1 /** 2 * Copyright 2020 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GPU_REPLACE_MOMENTUM_CAST_FUSION_H_ 17 #define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GPU_REPLACE_MOMENTUM_CAST_FUSION_H_ 18 19 #include <memory> 20 #include "backend/optimizer/common/optimizer.h" 21 22 namespace mindspore { 23 namespace opt { 24 class ReplaceMomentumCastFusion : public PatternProcessPass { 25 public: 26 explicit ReplaceMomentumCastFusion(bool multigraph = true) : PatternProcessPass("replace_momentum_cast", multigraph) { 27 var_ = std::make_shared<Var>(); 28 acc_ = std::make_shared<Var>(); 29 lr_ = std::make_shared<Var>(); 30 grad_ = std::make_shared<Var>(); 31 mom_ = std::make_shared<Var>(); 32 } 33 ~ReplaceMomentumCastFusion() override = default; 34 const BaseRef DefinePattern() const override; 35 const AnfNodePtr Process(const FuncGraphPtr &, const AnfNodePtr &, const EquivPtr &) const override; 36 37 private: 38 VarPtr var_; 39 VarPtr acc_; 40 VarPtr lr_; 41 VarPtr grad_; 42 VarPtr mom_; 43 }; 44 } // namespace opt 45 } // namespace mindspore 46 #endif // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GPU_REPLACE_MOMENTUM_CAST_FUSION_H_ 47