double accessor and show_scale (#41943) (#42014)

* double accessor and show_scale

* double accessor and show_scale

* rename

* fix bug in pslib config

* add unittest

paddle/fluid/distributed/ps/README.md

@@ -10,7 +10,7 @@ Table: for param storage and update
 
 ValueAccessor: for pull param and push gradient
 -----CtrCommonAccessor: pull/push value with show/click, float type
------DownpourCtrDoubleAccessor: same as CtrCommonAccessor, other than show/click with double type
+-----CtrDoubleAccessor: same as CtrCommonAccessor, other than show/click with double type
 -----SparseAccessor: used for common embedding, pull value without show/click, push value with show/click
 -----CommMergeAccessor: used for dense table only, for get param dim
 

paddle/fluid/distributed/ps/table/CMakeLists.txt

@@ -42,8 +42,7 @@ set_source_files_properties(ctr_accessor.cc PROPERTIES COMPILE_FLAGS ${DISTRIBUT
 set_source_files_properties(sparse_accessor.cc PROPERTIES COMPILE_FLAGS ${DISTRIBUTE_COMPILE_FLAGS})
 set_source_files_properties(memory_sparse_table.cc PROPERTIES COMPILE_FLAGS ${DISTRIBUTE_COMPILE_FLAGS})
 cc_library(sparse_sgd_rule SRCS sparse_sgd_rule.cc DEPS ${TABLE_DEPS} ps_framework_proto)
-cc_library(ctr_double_accessor SRCS ctr_double_accessor.cc DEPS ${TABLE_DEPS} ps_framework_proto sparse_sgd_rule)
-cc_library(ctr_accessor SRCS ctr_accessor.cc sparse_accessor.cc DEPS ${TABLE_DEPS} ps_framework_proto sparse_sgd_rule)
+cc_library(ctr_accessor SRCS ctr_accessor.cc ctr_double_accessor.cc sparse_accessor.cc DEPS ${TABLE_DEPS} ps_framework_proto sparse_sgd_rule)
 cc_library(memory_sparse_table SRCS memory_sparse_table.cc DEPS ps_framework_proto ${TABLE_DEPS} fs afs_wrapper ctr_accessor common_table)
 
 set_source_files_properties(memory_sparse_geo_table.cc PROPERTIES COMPILE_FLAGS ${DISTRIBUTE_COMPILE_FLAGS})

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

@@ -35,6 +35,10 @@ int CtrCommonAccessor::Initialize() {
   common_feature_value.embedx_sgd_dim = _embedx_sgd_rule->Dim();
   _show_click_decay_rate = _config.ctr_accessor_param().show_click_decay_rate();
 
+  if (_config.ctr_accessor_param().show_scale()) {
+    _show_scale = true;
+  }
+
   InitAccessorInfo();
   return 0;
 }
@@ -233,6 +237,11 @@ int32_t CtrCommonAccessor::Update(float** update_values,
         push_click * _config.ctr_accessor_param().click_coeff();
     update_value[common_feature_value.UnseenDaysIndex()] = 0;
     // TODO(zhaocaibei123): add configure show_scale
+    if (!_show_scale) {
+      push_show = 1;
+    }
+    VLOG(3) << "accessor show scale:" << _show_scale
+            << ", push_show:" << push_show;
     _embed_sgd_rule->UpdateValue(
         update_value + common_feature_value.EmbedWIndex(),
         update_value + common_feature_value.EmbedG2SumIndex(),

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

@@ -20,7 +20,7 @@
 namespace paddle {
 namespace distributed {
 
-int DownpourCtrDoubleAccessor::Initialize() {
+int CtrDoubleAccessor::Initialize() {
   auto name = _config.embed_sgd_param().name();
   _embed_sgd_rule = CREATE_PSCORE_CLASS(SparseValueSGDRule, name);
   _embed_sgd_rule->LoadConfig(_config.embed_sgd_param(), 1);
@@ -34,14 +34,18 @@ int DownpourCtrDoubleAccessor::Initialize() {
   _ssd_unseenday_threshold =
       _config.ctr_accessor_param().ssd_unseenday_threshold();
 
+  if (_config.ctr_accessor_param().show_scale()) {
+    _show_scale = true;
+  }
+
   InitAccessorInfo();
   return 0;
 }
 
-void DownpourCtrDoubleAccessor::InitAccessorInfo() {
+void CtrDoubleAccessor::InitAccessorInfo() {
   auto embedx_dim = _config.embedx_dim();
-  _accessor_info.dim = DownpourCtrDoubleFeatureValue::Dim(embedx_dim);
-  _accessor_info.size = DownpourCtrDoubleFeatureValue::Size(embedx_dim);
+  _accessor_info.dim = CtrDoubleFeatureValue::Dim(embedx_dim);
+  _accessor_info.size = CtrDoubleFeatureValue::Size(embedx_dim);
   _accessor_info.select_dim = 3 + embedx_dim;
   _accessor_info.select_size = _accessor_info.select_dim * sizeof(float);
   _accessor_info.update_dim = 4 + embedx_dim;
@@ -49,7 +53,7 @@ void DownpourCtrDoubleAccessor::InitAccessorInfo() {
   _accessor_info.mf_size = (embedx_dim + 1) * sizeof(float);
 }
 
-bool DownpourCtrDoubleAccessor::Shrink(float* value) {
+bool CtrDoubleAccessor::Shrink(float* value) {
   // auto base_threshold = _config.ctr_accessor_param().base_threshold();
   // auto delta_threshold = _config.ctr_accessor_param().delta_threshold();
   // auto delete_threshold = _config.ctr_accessor_param().delete_threshold();
@@ -59,38 +63,37 @@ bool DownpourCtrDoubleAccessor::Shrink(float* value) {
       _config.ctr_accessor_param().delete_after_unseen_days();
   auto delete_threshold = _config.ctr_accessor_param().delete_threshold();
   // time_decay first
-  DownpourCtrDoubleFeatureValue::Show(value) *= _show_click_decay_rate;
-  DownpourCtrDoubleFeatureValue::Click(value) *= _show_click_decay_rate;
+  CtrDoubleFeatureValue::Show(value) *= _show_click_decay_rate;
+  CtrDoubleFeatureValue::Click(value) *= _show_click_decay_rate;
   // shrink after
-  auto score = ShowClickScore(DownpourCtrDoubleFeatureValue::Show(value),
-                              DownpourCtrDoubleFeatureValue::Click(value));
-  auto unseen_days = DownpourCtrDoubleFeatureValue::UnseenDays(value);
+  auto score = ShowClickScore(CtrDoubleFeatureValue::Show(value),
+                              CtrDoubleFeatureValue::Click(value));
+  auto unseen_days = CtrDoubleFeatureValue::UnseenDays(value);
   if (score < delete_threshold || unseen_days > delete_after_unseen_days) {
     return true;
   }
   return false;
 }
-bool DownpourCtrDoubleAccessor::save_ssd(float* value) {
-  if (DownpourCtrDoubleFeatureValue::UnseenDays(value) >
-      _ssd_unseenday_threshold) {
+bool CtrDoubleAccessor::SaveSSD(float* value) {
+  if (CtrDoubleFeatureValue::UnseenDays(value) > _ssd_unseenday_threshold) {
     return true;
   }
   return false;
 }
-// bool DownpourCtrDoubleAccessor::save_cache(
+// bool CtrDoubleAccessor::save_cache(
 //         float* value, int param, double global_cache_threshold) {
 //     auto base_threshold = _config.ctr_accessor_param().base_threshold();
 //     auto delta_keep_days = _config.ctr_accessor_param().delta_keep_days();
-//     if (ShowClickScore(DownpourCtrDoubleFeatureValue::Show(value),
-//     DownpourCtrDoubleFeatureValue::Click(value)) >= base_threshold
-//         && DownpourCtrDoubleFeatureValue::UnseenDays(value) <=
+//     if (ShowClickScore(CtrDoubleFeatureValue::Show(value),
+//     CtrDoubleFeatureValue::Click(value)) >= base_threshold
+//         && CtrDoubleFeatureValue::UnseenDays(value) <=
 //         delta_keep_days) {
-//         return DownpourCtrDoubleFeatureValue::Show(value) >
+//         return CtrDoubleFeatureValue::Show(value) >
 //         global_cache_threshold;
 //     }
 //     return false;
 // }
-bool DownpourCtrDoubleAccessor::Save(float* value, int param) {
+bool CtrDoubleAccessor::Save(float* value, int param) {
   // auto base_threshold = _config.ctr_accessor_param().base_threshold();
   // auto delta_threshold = _config.ctr_accessor_param().delta_threshold();
   // auto delta_keep_days = _config.ctr_accessor_param().delta_keep_days();
@@ -109,14 +112,14 @@ bool DownpourCtrDoubleAccessor::Save(float* value, int param) {
     case 1:
     // save xbox base
     case 2: {
-      if (ShowClickScore(DownpourCtrDoubleFeatureValue::Show(value),
-                         DownpourCtrDoubleFeatureValue::Click(value)) >=
+      if (ShowClickScore(CtrDoubleFeatureValue::Show(value),
+                         CtrDoubleFeatureValue::Click(value)) >=
               base_threshold &&
-          DownpourCtrDoubleFeatureValue::DeltaScore(value) >= delta_threshold &&
-          DownpourCtrDoubleFeatureValue::UnseenDays(value) <= delta_keep_days) {
+          CtrDoubleFeatureValue::DeltaScore(value) >= delta_threshold &&
+          CtrDoubleFeatureValue::UnseenDays(value) <= delta_keep_days) {
         // do this after save, because it must not be modified when retry
         if (param == 2) {
-          DownpourCtrDoubleFeatureValue::DeltaScore(value) = 0;
+          CtrDoubleFeatureValue::DeltaScore(value) = 0;
         }
         return true;
       } else {
@@ -125,10 +128,10 @@ bool DownpourCtrDoubleAccessor::Save(float* value, int param) {
     }
     // already decayed in shrink
     case 3: {
-      // DownpourCtrFeatureValue::Show(value) *= _show_click_decay_rate;
-      // DownpourCtrFeatureValue::Click(value) *= _show_click_decay_rate;
+      // CtrDoubleFeatureValue::Show(value) *= _show_click_decay_rate;
+      // CtrDoubleFeatureValue::Click(value) *= _show_click_decay_rate;
       // do this after save, because it must not be modified when retry
-      // DownpourCtrDoubleFeatureValue::UnseenDays(value)++;
+      // CtrDoubleFeatureValue::UnseenDays(value)++;
       return true;
     }
     default:
@@ -136,7 +139,7 @@ bool DownpourCtrDoubleAccessor::Save(float* value, int param) {
   };
 }
 
-void DownpourCtrDoubleAccessor::UpdateStatAfterSave(float* value, int param) {
+void CtrDoubleAccessor::UpdateStatAfterSave(float* value, int param) {
   auto base_threshold = _config.ctr_accessor_param().base_threshold();
   auto delta_threshold = _config.ctr_accessor_param().delta_threshold();
   auto delta_keep_days = _config.ctr_accessor_param().delta_keep_days();
@@ -145,17 +148,17 @@ void DownpourCtrDoubleAccessor::UpdateStatAfterSave(float* value, int param) {
   }
   switch (param) {
     case 1: {
-      if (ShowClickScore(DownpourCtrDoubleFeatureValue::Show(value),
-                         DownpourCtrDoubleFeatureValue::Click(value)) >=
+      if (ShowClickScore(CtrDoubleFeatureValue::Show(value),
+                         CtrDoubleFeatureValue::Click(value)) >=
               base_threshold &&
-          DownpourCtrDoubleFeatureValue::DeltaScore(value) >= delta_threshold &&
-          DownpourCtrDoubleFeatureValue::UnseenDays(value) <= delta_keep_days) {
-        DownpourCtrDoubleFeatureValue::DeltaScore(value) = 0;
+          CtrDoubleFeatureValue::DeltaScore(value) >= delta_threshold &&
+          CtrDoubleFeatureValue::UnseenDays(value) <= delta_keep_days) {
+        CtrDoubleFeatureValue::DeltaScore(value) = 0;
       }
     }
       return;
     case 3: {
-      DownpourCtrDoubleFeatureValue::UnseenDays(value)++;
+      CtrDoubleFeatureValue::UnseenDays(value)++;
     }
       return;
     default:
@@ -163,123 +166,125 @@ void DownpourCtrDoubleAccessor::UpdateStatAfterSave(float* value, int param) {
   };
 }
 
-int32_t DownpourCtrDoubleAccessor::Create(float** values, size_t num) {
+int32_t CtrDoubleAccessor::Create(float** values, size_t num) {
   auto embedx_dim = _config.embedx_dim();
   for (size_t value_item = 0; value_item < num; ++value_item) {
     float* value = values[value_item];
-    value[DownpourCtrDoubleFeatureValue::UnseenDaysIndex()] = 0;
-    value[DownpourCtrDoubleFeatureValue::DeltaScoreIndex()] = 0;
-    *(double*)(value + DownpourCtrDoubleFeatureValue::ShowIndex()) = 0;
-    *(double*)(value + DownpourCtrDoubleFeatureValue::ClickIndex()) = 0;
-    value[DownpourCtrDoubleFeatureValue::SlotIndex()] = -1;
+    value[CtrDoubleFeatureValue::UnseenDaysIndex()] = 0;
+    value[CtrDoubleFeatureValue::DeltaScoreIndex()] = 0;
+    *(double*)(value + CtrDoubleFeatureValue::ShowIndex()) = 0;
+    *(double*)(value + CtrDoubleFeatureValue::ClickIndex()) = 0;
+    value[CtrDoubleFeatureValue::SlotIndex()] = -1;
     _embed_sgd_rule->InitValue(
-        value + DownpourCtrDoubleFeatureValue::EmbedWIndex(),
-        value + DownpourCtrDoubleFeatureValue::EmbedG2SumIndex());
+        value + CtrDoubleFeatureValue::EmbedWIndex(),
+        value + CtrDoubleFeatureValue::EmbedG2SumIndex());
     _embedx_sgd_rule->InitValue(
-        value + DownpourCtrDoubleFeatureValue::EmbedxWIndex(),
-        value + DownpourCtrDoubleFeatureValue::EmbedxG2SumIndex(), false);
+        value + CtrDoubleFeatureValue::EmbedxWIndex(),
+        value + CtrDoubleFeatureValue::EmbedxG2SumIndex(), false);
   }
   return 0;
 }
-bool DownpourCtrDoubleAccessor::NeedExtendMF(float* value) {
-  auto show =
-      ((double*)(value + DownpourCtrDoubleFeatureValue::ShowIndex()))[0];
-  auto click =
-      ((double*)(value + DownpourCtrDoubleFeatureValue::ClickIndex()))[0];
+bool CtrDoubleAccessor::NeedExtendMF(float* value) {
+  auto show = ((double*)(value + CtrDoubleFeatureValue::ShowIndex()))[0];
+  auto click = ((double*)(value + CtrDoubleFeatureValue::ClickIndex()))[0];
   // float score = (show - click) * _config.ctr_accessor_param().nonclk_coeff()
   auto score = (show - click) * _config.ctr_accessor_param().nonclk_coeff() +
                click * _config.ctr_accessor_param().click_coeff();
   //+ click * _config.ctr_accessor_param().click_coeff();
   return score >= _config.embedx_threshold();
 }
-// from DownpourCtrFeatureValue to DownpourCtrPullValue
-int32_t DownpourCtrDoubleAccessor::Select(float** select_values,
-                                          const float** values, size_t num) {
+// from CtrDoubleFeatureValue to CtrDoublePullValue
+int32_t CtrDoubleAccessor::Select(float** select_values, const float** values,
+                                  size_t num) {
   auto embedx_dim = _config.embedx_dim();
   for (size_t value_item = 0; value_item < num; ++value_item) {
     float* select_value = select_values[value_item];
     float* value = const_cast<float*>(values[value_item]);
-    select_value[DownpourCtrDoublePullValue::ShowIndex()] =
-        (float)*(double*)(value + DownpourCtrDoubleFeatureValue::ShowIndex());
-    select_value[DownpourCtrDoublePullValue::ClickIndex()] =
-        (float)*(double*)(value + DownpourCtrDoubleFeatureValue::ClickIndex());
-    select_value[DownpourCtrDoublePullValue::EmbedWIndex()] =
-        value[DownpourCtrDoubleFeatureValue::EmbedWIndex()];
-    memcpy(select_value + DownpourCtrDoublePullValue::EmbedxWIndex(),
-           value + DownpourCtrDoubleFeatureValue::EmbedxWIndex(),
+    select_value[CtrDoublePullValue::ShowIndex()] =
+        (float)*(double*)(value + CtrDoubleFeatureValue::ShowIndex());
+    select_value[CtrDoublePullValue::ClickIndex()] =
+        (float)*(double*)(value + CtrDoubleFeatureValue::ClickIndex());
+    select_value[CtrDoublePullValue::EmbedWIndex()] =
+        value[CtrDoubleFeatureValue::EmbedWIndex()];
+    memcpy(select_value + CtrDoublePullValue::EmbedxWIndex(),
+           value + CtrDoubleFeatureValue::EmbedxWIndex(),
            embedx_dim * sizeof(float));
   }
   return 0;
 }
-// from DownpourCtrPushValue to DownpourCtrPushValue
+// from CtrDoublePushValue to CtrDoublePushValue
 // first dim: item
 // second dim: field num
-int32_t DownpourCtrDoubleAccessor::Merge(float** update_values,
+int32_t CtrDoubleAccessor::Merge(float** update_values,
                                  const float** other_update_values,
                                  size_t num) {
   auto embedx_dim = _config.embedx_dim();
-  size_t total_dim = DownpourCtrDoublePushValue::Dim(embedx_dim);
+  size_t total_dim = CtrDoublePushValue::Dim(embedx_dim);
   for (size_t value_item = 0; value_item < num; ++value_item) {
     float* update_value = update_values[value_item];
     const float* other_update_value = other_update_values[value_item];
-    /**(double*)(update_value + DownpourCtrDoublePushValue::ShowIndex()) +=
-    *(double*)(other_update_value + DownpourCtrDoublePushValue::ShowIndex());
-    *(double*)(update_value + DownpourCtrDoublePushValue::ClickIndex()) +=
-    *(double*)(other_update_value + DownpourCtrDoublePushValue::ClickIndex());
+    /**(double*)(update_value + CtrDoublePushValue::ShowIndex()) +=
+    *(double*)(other_update_value + CtrDoublePushValue::ShowIndex());
+    *(double*)(update_value + CtrDoublePushValue::ClickIndex()) +=
+    *(double*)(other_update_value + CtrDoublePushValue::ClickIndex());
     for (auto i = 3u; i < total_dim; ++i) {
         update_value[i] += other_update_value[i];
     }*/
     for (auto i = 0u; i < total_dim; ++i) {
-      if (i != DownpourCtrDoublePushValue::SlotIndex()) {
+      if (i != CtrDoublePushValue::SlotIndex()) {
         update_value[i] += other_update_value[i];
       }
     }
   }
   return 0;
 }
-// from DownpourCtrPushValue to DownpourCtrFeatureValue
+// from CtrDoublePushValue to CtrDoubleFeatureValue
 // first dim: item
 // second dim: field num
-int32_t DownpourCtrDoubleAccessor::Update(float** update_values,
-                                          const float** push_values,
-                                          size_t num) {
+int32_t CtrDoubleAccessor::Update(float** update_values,
+                                  const float** push_values, size_t num) {
   auto embedx_dim = _config.embedx_dim();
   for (size_t value_item = 0; value_item < num; ++value_item) {
     float* update_value = update_values[value_item];
     const float* push_value = push_values[value_item];
-    float push_show = push_value[DownpourCtrDoublePushValue::ShowIndex()];
-    float push_click = push_value[DownpourCtrDoublePushValue::ClickIndex()];
-    float slot = push_value[DownpourCtrDoublePushValue::SlotIndex()];
-    *(double*)(update_value + DownpourCtrDoubleFeatureValue::ShowIndex()) +=
+    float push_show = push_value[CtrDoublePushValue::ShowIndex()];
+    float push_click = push_value[CtrDoublePushValue::ClickIndex()];
+    float slot = push_value[CtrDoublePushValue::SlotIndex()];
+    *(double*)(update_value + CtrDoubleFeatureValue::ShowIndex()) +=
         (double)push_show;
-    *(double*)(update_value + DownpourCtrDoubleFeatureValue::ClickIndex()) +=
+    *(double*)(update_value + CtrDoubleFeatureValue::ClickIndex()) +=
         (double)push_click;
-    update_value[DownpourCtrDoubleFeatureValue::SlotIndex()] = slot;
-    update_value[DownpourCtrDoubleFeatureValue::DeltaScoreIndex()] +=
+    update_value[CtrDoubleFeatureValue::SlotIndex()] = slot;
+    update_value[CtrDoubleFeatureValue::DeltaScoreIndex()] +=
         (push_show - push_click) * _config.ctr_accessor_param().nonclk_coeff() +
         push_click * _config.ctr_accessor_param().click_coeff();
     //(push_show - push_click) * _config.ctr_accessor_param().nonclk_coeff() +
     // push_click * _config.ctr_accessor_param().click_coeff();
-    update_value[DownpourCtrDoubleFeatureValue::UnseenDaysIndex()] = 0;
+    update_value[CtrDoubleFeatureValue::UnseenDaysIndex()] = 0;
+    if (!_show_scale) {
+      push_show = 1;
+    }
+    VLOG(3) << "accessor show scale:" << _show_scale
+            << ", push_show:" << push_show;
     _embed_sgd_rule->UpdateValue(
-        update_value + DownpourCtrDoubleFeatureValue::EmbedWIndex(),
-        update_value + DownpourCtrDoubleFeatureValue::EmbedG2SumIndex(),
-        push_value + DownpourCtrDoublePushValue::EmbedGIndex(), push_show);
+        update_value + CtrDoubleFeatureValue::EmbedWIndex(),
+        update_value + CtrDoubleFeatureValue::EmbedG2SumIndex(),
+        push_value + CtrDoublePushValue::EmbedGIndex(), push_show);
     _embedx_sgd_rule->UpdateValue(
-        update_value + DownpourCtrDoubleFeatureValue::EmbedxWIndex(),
-        update_value + DownpourCtrDoubleFeatureValue::EmbedxG2SumIndex(),
-        push_value + DownpourCtrDoublePushValue::EmbedxGIndex(), push_show);
+        update_value + CtrDoubleFeatureValue::EmbedxWIndex(),
+        update_value + CtrDoubleFeatureValue::EmbedxG2SumIndex(),
+        push_value + CtrDoublePushValue::EmbedxGIndex(), push_show);
   }
   return 0;
 }
-bool DownpourCtrDoubleAccessor::CreateValue(int stage, const float* value) {
+bool CtrDoubleAccessor::CreateValue(int stage, const float* value) {
   // stage == 0, pull
   // stage == 1, push
   if (stage == 0) {
     return true;
   } else if (stage == 1) {
-    auto show = DownpourCtrDoublePushValue::Show(const_cast<float*>(value));
-    auto click = DownpourCtrDoublePushValue::Click(const_cast<float*>(value));
+    auto show = CtrDoublePushValue::Show(const_cast<float*>(value));
+    auto click = CtrDoublePushValue::Click(const_cast<float*>(value));
     auto score = ShowClickScore(show, click);
     if (score <= 0) {
       return false;
@@ -293,23 +298,22 @@ bool DownpourCtrDoubleAccessor::CreateValue(int stage, const float* value) {
     return true;
   }
 }
-double DownpourCtrDoubleAccessor::ShowClickScore(double show, double click) {
+double CtrDoubleAccessor::ShowClickScore(double show, double click) {
   // auto nonclk_coeff = _config.ctr_accessor_param().nonclk_coeff();
   // auto click_coeff = _config.ctr_accessor_param().click_coeff();
   auto nonclk_coeff = _config.ctr_accessor_param().nonclk_coeff();
   auto click_coeff = _config.ctr_accessor_param().click_coeff();
   return (show - click) * nonclk_coeff + click * click_coeff;
 }
-std::string DownpourCtrDoubleAccessor::ParseToString(const float* v,
-                                                     int param_size) {
+std::string CtrDoubleAccessor::ParseToString(const float* v, int param_size) {
   thread_local std::ostringstream os;
   os.clear();
   os.str("");
   os << v[0] << " " << v[1] << " " << (float)((double*)(v + 2))[0] << " "
      << (float)((double*)(v + 4))[0] << " " << v[6] << " " << v[7] << " "
      << v[8];
-  auto show = DownpourCtrDoubleFeatureValue::Show(const_cast<float*>(v));
-  auto click = DownpourCtrDoubleFeatureValue::Click(const_cast<float*>(v));
+  auto show = CtrDoubleFeatureValue::Show(const_cast<float*>(v));
+  auto click = CtrDoubleFeatureValue::Click(const_cast<float*>(v));
   auto score = ShowClickScore(show, click);
   if (score >= _config.embedx_threshold() && param_size > 9) {
     os << " " << v[9];
@@ -319,23 +323,22 @@ std::string DownpourCtrDoubleAccessor::ParseToString(const float* v,
   }
   return os.str();
 }
-int DownpourCtrDoubleAccessor::ParseFromString(const std::string& str,
-                                               float* value) {
+int CtrDoubleAccessor::ParseFromString(const std::string& str, float* value) {
   int embedx_dim = _config.embedx_dim();
   float data_buff[_accessor_info.dim + 2];
   float* data_buff_ptr = data_buff;
   _embedx_sgd_rule->InitValue(
-      data_buff_ptr + DownpourCtrDoubleFeatureValue::EmbedxWIndex(),
-      data_buff_ptr + DownpourCtrDoubleFeatureValue::EmbedxG2SumIndex());
+      data_buff_ptr + CtrDoubleFeatureValue::EmbedxWIndex(),
+      data_buff_ptr + CtrDoubleFeatureValue::EmbedxG2SumIndex());
   auto str_len = paddle::string::str_to_float(str.data(), data_buff_ptr);
   CHECK(str_len >= 6) << "expect more than 6 real:" << str_len;
-  int show_index = DownpourCtrDoubleFeatureValue::ShowIndex();
-  int click_index = DownpourCtrDoubleFeatureValue::ClickIndex();
-  int embed_w_index = DownpourCtrDoubleFeatureValue::EmbedWIndex();
+  int show_index = CtrDoubleFeatureValue::ShowIndex();
+  int click_index = CtrDoubleFeatureValue::ClickIndex();
+  int embed_w_index = CtrDoubleFeatureValue::EmbedWIndex();
   // no slot, embedx
   int value_dim = _accessor_info.dim;
-  int embedx_g2sum_index = DownpourCtrDoubleFeatureValue::EmbedxG2SumIndex();
-  value[DownpourCtrDoubleFeatureValue::SlotIndex()] = -1;
+  int embedx_g2sum_index = CtrDoubleFeatureValue::EmbedxG2SumIndex();
+  value[CtrDoubleFeatureValue::SlotIndex()] = -1;
   // other case
   if (str_len == (value_dim - 1)) {
     // copy unseen_days..delta_score
@@ -344,8 +347,8 @@ int DownpourCtrDoubleAccessor::ParseFromString(const std::string& str,
     *(double*)(value + show_index) = (double)data_buff_ptr[2];
     *(double*)(value + click_index) = (double)data_buff_ptr[3];
     // copy others
-    value[DownpourCtrDoubleFeatureValue::EmbedWIndex()] = data_buff_ptr[4];
-    value[DownpourCtrDoubleFeatureValue::EmbedG2SumIndex()] = data_buff_ptr[5];
+    value[CtrDoubleFeatureValue::EmbedWIndex()] = data_buff_ptr[4];
+    value[CtrDoubleFeatureValue::EmbedG2SumIndex()] = data_buff_ptr[5];
     memcpy(value + embedx_g2sum_index, data_buff_ptr + 6,
            (embedx_dim + 1) * sizeof(float));
   } else {

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

@@ -24,9 +24,9 @@
 namespace paddle {
 namespace distributed {
 
-class DownpourCtrDoubleAccessor : public ValueAccessor {
+class CtrDoubleAccessor : public ValueAccessor {
  public:
-  struct DownpourCtrDoubleFeatureValue {
+  struct CtrDoubleFeatureValue {
     /*
     float unseen_days;
     float delta_score;
@@ -45,60 +45,56 @@ class DownpourCtrDoubleAccessor : public ValueAccessor {
     }
     static int UnseenDaysIndex() { return 0; }
     static int DeltaScoreIndex() {
-      return DownpourCtrDoubleFeatureValue::UnseenDaysIndex() + 1;
+      return CtrDoubleFeatureValue::UnseenDaysIndex() + 1;
     }
     static int ShowIndex() {
-      return DownpourCtrDoubleFeatureValue::DeltaScoreIndex() + 1;
+      return CtrDoubleFeatureValue::DeltaScoreIndex() + 1;
     }
     // show is double
-    static int ClickIndex() {
-      return DownpourCtrDoubleFeatureValue::ShowIndex() + 2;
-    }
+    static int ClickIndex() { return CtrDoubleFeatureValue::ShowIndex() + 2; }
     // click is double
-    static int EmbedWIndex() {
-      return DownpourCtrDoubleFeatureValue::ClickIndex() + 2;
-    }
+    static int EmbedWIndex() { return CtrDoubleFeatureValue::ClickIndex() + 2; }
     static int EmbedG2SumIndex() {
-      return DownpourCtrDoubleFeatureValue::EmbedWIndex() + 1;
+      return CtrDoubleFeatureValue::EmbedWIndex() + 1;
     }
     static int SlotIndex() {
-      return DownpourCtrDoubleFeatureValue::EmbedG2SumIndex() + 1;
+      return CtrDoubleFeatureValue::EmbedG2SumIndex() + 1;
     }
     static int EmbedxG2SumIndex() {
-      return DownpourCtrDoubleFeatureValue::SlotIndex() + 1;
+      return CtrDoubleFeatureValue::SlotIndex() + 1;
     }
     static int EmbedxWIndex() {
-      return DownpourCtrDoubleFeatureValue::EmbedxG2SumIndex() + 1;
+      return CtrDoubleFeatureValue::EmbedxG2SumIndex() + 1;
     }
     static float& UnseenDays(float* val) {
-      return val[DownpourCtrDoubleFeatureValue::UnseenDaysIndex()];
+      return val[CtrDoubleFeatureValue::UnseenDaysIndex()];
     }
     static float& DeltaScore(float* val) {
-      return val[DownpourCtrDoubleFeatureValue::DeltaScoreIndex()];
+      return val[CtrDoubleFeatureValue::DeltaScoreIndex()];
     }
     static double& Show(float* val) {
-      return ((double*)(val + DownpourCtrDoubleFeatureValue::ShowIndex()))[0];
+      return ((double*)(val + CtrDoubleFeatureValue::ShowIndex()))[0];
     }
     static double& Click(float* val) {
-      return ((double*)(val + DownpourCtrDoubleFeatureValue::ClickIndex()))[0];
+      return ((double*)(val + CtrDoubleFeatureValue::ClickIndex()))[0];
     }
     static float& Slot(float* val) {
-      return val[DownpourCtrDoubleFeatureValue::SlotIndex()];
+      return val[CtrDoubleFeatureValue::SlotIndex()];
     }
     static float& EmbedW(float* val) {
-      return val[DownpourCtrDoubleFeatureValue::EmbedWIndex()];
+      return val[CtrDoubleFeatureValue::EmbedWIndex()];
     }
     static float& EmbedG2Sum(float* val) {
-      return val[DownpourCtrDoubleFeatureValue::EmbedG2SumIndex()];
+      return val[CtrDoubleFeatureValue::EmbedG2SumIndex()];
     }
     static float& EmbedxG2Sum(float* val) {
-      return val[DownpourCtrDoubleFeatureValue::EmbedxG2SumIndex()];
+      return val[CtrDoubleFeatureValue::EmbedxG2SumIndex()];
     }
     static float* EmbedxW(float* val) {
-      return (val + DownpourCtrDoubleFeatureValue::EmbedxWIndex());
+      return (val + CtrDoubleFeatureValue::EmbedxWIndex());
     }
   };
-  struct DownpourCtrDoublePushValue {
+  struct CtrDoublePushValue {
     /*
     float slot;
     float show;
@@ -110,35 +106,27 @@ class DownpourCtrDoubleAccessor : public ValueAccessor {
     static int DimSize(int dim, int embedx_dim) { return sizeof(float); }
     static int Size(int embedx_dim) { return Dim(embedx_dim) * sizeof(float); }
     static int SlotIndex() { return 0; }
-    static int ShowIndex() {
-      return DownpourCtrDoublePushValue::SlotIndex() + 1;
-    }
-    static int ClickIndex() {
-      return DownpourCtrDoublePushValue::ShowIndex() + 1;
-    }
-    static int EmbedGIndex() {
-      return DownpourCtrDoublePushValue::ClickIndex() + 1;
-    }
-    static int EmbedxGIndex() {
-      return DownpourCtrDoublePushValue::EmbedGIndex() + 1;
-    }
+    static int ShowIndex() { return CtrDoublePushValue::SlotIndex() + 1; }
+    static int ClickIndex() { return CtrDoublePushValue::ShowIndex() + 1; }
+    static int EmbedGIndex() { return CtrDoublePushValue::ClickIndex() + 1; }
+    static int EmbedxGIndex() { return CtrDoublePushValue::EmbedGIndex() + 1; }
     static float& Slot(float* val) {
-      return val[DownpourCtrDoublePushValue::SlotIndex()];
+      return val[CtrDoublePushValue::SlotIndex()];
     }
     static float& Show(float* val) {
-      return val[DownpourCtrDoublePushValue::ShowIndex()];
+      return val[CtrDoublePushValue::ShowIndex()];
     }
     static float& Click(float* val) {
-      return val[DownpourCtrDoublePushValue::ClickIndex()];
+      return val[CtrDoublePushValue::ClickIndex()];
     }
     static float& EmbedG(float* val) {
-      return val[DownpourCtrDoublePushValue::EmbedGIndex()];
+      return val[CtrDoublePushValue::EmbedGIndex()];
     }
     static float* EmbedxG(float* val) {
-      return val + DownpourCtrDoublePushValue::EmbedxGIndex();
+      return val + CtrDoublePushValue::EmbedxGIndex();
     }
   };
-  struct DownpourCtrDoublePullValue {
+  struct CtrDoublePullValue {
     /*
     float show;
     float click;
@@ -153,20 +141,20 @@ class DownpourCtrDoubleAccessor : public ValueAccessor {
     static int EmbedWIndex() { return 2; }
     static int EmbedxWIndex() { return 3; }
     static float& Show(float* val) {
-      return val[DownpourCtrDoublePullValue::ShowIndex()];
+      return val[CtrDoublePullValue::ShowIndex()];
     }
     static float& Click(float* val) {
-      return val[DownpourCtrDoublePullValue::ClickIndex()];
+      return val[CtrDoublePullValue::ClickIndex()];
     }
     static float& EmbedW(float* val) {
-      return val[DownpourCtrDoublePullValue::EmbedWIndex()];
+      return val[CtrDoublePullValue::EmbedWIndex()];
     }
     static float* EmbedxW(float* val) {
-      return val + DownpourCtrDoublePullValue::EmbedxWIndex();
+      return val + CtrDoublePullValue::EmbedxWIndex();
     }
   };
-  DownpourCtrDoubleAccessor() {}
-  virtual ~DownpourCtrDoubleAccessor() {}
+  CtrDoubleAccessor() {}
+  virtual ~CtrDoubleAccessor() {}
   virtual int Initialize();
   // 初始化AccessorInfo
   virtual void InitAccessorInfo();
@@ -182,7 +170,7 @@ class DownpourCtrDoubleAccessor : public ValueAccessor {
   // update delta_score and unseen_days after save
   virtual void UpdateStatAfterSave(float* value, int param) override;
   // 判断该value是否保存到ssd
-  virtual bool save_ssd(float* value);
+  virtual bool SaveSSD(float* value);
   // virtual bool save_cache(float* value, int param, double
   // global_cache_threshold) override;
   // keys不存在时，为values生成随机值
@@ -206,14 +194,14 @@ class DownpourCtrDoubleAccessor : public ValueAccessor {
   virtual float GetField(float* value, const std::string& name) override {
     CHECK(name == "show");
     if (name == "show") {
-      return (float)DownpourCtrDoubleFeatureValue::Show(value);
+      return (float)CtrDoubleFeatureValue::Show(value);
     }
     return 0.0;
   }
-  // DEFINE_GET_INDEX(DownpourCtrDoubleFeatureValue, show)
-  // DEFINE_GET_INDEX(DownpourCtrDoubleFeatureValue, click)
-  // DEFINE_GET_INDEX(DownpourCtrDoubleFeatureValue, embed_w)
-  // DEFINE_GET_INDEX(DownpourCtrDoubleFeatureValue, embedx_w)
+  // DEFINE_GET_INDEX(CtrDoubleFeatureValue, show)
+  // DEFINE_GET_INDEX(CtrDoubleFeatureValue, click)
+  // DEFINE_GET_INDEX(CtrDoubleFeatureValue, embed_w)
+  // DEFINE_GET_INDEX(CtrDoubleFeatureValue, embedx_w)
  private:
   double ShowClickScore(double show, double click);
 
@@ -222,6 +210,7 @@ class DownpourCtrDoubleAccessor : public ValueAccessor {
   SparseValueSGDRule* _embedx_sgd_rule;
   float _show_click_decay_rate;
   int32_t _ssd_unseenday_threshold;
+  bool _show_scale = false;
 };
 }  // namespace distributed
 }  // namespace paddle

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

@@ -21,6 +21,7 @@
 #include "paddle/fluid/distributed/ps/table/memory_dense_table.h"
 
 #include "paddle/fluid/distributed/ps/table/ctr_accessor.h"
+#include "paddle/fluid/distributed/ps/table/ctr_double_accessor.h"
 #include "paddle/fluid/distributed/ps/table/memory_sparse_geo_table.h"
 #include "paddle/fluid/distributed/ps/table/memory_sparse_table.h"
 #include "paddle/fluid/distributed/ps/table/sparse_accessor.h"
@@ -39,6 +40,7 @@ REGISTER_PSCORE_CLASS(Table, MemorySparseTable);
 REGISTER_PSCORE_CLASS(Table, MemorySparseGeoTable);
 REGISTER_PSCORE_CLASS(ValueAccessor, CommMergeAccessor);
 REGISTER_PSCORE_CLASS(ValueAccessor, CtrCommonAccessor);
+REGISTER_PSCORE_CLASS(ValueAccessor, CtrDoubleAccessor);
 REGISTER_PSCORE_CLASS(ValueAccessor, SparseAccessor);
 REGISTER_PSCORE_CLASS(SparseValueSGDRule, StdAdaGradSGDRule);
 REGISTER_PSCORE_CLASS(SparseValueSGDRule, SparseAdamSGDRule);

paddle/fluid/distributed/the_one_ps.proto

@@ -153,6 +153,7 @@ message CtrAccessorParameter {
                         // will be delete in shrink_model
   optional int32 ssd_unseenday_threshold = 9
       [ default = 1 ]; // threshold to save ssd
+  optional bool show_scale = 10 [ default = true ];
 }
 
 message TensorAccessorParameter {

paddle/fluid/framework/distributed_strategy.proto

@@ -258,6 +258,7 @@ message CtrAccessorParameter {
       [ default = 0.8 ]; // threshold to shrink a feasign
   optional float delete_after_unseen_days = 8 [ default = 30 ];
   optional int32 ssd_unseenday_threshold = 9 [ default = 1 ];
+  optional bool show_scale = 10 [ default = true ];
 }
 
 message TableAccessorSaveParameter {

python/paddle/distributed/fleet/base/distributed_strategy.py

@@ -611,12 +611,15 @@ class DistributedStrategy(object):
                                         "DownpourCtrAccessor")
             if accessor_class not in support_sparse_accessor_class:
                 raise ValueError(
-                    "support sparse_accessor_class: [''DownpourSparseValueAccessor', 'DownpourCtrAccessor', 'DownpourCtrDoubleAccessor', 'DownpourUnitAccessor', 'DownpourDoubleUnitAccessor'], but actual %s"
+                    "support sparse_accessor_class: ['DownpourSparseValueAccessor', 'DownpourCtrAccessor', 'DownpourCtrDoubleAccessor', 'DownpourUnitAccessor', 'DownpourDoubleUnitAccessor'], but actual %s"
                     % (accessor_class))
 
-            if configs.get("use_cvm", True):
-                table_data.accessor.accessor_class = 'CtrCommonAccessor'
+            if accessor_class.find("Double") >= 0:
+                table_data.accessor.accessor_class = 'CtrDoubleAccessor'
             else:
+                table_data.accessor.accessor_class = 'CtrCommonAccessor'
+
+            if not configs.get("use_cvm", True):
                 table_data.accessor.accessor_class = 'SparseAccessor'
 
             table_data.accessor.embedx_dim = config.get('sparse_embedx_dim', 8)
@@ -624,6 +627,11 @@ class DistributedStrategy(object):
             table_data.accessor.embedx_threshold = config.get(
                 'sparse_embedx_threshold', 10)
 
+            if accessor_class == 'DownpourUnitAccessor':
+                table_data.accessor.ctr_accessor_param.show_scale = False
+            else:
+                table_data.accessor.ctr_accessor_param.show_scale = True
+
             table_data.accessor.ctr_accessor_param.nonclk_coeff = config.get(
                 'sparse_nonclk_coeff', 0.1)
             table_data.accessor.ctr_accessor_param.click_coeff = config.get(

python/paddle/fluid/tests/unittests/test_fleet_distributed_strategy.py

@@ -310,9 +310,22 @@ class TestStrategyConfig(unittest.TestCase):
             "embed_sparse_optimizer": "std_adagrad"
         }
         strategy.fleet_desc_configs = configs
+        self.assertEqual(strategy.sparse_table_configs[0]
+                         .accessor.ctr_accessor_param.show_scale, False)
         self.assertEqual(strategy.sparse_table_configs[0]
                          .accessor.embed_sgd_param.adagrad.initial_range, 0)
 
+        strategy = paddle.distributed.fleet.DistributedStrategy()
+        configs = {}
+        configs['emb'] = {
+            "sparse_accessor_class": "DownpourCtrDoubleAccessor",
+            "embed_sparse_optimizer": "std_adagrad"
+        }
+        strategy.fleet_desc_configs = configs
+        self.assertEqual(strategy.sparse_table_configs[0]
+                         .accessor.embed_sgd_param.adagrad.initial_range,
+                         0.0001)
+
     def test_trainer_desc_configs(self):
         strategy = paddle.distributed.fleet.DistributedStrategy()
         configs = {