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

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3.2 KiB

// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "paddle/fluid/inference/analysis/passes/ir_graph_build_pass.h"
#include <memory>
#include <string>
#include "paddle/fluid/framework/executor.h"
#include "paddle/fluid/framework/ir/fuse_pass_base.h"
#include "paddle/fluid/inference/io.h"
#include "paddle/fluid/platform/enforce.h"
namespace paddle {
namespace inference {
extern void ReadBinaryFile(const std::string &filename, std::string *contents);
namespace analysis {
void IrGraphBuildPass::RunImpl(Argument *argument) {
if (!argument->scope_valid()) {
argument->SetScope(new framework::Scope);
}
PADDLE_ENFORCE(argument->use_gpu_valid());
// The load program should run on the same device with the inference program,
// so that the parameters will on the same device, or they will keep copying
// between difference devices.
platform::Place place;
place = platform::CPUPlace();
if (argument->model_dir_valid()) {
auto program =
LoadModel(argument->model_dir(), argument->scope_ptr(), place);
argument->SetMainProgram(program.release());
} else if (argument->model_program_path_valid() &&
argument->model_params_path_valid()) {
auto program = LoadModel(
argument->model_program_path(), argument->model_params_path(),
argument->scope_ptr(), place,
argument->model_from_memory_valid() && argument->model_from_memory());
argument->SetMainProgram(program.release());
} else {
PADDLE_THROW(
"either model_dir or (program path and parameter path) should be set.");
}
auto graph = std::unique_ptr<Graph>(new Graph(argument->main_program()));
argument->SetMainGraph(graph.release());
auto *scope_ptr = argument->scope_ptr();
PADDLE_ENFORCE(scope_ptr);
argument->main_graph().SetNotOwned(framework::ir::kParamScopeAttr, scope_ptr);
}
std::unique_ptr<framework::ProgramDesc> IrGraphBuildPass::LoadModel(
const std::string &path, framework::Scope *scope,
const platform::Place &place) {
framework::Executor exe(place);
return Load(&exe, scope, path);
}
std::unique_ptr<framework::ProgramDesc> IrGraphBuildPass::LoadModel(
const std::string &program_path, const std::string &params_path,
framework::Scope *scope, const platform::Place &place,
bool model_from_memory) {
framework::Executor exe(place);
if (!model_from_memory) {
return Load(&exe, scope, program_path, params_path);
} else {
return LoadFromMemory(&exe, scope, program_path, params_path);
}
}
std::string IrGraphBuildPass::repr() const { return "ir-graph-build-pass"; }
} // namespace analysis
} // namespace inference
} // namespace paddle