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 17 #ifndef MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_ARITHMETIC_SIMPLIFY_H_ 18 #define MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_ARITHMETIC_SIMPLIFY_H_ 19 20 #include <memory> 21 22 #include "frontend/optimizer/irpass.h" 23 #include "mindspore/core/ops/sequence_ops.h" 24 #include "mindspore/core/ops/other_ops.h" 25 #include "mindspore/core/ops/math_ops.h" 26 #include "mindspore/core/ops/array_ops.h" 27 #include "frontend/optimizer/irpass/prim_eliminate.h" 28 #include "frontend/optimizer/optimizer_caller.h" 29 #include "frontend/optimizer/anf_visitor.h" 30 #include "ir/pattern_matcher.h" 31 32 namespace mindspore { 33 namespace opt { 34 namespace irpass { 35 // grad = AllReduce(grad) / worker_number 36 // grad = grad + weight * decy 37 // -> 38 // grad = grad + weight * decy 39 // grad = AllReduce(grad) / worker_number 40 41 // {prim::kPrimAddN, {prim::kPrimMakeTuple, {prim::kPrimMul, {prim::kPrimAllReduce, X}, Y}, Z}} -> 42 // {prim::kPrimMul, {prim::kPrimAllReduce, {prim::kPrimAddN,{prim::kPrimMakeTuple, Z, X}}}, Y} 43 class AdjustAllReduceMulAdd : public OptimizerCaller { 44 public: 45 AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override; 46 47 void ProcessDependEdge(const FuncGraphPtr &fg, const AnfNodePtr &addn_maketuple, const AnfNodePtr &new_node); 48 49 private: 50 AnfNodePtr mul_cnode_{nullptr}; 51 }; 52 53 class ArithmeticSimplify : public OptimizerCaller { 54 public: 55 AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override; 56 }; 57 } // namespace irpass 58 } // namespace opt 59 } // namespace mindspore 60 #endif // MINDSPORE_CCSRC_FRONTEND_OPTIMIZER_IRPASS_ARITHMETIC_SIMPLIFY_H_ 61