) {
     _shards_task_pool[i].reset(new ::ThreadPool(1));
@@ -39,12 +39,12 @@ int32_t MemorySparseTable::initialize() {
   auto& profiler = CostProfiler::instance();
   profiler.register_profiler("pserver_sparse_update_all");
   profiler.register_profiler("pserver_sparse_select_all");
-  initialize_value();
+  InitializeValue();
   VLOG(0) << "initalize MemorySparseTable succ";
   return 0;
 }
 
-int32_t MemorySparseTable::initialize_value() {
+int32_t MemorySparseTable::InitializeValue() {
   _sparse_table_shard_num = static_cast<int>(_config.shard_num());
   _avg_local_shard_num =
       SparseTable::sparse_local_shard_num(_sparse_table_shard_num, _shard_num);
@@ -64,14 +64,14 @@ int32_t MemorySparseTable::initialize_value() {
   return 0;
 }
 
-int32_t MemorySparseTable::load(const std::string& path,
+int32_t MemorySparseTable::Load(const std::string& path,
                                 const std::string& param) {
-  std::string table_path = table_dir(path);
+  std::string table_path = TableDir(path);
   auto file_list = _afs_client.list(table_path);
 
   std::sort(file_list.begin(), file_list.end());
   for (auto file : file_list) {
-    VLOG(1) << "MemorySparseTable::load() file list: " << file;
+    VLOG(1) << "MemorySparseTable::Load() file list: " << file;
   }
 
   int load_param = atoi(param.c_str());
@@ -154,9 +154,9 @@ int32_t MemorySparseTable::load(const std::string& path,
   return 0;
 }
 
-int32_t MemorySparseTable::load_local_fs(const std::string& path,
-                                         const std::string& param) {
-  std::string table_path = table_dir(path);
+int32_t MemorySparseTable::LoadLocalFS(const std::string& path,
+                                       const std::string& param) {
+  std::string table_path = TableDir(path);
   auto file_list = paddle::framework::localfs_list(table_path);
 
   int load_param = atoi(param.c_str());
@@ -225,12 +225,12 @@ int32_t MemorySparseTable::load_local_fs(const std::string& path,
   return 0;
 }
 
-int32_t MemorySparseTable::save(const std::string& dirname,
+int32_t MemorySparseTable::Save(const std::string& dirname,
                                 const std::string& param) {
   VLOG(0) << "MemorySparseTable::save dirname: " << dirname;
   int save_param =
       atoi(param.c_str());  // checkpoint:0  xbox delta:1  xbox base:2
-  std::string table_path = table_dir(dirname);
+  std::string table_path = TableDir(dirname);
   _afs_client.remove(paddle::string::format_string(
       "%s/part-%03d-*", table_path.c_str(), _shard_idx));
   std::atomic<uint32_t> feasign_size_all{0};
@@ -309,12 +309,12 @@ int32_t MemorySparseTable::save(const std::string& dirname,
   return 0;
 }
 
-int32_t MemorySparseTable::save_local_fs(const std::string& dirname,
-                                         const std::string& param,
-                                         const std::string& prefix) {
+int32_t MemorySparseTable::SaveLocalFS(const std::string& dirname,
+                                       const std::string& param,
+                                       const std::string& prefix) {
   int save_param =
       atoi(param.c_str());  // checkpoint:0  xbox delta:1  xbox base:2
-  std::string table_path = table_dir(dirname);
+  std::string table_path = TableDir(dirname);
   int feasign_cnt = 0;
   size_t file_start_idx = _avg_local_shard_num * _shard_idx;
 
@@ -349,7 +349,7 @@ int32_t MemorySparseTable::save_local_fs(const std::string& dirname,
   return 0;
 }
 
-int64_t MemorySparseTable::local_size() {
+int64_t MemorySparseTable::LocalSize() {
   int64_t local_size = 0;
   for (size_t i = 0; i < _real_local_shard_num; ++i) {
     local_size += _local_shards[i].size();
@@ -357,7 +357,7 @@ int64_t MemorySparseTable::local_size() {
   return local_size;
 }
 
-int64_t MemorySparseTable::local_mf_size() {
+int64_t MemorySparseTable::LocalMFSize() {
   std::vector<int64_t> size_arr(_real_local_shard_num, 0);
   std::vector<std::future<int>> tasks(_real_local_shard_num);
   int64_t ret_size = 0;
@@ -384,9 +384,9 @@ int64_t MemorySparseTable::local_mf_size() {
   return ret_size;
 }
 
-std::pair<int64_t, int64_t> MemorySparseTable::print_table_stat() {
-  int64_t feasign_size = local_size();
-  int64_t mf_size = local_mf_size();
+std::pair<int64_t, int64_t> MemorySparseTable::PrintTableStat() {
+  int64_t feasign_size = LocalSize();
+  int64_t mf_size = LocalMFSize();
   return {feasign_size, mf_size};
 }
 
@@ -395,11 +395,11 @@ int32_t MemorySparseTable::Pull(TableContext& context) {
   if (context.use_ptr) {
     char** pull_values = context.pull_context.ptr_values;
     const uint64_t* keys = context.pull_context.keys;
-    return pull_sparse_ptr(pull_values, keys, context.num);
+    return PullSparsePtr(pull_values, keys, context.num);
   } else {
     float* pull_values = context.pull_context.values;
     const PullSparseValue& pull_value = context.pull_context.pull_value;
-    return pull_sparse(pull_values, pull_value);
+    return PullSparse(pull_values, pull_value);
   }
 }
 
@@ -407,11 +407,11 @@ int32_t MemorySparseTable::Push(TableContext& context) {
   CHECK(context.value_type == Sparse);
 
   const uint64_t* keys = context.push_context.keys;
-  return push_sparse(keys, context.push_context.values, context.num);
+  return PushSparse(keys, context.push_context.values, context.num);
 }
 
-int32_t MemorySparseTable::pull_sparse(float* pull_values,
-                                       const PullSparseValue& pull_value) {
+int32_t MemorySparseTable::PullSparse(float* pull_values,
+                                      const PullSparseValue& pull_value) {
   CostTimer timer("pserver_sparse_select_all");
   std::vector<std::future<int>> tasks(_real_local_shard_num);
 
@@ -479,8 +479,8 @@ int32_t MemorySparseTable::pull_sparse(float* pull_values,
   return 0;
 }
 
-int32_t MemorySparseTable::pull_sparse_ptr(char** pull_values,
-                                           const uint64_t* keys, size_t num) {
+int32_t MemorySparseTable::PullSparsePtr(char** pull_values,
+                                         const uint64_t* keys, size_t num) {
   CostTimer timer("pscore_sparse_select_all");
   size_t value_size = _value_accesor->GetTableInfo(SIZE) / sizeof(float);
   size_t mf_value_size = _value_accesor->GetTableInfo(MF_SIZE) / sizeof(float);
@@ -530,8 +530,8 @@ int32_t MemorySparseTable::pull_sparse_ptr(char** pull_values,
   return 0;
 }
 
-int32_t MemorySparseTable::push_sparse(const uint64_t* keys,
-                                       const float* values, size_t num) {
+int32_t MemorySparseTable::PushSparse(const uint64_t* keys, const float* values,
+                                      size_t num) {
   CostTimer timer("pserver_sparse_update_all");
   std::vector<std::future<int>> tasks(_real_local_shard_num);
   std::vector<std::vector<std::pair<uint64_t, int>>> task_keys(
@@ -603,14 +603,14 @@ int32_t MemorySparseTable::push_sparse(const uint64_t* keys,
   return 0;
 }
 
-int32_t MemorySparseTable::push_sparse(const uint64_t* keys,
-                                       const float** values, size_t num) {
-  _push_sparse(keys, values, num);
+int32_t MemorySparseTable::PushSparse(const uint64_t* keys,
+                                      const float** values, size_t num) {
+  _PushSparse(keys, values, num);
   return 0;
 }
 
-int32_t MemorySparseTable::_push_sparse(const uint64_t* keys,
-                                        const float** values, size_t num) {
+int32_t MemorySparseTable::_PushSparse(const uint64_t* keys,
+                                       const float** values, size_t num) {
   std::vector<std::future<int>> tasks(_real_local_shard_num);
   std::vector<std::vector<std::pair<uint64_t, int>>> task_keys(
       _real_local_shard_num);
@@ -677,13 +677,13 @@ int32_t MemorySparseTable::_push_sparse(const uint64_t* keys,
   return 0;
 }
 
-int32_t MemorySparseTable::flush() { return 0; }
+int32_t MemorySparseTable::Flush() { return 0; }
 
-int32_t MemorySparseTable::shrink(const std::string& param) {
-  VLOG(0) << "MemorySparseTable::shrink";
+int32_t MemorySparseTable::Shrink(const std::string& param) {
+  VLOG(0) << "MemorySparseTable::Shrink";
   // TODO(zhaocaibei123): implement with multi-thread
   for (int shard_id = 0; shard_id < _real_local_shard_num; ++shard_id) {
-    // shrink
+    // Shrink
     auto& shard = _local_shards[shard_id];
     for (auto it = shard.begin(); it != shard.end();) {
       if (_value_accesor->Shrink(it.value().data())) {
@@ -696,7 +696,7 @@ int32_t MemorySparseTable::shrink(const std::string& param) {
   return 0;
 }
 
-void MemorySparseTable::clear() { VLOG(0) << "clear coming soon"; }
+void MemorySparseTable::Clear() { VLOG(0) << "clear coming soon"; }
 
 }  // namespace distributed
 }  // namespace paddle

paddle/fluid/distributed/ps/table/memory_sparse_table.h

@@ -41,50 +41,48 @@ class MemorySparseTable : public SparseTable {
   virtual ~MemorySparseTable() {}
 
   // unused method begin
-  virtual int32_t pull_dense(float* pull_values, size_t num) { return 0; }
-  virtual int32_t push_dense_param(const float* values, size_t num) {
-    return 0;
-  }
-  virtual int32_t push_dense(const float* values, size_t num) { return 0; }
+  virtual int32_t PullDense(float* pull_values, size_t num) { return 0; }
+  virtual int32_t PushDenseParam(const float* values, size_t num) { return 0; }
+  virtual int32_t PushDense(const float* values, size_t num) { return 0; }
   // unused method end
 
   virtual int32_t Pull(TableContext& context);
   virtual int32_t Push(TableContext& context);
 
-  virtual int32_t initialize();
-  virtual int32_t initialize_shard() { return 0; }
-  virtual int32_t initialize_value();
+  virtual int32_t Initialize();
+  virtual int32_t InitializeShard() { return 0; }
+  virtual int32_t InitializeValue();
 
-  virtual int32_t load(const std::string& path, const std::string& param);
+  virtual int32_t Load(const std::string& path, const std::string& param);
 
-  virtual int32_t save(const std::string& path, const std::string& param);
+  virtual int32_t Save(const std::string& path, const std::string& param);
 
-  int32_t load_local_fs(const std::string& path, const std::string& param);
-  int32_t save_local_fs(const std::string& path, const std::string& param,
-                        const std::string& prefix);
+  int32_t LoadLocalFS(const std::string& path, const std::string& param);
+  int32_t SaveLocalFS(const std::string& path, const std::string& param,
+                      const std::string& prefix);
 
-  int64_t local_size();
-  int64_t local_mf_size();
+  int64_t LocalSize();
+  int64_t LocalMFSize();
 
-  virtual std::pair<int64_t, int64_t> print_table_stat();
-  virtual int32_t pull_sparse(float* values, const PullSparseValue& pull_value);
+  virtual std::pair<int64_t, int64_t> PrintTableStat();
+  virtual int32_t PullSparse(float* values, const PullSparseValue& pull_value);
 
-  virtual int32_t pull_sparse_ptr(char** pull_values, const uint64_t* keys,
-                                  size_t num);
+  virtual int32_t PullSparsePtr(char** pull_values, const uint64_t* keys,
+                                size_t num);
 
-  virtual int32_t push_sparse(const uint64_t* keys, const float* values,
-                              size_t num);
+  virtual int32_t PushSparse(const uint64_t* keys, const float* values,
+                             size_t num);
 
-  virtual int32_t push_sparse(const uint64_t* keys, const float** values,
-                              size_t num);
+  virtual int32_t PushSparse(const uint64_t* keys, const float** values,
+                             size_t num);
 
-  virtual int32_t flush();
-  virtual int32_t shrink(const std::string& param);
-  virtual void clear();
+  virtual int32_t Flush();
+  virtual int32_t Shrink(const std::string& param);
+  virtual void Clear();
 
  protected:
-  virtual int32_t _push_sparse(const uint64_t* keys, const float** values,
-                               size_t num);
+  virtual int32_t _PushSparse(const uint64_t* keys, const float** values,
+                              size_t num);
 
  protected:
   const int _task_pool_size = 24;

paddle/fluid/distributed/ps/table/sparse_geo_table.cc

@@ -17,9 +17,9 @@
 namespace paddle {
 namespace distributed {
 
-int32_t SparseGeoTable::pull_geo_param(const uint32_t trainer_id,
-                                       std::vector<float>* values,
-                                       std::vector<uint64_t>* ids) {
+int32_t SparseGeoTable::PullGeoParam(const uint32_t trainer_id,
+                                     std::vector<float>* values,
+                                     std::vector<uint64_t>* ids) {
   geo_recorder->GetAndClear(trainer_id, ids);
   auto dim = _config.common().dims()[0];
 
@@ -32,21 +32,21 @@ int32_t SparseGeoTable::pull_geo_param(const uint32_t trainer_id,
   pull_value.frequencies_ = frequencies.data();
 
   values->resize(ids->size() * dim);
-  CommonSparseTable::pull_sparse(values->data(), pull_value);
+  CommonSparseTable::PullSparse(values->data(), pull_value);
   return 0;
 }
 
-int32_t SparseGeoTable::push_sparse(const uint64_t* keys, const float* values,
-                                    size_t num) {
+int32_t SparseGeoTable::PushSparse(const uint64_t* keys, const float* values,
+                                   size_t num) {
   std::vector<uint64_t> ids;
   ids.resize(num);
   std::copy_n(keys, num, ids.begin());
   geo_recorder->Update(ids);
-  CommonSparseTable::push_sparse(keys, values, num);
+  CommonSparseTable::PushSparse(keys, values, num);
   return 0;
 }
 
-int32_t SparseGeoTable::initialize_value() {
+int32_t SparseGeoTable::InitializeValue() {
   auto common = _config.common();
   shard_values_.reserve(task_pool_size_);
 
@@ -82,7 +82,7 @@ int32_t SparseGeoTable::initialize_value() {
     auto pull_value = PullSparseValue(ids, fres, param_dim_);
     std::vector<float> pulls;
     pulls.resize(bucket_feasigns * param_dim_);
-    pull_sparse(pulls.data(), pull_value);
+    PullSparse(pulls.data(), pull_value);
   }
   return 0;
 }

paddle/fluid/distributed/ps/table/sparse_geo_table.h

@@ -44,15 +44,15 @@ class SparseGeoTable : public CommonSparseTable {
   explicit SparseGeoTable() : CommonSparseTable() { geo_recorder = nullptr; }
   virtual ~SparseGeoTable() {}
 
-  virtual int32_t initialize_value();
+  virtual int32_t InitializeValue();
 
-  int32_t pull_geo_param(const uint32_t trainer_id, std::vector<float>* values,
-                         std::vector<uint64_t>* keys);
+  int32_t PullGeoParam(const uint32_t trainer_id, std::vector<float>* values,
+                       std::vector<uint64_t>* keys);
 
-  int32_t push_sparse(const uint64_t* keys, const float* values,
-                      size_t num) override;
+  int32_t PushSparse(const uint64_t* keys, const float* values,
+                     size_t num) override;
 
-  virtual int32_t initialize_recorder() {
+  virtual int32_t InitializeRecorder() {
     if (!geo_recorder) {
       auto trainers = _config.common().trainer_num();
       geo_recorder = std::make_shared<GeoRecorder>(trainers);

paddle/fluid/distributed/ps/table/ssd_sparse_table.cc

@@ -20,7 +20,7 @@ DEFINE_string(rocksdb_path, "database", "path of sparse table rocksdb file");
 namespace paddle {
 namespace distributed {
 
-int32_t SSDSparseTable::initialize() {
+int32_t SSDSparseTable::Initialize() {
   _shards_task_pool.resize(task_pool_size_);
   for (int i = 0; i < _shards_task_pool.size(); ++i) {
     _shards_task_pool[i].reset(new ::ThreadPool(1));
@@ -53,9 +53,9 @@ int32_t SSDSparseTable::initialize() {
     offset += dim;
   }
 
-  initialize_value();
-  initialize_optimizer();
-  initialize_recorder();
+  InitializeValue();
+  InitializeOptimizer();
+  InitializeRecorder();
   _db = paddle::distributed::RocksDBHandler::GetInstance();
   _db->initialize(FLAGS_rocksdb_path, task_pool_size_);
   return 0;
@@ -66,18 +66,18 @@ int32_t SSDSparseTable::Pull(TableContext& context) {
   if (context.use_ptr) {
     char** pull_values = context.pull_context.ptr_values;
     const uint64_t* keys = context.pull_context.keys;
-    return pull_sparse_ptr(pull_values, keys, context.num);
+    return PullSparsePtr(pull_values, keys, context.num);
   } else {
     float* pull_values = context.pull_context.values;
     const PullSparseValue& pull_value = context.pull_context.pull_value;
-    return pull_sparse(pull_values, pull_value);
+    return PullSparse(pull_values, pull_value);
   }
 }
 
 int32_t SSDSparseTable::Push(TableContext& context) { return 0; }
 
-int32_t SSDSparseTable::pull_sparse(float* pull_values,
-                                    const PullSparseValue& pull_value) {
+int32_t SSDSparseTable::PullSparse(float* pull_values,
+                                   const PullSparseValue& pull_value) {
   auto shard_num = task_pool_size_;
   std::vector<std::future<int>> tasks(shard_num);
 
@@ -140,8 +140,8 @@ int32_t SSDSparseTable::pull_sparse(float* pull_values,
   return 0;
 }
 
-int32_t SSDSparseTable::pull_sparse_ptr(char** pull_values,
-                                        const uint64_t* keys, size_t num) {
+int32_t SSDSparseTable::PullSparsePtr(char** pull_values, const uint64_t* keys,
+                                      size_t num) {
   auto shard_num = task_pool_size_;
   std::vector<std::future<int>> tasks(shard_num);
 
@@ -201,9 +201,9 @@ int32_t SSDSparseTable::pull_sparse_ptr(char** pull_values,
   return 0;
 }
 
-int32_t SSDSparseTable::shrink(const std::string& param) { return 0; }
+int32_t SSDSparseTable::Shrink(const std::string& param) { return 0; }
 
-int32_t SSDSparseTable::update_table() {
+int32_t SSDSparseTable::UpdateTable() {
   int count = 0;
   int value_size = shard_values_[0]->value_length_;
   int db_size = 3 + value_size;
@@ -299,7 +299,7 @@ int64_t SSDSparseTable::SaveValueToText(std::ostream* os,
   return save_num;
 }
 
-int32_t SSDSparseTable::load(const std::string& path,
+int32_t SSDSparseTable::Load(const std::string& path,
                              const std::string& param) {
   rwlock_->WRLock();
   VLOG(3) << "ssd sparse table load with " << path << " with meta " << param;

paddle/fluid/distributed/ps/table/ssd_sparse_table.h

@@ -23,7 +23,7 @@ class SSDSparseTable : public CommonSparseTable {
   SSDSparseTable() {}
   virtual ~SSDSparseTable() {}
 
-  virtual int32_t initialize() override;
+  virtual int32_t Initialize() override;
 
   void SaveMetaToText(std::ostream* os, const CommonAccessorParameter& common,
                       const size_t shard_idx, const int64_t total);
@@ -37,22 +37,22 @@ class SSDSparseTable : public CommonSparseTable {
       const int pserver_id, const int pserver_num, const int local_shard_num,
       std::vector<std::shared_ptr<ValueBlock>>* blocks);
 
-  virtual int32_t load(const std::string& path, const std::string& param);
+  virtual int32_t Load(const std::string& path, const std::string& param);
 
   // exchange data
-  virtual int32_t update_table();
+  virtual int32_t UpdateTable();
 
   virtual int32_t Pull(TableContext& context);
   virtual int32_t Push(TableContext& context);
 
-  virtual int32_t pull_sparse(float* values, const PullSparseValue& pull_value);
+  virtual int32_t PullSparse(float* values, const PullSparseValue& pull_value);
 
-  virtual int32_t pull_sparse_ptr(char** pull_values, const uint64_t* keys,
-                                  size_t num);
+  virtual int32_t PullSparsePtr(char** pull_values, const uint64_t* keys,
+                                size_t num);
 
-  virtual int32_t flush() override { return 0; }
-  virtual int32_t shrink(const std::string& param) override;
-  virtual void clear() override {}
+  virtual int32_t Flush() override { return 0; }
+  virtual int32_t Shrink(const std::string& param) override;
+  virtual void Clear() override {}
 
  private:
   RocksDBHandler* _db;

paddle/fluid/distributed/ps/table/table.cc

@@ -56,7 +56,7 @@ REGISTER_PSCORE_CLASS(SparseValueSGDRule, SparseAdamSGDRule);
 REGISTER_PSCORE_CLASS(SparseValueSGDRule, SparseNaiveSGDRule);
 REGISTER_PSCORE_CLASS(SparseValueSGDRule, SparseAdaGradSGDRule);
 
-int32_t TableManager::initialize() {
+int32_t TableManager::Initialize() {
   static bool initialized = false;
   if (initialized) {
     return 0;
@@ -65,10 +65,10 @@ int32_t TableManager::initialize() {
   return 0;
 }
 
-int32_t Table::initialize(const TableParameter &config,
+int32_t Table::Initialize(const TableParameter &config,
                           const FsClientParameter &fs_config) {
   _config = config;
-  if (initialize_accessor() != 0) {
+  if (InitializeAccessor() != 0) {
     LOG(WARNING) << "Table accessor initialize failed";
     return -1;
   }
@@ -77,10 +77,10 @@ int32_t Table::initialize(const TableParameter &config,
     LOG(WARNING) << "Table fs_client initialize failed";
     // return -1;
   }
-  return initialize();
+  return Initialize();
 }
 
-int32_t Table::initialize_accessor() {
+int32_t Table::InitializeAccessor() {
   if (!_config.has_accessor() || !_config.accessor().has_accessor_class()) {
     LOG(ERROR) << "missing accessor config in table, table_id:"
                << _config.table_id();

paddle/fluid/distributed/ps/table/table.h

@@ -60,101 +60,99 @@ class Table {
  public:
   Table() {}
   virtual ~Table() {}
-  virtual int32_t initialize(const TableParameter &config,
+  virtual int32_t Initialize(const TableParameter &config,
                              const FsClientParameter &fs_config);
 
   virtual int32_t Pull(TableContext &context) = 0;
   virtual int32_t Push(TableContext &context) = 0;
-  virtual int32_t pull_dense(float *values, size_t num) = 0;
-  virtual int32_t push_dense(const float *values, size_t num) = 0;
+  virtual int32_t PullDense(float *values, size_t num) = 0;
+  virtual int32_t PushDense(const float *values, size_t num) = 0;
   // for push global_step
-  virtual int32_t push_dense(const int64_t *values, const int32_t trainer_id) {
-    return 0;
-  }
-  virtual int32_t push_dense_param(const float *values, size_t num) {
+  virtual int32_t PushDense(const int64_t *values, const int32_t trainer_id) {
     return 0;
   }
+  virtual int32_t PushDenseParam(const float *values, size_t num) { return 0; }
 
-  virtual int32_t pull_sparse_ptr(char **pull_values, const uint64_t *keys,
-                                  size_t num) {
+  virtual int32_t PullSparsePtr(char **pull_values, const uint64_t *keys,
+                                size_t num) {
     VLOG(0) << "NOT IMPLEMENT";
     return 0;
   }
-  virtual int32_t pull_sparse(float *values,
-                              const PullSparseValue &pull_value) = 0;
-  virtual int32_t push_sparse(const uint64_t *keys, const float *values,
-                              size_t num) = 0;
-  virtual int32_t push_sparse(const uint64_t *keys, const float **values,
-                              size_t num) {
+  virtual int32_t PullSparse(float *values,
+                             const PullSparseValue &pull_value) = 0;
+  virtual int32_t PushSparse(const uint64_t *keys, const float *values,
+                             size_t num) = 0;
+  virtual int32_t PushSparse(const uint64_t *keys, const float **values,
+                             size_t num) {
     return 0;
   }
-  virtual int32_t push_sparse_param(const uint64_t *keys, const float *values,
-                                    size_t num) {
+  virtual int32_t PushSparseParam(const uint64_t *keys, const float *values,
+                                  size_t num) {
     return 0;
   }
 
   // only for sparse geo table
-  virtual int32_t pull_geo_param(const uint32_t trainer_id,
-                                 std::vector<float> *values,
-                                 std::vector<uint64_t> *keys) {
+  virtual int32_t PullGeoParam(const uint32_t trainer_id,
+                               std::vector<float> *values,
+                               std::vector<uint64_t> *keys) {
     return 0;
   }
 
   // only for barrier
-  virtual int32_t barrier(const uint32_t trainer_id,
+  virtual int32_t Barrier(const uint32_t trainer_id,
                           const std::string barrier_type) {
     return 0;
   }
 
   // only for barrier table
-  virtual int32_t set_table_map(
+  virtual int32_t SetTableMap(
       std::unordered_map<uint32_t, std::shared_ptr<Table>> *table_map) {
     return 0;
   }
 
   // only for tensor table
-  virtual int32_t set_program_env(
+  virtual int32_t SetProgramEnv(
       framework::Scope *scope, platform::Place place,
       const std::vector<framework::ProgramDesc> *sub_program) {
     return 0;
   }
 
-  virtual int32_t set_global_lr(float *lr) {
+  virtual int32_t SetGlobalLR(float *lr) {
     _global_lr = lr;
     return 0;
   }
 
-  virtual int32_t pour() { return 0; }
+  virtual int32_t Pour() { return 0; }
 
-  virtual void clear() = 0;
-  virtual int32_t flush() = 0;
-  virtual int32_t shrink(const std::string &param) = 0;
+  virtual void Clear() = 0;
+  virtual int32_t Flush() = 0;
+  virtual int32_t Shrink(const std::string &param) = 0;
 
   // 指定加载路径
-  virtual int32_t load(const std::string &path,
+  virtual int32_t Load(const std::string &path,
                        const std::string &converter) = 0;
   // 指定保存路径
-  virtual int32_t save(const std::string &path,
+  virtual int32_t Save(const std::string &path,
                        const std::string &converter) = 0;
 
-  virtual int32_t set_shard(size_t shard_idx, size_t shard_num) {
+  virtual int32_t SetShard(size_t shard_idx, size_t shard_num) {
     _shard_idx = shard_idx;
     _shard_num = shard_num;
-    return initialize_shard();
+    return InitializeShard();
   }
 
-  inline std::shared_ptr<ValueAccessor> value_accesor() {
+  inline std::shared_ptr<ValueAccessor> ValueAccesor() {
     return _value_accesor;
   }
 
-  virtual void *get_shard(size_t shard_idx) = 0;
-  virtual std::pair<int64_t, int64_t> print_table_stat() { return {0, 0}; }
+  virtual void *GetShard(size_t shard_idx) = 0;
+  virtual std::pair<int64_t, int64_t> PrintTableStat() { return {0, 0}; }
 
  protected:
-  virtual int32_t initialize() = 0;
-  virtual int32_t initialize_accessor();
-  virtual int32_t initialize_shard() = 0;
-  virtual std::string table_dir(const std::string &model_dir) {
+  virtual int32_t Initialize() = 0;
+  virtual int32_t InitializeAccessor();
+  virtual int32_t InitializeShard() = 0;
+  virtual std::string TableDir(const std::string &model_dir) {
     return paddle::string::format_string("%s/%03d/", model_dir.c_str(),
                                          _config.table_id());
   }
@@ -171,11 +169,11 @@ REGISTER_PSCORE_REGISTERER(Table);
 
 class TableManager {
  public:
-  static TableManager &instance() {
+  static TableManager &Instance() {
     static TableManager manager;
     return manager;
   }
-  int32_t initialize();
+  int32_t Initialize();
 
  private:
   TableManager() {}

paddle/fluid/distributed/ps/table/tensor_table.h

@@ -52,42 +52,42 @@ class TensorTable : public Table {
 
   virtual int32_t Pull(TableContext &context) { return 0; }
   virtual int32_t Push(TableContext &context) { return 0; }
-  int32_t pull_dense(float *values, size_t num) override { return 0; }
+  int32_t PullDense(float *values, size_t num) override { return 0; }
 
-  int32_t push_dense(const float *values, size_t num) override { return 0; }
+  int32_t PushDense(const float *values, size_t num) override { return 0; }
 
-  int32_t pull_sparse(float *values,
-                      const PullSparseValue &pull_value) override {
+  int32_t PullSparse(float *values,
+                     const PullSparseValue &pull_value) override {
     return 0;
   }
-  int32_t push_sparse(const uint64_t *keys, const float *values,
-                      size_t num) override {
+  int32_t PushSparse(const uint64_t *keys, const float *values,
+                     size_t num) override {
     return 0;
   }
-  int32_t shrink(const std::string &param) override { return 0; }
+  int32_t Shrink(const std::string &param) override { return 0; }
 
-  virtual void *get_shard(size_t shard_idx) { return 0; }
+  virtual void *GetShard(size_t shard_idx) { return 0; }
 
-  virtual int32_t initialize_shard() { return 0; }
+  virtual int32_t InitializeShard() { return 0; }
 
-  virtual int32_t flush() { return 0; }
+  virtual int32_t Flush() { return 0; }
 
-  virtual int32_t load(const std::string &path, const std::string &param) {
+  virtual int32_t Load(const std::string &path, const std::string &param) {
     return 0;
   }
-  virtual int32_t save(const std::string &path, const std::string &param) {
+  virtual int32_t Save(const std::string &path, const std::string &param) {
     return 0;
   }
 
-  virtual void clear() {}
+  virtual void Clear() {}
 
-  int32_t initialize() override { return 0; }
+  int32_t Initialize() override { return 0; }
 
-  int32_t push_dense(const int64_t *values, const int32_t trainer_id) override {
+  int32_t PushDense(const int64_t *values, const int32_t trainer_id) override {
     return 0;
   }
 
-  int32_t set_program_env(
+  int32_t SetProgramEnv(
       framework::Scope *scope, platform::Place place,
       const std::vector<framework::ProgramDesc> *sub_program) override {
     scope_ = scope;
@@ -111,48 +111,48 @@ class DenseTensorTable : public TensorTable {
   DenseTensorTable() {}
   virtual ~DenseTensorTable() {}
 
-  int32_t pull_sparse(float *values,
-                      const PullSparseValue &pull_value) override {
+  int32_t PullSparse(float *values,
+                     const PullSparseValue &pull_value) override {
     return 0;
   }
-  int32_t push_sparse(const uint64_t *keys, const float *values,
-                      size_t num) override {
+  int32_t PushSparse(const uint64_t *keys, const float *values,
+                     size_t num) override {
     return 0;
   }
-  int32_t shrink(const std::string &param) override { return 0; }
+  int32_t Shrink(const std::string &param) override { return 0; }
 
-  virtual void *get_shard(size_t shard_idx) { return 0; }
+  virtual void *GetShard(size_t shard_idx) { return 0; }
 
-  virtual int32_t initialize_shard() { return 0; }
+  virtual int32_t InitializeShard() { return 0; }
 
-  virtual int32_t flush() { return 0; }
+  virtual int32_t Flush() { return 0; }
 
-  virtual void clear() {}
+  virtual void Clear() {}
 
   // Todo: Support program Load & Save
-  virtual int32_t load(const std::string &path, const std::string &param) {
+  virtual int32_t Load(const std::string &path, const std::string &param) {
     return 0;
   }
-  virtual int32_t save(const std::string &path, const std::string &param) {
+  virtual int32_t Save(const std::string &path, const std::string &param) {
     return 0;
   }
 
   // Todo: Support pull dense
-  int32_t pull_dense(float *values, size_t num) override { return 0; }
+  int32_t PullDense(float *values, size_t num) override { return 0; }
 
   /*----------------------------------------------------------------------*/
 
-  int32_t initialize() override { return 0; }
+  int32_t Initialize() override { return 0; }
 
-  int32_t push_dense(const float *values, size_t num) override { return 0; }
+  int32_t PushDense(const float *values, size_t num) override { return 0; }
 
-  int32_t push_dense(const int64_t *values, const int32_t trainer_id) {
+  int32_t PushDense(const int64_t *values, const int32_t trainer_id) {
     return 0;
   }
 
  protected:
-  virtual int32_t _run_program(const float *values, size_t num,
-                               const uint32_t trainer_id) {
+  virtual int32_t _RunProgram(const float *values, size_t num,
+                              const uint32_t trainer_id) {
     return 0;
   }
 
@@ -167,36 +167,36 @@ class GlobalStepTable : public DenseTensorTable {
   GlobalStepTable() {}
   virtual ~GlobalStepTable() {}
 
-  int32_t pull_sparse(float *values,
-                      const PullSparseValue &pull_value) override {
+  int32_t PullSparse(float *values,
+                     const PullSparseValue &pull_value) override {
     return 0;
   }
-  int32_t push_sparse(const uint64_t *keys, const float *values,
-                      size_t num) override {
+  int32_t PushSparse(const uint64_t *keys, const float *values,
+                     size_t num) override {
     return 0;
   }
-  int32_t shrink(const std::string &param) override { return 0; }
+  int32_t Shrink(const std::string &param) override { return 0; }
 
-  virtual void *get_shard(size_t shard_idx) { return 0; }
+  virtual void *GetShard(size_t shard_idx) { return 0; }
 
-  virtual int32_t initialize_shard() { return 0; }
+  virtual int32_t InitializeShard() { return 0; }
 
-  virtual int32_t flush() { return 0; }
+  virtual int32_t Flush() { return 0; }
 
-  virtual void clear() {}
+  virtual void Clear() {}
 
-  virtual int32_t load(const std::string &path, const std::string &param) {
+  virtual int32_t Load(const std::string &path, const std::string &param) {
     return 0;
   }
-  virtual int32_t save(const std::string &path, const std::string &param) {
+  virtual int32_t Save(const std::string &path, const std::string &param) {
     return 0;
   }
 
-  int32_t pull_dense(float *values, size_t num) override { return 0; }
+  int32_t PullDense(float *values, size_t num) override { return 0; }
 
   /*----------------------------------------------------------------------*/
 
-  int32_t initialize() override {
+  int32_t Initialize() override {
     auto _program_config = _config.tensor();
     auto trainers_ = _config.common().trainer_num();
     FLAGS_eager_delete_tensor_gb = -1;
@@ -237,14 +237,14 @@ class GlobalStepTable : public DenseTensorTable {
     }
   }
 
-  int32_t push_dense(const float *values, size_t num) override { return 0; }
+  int32_t PushDense(const float *values, size_t num) override { return 0; }
 
-  int32_t push_dense(const int64_t *values, const int32_t trainer_id) {
-    return _run_program(values, trainer_id);
+  int32_t PushDense(const int64_t *values, const int32_t trainer_id) {
+    return _RunProgram(values, trainer_id);
   }
 
-  int32_t set_table_map(std::unordered_map<uint32_t, std::shared_ptr<Table>>
-                            *table_map) override {
+  int32_t SetTableMap(std::unordered_map<uint32_t, std::shared_ptr<Table>>
+                          *table_map) override {
     auto *lr_var = scope_->FindVar(fetch_var_name_);
     auto *lr_tensor = lr_var->GetMutable<framework::LoDTensor>();
     auto *lr_value = lr_tensor->mutable_data<float>(platform::CPUPlace());
@@ -255,14 +255,14 @@ class GlobalStepTable : public DenseTensorTable {
       if (table_id == _config.table_id()) {
         continue;
       }
-      iter->second->set_global_lr(lr_value);
+      iter->second->SetGlobalLR(lr_value);
     }
     return 0;
   }
 
  private:
-  virtual int32_t _run_program(const int64_t *values,
-                               const uint32_t trainer_id) {
+  virtual int32_t _RunProgram(const int64_t *values,
+                              const uint32_t trainer_id) {
     FLAGS_eager_delete_tensor_gb = -1;
     auto counter = decay_counters_.at(trainer_id);
     counter += int(values[0]);

paddle/fluid/distributed/ps/wrapper/fleet.cc

@@ -51,32 +51,6 @@ int32_t FleetWrapper::CopyTableByFeasign(
   return 0;
 }
 
-void FleetWrapper::Stop() { StopServer(); }
-
-void FleetWrapper::Load(WrapperContext& context) {
-  auto table_id = context.table_id;
-  if (table_id >= 0 && context.meta != "") {
-    LoadSparseOnServer(context.path, context.meta, context.table_id);
-    return;
-  }
-  if (table_id < 0) {  // laod all
-    LoadModel(context.path, context.mode);
-  } else {  // load one table
-    LoadModelOneTable(table_id, context.path, context.mode);
-  }
-  return;
-}
-
-void FleetWrapper::Save(WrapperContext& context) {
-  auto table_id = context.table_id;
-  if (table_id < 0) {
-    SaveModel(context.path, context.mode);
-  } else {
-    SaveModelOneTable(table_id, context.path, context.mode);
-  }
-  return;
-}
-
 void FleetWrapper::SetClient2ClientConfig(int request_timeout_ms,
                                           int connect_timeout_ms,
                                           int max_retry) {
@@ -90,7 +64,7 @@ void FleetWrapper::LoadSparseOnServer(const std::string& path,
                                       uint32_t table_id) {
   VLOG(3) << "load sparse table " << table_id << " with " << path << " meta "
           << meta;
-  pserver_ptr_->_server_ptr->table(table_id)->load(path, meta);
+  pserver_ptr_->_server_ptr->GetTable(table_id)->Load(path, meta);
 }
 
 void FleetWrapper::InitServer(
@@ -101,8 +75,8 @@ void FleetWrapper::InitServer(
     VLOG(3) << "Going to init server";
     pserver_ptr_ = std::shared_ptr<paddle::distributed::PSCore>(
         new paddle::distributed::PSCore());
-    pserver_ptr_->init_server(dist_desc, &host_sign_list, host_sign_list.size(),
-                              index, trainers, server_sub_program);
+    pserver_ptr_->InitServer(dist_desc, &host_sign_list, host_sign_list.size(),
+                             index, trainers, server_sub_program);
     is_initialized_ = true;
   } else {
     VLOG(3) << "Server can be initialized only once";
@@ -143,10 +117,10 @@ void FleetWrapper::InitWorker(const std::string& dist_desc,
       google::protobuf::TextFormat::ParseFromString(dist_desc, &ps_param);
       InitGFlag(ps_param.init_gflags());
       int servers = host_sign_list.size();
-      ps_env_.set_ps_servers(&host_sign_list, servers);
+      ps_env_.SetPsServers(&host_sign_list, servers);
       worker_ptr_ = std::shared_ptr<paddle::distributed::PSClient>(
-          paddle::distributed::PSClientFactory::create(ps_param));
-      worker_ptr_->configure(ps_param, dense_pull_regions, ps_env_, index);
+          paddle::distributed::PSClientFactory::Create(ps_param));
+      worker_ptr_->Configure(ps_param, dense_pull_regions, ps_env_, index);
     }
   } else {
     VLOG(3) << "Client can be initialized only once";
@@ -155,13 +129,13 @@ void FleetWrapper::InitWorker(const std::string& dist_desc,
 
 void FleetWrapper::StopServer() {
   VLOG(3) << "Going to stop server";
-  auto status = worker_ptr_->stop_server();
+  auto status = worker_ptr_->StopServer();
   status.wait();
 }
 
 void FleetWrapper::FinalizeWorker() {
   VLOG(3) << "Going to finalize worker";
-  worker_ptr_->finalize_worker();
+  worker_ptr_->FinalizeWorker();
 }
 
 void FleetWrapper::BarrierWithTable(uint32_t barrier_type) {
@@ -172,13 +146,13 @@ void FleetWrapper::BarrierWithTable(uint32_t barrier_type) {
 
 uint64_t FleetWrapper::RunServer(const std::string& ip, uint32_t port) {
   VLOG(3) << "Going to run server with ip " << ip << " port " << port;
-  auto ret = pserver_ptr_->run_server(ip, port);
+  auto ret = pserver_ptr_->RunServer(ip, port);
   return ret;
 }
 
 std::vector<uint64_t> FleetWrapper::GetClientsInfo() {
   VLOG(3) << "Going to get client info";
-  std::vector<uint64_t> res = ps_env_.get_client_info();
+  std::vector<uint64_t> res = ps_env_.GetClientInfo();
   for (auto rr : res) {
     VLOG(2) << "FleetWrapper::GetClientInfo " << rr;
   }
@@ -187,14 +161,14 @@ std::vector<uint64_t> FleetWrapper::GetClientsInfo() {
 
 int FleetWrapper::SetClients(std::vector<uint64_t>& host_sign_list) {
   int node = host_sign_list.size();
-  return ps_env_.set_ps_clients(host_sign_list.data(), node);
+  return ps_env_.SetPsClients(host_sign_list.data(), node);
 }
 
 void FleetWrapper::CreateClient2ClientConnection() {
   VLOG(1) << "Going to create client2client connection";
-  worker_ptr_->create_client2client_connection(
-      client2client_request_timeout_ms_, client2client_connect_timeout_ms_,
-      client2client_max_retry_);
+  worker_ptr_->CreateClient2ClientConnection(client2client_request_timeout_ms_,
+                                             client2client_connect_timeout_ms_,
+                                             client2client_max_retry_);
 }
 
 std::future<int32_t> FleetWrapper::PullSparseVarsAsync(
@@ -230,9 +204,9 @@ std::future<int32_t> FleetWrapper::PullSparseVarsAsync(
   }
 
   bool training = true;
-  return pserver_ptr_->_worker_ptr->pull_sparse(pull_result_ptr.data(),
-                                                table_id, fea_keys->data(),
-                                                fea_keys->size(), training);
+  return pserver_ptr_->_worker_ptr->PullSparse(pull_result_ptr.data(), table_id,
+                                               fea_keys->data(),
+                                               fea_keys->size(), training);
 }
 
 void FleetWrapper::PullSparseVarsSync(
@@ -279,7 +253,7 @@ void FleetWrapper::PullSparseVarsSync(
     pull_result_ptr.push_back(t.data());
   }
   bool training = true;
-  auto status = pserver_ptr_->_worker_ptr->pull_sparse(
+  auto status = pserver_ptr_->_worker_ptr->PullSparse(
       pull_result_ptr.data(), table_id, fea_keys->data(), fea_keys->size(),
       training);
   pull_sparse_status.push_back(std::move(status));
@@ -337,21 +311,10 @@ void FleetWrapper::PullSparseToTensorSync(const uint64_t table_id, int fea_dim,
       pull_result_ptr.push_back(output_data + output_len);
     }
   }
-  // ps client pull sparse
-  // construct client request context
-  RequestContext req_context;
-  req_context.value_type = Sparse;
-  req_context.training_mode = Async;
-  req_context.table = table_id;
-  req_context.sparse_values = pull_result_ptr.data();
-  req_context.keys = fea_keys.data();
-  req_context.num = fea_keys.size();
-  req_context.is_training = is_training;
-  auto status = worker_ptr_->Pull(req_context);
-  // auto status =
-  //     worker_ptr_->pull_sparse(pull_result_ptr.data(), table_id,
-  //                              fea_keys.data(), fea_keys.size(),
-  //                              is_training);
+
+  auto status =
+      worker_ptr_->PullSparse(pull_result_ptr.data(), table_id, fea_keys.data(),
+                              fea_keys.size(), is_training);
   status.wait();
   auto ret = status.get();
   if (ret != 0) {
@@ -364,7 +327,7 @@ void FleetWrapper::PullDenseVarsAsync(
     const Scope& scope, const uint64_t tid,
     const std::vector<std::string>& var_names,
     std::vector<std::future<int32_t>>* pull_dense_status, bool in_cpu) {
-  auto& regions = _regions[tid];
+  auto& regions = regions_[tid];
   regions.clear();
   regions.resize(var_names.size());
   for (auto i = 0u; i < var_names.size(); ++i) {
@@ -378,21 +341,15 @@ void FleetWrapper::PullDenseVarsAsync(
     paddle::distributed::Region reg(w, tensor->numel());
     regions[i] = std::move(reg);
   }
-  RequestContext req_context;
-  req_context.value_type = Dense;
-  req_context.training_mode = Async;
-  req_context.table = tid;
-  req_context.dense_values = regions.data();
-  req_context.num = regions.size();
-  auto status = worker_ptr_->Pull(req_context);
-  // auto status = worker_ptr_->pull_dense(regions.data(), regions.size(), tid);
+
+  auto status = worker_ptr_->PullDense(regions.data(), regions.size(), tid);
   pull_dense_status->push_back(std::move(status));
 }
 
 void FleetWrapper::PullDenseVarsSync(
     const Scope& scope, const uint64_t tid,
     const std::vector<std::string>& var_names) {
-  auto& regions = _regions[tid];
+  auto& regions = regions_[tid];
   regions.clear();
   regions.reserve(var_names.size());
   for (auto& t : var_names) {
@@ -404,7 +361,7 @@ void FleetWrapper::PullDenseVarsSync(
       regions.emplace_back(std::move(reg));
     }
   }
-  auto status = worker_ptr_->pull_dense(regions.data(), regions.size(), tid);
+  auto status = worker_ptr_->PullDense(regions.data(), regions.size(), tid);
   status.wait();
 }
 
@@ -424,7 +381,7 @@ void FleetWrapper::PushDenseParamSync(
     }
   }
   auto push_status =
-      worker_ptr_->push_dense_param(regions.data(), regions.size(), table_id);
+      worker_ptr_->PushDenseParam(regions.data(), regions.size(), table_id);
   push_status.wait();
   auto status = push_status.get();
   CHECK(status == 0) << "push dense param failed, status[" << status << "]";
@@ -470,15 +427,8 @@ void FleetWrapper::PushDenseVarsAsync(
             << g[tensor->numel() - 1];
   }
 
-  RequestContext req_context;
-  req_context.value_type = Dense;
-  req_context.training_mode = Async;
-  req_context.table = table_id;
-  req_context.push_context.push_dense_values = regions.data();
-  req_context.num = regions.size();
-  // auto push_status =
-  //     worker_ptr_->push_dense(regions.data(), regions.size(), table_id);
-  auto push_status = worker_ptr_->Push(req_context);
+  auto push_status =
+      worker_ptr_->PushDense(regions.data(), regions.size(), table_id);
 }
 
 void FleetWrapper::PushSparseVarsAsync(
@@ -650,23 +600,13 @@ void FleetWrapper::PushSparseFromTensorAsync(
     push_g_vec[i] = push_values.at(i).data();
   }
 
-  // ps client push sparse
-  // construct request context
-  RequestContext req_context;
-  req_context.value_type = Sparse;
-  req_context.training_mode = Async;
-  req_context.table = table_id;
-  req_context.push_context.push_values = (const float**)push_g_vec.data();
-  req_context.push_context.keys = push_keys.data();
-  req_context.num = push_keys.size();
-  auto status = worker_ptr_->Push(req_context);
-  // auto status = worker_ptr_->push_sparse(table_id, push_keys.data(),
-  //                                        (const float**)push_g_vec.data(),
-  //                                        push_keys.size());
+  auto status = worker_ptr_->PushSparse(table_id, push_keys.data(),
+                                        (const float**)push_g_vec.data(),
+                                        push_keys.size());
 }
 
 void FleetWrapper::LoadModel(const std::string& path, const int mode) {
-  auto ret = worker_ptr_->load(path, std::to_string(mode));
+  auto ret = worker_ptr_->Load(path, std::to_string(mode));
   ret.wait();
   if (ret.get() != 0) {
     LOG(ERROR) << "load model from path:" << path << " failed";
@@ -675,7 +615,7 @@ void FleetWrapper::LoadModel(const std::string& path, const int mode) {
 
 void FleetWrapper::LoadModelOneTable(const uint64_t table_id,
                                      const std::string& path, const int mode) {
-  auto ret = worker_ptr_->load(table_id, path, std::to_string(mode));
+  auto ret = worker_ptr_->Load(table_id, path, std::to_string(mode));
   ret.wait();
   if (ret.get() != 0) {
     LOG(ERROR) << "load model of table id: " << table_id
@@ -684,7 +624,7 @@ void FleetWrapper::LoadModelOneTable(const uint64_t table_id,
 }
 
 void FleetWrapper::SaveModel(const std::string& path, const int mode) {
-  auto ret = worker_ptr_->save(path, std::to_string(mode));
+  auto ret = worker_ptr_->Save(path, std::to_string(mode));
   ret.wait();
   int32_t feasign_cnt = ret.get();
   if (feasign_cnt == -1) {
@@ -694,7 +634,7 @@ void FleetWrapper::SaveModel(const std::string& path, const int mode) {
 
 void FleetWrapper::SaveModelOneTable(const uint64_t table_id,
                                      const std::string& path, const int mode) {
-  auto ret = worker_ptr_->save(table_id, path, std::to_string(mode));
+  auto ret = worker_ptr_->Save(table_id, path, std::to_string(mode));
   ret.wait();
   if (ret.get() != 0) {
     LOG(ERROR) << "save model of table id: " << table_id
@@ -704,7 +644,7 @@ void FleetWrapper::SaveModelOneTable(const uint64_t table_id,
 
 void FleetWrapper::RecvAndSaveTable(const uint64_t table_id,
                                     const std::string& path) {
-  auto ret = worker_ptr_->recv_and_save_table(table_id, path);
+  auto ret = worker_ptr_->RecvAndSaveTable(table_id, path);
   if (ret != 0) {
     LOG(ERROR) << "save model of table id: " << table_id
                << ", to path: " << path << " failed";
@@ -712,7 +652,7 @@ void FleetWrapper::RecvAndSaveTable(const uint64_t table_id,
 }
 
 void FleetWrapper::PrintTableStat(const uint64_t table_id) {
-  auto ret = worker_ptr_->print_table_stat(table_id);
+  auto ret = worker_ptr_->PrintTableStat(table_id);
   ret.wait();
   int32_t err_code = ret.get();
   if (err_code == -1) {
@@ -721,7 +661,7 @@ void FleetWrapper::PrintTableStat(const uint64_t table_id) {
 }
 
 void FleetWrapper::ShrinkSparseTable(int table_id, int threshold) {
-  auto ret = worker_ptr_->shrink(table_id, std::to_string(threshold));
+  auto ret = worker_ptr_->Shrink(table_id, std::to_string(threshold));
   ret.wait();
   int32_t err_code = ret.get();
   if (err_code == -1) {
@@ -730,12 +670,12 @@ void FleetWrapper::ShrinkSparseTable(int table_id, int threshold) {
 }
 
 void FleetWrapper::ClearModel() {
-  auto ret = pserver_ptr_->_worker_ptr->clear();
+  auto ret = pserver_ptr_->_worker_ptr->Clear();
   ret.wait();
 }
 
 void FleetWrapper::ClearOneTable(const uint64_t table_id) {
-  auto ret = pserver_ptr_->_worker_ptr->clear(table_id);
+  auto ret = pserver_ptr_->_worker_ptr->Clear(table_id);
   ret.wait();
 }
 
@@ -774,7 +714,7 @@ void FleetWrapper::ShrinkDenseTable(int table_id, Scope* scope,
       regions.emplace_back(std::move(reg));
     }
   }
-  auto push_status = pserver_ptr_->_worker_ptr->push_dense_param(
+  auto push_status = pserver_ptr_->_worker_ptr->PushDenseParam(
       regions.data(), regions.size(), table_id);
   push_status.wait();
   auto status = push_status.get();
@@ -791,7 +731,7 @@ void FleetWrapper::ClientFlush() {
     VLOG(0) << "worker_ptr null, do nothing";
     return;
   }
-  auto ret = worker_ptr_->flush();
+  auto ret = worker_ptr_->Flush();
   ret.wait();
   int32_t err_code = ret.get();
   if (err_code == -1) {
@@ -805,13 +745,13 @@ int FleetWrapper::RegisterClientToClientMsgHandler(int msg_type,
     VLOG(0) << "FleetWrapper::Client is null";
     return -1;
   } else {
-    return worker_ptr_->registe_client2client_msg_handler(msg_type, handler);
+    return worker_ptr_->RegisteClient2ClientMsgHandler(msg_type, handler);
   }
 }
 
 std::future<int32_t> FleetWrapper::SendClientToClientMsg(
     int msg_type, int to_client_id, const std::string& msg) {
-  return worker_ptr_->send_client2client_msg(msg_type, to_client_id, msg);
+  return worker_ptr_->SendClient2ClientMsg(msg_type, to_client_id, msg);
 }
 
 std::default_random_engine& FleetWrapper::LocalRandomEngine() {

paddle/fluid/distributed/ps/wrapper/fleet.h

@@ -25,7 +25,6 @@ limitations under the License. */
 
 #include "paddle/fluid/distributed/ps/service/communicator/communicator_common.h"
 #include "paddle/fluid/distributed/ps/service/ps_service/service.h"
-#include "paddle/fluid/distributed/ps/wrapper/ps_wrapper.h"
 #include "paddle/fluid/framework/archive.h"
 #include "paddle/fluid/framework/io/fs.h"
 #include "paddle/fluid/framework/io/shell.h"
@@ -55,7 +54,7 @@ using framework::Variable;
 
 using RpcCtxMap = std::unordered_map<std::string, CommContext>;
 
-class FleetWrapper : public PSWrapper {
+class FleetWrapper {
  public:
   virtual ~FleetWrapper() {}
   FleetWrapper() {
@@ -69,7 +68,6 @@ class FleetWrapper : public PSWrapper {
     // pserver request max retry
     client2client_max_retry_ = 3;
   }
-  virtual int32_t Initialize(InitContext& context) { return 0; }
 
   // TODO(zhaocaibei123: later)
   int32_t CopyTable(const uint64_t src_table_id, const uint64_t dest_table_id);
@@ -81,12 +79,6 @@ class FleetWrapper : public PSWrapper {
   typedef std::function<void(int, int)> HeterCallBackFunc;
   int RegisterHeterCallback(HeterCallBackFunc handler);
 
-  virtual void Stop() override;
-
-  virtual void Load(WrapperContext& context) override;
-
-  virtual void Save(WrapperContext& context) override;
-
   // set client to client communication config
   void SetClient2ClientConfig(int request_timeout_ms, int connect_timeout_ms,
                               int max_retry);
@@ -278,7 +270,7 @@ class FleetWrapper : public PSWrapper {
 
  protected:
   static bool is_initialized_;
-  std::map<uint64_t, std::vector<paddle::distributed::Region>> _regions;
+  std::map<uint64_t, std::vector<paddle::distributed::Region>> regions_;
   bool scale_sparse_gradient_with_batch_size_;
   int32_t sleep_seconds_before_fail_exit_;
   int client2client_request_timeout_ms_;

paddle/fluid/distributed/test/barrier_table_test.cc

@@ -39,19 +39,19 @@ TEST(BarrierTable, Barrier) {
   common_config->set_trainer_num(trainers);
   common_config->set_sync(sync);
 
-  auto ret = table->initialize(table_config, fs_config);
+  auto ret = table->Initialize(table_config, fs_config);
 
   std::unordered_map<uint32_t, std::shared_ptr<Table>> maps =
       std::unordered_map<uint32_t, std::shared_ptr<Table>>();
 
-  table->set_table_map(&maps);
+  table->SetTableMap(&maps);
 
   std::shared_ptr<::ThreadPool> pool_ =
       std::make_shared<::ThreadPool>(trainers);
   std::vector<std::future<void>> task_status;
 
   for (auto x = 0; x < trainers; x++) {
-    auto task = [table, x] { table->barrier(x, 0); };
+    auto task = [table, x] { table->Barrier(x, 0); };
     task_status.push_back(pool_->enqueue(std::move(task)));
   }
 

paddle/fluid/distributed/test/brpc_service_dense_sgd_test.cc

@@ -155,16 +155,16 @@ void RunServer() {
 
   auto _ps_env = paddle::distributed::PaddlePSEnvironment();
   LOG(INFO) << "RUN set_ps_servers";
-  _ps_env.set_ps_servers(&host_sign_list_, 1);
+  _ps_env.SetPsServers(&host_sign_list_, 1);
   pserver_ptr_ = std::shared_ptr<paddle::distributed::PSServer>(
-      paddle::distributed::PSServerFactory::create(server_proto));
+      paddle::distributed::PSServerFactory::Create(server_proto));
   LOG(INFO) << "RUN configure";
   std::vector<framework::ProgramDesc> empty_vec;
   framework::ProgramDesc empty_prog;
   empty_vec.push_back(empty_prog);
-  pserver_ptr_->configure(server_proto, _ps_env, 0, empty_vec);
+  pserver_ptr_->Configure(server_proto, _ps_env, 0, empty_vec);
   LOG(INFO) << "RUN start";
-  pserver_ptr_->start(ip_, port_);
+  pserver_ptr_->Start(ip_, port_);
   LOG(INFO) << "End start";
 }
 
@@ -175,19 +175,19 @@ void RunClient(std::map<uint64_t, std::vector<paddle::distributed::Region>>&
   auto servers_ = host_sign_list_.size();
   _ps_env = paddle::distributed::PaddlePSEnvironment();
   LOG(INFO) << "Run set_ps_servers";
-  _ps_env.set_ps_servers(&host_sign_list_, servers_);
+  _ps_env.SetPsServers(&host_sign_list_, servers_);
   LOG(INFO) << "Run Create PSClient";
   worker_ptr_ = std::shared_ptr<paddle::distributed::PSClient>(
-      paddle::distributed::PSClientFactory::create(worker_proto));
+      paddle::distributed::PSClientFactory::Create(worker_proto));
   LOG(INFO) << "Run configure";
-  worker_ptr_->configure(worker_proto, dense_regions, _ps_env, 0);
+  worker_ptr_->Configure(worker_proto, dense_regions, _ps_env, 0);
 }
 
 void RunBrpcPushDense() {
   setenv("http_proxy", "", 1);
   setenv("https_proxy", "", 1);
   auto ph_host = paddle::distributed::PSHost(ip_, port_, 0);
-  host_sign_list_.push_back(ph_host.serialize_to_string());
+  host_sign_list_.push_back(ph_host.SerializeToString());
 
   // Srart Server
   std::thread server_thread(RunServer);
@@ -218,7 +218,7 @@ void RunBrpcPushDense() {
   paddle::distributed::Region temp_reg(temp, tensor->numel());
   temp_region.emplace_back(std::move(temp_reg));
   auto pull_status =
-      worker_ptr_->pull_dense(temp_region.data(), temp_region.size(), 0);
+      worker_ptr_->PullDense(temp_region.data(), temp_region.size(), 0);
   pull_status.wait();
 
   for (size_t idx = 0; idx < tensor->numel(); ++idx) {
@@ -229,10 +229,10 @@ void RunBrpcPushDense() {
 
   LOG(INFO) << "Run push_dense_param";
   auto push_status =
-      worker_ptr_->push_dense_param(regions.data(), regions.size(), 0);
+      worker_ptr_->PushDenseParam(regions.data(), regions.size(), 0);
   push_status.wait();
 
-  pull_status = worker_ptr_->pull_dense(regions.data(), regions.size(), 0);
+  pull_status = worker_ptr_->PullDense(regions.data(), regions.size(), 0);
   pull_status.wait();
 
   for (size_t idx = 0; idx < tensor->numel(); ++idx) {
@@ -257,11 +257,11 @@ void RunBrpcPushDense() {
 
   LOG(INFO) << "Run pull_dense_grad";
   auto push_grad_status =
-      worker_ptr_->push_dense_raw_gradient(0, temp, tensor->numel(), closure);
+      worker_ptr_->PushDenseRawGradient(0, temp, tensor->numel(), closure);
   push_grad_status.wait();
 
   auto pull_update_status =
-      worker_ptr_->pull_dense(regions.data(), regions.size(), 0);
+      worker_ptr_->PullDense(regions.data(), regions.size(), 0);
   pull_update_status.wait();
 
   for (size_t idx = 0; idx < tensor->numel(); ++idx) {
@@ -269,9 +269,9 @@ void RunBrpcPushDense() {
   }
 
   LOG(INFO) << "Run stop_server";
-  worker_ptr_->stop_server();
+  worker_ptr_->StopServer();
   LOG(INFO) << "Run finalize_worker";
-  worker_ptr_->finalize_worker();
+  worker_ptr_->FinalizeWorker();
   server_thread.join();
 }
 

paddle/fluid/distributed/test/brpc_service_sparse_sgd_test.cc

@@ -156,14 +156,14 @@ void RunServer() {
   ::paddle::distributed::PSParameter server_proto = GetServerProto();
 
   auto _ps_env = paddle::distributed::PaddlePSEnvironment();
-  _ps_env.set_ps_servers(&host_sign_list_, 1);
+  _ps_env.SetPsServers(&host_sign_list_, 1);
   pserver_ptr_ = std::shared_ptr<paddle::distributed::PSServer>(
-      paddle::distributed::PSServerFactory::create(server_proto));
+      paddle::distributed::PSServerFactory::Create(server_proto));
   std::vector<framework::ProgramDesc> empty_vec;
   framework::ProgramDesc empty_prog;
   empty_vec.push_back(empty_prog);
-  pserver_ptr_->configure(server_proto, _ps_env, 0, empty_vec);
-  pserver_ptr_->start(ip_, port_);
+  pserver_ptr_->Configure(server_proto, _ps_env, 0, empty_vec);
+  pserver_ptr_->Start(ip_, port_);
 }
 
 void RunClient(std::map<uint64_t, std::vector<paddle::distributed::Region>>&
@@ -172,17 +172,17 @@ void RunClient(std::map<uint64_t, std::vector<paddle::distributed::Region>>&
   paddle::distributed::PaddlePSEnvironment _ps_env;
   auto servers_ = host_sign_list_.size();
   _ps_env = paddle::distributed::PaddlePSEnvironment();
-  _ps_env.set_ps_servers(&host_sign_list_, servers_);
+  _ps_env.SetPsServers(&host_sign_list_, servers_);
   worker_ptr_ = std::shared_ptr<paddle::distributed::PSClient>(
-      paddle::distributed::PSClientFactory::create(worker_proto));
-  worker_ptr_->configure(worker_proto, dense_regions, _ps_env, 0);
+      paddle::distributed::PSClientFactory::Create(worker_proto));
+  worker_ptr_->Configure(worker_proto, dense_regions, _ps_env, 0);
 }
 
 void RunBrpcPushSparse() {
   setenv("http_proxy", "", 1);
   setenv("https_proxy", "", 1);
   auto ph_host = paddle::distributed::PSHost(ip_, port_, 0);
-  host_sign_list_.push_back(ph_host.serialize_to_string());
+  host_sign_list_.push_back(ph_host.SerializeToString());
 
   // Srart Server
   std::thread server_thread(RunServer);
@@ -214,7 +214,7 @@ void RunBrpcPushSparse() {
 
   /*-----------------------Test Server Init----------------------------------*/
   LOG(INFO) << "Run pull_sparse_param";
-  auto pull_status = worker_ptr_->pull_sparse(
+  auto pull_status = worker_ptr_->PullSparse(
       fea_value_ptr.data(), 0, fea_keys.data(), fea_keys.size(), true);
   pull_status.wait();
   for (size_t idx = 0; idx < tensor->numel(); ++idx) {
@@ -237,12 +237,12 @@ void RunBrpcPushSparse() {
         }
         closure->set_promise_value(ret);
       });
-  auto push_status = worker_ptr_->push_sparse_param(
+  auto push_status = worker_ptr_->PushSparseParam(
       0, fea_keys.data(), (const float**)fea_value_ptr.data(), fea_keys.size(),
       closure_push_param);
   push_status.wait();
 
-  auto pull_param_status = worker_ptr_->pull_sparse(
+  auto pull_param_status = worker_ptr_->PullSparse(
       fea_temp_value_ptr.data(), 0, fea_keys.data(), fea_keys.size(), true);
   pull_param_status.wait();
 
@@ -271,12 +271,12 @@ void RunBrpcPushSparse() {
   for (auto i = 0; i < static_cast<int>(fea_keys.size()); ++i) {
     push_g_vec.push_back(tensor->data<float>() + i * 10);
   }
-  auto push_grad_status = worker_ptr_->push_sparse_raw_gradient(
+  auto push_grad_status = worker_ptr_->PushSparseRawGradient(
       0, fea_keys.data(), (const float**)push_g_vec.data(), fea_keys.size(),
       closure_push_grad);
   push_grad_status.wait();
 
-  auto pull_update_status = worker_ptr_->pull_sparse(
+  auto pull_update_status = worker_ptr_->PullSparse(
       fea_temp_value_ptr.data(), 0, fea_keys.data(), fea_keys.size(), true);
   pull_update_status.wait();
 
@@ -285,9 +285,9 @@ void RunBrpcPushSparse() {
   }
 
   LOG(INFO) << "Run stop_server";
-  worker_ptr_->stop_server();
+  worker_ptr_->StopServer();
   LOG(INFO) << "Run finalize_worker";
-  worker_ptr_->finalize_worker();
+  worker_ptr_->FinalizeWorker();
   server_thread.join();
 }
 

paddle/fluid/distributed/test/dense_table_test.cc

@@ -63,13 +63,13 @@ TEST(CommonDenseTable, Adam) {
   common_config->add_params("LearningRate");
   common_config->add_dims(1);
   common_config->add_initializers("fill_constant&5e-6");
-  auto ret = table->initialize(table_config, fs_config);
+  auto ret = table->Initialize(table_config, fs_config);
   ASSERT_EQ(ret, 0);
 
   // pull parameters for create and check
   std::vector<float> init_values;
   init_values.resize(fea_dim);
-  table->pull_dense(init_values.data(), fea_dim);
+  table->PullDense(init_values.data(), fea_dim);
 
   // push gradient
   std::vector<std::vector<float>> trainer_gradient_values;
@@ -85,12 +85,12 @@ TEST(CommonDenseTable, Adam) {
   // for adam
   for (int i = 0; i < trainers; i++) {
     auto &push_values = trainer_gradient_values[i];
-    table->push_dense(push_values.data(), push_values.size());
+    table->PushDense(push_values.data(), push_values.size());
   }
 
   std::vector<float> pull_values;
   pull_values.resize(fea_dim);
-  table->pull_dense(pull_values.data(), fea_dim);
+  table->PullDense(pull_values.data(), fea_dim);
 
   float mom_rate = 0.99;
   float decay_rate = 0.9999;
@@ -118,6 +118,7 @@ TEST(CommonDenseTable, Adam) {
     }
   }
   for (int j = 0; j < fea_dim; j++) {
+    VLOG(0) << param[j] << " " << pull_values[j];
     ASSERT_TRUE(abs(param[j] - pull_values[j]) < 1e-5);
   }
 }
@@ -143,13 +144,13 @@ TEST(CommonDenseTable, SGD) {
   common_config->add_params("LearningRate");
   common_config->add_dims(1);
   common_config->add_initializers("fill_constant&1.0");
-  auto ret = table->initialize(table_config, fs_config);
+  auto ret = table->Initialize(table_config, fs_config);
   ASSERT_EQ(ret, 0);
 
   // pull parameters for create and check
   std::vector<float> init_values;
   init_values.resize(fea_dim);
-  table->pull_dense(init_values.data(), fea_dim);
+  table->PullDense(init_values.data(), fea_dim);
 
   std::vector<float> total_gradients;
   total_gradients.resize(fea_dim);
@@ -172,7 +173,7 @@ TEST(CommonDenseTable, SGD) {
   for (int i = 0; i < trainers; i++) {
     auto &push_values = trainer_gradient_values[i];
     auto task = [table, &push_values] {
-      table->push_dense(push_values.data(), push_values.size());
+      table->PushDense(push_values.data(), push_values.size());
     };
     task_status.push_back(pool_->enqueue(std::move(task)));
   }
@@ -182,7 +183,7 @@ TEST(CommonDenseTable, SGD) {
 
   std::vector<float> pull_values;
   pull_values.resize(fea_dim);
-  table->pull_dense(pull_values.data(), fea_dim);
+  table->PullDense(pull_values.data(), fea_dim);
   for (int j = 0; j < fea_dim; j++) {
     auto update_val = init_values[j] - 1.0 * total_gradients[j];
     ASSERT_TRUE(abs(update_val - pull_values[j]) < 1e-5);

paddle/fluid/distributed/test/graph_node_split_test.cc

@@ -166,16 +166,16 @@ void RunServer() {
   ::paddle::distributed::PSParameter server_proto = GetServerProto();
 
   auto _ps_env = paddle::distributed::PaddlePSEnvironment();
-  _ps_env.set_ps_servers(&host_sign_list_, 2);  // test
+  _ps_env.SetPsServers(&host_sign_list_, 2);  // test
   pserver_ptr_ = std::shared_ptr<paddle::distributed::GraphBrpcServer>(
       (paddle::distributed::GraphBrpcServer*)
-          paddle::distributed::PSServerFactory::create(server_proto));
+          paddle::distributed::PSServerFactory::Create(server_proto));
   std::vector<framework::ProgramDesc> empty_vec;
   framework::ProgramDesc empty_prog;
   empty_vec.push_back(empty_prog);
-  pserver_ptr_->configure(server_proto, _ps_env, 0, empty_vec);
+  pserver_ptr_->Configure(server_proto, _ps_env, 0, empty_vec);
   LOG(INFO) << "first server, run start(ip,port)";
-  pserver_ptr_->start(ip_, port_);
+  pserver_ptr_->Start(ip_, port_);
   pserver_ptr_->build_peer2peer_connection(0);
   LOG(INFO) << "init first server Done";
 }
@@ -185,15 +185,15 @@ void RunServer2() {
   ::paddle::distributed::PSParameter server_proto2 = GetServerProto();
 
   auto _ps_env2 = paddle::distributed::PaddlePSEnvironment();
-  _ps_env2.set_ps_servers(&host_sign_list_, 2);  // test
+  _ps_env2.SetPsServers(&host_sign_list_, 2);  // test
   pserver_ptr2 = std::shared_ptr<paddle::distributed::GraphBrpcServer>(
       (paddle::distributed::GraphBrpcServer*)
-          paddle::distributed::PSServerFactory::create(server_proto2));
+          paddle::distributed::PSServerFactory::Create(server_proto2));
   std::vector<framework::ProgramDesc> empty_vec2;
   framework::ProgramDesc empty_prog2;
   empty_vec2.push_back(empty_prog2);
-  pserver_ptr2->configure(server_proto2, _ps_env2, 1, empty_vec2);
-  pserver_ptr2->start(ip2, port2);
+  pserver_ptr2->Configure(server_proto2, _ps_env2, 1, empty_vec2);
+  pserver_ptr2->Start(ip2, port2);
   pserver_ptr2->build_peer2peer_connection(1);
 }
 
@@ -204,11 +204,11 @@ void RunClient(
   paddle::distributed::PaddlePSEnvironment _ps_env;
   auto servers_ = host_sign_list_.size();
   _ps_env = paddle::distributed::PaddlePSEnvironment();
-  _ps_env.set_ps_servers(&host_sign_list_, servers_);
+  _ps_env.SetPsServers(&host_sign_list_, servers_);
   worker_ptr_ = std::shared_ptr<paddle::distributed::GraphBrpcClient>(
       (paddle::distributed::GraphBrpcClient*)
-          paddle::distributed::PSClientFactory::create(worker_proto));
-  worker_ptr_->configure(worker_proto, dense_regions, _ps_env, 0);
+          paddle::distributed::PSClientFactory::Create(worker_proto));
+  worker_ptr_->Configure(worker_proto, dense_regions, _ps_env, 0);
   worker_ptr_->set_shard_num(127);
   worker_ptr_->set_local_channel(index);
   worker_ptr_->set_local_graph_service(
@@ -222,11 +222,11 @@ void RunGraphSplit() {
   prepare_file(node_file_name, nodes);
   prepare_file(graph_split_file_name, graph_split);
   auto ph_host = paddle::distributed::PSHost(ip_, port_, 0);
-  host_sign_list_.push_back(ph_host.serialize_to_string());
+  host_sign_list_.push_back(ph_host.SerializeToString());
 
   // test-start
   auto ph_host2 = paddle::distributed::PSHost(ip2, port2, 1);
-  host_sign_list_.push_back(ph_host2.serialize_to_string());
+  host_sign_list_.push_back(ph_host2.SerializeToString());
   // test-end
   // Srart Server
   std::thread* server_thread = new std::thread(RunServer);
@@ -247,7 +247,7 @@ void RunGraphSplit() {
       0, std::string(graph_split_file_name));
   pull_status.wait();
   pull_status =
-      worker_ptr_->load(0, std::string(edge_file_name), std::string("e>"));
+      worker_ptr_->Load(0, std::string(edge_file_name), std::string("e>"));
   srand(time(0));
   pull_status.wait();
   std::vector<std::vector<int64_t>> _vs;
@@ -266,9 +266,9 @@ void RunGraphSplit() {
   std::remove(node_file_name);
   std::remove(graph_split_file_name);
   LOG(INFO) << "Run stop_server";
-  worker_ptr_->stop_server();
+  worker_ptr_->StopServer();
   LOG(INFO) << "Run finalize_worker";
-  worker_ptr_->finalize_worker();
+  worker_ptr_->FinalizeWorker();
 }
 
 TEST(RunGraphSplit, Run) { RunGraphSplit(); }

paddle/fluid/distributed/test/graph_node_test.cc

@@ -348,16 +348,16 @@ void RunServer() {
   ::paddle::distributed::PSParameter server_proto = GetServerProto();
 
   auto _ps_env = paddle::distributed::PaddlePSEnvironment();
-  _ps_env.set_ps_servers(&host_sign_list_, 2);  // test
+  _ps_env.SetPsServers(&host_sign_list_, 2);  // test
   pserver_ptr_ = std::shared_ptr<paddle::distributed::GraphBrpcServer>(
       (paddle::distributed::GraphBrpcServer*)
-          paddle::distributed::PSServerFactory::create(server_proto));
+          paddle::distributed::PSServerFactory::Create(server_proto));
   std::vector<framework::ProgramDesc> empty_vec;
   framework::ProgramDesc empty_prog;
   empty_vec.push_back(empty_prog);
-  pserver_ptr_->configure(server_proto, _ps_env, 0, empty_vec);
+  pserver_ptr_->Configure(server_proto, _ps_env, 0, empty_vec);
   LOG(INFO) << "first server, run start(ip,port)";
-  pserver_ptr_->start(ip_, port_);
+  pserver_ptr_->Start(ip_, port_);
   pserver_ptr_->build_peer2peer_connection(0);
   LOG(INFO) << "init first server Done";
 }
@@ -367,15 +367,15 @@ void RunServer2() {
   ::paddle::distributed::PSParameter server_proto2 = GetServerProto();
 
   auto _ps_env2 = paddle::distributed::PaddlePSEnvironment();
-  _ps_env2.set_ps_servers(&host_sign_list_, 2);  // test
+  _ps_env2.SetPsServers(&host_sign_list_, 2);  // test
   pserver_ptr2 = std::shared_ptr<paddle::distributed::GraphBrpcServer>(
       (paddle::distributed::GraphBrpcServer*)
-          paddle::distributed::PSServerFactory::create(server_proto2));
+          paddle::distributed::PSServerFactory::Create(server_proto2));
   std::vector<framework::ProgramDesc> empty_vec2;
   framework::ProgramDesc empty_prog2;
   empty_vec2.push_back(empty_prog2);
-  pserver_ptr2->configure(server_proto2, _ps_env2, 1, empty_vec2);
-  pserver_ptr2->start(ip2, port2);
+  pserver_ptr2->Configure(server_proto2, _ps_env2, 1, empty_vec2);
+  pserver_ptr2->Start(ip2, port2);
   pserver_ptr2->build_peer2peer_connection(1);
 }
 
@@ -386,11 +386,11 @@ void RunClient(
   paddle::distributed::PaddlePSEnvironment _ps_env;
   auto servers_ = host_sign_list_.size();
   _ps_env = paddle::distributed::PaddlePSEnvironment();
-  _ps_env.set_ps_servers(&host_sign_list_, servers_);
+  _ps_env.SetPsServers(&host_sign_list_, servers_);
   worker_ptr_ = std::shared_ptr<paddle::distributed::GraphBrpcClient>(
       (paddle::distributed::GraphBrpcClient*)
-          paddle::distributed::PSClientFactory::create(worker_proto));
-  worker_ptr_->configure(worker_proto, dense_regions, _ps_env, 0);
+          paddle::distributed::PSClientFactory::Create(worker_proto));
+  worker_ptr_->Configure(worker_proto, dense_regions, _ps_env, 0);
   worker_ptr_->set_shard_num(127);
   worker_ptr_->set_local_channel(index);
   worker_ptr_->set_local_graph_service(
@@ -404,11 +404,11 @@ void RunBrpcPushSparse() {
   prepare_file(edge_file_name, 1);
   prepare_file(node_file_name, 0);
   auto ph_host = paddle::distributed::PSHost(ip_, port_, 0);
-  host_sign_list_.push_back(ph_host.serialize_to_string());
+  host_sign_list_.push_back(ph_host.SerializeToString());
 
   // test-start
   auto ph_host2 = paddle::distributed::PSHost(ip2, port2, 1);
-  host_sign_list_.push_back(ph_host2.serialize_to_string());
+  host_sign_list_.push_back(ph_host2.SerializeToString());
   // test-end
   // Srart Server
   std::thread* server_thread = new std::thread(RunServer);
@@ -424,7 +424,7 @@ void RunBrpcPushSparse() {
 
   /*-----------------------Test Server Init----------------------------------*/
   auto pull_status =
-      worker_ptr_->load(0, std::string(edge_file_name), std::string("e>"));
+      worker_ptr_->Load(0, std::string(edge_file_name), std::string("e>"));
   srand(time(0));
   pull_status.wait();
   std::vector<std::vector<int64_t>> _vs;
@@ -438,7 +438,7 @@ void RunBrpcPushSparse() {
   pull_status.wait();
   ASSERT_EQ(0, _vs[0].size());
   paddle::distributed::GraphTable* g =
-      (paddle::distributed::GraphTable*)pserver_ptr_->table(0);
+      (paddle::distributed::GraphTable*)pserver_ptr_->GetTable(0);
   size_t ttl = 6;
   g->make_neighbor_sample_cache(4, ttl);
   int round = 5;
@@ -622,15 +622,15 @@ void RunBrpcPushSparse() {
   std::remove(node_file_name);
   testAddNode(worker_ptr_);
   LOG(INFO) << "Run stop_server";
-  worker_ptr_->stop_server();
+  worker_ptr_->StopServer();
   LOG(INFO) << "Run finalize_worker";
-  worker_ptr_->finalize_worker();
+  worker_ptr_->FinalizeWorker();
   testFeatureNodeSerializeInt();
   testFeatureNodeSerializeInt64();
   testFeatureNodeSerializeFloat32();
   testFeatureNodeSerializeFloat64();
   testGraphToBuffer();
-  client1.stop_server();
+  client1.StopServer();
 }
 
 void testCache() {
@@ -700,4 +700,4 @@ void testGraphToBuffer() {
   VLOG(0) << s1.get_feature(0);
 }
 
-TEST(RunBrpcPushSparse, Run) { RunBrpcPushSparse(); }
+TEST(RunBrpcPushSparse, Run) { RunBrpcPushSparse(); }
\ No newline at end of file

paddle/fluid/distributed/test/memory_geo_table_test.cc

@@ -48,7 +48,7 @@ TEST(MemorySparseGeoTable, SSUM) {
   common_config->add_dims(emb_dim);
   common_config->add_initializers("fill_constant&1.0");
 
-  auto ret = table->initialize(table_config, fs_config);
+  auto ret = table->Initialize(table_config, fs_config);
   ASSERT_EQ(ret, 0);
 
   // test push_sparse_param, and create params
@@ -58,12 +58,12 @@ TEST(MemorySparseGeoTable, SSUM) {
   for (size_t i = 0; i < init_keys.size() * emb_dim; i++) {
     init_values.push_back(0.0);
   }
-  table->push_sparse_param(init_keys.data(), init_values.data(),
-                           init_keys.size());
+  table->PushSparseParam(init_keys.data(), init_values.data(),
+                         init_keys.size());
 
   std::vector<float> pull_values(init_values.size());
   auto value = PullSparseValue(init_keys, init_fres, emb_dim);
-  table->pull_sparse(pull_values.data(), value);
+  table->PullSparse(pull_values.data(), value);
 
   for (size_t i = 0; i < init_keys.size() * emb_dim; i++) {
     ASSERT_TRUE(abs(pull_values[i] - init_values[i]) < 1e-5);
@@ -93,8 +93,7 @@ TEST(MemorySparseGeoTable, SSUM) {
     auto &push_keys = trainer_keys[i];
     auto &push_values = trainer_values[i];
     auto task = [table, &push_keys, &push_values] {
-      table->push_sparse(push_keys.data(), push_values.data(),
-                         push_keys.size());
+      table->PushSparse(push_keys.data(), push_values.data(), push_keys.size());
     };
     task_status.push_back(pool_->enqueue(std::move(task)));
   }
@@ -107,7 +106,7 @@ TEST(MemorySparseGeoTable, SSUM) {
   geo_pull_ids.resize(trainers);
   geo_pull_values.resize(trainers);
   for (int i = 0; i < trainers; i++) {
-    table->pull_geo_param(i, &geo_pull_values[i], &geo_pull_ids[i]);
+    table->PullGeoParam(i, &geo_pull_values[i], &geo_pull_ids[i]);
     ASSERT_EQ(geo_pull_values[i].size(), geo_pull_ids[i].size() * emb_dim);
     for (size_t j = 0; j < geo_pull_ids[i].size(); ++j) {
       auto id = geo_pull_ids[i][j];

paddle/fluid/distributed/test/memory_sparse_table_test.cc

@@ -36,7 +36,7 @@ TEST(MemorySparseTable, SGD) {
   table_config.set_shard_num(10);
   FsClientParameter fs_config;
   Table *table = new MemorySparseTable();
-  table->set_shard(0, 1);
+  table->SetShard(0, 1);
 
   TableAccessorParameter *accessor_config = table_config.mutable_accessor();
   accessor_config->set_accessor_class("CtrCommonAccessor");
@@ -66,7 +66,7 @@ TEST(MemorySparseTable, SGD) {
   naive_param->add_weight_bounds(-10.0);
   naive_param->add_weight_bounds(10.0);
 
-  auto ret = table->initialize(table_config, fs_config);
+  auto ret = table->Initialize(table_config, fs_config);
   ASSERT_EQ(ret, 0);
 
   // pull parameters for create and check
@@ -76,7 +76,7 @@ TEST(MemorySparseTable, SGD) {
   std::vector<float> init_values;
   init_values.resize(init_keys.size() * (emb_dim + 3));
   auto value = PullSparseValue(init_keys, init_fres, emb_dim);
-  table->pull_sparse(init_values.data(), value);
+  table->PullSparse(init_values.data(), value);
 
   // for check
   std::vector<float> total_gradients;
@@ -109,8 +109,7 @@ TEST(MemorySparseTable, SGD) {
     auto &push_keys = trainer_keys[i];
     auto &push_values = trainer_gradient_values[i];
     auto task = [table, &push_keys, &push_values] {
-      table->push_sparse(push_keys.data(), push_values.data(),
-                         push_keys.size());
+      table->PushSparse(push_keys.data(), push_values.data(), push_keys.size());
     };
     task_status.push_back(pool_->enqueue(std::move(task)));
   }
@@ -120,7 +119,7 @@ TEST(MemorySparseTable, SGD) {
 
   std::vector<float> pull_values;
   pull_values.resize(init_keys.size() * (emb_dim + 3));
-  table->pull_sparse(pull_values.data(), value);
+  table->PullSparse(pull_values.data(), value);
 
   for (size_t i = 0; i < init_keys.size(); ++i) {
     for (size_t j = 2; j < emb_dim + 3; ++j) {
@@ -133,7 +132,7 @@ TEST(MemorySparseTable, SGD) {
   }
 
   MemorySparseTable *ctr_table = dynamic_cast<MemorySparseTable *>(table);
-  ctr_table->save_local_fs("./work/table.save", "0", "test");
+  ctr_table->SaveLocalFS("./work/table.save", "0", "test");
 }
 
 }  // namespace distributed

paddle/fluid/distributed/test/table_test.cc

@@ -26,7 +26,7 @@ TEST(Table, Initialize) {
   FsClientParameter fs_config;
   // case 1. no accessor
   Table *table = new SparseGeoTable();
-  auto ret = table->initialize(table_config, fs_config);
+  auto ret = table->Initialize(table_config, fs_config);
   ASSERT_EQ(ret, -1);
 }
 }  // namespace distributed

paddle/fluid/framework/fleet/ps_gpu_wrapper.cc

@@ -343,7 +343,7 @@ void PSGPUWrapper::BuildPull(std::shared_ptr<HeterContext> gpu_task) {
 #ifdef PADDLE_WITH_PSCORE
     int32_t cnt = 0;
     while (true) {
-      auto tt = fleet_ptr->worker_ptr_->pull_sparse_ptr(
+      auto tt = fleet_ptr->worker_ptr_->PullSparsePtr(
           reinterpret_cast<char**>(local_ptr[i].data()), this->table_id_,
           local_keys[i].data(), key_size);
       bool flag = true;

paddle/fluid/framework/multi_trainer.cc

@@ -276,7 +276,7 @@ void MultiTrainer::Finalize() {
   if (communicator == nullptr) {
     VLOG(0) << "MultiTrainer::Finalize communicator is null!";
   } else {
-    communicator->_worker_ptr->flush();
+    communicator->_worker_ptr->Flush();
     VLOG(1) << "MultiTrainer::Finalize ps client flush done";
   }
 #endif

paddle/fluid/pybind/fleet_py.cc

@@ -86,11 +86,11 @@ void BindDistFleetWrapper(py::module* m) {
 void BindPSHost(py::module* m) {
   py::class_<distributed::PSHost>(*m, "PSHost")
       .def(py::init<const std::string&, uint32_t, uint32_t>())
-      .def("serialize_to_string", &distributed::PSHost::serialize_to_string)
-      .def("parse_from_string", &distributed::PSHost::parse_from_string)
-      .def("to_uint64", &distributed::PSHost::serialize_to_uint64)
-      .def("from_uint64", &distributed::PSHost::parse_from_uint64)
-      .def("to_string", &distributed::PSHost::to_string);
+      .def("serialize_to_string", &distributed::PSHost::SerializeToString)
+      .def("parse_from_string", &distributed::PSHost::ParseFromString)
+      .def("to_uint64", &distributed::PSHost::SerializeToUint64)
+      .def("from_uint64", &distributed::PSHost::ParseFromUint64)
+      .def("to_string", &distributed::PSHost::ToString);
 }
 
 void BindSparseShardingTools(py::module* m) {
@@ -224,7 +224,7 @@ void BindGraphPyClient(py::module* m) {
            &GraphPyClient::use_neighbors_sample_cache)
       .def("remove_graph_node", &GraphPyClient::remove_graph_node)
       .def("random_sample_nodes", &GraphPyClient::random_sample_nodes)
-      .def("stop_server", &GraphPyClient::stop_server)
+      .def("stop_server", &GraphPyClient::StopServer)
       .def("get_node_feat",
            [](GraphPyClient& self, std::string node_type,
               std::vector<int64_t> node_ids,