1 /** 2 * Copyright 2019 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_COMMON_PASS_MANAGER_H_ 17 #define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_COMMON_PASS_MANAGER_H_ 18 19 #include <utility> 20 #include <vector> 21 #include <string> 22 #include <memory> 23 #include <map> 24 25 #include "backend/optimizer/common/pass.h" 26 #include "backend/optimizer/common/node_pass.h" 27 28 namespace mindspore { 29 namespace opt { 30 class CacheManager { 31 public: CacheManager()32 CacheManager() {} 33 ~CacheManager() = default; 34 void Update(const AnfNodePtr &node); 35 TypeId GetOutputType(const AnfNodePtr &node, size_t index); 36 std::vector<size_t> GetOutputShape(const AnfNodePtr &node, size_t index); 37 38 private: 39 std::map<AnfNodePtr, std::map<size_t, TypeId>> type_map_; 40 std::map<AnfNodePtr, std::map<size_t, std::vector<size_t>>> shape_map_; 41 }; 42 using CacheManagerPtr = std::shared_ptr<CacheManager>; 43 44 // @brief For optimization passes management 45 class PassManager { 46 public: 47 explicit PassManager(const std::string &name = "pm", bool run_only_once = true) name_(name)48 : name_(name), passes_{}, run_only_once_(run_only_once), cache_manager_(std::make_shared<CacheManager>()) {} 49 virtual ~PassManager() = default; 50 // Get all the passes added by AddPass 51 const std::vector<PassPtr> &Passes() const; 52 // Add graph pass, the pass object will be freed when pass manager freed. 53 virtual void AddPass(const PassPtr &pass); 54 // Run passes added in pass manager on the input graph 55 // @param [in out] graph The graph to be optimized 56 // @return true, graph changed 57 // @return false, graph not changed 58 virtual bool Run(const FuncGraphPtr &func_graph) const; 59 // Run the given graph passes on the input graph 60 // @param [in out] graph The graph to be optimized 61 // @param [in] passes The given graph passes 62 // @return true, graph changed 63 // @return false, graph not changed 64 virtual bool Run(const FuncGraphPtr &func_graph, const std::vector<PassPtr> &passes) const; name()65 std::string name() const { return name_; } 66 67 protected: 68 virtual bool RunPass(const FuncGraphPtr &func_graph, size_t pass_id, const PassPtr &pass) const; 69 virtual std::string GetPassFullname(size_t pass_id, const PassPtr &pass) const; 70 virtual void DumpPassIR(const FuncGraphPtr &func_graph, const std::string &pass_fullname) const; 71 72 const std::string name_; 73 std::vector<PassPtr> passes_; 74 bool run_only_once_; 75 CacheManagerPtr cache_manager_; 76 }; 77 using PassManagerPtr = std::shared_ptr<PassManager>; 78 } // namespace opt 79 } // namespace mindspore 80 81 #endif // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_COMMON_PASS_MANAGER_H_ 82