safe map in heter server (#42276)

* back fl * delete ssl cert * . * make warning * . * unittest paral degree * solve unittest * heter & multi cloud commm ready * . * . * arm_brpc compile * . * . * . * . * . * . * . * . * . * . * . * . * . * . * only output is ok * base is ok * . * . * . * . * . * . * . * . * add switch server bin * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * adapt brpc ssl * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * fix heter_server & heter_client * . * . * int->int64_t * . * safe map in multithread * fix heter unitest * . * fix code_style * .

safe map in heter server (#42276)
* back fl * delete ssl cert * . * make warning * . * unittest paral degree * solve unittest * heter & multi cloud commm ready * . * . * arm_brpc compile * . * . * . * . * . * . * . * . * . * . * . * . * . * . * only output is ok * base is ok * . * . * . * . * . * . * . * . * add switch server bin * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * adapt brpc ssl * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * . * fix heter_server & heter_client * . * . * int->int64_t * . * safe map in multithread * fix heter unitest * . * fix code_style * .
66f1e82f · ziyoujiyi · GitHub · 5063546a · 66f1e82f · 66f1e82f
4 changed file
--- a/paddle/fluid/distributed/ps/service/heter_client.cc
+++ b/paddle/fluid/distributed/ps/service/heter_client.cc
@@ -23,6 +23,8 @@ DEFINE_int32(switch_send_recv_timeout_s, 600, "switch_send_recv_timeout_s");
 namespace paddle {
 namespace distributed {
 std::shared_ptr<HeterClient> HeterClient::s_instance_ = nullptr;
+std::mutex HeterClient::mtx_;
+std::shared_ptr<HeterClient> HeterClient::switch_s_instance_ = nullptr;
 int GetMicroId(const platform::DeviceContext& ctx,
               const framework::Scope* scope) {

--- a/paddle/fluid/distributed/ps/service/heter_client.h
+++ b/paddle/fluid/distributed/ps/service/heter_client.h
@@ -169,16 +169,22 @@ class HeterClient {
  }
  // switch client singleton
-  static HeterClient& GetSwitchInstance(
+  static std::shared_ptr<HeterClient> GetSwitchInstance(
      const std::vector<std::string>& peer_endpoints, int32_t peer_role) {
-    static HeterClient switch_s_instance_;
+    if (switch_s_instance_ == nullptr) {
+      std::unique_lock<std::mutex> lock(mtx_);
      if (peer_endpoints.empty()) {
        VLOG(4) << "init switch client failed, null peer_endpoints";
      }
      VLOG(4) << "peer role is: " << peer_role
              << ", addr is: " << peer_endpoints[0];
-    switch_s_instance_.SetPeerSwitchList(peer_endpoints);
+      if (switch_s_instance_ == nullptr) {
-    switch_s_instance_.InitClientChannels(false, peer_endpoints, peer_role);
+        switch_s_instance_.reset(new HeterClient());
+        switch_s_instance_->SetPeerSwitchList(peer_endpoints);
+        switch_s_instance_->InitClientChannels(false, peer_endpoints,
+                                               peer_role);
+      }
+    }
    return switch_s_instance_;
  }
@@ -230,6 +236,8 @@ class HeterClient {
  HeterClient(const HeterClient&);
  static std::shared_ptr<HeterClient> s_instance_;
+  static std::mutex mtx_;
+  static std::shared_ptr<HeterClient> switch_s_instance_;
  std::vector<std::shared_ptr<brpc::Channel>> xpu_channels_;
  std::vector<std::shared_ptr<brpc::Channel>> previous_xpu_channels_;

--- a/paddle/fluid/distributed/ps/service/heter_server.h
+++ b/paddle/fluid/distributed/ps/service/heter_server.h
@@ -144,31 +144,41 @@ class SendAndRecvVariableHandler final : public ServiceHandlerBase {
                            brpc::Controller* cntl);
  void WaitForVarsConsumed(int32_t group_id, const std::string& var_name) {
-    timeline_.Start();
+    // timeline_.Start();
    while (true) {
+      {
+        std::lock_guard<std::mutex> lock(scope_mutex_);
        if (vars_ready_flag[group_id][var_name] == 0) {
          break;
        }
+      }
+      /*
      timeline_.Pause();
      if (timeline_.ElapsedSec() > FLAGS_switch_send_recv_timeout_s) {
        VLOG(0) << "vars not consumed exceed 10 miniutes";
        break;
      }
+      */
    }
    return;
  }
  void WaitForVarsProduced(int32_t group_id, const std::string& var_name) {
-    timeline_.Start();
+    // timeline_.Start();
    while (true) {
+      {
+        std::lock_guard<std::mutex> lock(scope_mutex_);
        if (vars_ready_flag[group_id][var_name] == 1) {
          break;
        }
+      }
+      /*
      timeline_.Pause();
      if (timeline_.ElapsedSec() > FLAGS_switch_send_recv_timeout_s) {
        VLOG(0) << "vars not produced exceed 10 miniutes";
        break;
      }
+      */
    }
    return;
  }
@@ -379,12 +389,12 @@ class HeterService : public PsService {
                            ::google::protobuf::Closure* done) {
    VLOG(4) << "entering SendToSwitch";
    brpc::ClosureGuard done_guard(done);
-    auto& switch_client_ptr_ =
+    std::shared_ptr<HeterClient> switch_client_ptr_ =
        HeterClient::GetSwitchInstance(peer_endpoints_, PEER_ROLE_IS_SWITCH);
-    if (switch_client_ptr_.peer_switch_channels_.empty()) {
+    if (switch_client_ptr_->peer_switch_channels_.empty()) {
-      LOG(ERROR) << "switch_client_ptr_.peer_switch_channels_ null";
+      LOG(ERROR) << "switch_client_ptr_->peer_switch_channels_ null";
    }
-    brpc::Channel* channel = switch_client_ptr_.peer_switch_channels_[0].get();
+    brpc::Channel* channel = switch_client_ptr_->peer_switch_channels_[0].get();
    brpc::Controller* cntl = static_cast<brpc::Controller*>(controller);
    // proxy: 定义新的 OnHeterRpcDone 对象（或者在类 OnHeterRpcDone 中 reset）
    OnHeterRpcDone* closure2 = new OnHeterRpcDone([](void* done) {
@@ -414,6 +424,7 @@ class HeterService : public PsService {
        std_cntl.response_attachment().movable());
    fut.wait();
    VLOG(4) << "SendToSwitch done";
+    delete closure2;
  }
  void SendS2S(::google::protobuf::RpcController* controller,
@@ -446,11 +457,11 @@ class HeterService : public PsService {
    brpc::ClosureGuard done_guard(done);
    brpc::Controller* cntl = static_cast<brpc::Controller*>(controller);
    VLOG(4) << "SendToWorker(client addr) =" << cntl->remote_side();
-    auto& switch_client_ptr_ =
+    std::shared_ptr<distributed::HeterClient> switch_client_ptr_ =
        HeterClient::GetSwitchInstance(peer_endpoints_, PEER_ROLE_IS_WORKER);
    VLOG(4) << "in switch client, peer worker 0: "
-            << switch_client_ptr_.peer_worker_list_[0];
+            << switch_client_ptr_->peer_worker_list_[0];
-    brpc::Channel* channel = switch_client_ptr_.peer_worker_channels_[0].get();
+    brpc::Channel* channel = switch_client_ptr_->peer_worker_channels_[0].get();
    auto* closure = reinterpret_cast<OnHeterRpcDone*>(done);
    PsService_Stub stub(channel);

--- a/paddle/fluid/operators/pscore/heter_cloud_comm_cpu_test.cc
+++ b/paddle/fluid/operators/pscore/heter_cloud_comm_cpu_test.cc
@@ -122,6 +122,7 @@ void TestShardSendRecv(
 void PressTestSendRecv(
    std::shared_ptr<distributed::HeterClient> heter_client_ptr_) {
  // long l = 0, m = 0;
+  // https://paddlerec.bj.bcebos.com/online_infer/arm_brpc_ubuntu18/send_20_34
  std::ifstream file("/send_20_34", std::ios::in | std::ios::binary);
  // l = file.tellg();
  // file.seekg(0, std::ios::end);
@@ -129,13 +130,13 @@ void PressTestSendRecv(
  // file.close();
  // VLOG(0) << "size of file " << "20_34" << " is " << (m - l) << " bytes.\n";
  int64_t vars_len = 2359296 * sizeof(float);
-  int64_t data_size = vars_len * sizeof(float);
+  int64_t data_size = vars_len;
  VLOG(0) << "float num: " << data_size;
  float* data_ptr = new float[data_size];
  file.read((char*)data_ptr, 9437184);
  VLOG(0) << "send data is: " << data_ptr[0] << ", " << data_ptr[1];
  std::vector<std::string> var_names{"34"};
-  int loopCnt = 600;
+  int loopCnt = 10000;
  auto send_async = [&]() -> void {
    int i = 0;
    while (i++ < loopCnt) {
@@ -254,8 +255,8 @@ TEST(HETERSENDANDRECV, CPU) {
  exe.Prepare(program, 0);  // solve undefined symbol: tensor_table.cc
  // TestScopeSendRecv(heter_client_ptr_);
-  TestShardSendRecv(heter_client_ptr_);
+  // TestShardSendRecv(heter_client_ptr_);
-  // PressTestSendRecv(heter_client_ptr_);
+  PressTestSendRecv(heter_client_ptr_);
  switch_server_ptr_a->Stop();
  LOG(INFO) << "switch server A stopped";