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88 lines
2.3 KiB
88 lines
2.3 KiB
// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <memory>
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#include <utility>
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#include <vector>
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namespace paddle {
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namespace imperative {
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class VariableWrapper;
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class SavedVariableWrapperList {
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public:
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SavedVariableWrapperList() : vars_(), is_grad_(false) {}
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template <typename... Args>
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explicit SavedVariableWrapperList(bool is_grad, Args&&... args)
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: vars_(std::forward<Args>(args)...), is_grad_(is_grad) {}
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bool IsGrad() const { return is_grad_; }
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void SetIsGrad(bool is_grad) { is_grad_ = is_grad; }
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const std::vector<std::shared_ptr<VariableWrapper>>& VarList() const {
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return vars_;
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}
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std::vector<std::shared_ptr<VariableWrapper>>* MutableVarList() {
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return &vars_;
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}
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/* Borrow method from std::vector */
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size_t size() const { return vars_.size(); }
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bool empty() const { return vars_.empty(); }
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template <typename... ARGS>
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void emplace_back(ARGS&&... args) {
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vars_.emplace_back(std::forward<ARGS>(args)...);
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}
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using Iterator = std::vector<std::shared_ptr<VariableWrapper>>::iterator;
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using ConstIterator =
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std::vector<std::shared_ptr<VariableWrapper>>::const_iterator;
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Iterator begin() { return vars_.begin(); }
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Iterator end() { return vars_.end(); }
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ConstIterator begin() const { return vars_.begin(); }
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ConstIterator end() const { return vars_.end(); }
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std::shared_ptr<VariableWrapper>& operator[](size_t idx) {
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return vars_[idx];
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}
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const std::shared_ptr<VariableWrapper>& operator[](size_t idx) const {
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return vars_[idx];
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}
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operator const std::vector<std::shared_ptr<VariableWrapper>>&() const {
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return vars_;
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}
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private:
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std::vector<std::shared_ptr<VariableWrapper>> vars_;
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bool is_grad_;
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};
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} // namespace imperative
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} // namespace paddle
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