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_ASCEND_IR_FISSION_SPLIT_FISSION_H_ 17 #define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_ASCEND_IR_FISSION_SPLIT_FISSION_H_ 18 19 #include <string> 20 #include "backend/optimizer/common/optimizer.h" 21 22 namespace mindspore { 23 namespace opt { 24 constexpr int64_t kSplitOutputsDivisor = 63; 25 class SplitFission : public PatternProcessPass { 26 public: 27 explicit SplitFission(const std::string name = "split_fission", bool multigraph = true, 28 int64_t divisor = kSplitOutputsDivisor) PatternProcessPass(name,multigraph)29 : PatternProcessPass(name, multigraph), outputs_divisor_(divisor) {} 30 ~SplitFission() override = default; 31 const BaseRef DefinePattern() const override; 32 const AnfNodePtr Process(const FuncGraphPtr &, const AnfNodePtr &, const EquivPtr &) const override; 33 34 protected: 35 AnfNodePtr DoFission(const FuncGraphPtr &func_graph, const CNodePtr &cnode, int64_t num_split, int64_t divisor, 36 int64_t split_dim) const; 37 int64_t outputs_divisor_; 38 }; 39 } // namespace opt 40 } // namespace mindspore 41 #endif // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_ASCEND_IR_FISSION_SPLIT_FISSION_H_ 42