add slot to sparse table (#18686)

The change includes 2 things:

1. save delta model and shrink table are control by the same parameter before, now add delete_after_unseen_days to control shrink table.
2. value in sparse table has no slot before, now add slot in sparse table, and add DownpureCtrAccessor to support the new meta.
test=develop

paddle/fluid/framework/device_worker.h

@@ -179,6 +179,7 @@ class DownpourWorker : public HogwildWorker {
 
  private:
   bool need_to_push_dense_;
+  bool dump_slot_;
   bool need_to_push_sparse_;
   DownpourWorkerParameter param_;
   // just save the value in param_ for easy access
@@ -285,7 +286,6 @@ class SectionWorker : public DeviceWorker {
   int section_num_;
   int pipeline_num_;
   int thread_id_;
-
   // This worker will consume scope from in_scope_queue_
   // and produce scope to out_scope_queue_
   ScopeQueue* in_scope_queue_ = nullptr;

paddle/fluid/framework/downpour_worker.cc

@@ -64,6 +64,7 @@ void DownpourWorker::Initialize(const TrainerDesc& desc) {
   fleet_ptr_ = FleetWrapper::GetInstance();
   fetch_config_ = desc.fetch_config();
   use_cvm_ = desc.use_cvm();
+  dump_slot_ = desc.dump_slot();
 }
 
 void DownpourWorker::CollectLabelInfo(size_t table_idx) {
@@ -282,7 +283,8 @@ void DownpourWorker::TrainFilesWithProfiler() {
         fleet_ptr_->PushSparseVarsWithLabelAsync(
             *thread_scope_, tid, features_[tid], feature_labels_[tid],
             sparse_key_names_[tid], sparse_grad_names_[tid], table.emb_dim(),
-            &feature_grads_[tid], &push_sparse_status_, cur_batch, use_cvm_);
+            &feature_grads_[tid], &push_sparse_status_, cur_batch, use_cvm_,
+            dump_slot_);
         timeline.Pause();
         push_sparse_time += timeline.ElapsedSec();
         total_time += timeline.ElapsedSec();
@@ -454,7 +456,8 @@ void DownpourWorker::TrainFiles() {
         fleet_ptr_->PushSparseVarsWithLabelAsync(
             *thread_scope_, tid, features_[tid], feature_labels_[tid],
             sparse_key_names_[tid], sparse_grad_names_[tid], table.emb_dim(),
-            &feature_grads_[tid], &push_sparse_status_, cur_batch, use_cvm_);
+            &feature_grads_[tid], &push_sparse_status_, cur_batch, use_cvm_,
+            dump_slot_);
       }
     }
 

paddle/fluid/framework/fleet/fleet_wrapper.cc

@@ -288,19 +288,27 @@ void FleetWrapper::PushSparseVarsWithLabelAsync(
     const std::vector<std::string>& sparse_grad_names, const int emb_dim,
     std::vector<std::vector<float>>* push_values,
     std::vector<::std::future<int32_t>>* push_sparse_status,
-    const int batch_size, const bool use_cvm) {
+    const int batch_size, const bool use_cvm, const bool dump_slot) {
 #ifdef PADDLE_WITH_PSLIB
   int offset = 2;
+  int slot_offset = 0;
   int grad_dim = emb_dim;
+  int show_index = 0;
+  int click_index = 1;
   if (use_cvm) {
     offset = 0;
     grad_dim = emb_dim - 2;
   }
+  if (dump_slot) {
+    slot_offset = 1;
+    show_index = 1;
+    click_index = 2;
+  }
   CHECK_GE(grad_dim, 0);
 
   push_values->resize(fea_keys.size() + 1);
   for (auto& t : *push_values) {
-    t.resize(emb_dim + offset);
+    t.resize(emb_dim + offset + slot_offset);
   }
   uint64_t fea_idx = 0u;
   for (size_t i = 0; i < sparse_key_names.size(); ++i) {
@@ -315,7 +323,10 @@ void FleetWrapper::PushSparseVarsWithLabelAsync(
     }
     int len = tensor->numel();
     int64_t* ids = tensor->data<int64_t>();
-
+    int slot = 0;
+    if (dump_slot) {
+      slot = boost::lexical_cast<int>(sparse_key_names[i]);
+    }
     Variable* g_var = scope.FindVar(sparse_grad_names[i]);
     CHECK(g_var != nullptr) << "var[" << sparse_grad_names[i] << "] not found";
     LoDTensor* g_tensor = g_var->GetMutable<LoDTensor>();
@@ -339,14 +350,19 @@ void FleetWrapper::PushSparseVarsWithLabelAsync(
       }
       CHECK(fea_idx < (*push_values).size());
       CHECK(fea_idx < fea_labels.size());
+
       if (use_cvm) {
-        memcpy((*push_values)[fea_idx].data() + offset, g,
+        memcpy((*push_values)[fea_idx].data() + offset + slot_offset, g,
                sizeof(float) * emb_dim);
       } else {
-        memcpy((*push_values)[fea_idx].data() + offset, g,
+        memcpy((*push_values)[fea_idx].data() + offset + slot_offset, g,
                sizeof(float) * emb_dim);
-        (*push_values)[fea_idx][0] = 1.0f;
-        (*push_values)[fea_idx][1] = static_cast<float>(fea_labels[fea_idx]);
+        (*push_values)[fea_idx][show_index] = 1.0f;
+        (*push_values)[fea_idx][click_index] =
+            static_cast<float>(fea_labels[fea_idx]);
+      }
+      if (dump_slot) {
+        (*push_values)[fea_idx][0] = static_cast<float>(slot);
       }
       g += emb_dim;
       fea_idx++;

paddle/fluid/framework/fleet/fleet_wrapper.h

@@ -100,7 +100,7 @@ class FleetWrapper {
       const std::vector<std::string>& sparse_grad_names, const int emb_dim,
       std::vector<std::vector<float>>* push_values,
       std::vector<::std::future<int32_t>>* push_sparse_status,
-      const int batch_size, const bool use_cvm);
+      const int batch_size, const bool use_cvm, const bool dump_slot);
 
   // Push sparse variables to server in Async mode
   // Param<In>: scope, table_id, fea_keys, sparse_grad_names

paddle/fluid/framework/trainer_desc.proto

@@ -33,6 +33,7 @@ message TrainerDesc {
   optional bool debug = 6 [ default = false ];
   optional FetchConfig fetch_config = 7;
   optional bool use_cvm = 8 [ default = false ];
+  optional bool dump_slot = 9 [ default = false ];
 
   // device worker parameters
   optional HogwildWorkerParameter hogwild_param = 101;

python/paddle/fluid/incubate/fleet/parameter_server/pslib/node.py

@@ -75,7 +75,7 @@ class DownpourServer(Server):
         table.type = pslib.PS_SPARSE_TABLE
         table.compress_in_save = True
         table.shard_num = 1000
-        table.accessor.accessor_class = "DownpourFeatureValueAccessor"
+        table.accessor.accessor_class = "DownpourCtrAccessor"
         table.accessor.sparse_sgd_param.learning_rate = learning_rate
         table.accessor.sparse_sgd_param.initial_g2sum = 3
         table.accessor.sparse_sgd_param.initial_range = 1e-4
@@ -88,7 +88,8 @@ class DownpourServer(Server):
         table.accessor.downpour_accessor_param.click_coeff = 2
         table.accessor.downpour_accessor_param.base_threshold = 0.2
         table.accessor.downpour_accessor_param.delta_threshold = 0.15
-        table.accessor.downpour_accessor_param.delta_keep_days = 31
+        table.accessor.downpour_accessor_param.delta_keep_days = 16
+        table.accessor.downpour_accessor_param.delete_after_unseen_days = 30
         table.accessor.downpour_accessor_param.show_click_decay_rate = 0.999
         table.accessor.downpour_accessor_param.delete_threshold = 0.8
 

python/paddle/fluid/incubate/fleet/parameter_server/pslib/optimizer_factory.py

@@ -162,6 +162,10 @@ class DistributedAdam(DistributedOptimizerImplBase):
         opt_info["fleet_desc"] = ps_param
         opt_info["worker_skipped_ops"] = worker_skipped_ops
         opt_info["use_cvm"] = strategy.get("use_cvm", False)
+        opt_info["dump_slot"] = False
+        if server._server.downpour_server_param.downpour_table_param[
+                0].accessor.accessor_class == "DownpourCtrAccessor":
+            opt_info["dump_slot"] = True
 
         for loss in losses:
             loss.block.program._fleet_opt = opt_info

python/paddle/fluid/incubate/fleet/parameter_server/pslib/ps_pb2.py

@@ -32,7 +32,7 @@ DESCRIPTOR = _descriptor.FileDescriptor(
     package='paddle',
     syntax='proto2',
     serialized_pb=_b(
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     ))
 _sym_db.RegisterFileDescriptor(DESCRIPTOR)
 
@@ -49,8 +49,8 @@ _TABLETYPE = _descriptor.EnumDescriptor(
     ],
     containing_type=None,
     options=None,
-    serialized_start=3494,
-    serialized_end=3546, )
+    serialized_start=3528,
+    serialized_end=3580, )
 _sym_db.RegisterEnumDescriptor(_TABLETYPE)
 
 TableType = enum_type_wrapper.EnumTypeWrapper(_TABLETYPE)
@@ -134,8 +134,8 @@ _PSCMDID = _descriptor.EnumDescriptor(
     ],
     containing_type=None,
     options=None,
-    serialized_start=3549,
-    serialized_end=3866, )
+    serialized_start=3583,
+    serialized_end=3900, )
 _sym_db.RegisterEnumDescriptor(_PSCMDID)
 
 PsCmdID = enum_type_wrapper.EnumTypeWrapper(_PSCMDID)
@@ -168,8 +168,8 @@ _FSCLIENTPARAMETER_FSAPITYPE = _descriptor.EnumDescriptor(
     ],
     containing_type=None,
     options=None,
-    serialized_start=3462,
-    serialized_end=3492, )
+    serialized_start=3496,
+    serialized_end=3526, )
 _sym_db.RegisterEnumDescriptor(_FSCLIENTPARAMETER_FSAPITYPE)
 
 _PSPARAMETER = _descriptor.Descriptor(
@@ -1335,6 +1335,22 @@ _DOWNPOURTABLEACCESSORPARAMETER = _descriptor.Descriptor(
             is_extension=False,
             extension_scope=None,
             options=None),
+        _descriptor.FieldDescriptor(
+            name='delete_after_unseen_days',
+            full_name='paddle.DownpourTableAccessorParameter.delete_after_unseen_days',
+            index=7,
+            number=8,
+            type=2,
+            cpp_type=6,
+            label=1,
+            has_default_value=False,
+            default_value=float(0),
+            message_type=None,
+            enum_type=None,
+            containing_type=None,
+            is_extension=False,
+            extension_scope=None,
+            options=None),
     ],
     extensions=[],
     nested_types=[],
@@ -1345,7 +1361,7 @@ _DOWNPOURTABLEACCESSORPARAMETER = _descriptor.Descriptor(
     extension_ranges=[],
     oneofs=[],
     serialized_start=2144,
-    serialized_end=2350, )
+    serialized_end=2384, )
 
 _TABLEACCESSORSAVEPARAMETER = _descriptor.Descriptor(
     name='TableAccessorSaveParameter',
@@ -1411,8 +1427,8 @@ _TABLEACCESSORSAVEPARAMETER = _descriptor.Descriptor(
     syntax='proto2',
     extension_ranges=[],
     oneofs=[],
-    serialized_start=2352,
-    serialized_end=2435, )
+    serialized_start=2386,
+    serialized_end=2469, )
 
 _PSREQUESTMESSAGE = _descriptor.Descriptor(
     name='PsRequestMessage',
@@ -1510,8 +1526,8 @@ _PSREQUESTMESSAGE = _descriptor.Descriptor(
     syntax='proto2',
     extension_ranges=[],
     oneofs=[],
-    serialized_start=2437,
-    serialized_end=2538, )
+    serialized_start=2471,
+    serialized_end=2572, )
 
 _SPARSESGDRULEPARAMETER = _descriptor.Descriptor(
     name='SparseSGDRuleParameter',
@@ -1593,8 +1609,8 @@ _SPARSESGDRULEPARAMETER = _descriptor.Descriptor(
     syntax='proto2',
     extension_ranges=[],
     oneofs=[],
-    serialized_start=2540,
-    serialized_end=2659, )
+    serialized_start=2574,
+    serialized_end=2693, )
 
 _DENSESGDRULEPARAMETER = _descriptor.Descriptor(
     name='DenseSGDRuleParameter',
@@ -1692,8 +1708,8 @@ _DENSESGDRULEPARAMETER = _descriptor.Descriptor(
     syntax='proto2',
     extension_ranges=[],
     oneofs=[],
-    serialized_start=2662,
-    serialized_end=2887, )
+    serialized_start=2696,
+    serialized_end=2921, )
 
 _ADAMSGDPARAMETER = _descriptor.Descriptor(
     name='AdamSGDParameter',
@@ -1791,8 +1807,8 @@ _ADAMSGDPARAMETER = _descriptor.Descriptor(
     syntax='proto2',
     extension_ranges=[],
     oneofs=[],
-    serialized_start=2890,
-    serialized_end=3024, )
+    serialized_start=2924,
+    serialized_end=3058, )
 
 _NAIVESGDPARAMETER = _descriptor.Descriptor(
     name='NaiveSGDParameter',
@@ -1842,8 +1858,8 @@ _NAIVESGDPARAMETER = _descriptor.Descriptor(
     syntax='proto2',
     extension_ranges=[],
     oneofs=[],
-    serialized_start=3026,
-    serialized_end=3092, )
+    serialized_start=3060,
+    serialized_end=3126, )
 
 _SUMMARYSGDPARAMETER = _descriptor.Descriptor(
     name='SummarySGDParameter',
@@ -1877,8 +1893,8 @@ _SUMMARYSGDPARAMETER = _descriptor.Descriptor(
     syntax='proto2',
     extension_ranges=[],
     oneofs=[],
-    serialized_start=3094,
-    serialized_end=3153, )
+    serialized_start=3128,
+    serialized_end=3187, )
 
 _MOVINGAVERAGERULEPARAMETER = _descriptor.Descriptor(
     name='MovingAverageRuleParameter',
@@ -1912,8 +1928,8 @@ _MOVINGAVERAGERULEPARAMETER = _descriptor.Descriptor(
     syntax='proto2',
     extension_ranges=[],
     oneofs=[],
-    serialized_start=3155,
-    serialized_end=3201, )
+    serialized_start=3189,
+    serialized_end=3235, )
 
 _PSRESPONSEMESSAGE = _descriptor.Descriptor(
     name='PsResponseMessage',
@@ -1979,8 +1995,8 @@ _PSRESPONSEMESSAGE = _descriptor.Descriptor(
     syntax='proto2',
     extension_ranges=[],
     oneofs=[],
-    serialized_start=3203,
-    serialized_end=3276, )
+    serialized_start=3237,
+    serialized_end=3310, )
 
 _FSCLIENTPARAMETER = _descriptor.Descriptor(
     name='FsClientParameter',
@@ -2110,8 +2126,8 @@ _FSCLIENTPARAMETER = _descriptor.Descriptor(
     syntax='proto2',
     extension_ranges=[],
     oneofs=[],
-    serialized_start=3279,
-    serialized_end=3492, )
+    serialized_start=3313,
+    serialized_end=3526, )
 
 _PSPARAMETER.fields_by_name['worker_param'].message_type = _WORKERPARAMETER
 _PSPARAMETER.fields_by_name['server_param'].message_type = _SERVERPARAMETER

python/paddle/fluid/trainer_desc.py

@@ -17,8 +17,12 @@ from os import path
 __all__ = ['TrainerDesc', 'MultiTrainer', 'DistMultiTrainer', 'PipelineTrainer']
 
 
-# can be initialized from train_desc,
 class TrainerDesc(object):
+    '''
+    Set proto from python to c++.
+    Can be initialized from train_desc.
+    '''
+
     def __init__(self):
         '''
         self.proto_desc = data_feed_pb2.DataFeedDesc()
@@ -71,6 +75,9 @@ class TrainerDesc(object):
     def _set_use_cvm(self, use_cvm=False):
         self.proto_desc.use_cvm = use_cvm
 
+    def _set_dump_slot(self, dump_slot):
+        self.proto_desc.dump_slot = dump_slot
+
     def _desc(self):
         from google.protobuf import text_format
         return self.proto_desc.SerializeToString()
@@ -81,6 +88,11 @@ class TrainerDesc(object):
 
 
 class MultiTrainer(TrainerDesc):
+    '''
+    Implement of MultiTrainer.
+    Can be init from TrainerDesc.
+    '''
+
     def __init__(self):
         super(MultiTrainer, self).__init__()
         pass

python/paddle/fluid/trainer_factory.py

@@ -39,5 +39,6 @@ class TrainerFactory(object):
                 device_worker._set_fleet_desc(opt_info["fleet_desc"])
                 trainer._set_fleet_desc(opt_info["fleet_desc"])
                 trainer._set_use_cvm(opt_info["use_cvm"])
+                trainer._set_dump_slot(opt_info["dump_slot"])
             trainer._set_device_worker(device_worker)
         return trainer