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_BUFFER_FUSION_PASS_MULTI_OUTPUT_FUSION_PASS_H_ 17 #define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_ASCEND_BUFFER_FUSION_PASS_MULTI_OUTPUT_FUSION_PASS_H_ 18 19 #include <unordered_set> 20 #include <vector> 21 22 #include "backend/optimizer/ascend/buffer_fusion/fusion_base_pass.h" 23 #include "ir/anf.h" 24 #include "backend/optimizer/common/pass.h" 25 #include "backend/optimizer/common/fusion_id_allocator.h" 26 #include "runtime/device/kernel_info.h" 27 #include "backend/kernel_compiler/kernel.h" 28 #include "backend/session/kernel_graph.h" 29 30 namespace mindspore { 31 namespace opt { 32 using FusedNodeRecord = std::vector<std::unordered_set<AnfNodePtr>>; 33 34 class MultiOutputFusionPass : public FusionBasePass { 35 public: MultiOutputFusionPass(FusionIdAllocatorPtr idAllocator)36 explicit MultiOutputFusionPass(FusionIdAllocatorPtr idAllocator) 37 : FusionBasePass("MultiOutputFusionPass", idAllocator) {} 38 ~MultiOutputFusionPass() override = default; 39 void MatchSingleFusionPattern(const session::KernelGraph &kernel_graph, FusedNodeRecord *candidate_fusion) override; 40 41 private: 42 void MatchMultiOutputEltwise(const CNodePtr &cnode, const session::KernelGraph &kernel_graph, 43 FusedNodeRecord *candidate_fusion); 44 }; 45 } // namespace opt 46 } // namespace mindspore 47 48 #endif // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_ASCEND_BUFFER_FUSION_PASS_MULTI_OUTPUT_FUSION_PASS_H_ 49