2.4.2

paddle/fluid/inference/analysis/ir_pass_manager.cc

@@ -27,6 +27,7 @@
 #include "paddle/fluid/framework/scope.h"
 #include "paddle/fluid/inference/analysis/argument.h"
 #include "paddle/fluid/string/pretty_log.h"
+#include "paddle/phi/core/errors.h"
 
 namespace paddle {
 namespace inference {
@@ -36,15 +37,6 @@ using string::PrettyLogEndl;
 using string::Style;
 
 IRPassManager::IRPassManager(Argument *argument) {
-  ARGUMENT_CHECK_FIELD(argument, main_program);
-  graph_ = std::unique_ptr<Graph>(new Graph(argument->main_program()));
-  if (argument->Has("scope")) {
-    auto *scope_ptr = argument->scope_ptr();
-    PADDLE_ENFORCE_NOT_NULL(scope_ptr,
-                            platform::errors::PreconditionNotMet(
-                                "The scope ptr should not be nullptr."));
-    graph_->SetNotOwned(framework::ir::kParamScopeAttr, scope_ptr);
-  }
   disable_logs_ = argument->disable_logs();
 
   ARGUMENT_CHECK_FIELD(argument, ir_analysis_passes);
@@ -95,10 +87,14 @@ void IRPassManager::CreatePasses(Argument *argument,
                               argument->tensorrt_tuned_dynamic_shape();
     pass->Set("with_dynamic_shape", new bool(with_dynamic_shape));
 
+    // mixed precision related
     pass->Set("model_precision", new int(argument->model_precision()));
     pass->Set(
         "mixed_black_list",
         new std::unordered_set<std::string>(argument->mixed_black_list()));
+    pass->Set("enable_gpu_mixed", new bool(argument->enable_gpu_mixed()));
+    pass->Set("mixed_precision_mode",
+              new int(argument->mixed_precision_mode()));
 
     if (pass_name == "graph_viz_pass") {
       std::string optim_cache_dir = argument->optim_cache_dir();
@@ -302,42 +298,18 @@ void IRPassManager::CreatePasses(Argument *argument,
 }
 
 std::unique_ptr<Graph> IRPassManager::Apply(std::unique_ptr<Graph> graph) {
-  if (passes_.empty()) {
-    return graph;
-  }
   PADDLE_ENFORCE_NOT_NULL(
-      graph.get(),
-      platform::errors::PreconditionNotMet("Graph cannot be NULL."));
+      graph.get(), platform::errors::InvalidArgument("Graph cannot be null."));
   // Apply all the passes
   for (const auto &pass : passes_) {
     if (pass->Type() != "graph_viz_pass" && !disable_logs_) {
       PrettyLogEndl(Style::H2(), "--- Running IR pass [%s]", pass->Type());
     }
-    // delete_fill_constant_op_pass is not apply under trt dynamic shape
-    if (pass->Type() == "delete_fill_constant_op_pass") {
-      bool use_dynamic = pass->Get<bool>("with_dynamic_shape");
-      if (use_dynamic) continue;
-    }
     graph.reset(pass->Apply(graph.release()));
   }
   return graph;
 }
 
-framework::proto::ProgramDesc IRPassManager::AcquireProgram(
-    std::unique_ptr<Graph> *graph, ProgramDesc *program) const {
-  auto pass =
-      framework::ir::PassRegistry::Instance().Get("graph_to_program_pass");
-
-  // Direct using ProgramDesc desc(argument->main_program()) may cause
-  // incomplete copies of information.
-  ProgramDesc desc;
-  desc.CopyFrom(*program->Proto());
-  pass->SetNotOwned("program", &desc);
-  auto *the_graph = graph->release();
-  graph->reset(pass->Apply(the_graph));
-  return *desc.Proto();
-}
-
 }  // namespace analysis
 }  // namespace inference
 }  // namespace paddle

paddle/fluid/inference/analysis/ir_pass_manager.h

@@ -48,15 +48,9 @@ class IRPassManager final {
 
   std::unique_ptr<Graph> Apply(std::unique_ptr<Graph> graph);
 
-  framework::proto::ProgramDesc AcquireProgram(std::unique_ptr<Graph> *graph,
-                                               ProgramDesc *program) const;
-
-  framework::ir::Graph &graph() const { return *graph_; }
-
  private:
   void CreatePasses(Argument *argument, const std::vector<std::string> &passes);
 
-  std::unique_ptr<Graph> graph_;
   std::vector<std::unique_ptr<Pass>> passes_;
   bool disable_logs_{false};
 };

paddle/fluid/inference/analysis/ir_passes/tensorrt_subgraph_pass.cc

@@ -94,13 +94,13 @@ void OutputProcess(framework::ir::Graph *graph,
                   backend,
                   precision,
                   blacklist)) {
-            AddCastOp(graph,
+            InsertCastOp(graph,
                          var_node,
                          next_op,
                          framework::proto::VarType::FP32,
                          to_type,
-                      &suffix,
                          block_desc,
+                         &suffix,
                          &var_to_cast_op_map);
             var_node->Var()->SetDataType(framework::proto::VarType::FP32);
           }

paddle/fluid/inference/analysis/passes/CMakeLists.txt

@@ -13,7 +13,7 @@ cc_library(
 cc_library(
   convert_to_mixed_precision
   SRCS convert_to_mixed_precision.cc
-  DEPS analysis_pass ir_graph_build_pass)
+  DEPS analysis_pass ir_graph_build_pass auto_mixed_precision_pass)
 cc_library(
   ir_params_sync_among_devices_pass
   SRCS ir_params_sync_among_devices_pass.cc
@@ -30,17 +30,6 @@ cc_library(
   inference_op_replace_pass
   SRCS inference_op_replace_pass.cc
   DEPS analysis_pass graph_to_program_pass)
-if(WITH_TESTING)
-  cc_library(
-    ir_graph_clean_pass
-    SRCS ir_graph_clean_pass.cc
-    DEPS analysis_pass gtest)
-else()
-  cc_library(
-    ir_graph_clean_pass
-    SRCS ir_graph_clean_pass.cc
-    DEPS analysis_pass)
-endif()
 
 cc_library(
   analysis_passes
@@ -52,8 +41,7 @@ cc_library(
        memory_optim_pass
        convert_to_mixed_precision
        inference_op_replace_pass
-       ir_graph_to_program_pass
-       ir_graph_clean_pass)
+       ir_graph_to_program_pass)
 
 set(analysis_deps
     ${analysis_deps} analysis_passes subgraph_detector

paddle/fluid/inference/analysis/passes/convert_to_mixed_precision.h

@@ -15,14 +15,12 @@
 #pragma once
 
 #include <string>
-#include <unordered_map>
 #include <unordered_set>
 
 #include "paddle/fluid/framework/block_desc.h"
 #include "paddle/fluid/framework/ir/graph.h"
-#include "paddle/fluid/framework/ir/graph_helper.h"
-#include "paddle/fluid/framework/ir/graph_pattern_detector.h"
 #include "paddle/fluid/framework/program_desc.h"
+#include "paddle/fluid/framework/scope.h"
 #include "paddle/phi/common/backend.h"
 #include "paddle/phi/common/data_type.h"
 
@@ -30,20 +28,52 @@ namespace paddle {
 namespace inference {
 namespace analysis {
 
+class ConvertToMixedPrecisionPass {
+ public:
+  explicit ConvertToMixedPrecisionPass(
+      const std::string& model_file,
+      const std::string& params_file,
+      const std::string& mixed_model_file,
+      const std::string& mixed_params_file,
+      phi::DataType mixed_precision,
+      phi::Backend backend,
+      bool keep_io_types,
+      const std::unordered_set<std::string>& black_list);
+
+  void Run();
+
+ private:
+  void LoadModel();
+  void SaveMixedModel();
+
+ private:
+  std::string model_file_;
+  std::string params_file_;
+  std::string mixed_model_file_;
+  std::string mixed_params_file_;
+  phi::DataType mixed_precision_;
+  phi::Backend backend_;
+  bool keep_io_types_;
+  std::unordered_set<std::string> black_list_;
+
+  framework::Scope scope_;
+  std::unique_ptr<framework::ir::Graph> main_graph_{nullptr};
+};
+
 bool OpSupportPrecision(const std::string& op_type,
                         phi::Backend backend,
                         phi::DataType precision,
-                        const std::unordered_set<std::string>& blacklist);
+                        const std::unordered_set<std::string>& black_list);
 
-void AddCastOp(
+void InsertCastOp(
     framework::ir::Graph* graph,
-    framework::ir::Node* node,
-    framework::ir::Node* next_op,
+    framework::ir::Node* var_node,
+    framework::ir::Node* op_node,
     framework::proto::VarType::Type from_type,
     framework::proto::VarType::Type to_type,
-    int* suffix,
     framework::BlockDesc* block_desc,
-    std::unordered_map<framework::ir::Node*, framework::ir::Node*>* map);
+    int* suffix,
+    std::unordered_map<framework::ir::Node*, framework::ir::Node*>* visited);
 
 void ConvertToMixedPrecision(const std::string& model_file,
                              const std::string& params_file,
@@ -51,8 +81,8 @@ void ConvertToMixedPrecision(const std::string& model_file,
                              const std::string& mixed_params_file,
                              phi::DataType mixed_precision,
                              phi::Backend backend,
-                             bool keep_io_types = true,
-                             std::unordered_set<std::string> black_list = {});
+                             bool keep_io_types,
+                             const std::unordered_set<std::string>& black_list);
 
 }  // namespace analysis
 }  // namespace inference

paddle/fluid/inference/analysis/passes/inference_op_replace_pass.cc

@@ -40,7 +40,7 @@ void InferenceOpReplacePass::RunImpl(Argument* argument) {
 }
 
 std::string InferenceOpReplacePass::repr() const {
-  return "inference-op-replace-pass";
+  return "inference_op_replace_pass";
 }
 
 }  // namespace analysis

paddle/fluid/inference/analysis/passes/ir_analysis_pass.cc

@@ -105,7 +105,7 @@ void IrAnalysisPass::CollectFusionStatis(Argument* argument) {
           framework::ir::kFuseStatisAttr));
 }
 
-std::string IrAnalysisPass::repr() const { return "ir-analysis-pass"; }
+std::string IrAnalysisPass::repr() const { return "ir_analysis_pass"; }
 
 }  // namespace analysis
 }  // namespace inference

paddle/fluid/inference/analysis/passes/ir_graph_build_pass.cc

@@ -64,7 +64,8 @@ void IrGraphBuildPass::RunImpl(Argument *argument) {
         "set."));
   }
 
-  auto graph = std::unique_ptr<Graph>(new Graph(argument->main_program()));
+  auto graph = std::unique_ptr<framework::ir::Graph>(
+      new framework::ir::Graph(argument->main_program()));
   argument->SetMainGraph(graph.release());
   auto *scope_ptr = argument->scope_ptr();
   PADDLE_ENFORCE_NOT_NULL(scope_ptr,
@@ -125,7 +126,7 @@ std::unique_ptr<framework::ProgramDesc> IrGraphBuildPass::LoadModel(
   }
 }
 
-std::string IrGraphBuildPass::repr() const { return "ir-graph-build-pass"; }
+std::string IrGraphBuildPass::repr() const { return "ir_graph_build_pass"; }
 
 }  // namespace analysis
 }  // namespace inference

paddle/fluid/inference/analysis/passes/ir_graph_to_program_pass.cc

@@ -31,7 +31,7 @@ void IrGraphToProgramPass::RunImpl(Argument *argument) {
               new int(argument->memory_optim_sort_kind()));
   }
 
-  std::unique_ptr<Graph> graph(argument->main_graph_ptr());
+  std::unique_ptr<framework::ir::Graph> graph(argument->main_graph_ptr());
 
   // Direct using ProgramDesc desc(argument->main_program()) may cause
   // incomplete copies of information.

paddle/fluid/inference/analysis/passes/ir_graph_to_program_pass.h

@@ -28,7 +28,7 @@ class IrGraphToProgramPass : public AnalysisPass {
  public:
   void RunImpl(Argument *argument) override;
 
-  std::string repr() const override { return "ir-graph-to-param-pass"; }
+  std::string repr() const override { return "ir_graph_to_param_pass"; }
 };
 
 }  // namespace analysis

paddle/fluid/inference/analysis/passes/ir_params_sync_among_devices_pass.cc

@@ -169,7 +169,7 @@ void IrParamsSyncAmongDevicesPass::RunImpl(Argument *argument) {
 }
 
 std::string IrParamsSyncAmongDevicesPass::repr() const {
-  return "ir-params-sync-among-devices-pass";
+  return "ir_params_sync_among_devices_pass";
 }
 
 }  // namespace analysis

paddle/fluid/inference/analysis/passes/memory_optimize_pass.cc

@@ -295,7 +295,7 @@ void UpdateOpDescsByReuse(
   }
 }
 
-std::string MemoryOptimizePass::repr() const { return "memory optimize pass"; }
+std::string MemoryOptimizePass::repr() const { return "memory_optimize_pass"; }
 
 void MemoryOptimizePass::RunImpl(Argument* argument) {
   // Memory optimization.

paddle/fluid/inference/analysis/passes/passes.cc

@@ -18,7 +18,6 @@
 #include "paddle/fluid/inference/analysis/passes/inference_op_replace_pass.h"
 #include "paddle/fluid/inference/analysis/passes/ir_analysis_pass.h"
 #include "paddle/fluid/inference/analysis/passes/ir_graph_build_pass.h"
-#include "paddle/fluid/inference/analysis/passes/ir_graph_clean_pass.h"
 #include "paddle/fluid/inference/analysis/passes/ir_graph_to_program_pass.h"
 #include "paddle/fluid/inference/analysis/passes/ir_params_sync_among_devices_pass.h"
 #include "paddle/fluid/inference/analysis/passes/memory_optimize_pass.h"
@@ -34,8 +33,6 @@ PassRegistry::PassRegistry() {
                   std::unique_ptr<AnalysisPass>(new IrAnalysisPass));
   passes_.emplace("ir_graph_build_pass",
                   std::unique_ptr<AnalysisPass>(new IrGraphBuildPass));
-  passes_.emplace("ir_graph_clean_pass",
-                  std::unique_ptr<AnalysisPass>(new IrInferCleanGraphPass));
   passes_.emplace("memory_optimize_pass",
                   std::unique_ptr<AnalysisPass>(new MemoryOptimizePass));
   passes_.emplace(

paddle/fluid/inference/api/analysis_config.cc

@@ -85,15 +85,29 @@ void AnalysisConfig::SetModel(const std::string &prog_file_path,
 
   Update();
 }
+
 void AnalysisConfig::EnableUseGpu(uint64_t memory_pool_init_size_mb,
-                                  int device_id) {
+                                  int device_id,
+                                  Precision precision_mode) {
 #if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
   use_gpu_ = true;
   memory_pool_init_size_mb_ = memory_pool_init_size_mb;
   FLAGS_initial_gpu_memory_in_mb = memory_pool_init_size_mb_;
   gpu_device_id_ = device_id;
+  mixed_precision_mode_ = precision_mode;
+  if (precision_mode == Precision::kFloat32) {
+    // default
+  } else if (precision_mode == Precision::kHalf ||
+             precision_mode == Precision::kBf16) {
+    enable_gpu_mixed_ = true;
+  } else {
+    LOG(ERROR)
+        << "The Paddle-GPU inference currently only supports "
+           "float32/float16/bfloat16 precision. Please check the parameters "
+           "you specified in EnableUseGpu or enable_use_gpu function.";
+  }
 #else
-  LOG(ERROR) << "Please compile with gpu to EnableGpu()";
+  LOG(ERROR) << "Please use PaddlePaddle with GPU version.";
   use_gpu_ = false;
 #endif
 
@@ -279,7 +293,7 @@ void AnalysisConfig::LoadIpuConfig(const std::string &config_path) {
 
     if (ipu_config_mapper_.find(key) == ipu_config_mapper_.end()) {
       PADDLE_THROW(platform::errors::InvalidArgument(
-          "invalid key {} in IPU config", key));
+          "invalid key %s in IPU config: ", key));
     }
     switch (ipu_config_mapper_.at(key)) {
       case ipu_config_code::ipu_device_num:
@@ -315,7 +329,7 @@ void AnalysisConfig::LoadIpuConfig(const std::string &config_path) {
 
       default:
         PADDLE_THROW(platform::errors::InvalidArgument(
-            "invalid key {} in IPU config", key));
+            "invalid key %s in IPU config", key));
         break;
     }
   }
@@ -372,8 +386,10 @@ AnalysisConfig::AnalysisConfig(const AnalysisConfig &other) {
   CP_MEMBER(gpu_device_id_);
   CP_MEMBER(memory_pool_init_size_mb_);
 
-  // Mixed related.
+  // Mixed precision related.
   CP_MEMBER(mixed_black_list_);
+  CP_MEMBER(enable_gpu_mixed_);
+  CP_MEMBER(mixed_precision_mode_);
 
   CP_MEMBER(enable_memory_optim_);
   // TensorRT related.
@@ -740,13 +756,7 @@ void AnalysisConfig::Update() {
       ((use_custom_device() ^ pass_builder_->use_custom_device()))) {
     if (use_gpu()) {
       pass_builder_.reset(new GpuPassStrategy);
-
-      if (use_tensorrt_) {
-        // Append after the Affine_channel_conv_fuse pass.
-        pass_builder()->InsertPass(3, "tensorrt_subgraph_pass");
-      }
     } else if (use_ipu()) {
-      VLOG(1) << "IpuPassStrategy has been used for new.";
       pass_builder_.reset(new IpuPassStrategy);
     } else if (use_xpu()) {
       PADDLE_ENFORCE_EQ(
@@ -946,9 +956,6 @@ void AnalysisConfig::Update() {
         "but did not have the option -DWITH_CUSTOM_DEVICE compiled."));
 #endif
   }
-  if (ir_debug_) {
-    pass_builder()->TurnOnDebug();
-  }
 }
 
 std::string AnalysisConfig::SerializeInfoCache() {
@@ -960,6 +967,7 @@ std::string AnalysisConfig::SerializeInfoCache() {
   ss << calibration_file_path_;
 
   ss << use_gpu_;
+  ss << enable_gpu_mixed_;
   ss << use_external_stream_;
   ss << exec_stream_;
   ss << use_fc_padding_;
@@ -1167,6 +1175,7 @@ std::string AnalysisConfig::Summary() {
   os.InsertRow({"use_gpu", use_gpu_ ? "true" : "false"});
   if (use_gpu_) {
     os.InsertRow({"gpu_device_id", std::to_string(gpu_device_id_)});
+    os.InsertRow({"enable_gpu_mixed", std::to_string(enable_gpu_mixed_)});
     os.InsertRow({"memory_pool_init_size",
                   std::to_string(memory_pool_init_size_mb_) + "MB"});
     os.InsertRow(
@@ -1360,7 +1369,7 @@ bool AnalysisConfig::trt_allow_build_at_runtime() {
   return trt_allow_build_at_runtime_;
 }
 
-void AnalysisConfig::Exp_SetBlackListOpsForMixedModel(
+void AnalysisConfig::Exp_DisableMixedPrecisionOps(
     const std::unordered_set<std::string> &black_list) {
   mixed_black_list_ = black_list;
 }

paddle/fluid/inference/api/analysis_predictor.cc

@@ -1065,7 +1065,7 @@ void AnalysisPredictor::PrepareArgument() {
   argument_.SetUseGPU(config_.use_gpu());
   argument_.SetUseFcPadding(config_.use_fc_padding());
   argument_.SetGPUDeviceId(config_.gpu_device_id());
-  argument_.SetEnableAnalysisOptim(config_.enable_ir_optim_);
+  argument_.SetEnableIrOptim(config_.enable_ir_optim_);
   argument_.SetEnableMemoryOptim(config_.enable_memory_optim());
   argument_.SetModelFromMemory(config_.model_from_memory_);
   // Analyze inference_program
@@ -1210,53 +1210,57 @@ void AnalysisPredictor::PrepareArgument() {
   }
 #endif
 
-  auto passes = config_.pass_builder()->AllPasses();
+  auto *pass_builder = config_.pass_builder();
   if (model_precision_ != phi::DataType::FLOAT32) {
     LOG(INFO) << "Model is mixed precision type with " << model_precision_
               << ", we will use a new PassStrategy. Note that only the GPU "
                  "backend is supported for now.";
-    passes.clear();
+    pass_builder->ClearPasses();
+    const auto &deleted_passes = pass_builder->GetAllDeletedPasses();
     if (config_.tensorrt_engine_enabled()) {
       for (const auto &pass : kTrtLowerPrecisionPasses) {
-        passes.push_back(pass);
+        if (deleted_passes.count(pass)) continue;
+        pass_builder->AppendPass(pass);
       }
     } else if (config_.use_gpu()) {
       for (const auto &pass : kGpuLowerPrecisionPasses) {
-        passes.push_back(pass);
+        if (deleted_passes.count(pass)) continue;
+        pass_builder->AppendPass(pass);
       }
     }
-
-    const auto &deleted_passes = config_.pass_builder()->GetAllDeletedPasses();
-    for (const auto &it : deleted_passes) {
-      auto iterator = std::find(passes.begin(), passes.end(), it);
-      if (iterator != passes.end()) {
-        passes.erase(iterator);
-      }
   }
 
-    if (config_.ir_debug_) {
-      auto it = std::begin(passes);
-      while (it != std::end(passes)) {
-        if (*it != "graph_viz_pass") {
-          it = passes.insert(it + 1, "graph_viz_pass");
+  if (!config_.ir_optim()) {
+    argument_.SetEnableIrOptim(false);
+    if (config_.enable_gpu_mixed_) {
+      argument_.SetEnableIrOptim(true);
+      pass_builder->ClearPasses();
+      pass_builder->AppendPass("auto_mixed_precision_pass");
+      LOG(INFO)
+          << "This model run in Paddle-GPU mixed precision mode with no ir "
+             "optimization.";
     } else {
-          ++it;
-        }
+      LOG(INFO) << "ir_optim is turned off, no IR pass will be executed.";
     }
+  } else {
+    if (config_.ir_debug_) {
+      pass_builder->TurnOnDebug();
     }
+    if (config_.enable_gpu_mixed_) {
+      LOG(INFO) << "This model run in Paddle-GPU mixed precision mode.";
     }
-  if (!config_.ir_optim()) {
-    passes.clear();
-    LOG(INFO) << "ir_optim is turned off, no IR pass will be executed";
   }
   argument_.SetDisableLogs(config_.glog_info_disabled());
-  argument_.SetIrAnalysisPasses(passes);
-  argument_.SetAnalysisPasses(config_.pass_builder()->AnalysisPasses());
+  argument_.SetIrAnalysisPasses(pass_builder->AllPasses());
+  argument_.SetAnalysisPasses(pass_builder->AnalysisPasses());
   argument_.SetScopeNotOwned(scope_.get());
 
   // mixed precison.
   argument_.SetModelPrecision(static_cast<int>(model_precision_));
   argument_.SetMixedBlackList(config_.mixed_black_list_);
+  argument_.SetEnableGPUMixed(config_.enable_gpu_mixed_);
+  argument_.SetMixedPrecisionMode(static_cast<int>(
+      paddle::ConvertPrecision(config_.mixed_precision_mode_)));
 }
 
 // NOTE All the members in AnalysisConfig should be copied to Argument.
@@ -2107,7 +2111,9 @@ std::unique_ptr<PaddlePredictor> AnalysisPredictor::Clone(void *stream) {
   }
   x->predictor_stream_ = stream;
   x->Init(scope_, inference_program_);
+#ifdef PADDLE_WITH_TENSORRT
   x->executor_->ResetTrtOps(++AnalysisPredictor::clone_num_);
+#endif
   return std::unique_ptr<PaddlePredictor>(x);
 }
 

paddle/fluid/inference/api/demo_ci/.gitignore

+data

paddle/fluid/inference/api/mkldnn_quantizer.cc

@@ -604,10 +604,8 @@ void AnalysisPredictor::MkldnnQuantizer::PrepareArgument() const {
   if (predictor_.config_.ir_debug_) builder->TurnOnDebug();
   auto passes = builder->AllPasses();
   predictor_.argument_.SetIrAnalysisPasses(passes);
-  predictor_.argument_.SetAnalysisPasses({"ir_graph_clean_pass",
-                                          "ir_analysis_pass",
-                                          "memory_optimize_pass",
-                                          "ir_graph_to_program_pass"});
+  predictor_.argument_.SetAnalysisPasses(
+      {"ir_analysis_pass", "memory_optimize_pass", "ir_graph_to_program_pass"});
   predictor_.argument_.SetQuantVarScales(scales_);
 }
 

paddle/fluid/inference/api/paddle_analysis_config.h

@@ -247,8 +247,12 @@ struct PD_INFER_DECL AnalysisConfig {
   ///
   /// \param memory_pool_init_size_mb initial size of the GPU memory pool in MB.
   /// \param device_id device_id the GPU card to use (default is 0).
+  /// \param precision the precision used in Paddle-GPU inference.
   ///
-  void EnableUseGpu(uint64_t memory_pool_init_size_mb, int device_id = 0);
+  void EnableUseGpu(uint64_t memory_pool_init_size_mb,
+                    int device_id = 0,
+                    Precision precision_mode = Precision::kFloat32);
+
   ///
   /// \brief Turn off GPU.
   ///
@@ -967,7 +971,7 @@ struct PD_INFER_DECL AnalysisConfig {
   /// interface is in the experimental stage and may change in the future. Note
   /// that the blacklist must be the same as the model conversion blacklist.
   ///
-  void Exp_SetBlackListOpsForMixedModel(
+  void Exp_DisableMixedPrecisionOps(
       const std::unordered_set<std::string>& black_list);
 
   void SetApplyOptim(bool value) { apply_optim_ = value; }
@@ -987,13 +991,15 @@ struct PD_INFER_DECL AnalysisConfig {
   mutable std::string params_file_;
   mutable std::string calibration_file_path_;
 
-  // Mixed precision.
+  // Mixed precision related.
+  Precision mixed_precision_mode_{Precision::kFloat32};
   std::unordered_set<std::string> mixed_black_list_;
 
   // GPU related.
   bool use_gpu_{false};
   int gpu_device_id_{0};
   uint64_t memory_pool_init_size_mb_{100};  // initial size is 100MB.
+  bool enable_gpu_mixed_{false};
   bool thread_local_stream_{false};
 
   bool use_cudnn_{false};

paddle/fluid/inference/api/paddle_pass_builder.cc

@@ -171,8 +171,9 @@ const std::vector<std::string> kGpuLowerPrecisionPasses{
     "multi_devices_fused_multi_transformer_decoder_fuse_qkv_pass",
     "gpu_cpu_map_matmul_v2_to_mul_pass",
     "gpu_cpu_map_matmul_v2_to_matmul_pass",
+    "gpu_cpu_map_matmul_to_mul_pass",
     "fc_fuse_pass",
-    "fc_elementwise_layernorm_fuse_pass",
+    // "fc_elementwise_layernorm_fuse_pass",
     "embedding_eltwise_layernorm_fuse_pass",
     "runtime_context_cache_pass",
 };
@@ -227,9 +228,10 @@ GpuPassStrategy::GpuPassStrategy() : PassStrategy({}) {
         "conv_elementwise_add_fuse_pass",      //
 #endif                                         //
         "transpose_flatten_concat_fuse_pass",  //
-        "constant_folding_pass",
+        "constant_folding_pass",               //
         // following pass should be located in the last, since it will
         // work on all fused ops.
+        "auto_mixed_precision_pass",  //
         "runtime_context_cache_pass"
   });