1 /** 2 * Copyright 2023 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_LITE_SRC_TRAIN_OPTIMIZER_FUSION_GRU_FUSION_PASS_H_ 18 #define MINDSPORE_LITE_SRC_TRAIN_OPTIMIZER_FUSION_GRU_FUSION_PASS_H_ 19 20 #include <memory> 21 #include <vector> 22 #include "tools/converter/optimizer.h" 23 24 namespace mindspore { 25 namespace lite { 26 class LinkInfoManager; 27 class GruFusionPass : public GraphPass { 28 public: 29 GruFusionPass() = default; 30 ~GruFusionPass() override = default; 31 STATUS Run(schema::MetaGraphT *graph) override; 32 33 private: 34 STATUS FuseToGruCell(schema::MetaGraphT *graph); 35 STATUS FuseGruCell(schema::MetaGraphT *graph); 36 bool MatchPatten(schema::MetaGraphT *graph, uint32_t stack_index, std::vector<uint32_t> *strided_slices, 37 std::vector<uint32_t> *squeezes, std::vector<uint32_t> *gru_cells); 38 bool CheckGruCellConnection(schema::MetaGraphT *graph, const std::vector<uint32_t> &gru_cells); 39 STATUS CreateGru(schema::MetaGraphT *graph, uint32_t stack_index, const std::vector<uint32_t> &strided_slices, 40 const std::vector<uint32_t> &squeezes, const std::vector<uint32_t> &gru_cells); 41 std::shared_ptr<LinkInfoManager> link_info_manager_{nullptr}; 42 }; 43 } // namespace lite 44 } // namespace mindspore 45 #endif // MINDSPORE_LITE_SRC_TRAIN_OPTIMIZER_FUSION_GRU_FUSION_PASS_H_ 46