You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.9 KiB
59 lines
1.9 KiB
5 years ago
|
// Copyright (c) 2020 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.
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <memory>
|
||
|
|
#include <vector>
|
||
|
|
#include "paddle/fluid/imperative/backward_strategy.h"
|
||
|
|
#include "paddle/fluid/imperative/engine.h"
|
||
|
|
#include "paddle/fluid/platform/place.h"
|
||
|
|
|
||
|
|
namespace paddle {
|
||
|
|
namespace imperative {
|
||
|
|
|
||
|
|
class VarBase;
|
||
|
|
|
||
|
|
class PartialGradEngine : public Engine {
|
||
|
|
public:
|
||
|
|
PartialGradEngine(const std::vector<std::shared_ptr<VarBase>> &input_targets,
|
||
|
|
const std::vector<std::shared_ptr<VarBase>> &output_targets,
|
||
|
|
const std::vector<std::shared_ptr<VarBase>> &output_grads,
|
||
|
|
const std::vector<std::shared_ptr<VarBase>> &no_grad_vars,
|
||
|
|
const platform::Place &place,
|
||
|
|
const detail::BackwardStrategy &strategy,
|
||
|
|
bool create_graph);
|
||
|
|
|
||
|
|
void Execute() override;
|
||
|
|
|
||
|
|
std::vector<std::shared_ptr<VarBase>> GetResult() const;
|
||
|
|
|
||
|
|
private:
|
||
|
|
void Clear();
|
||
|
|
|
||
|
|
private:
|
||
|
|
std::vector<std::shared_ptr<VarBase>> input_targets_;
|
||
|
|
std::vector<std::shared_ptr<VarBase>> output_targets_;
|
||
|
|
std::vector<std::shared_ptr<VarBase>> output_grads_;
|
||
|
|
std::vector<std::shared_ptr<VarBase>> no_grad_vars_;
|
||
|
|
platform::Place place_;
|
||
|
|
detail::BackwardStrategy strategy_;
|
||
|
|
bool create_graph_;
|
||
|
|
|
||
|
|
std::vector<std::shared_ptr<VarBase>> results_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace imperative
|
||
|
|
} // namespace paddle
|