1 /** 2 * Copyright 2020-2021 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_GRAPH_KERNEL_GRAPH_KERNEL_EXPANDER_H_ 17 #define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_GRAPH_KERNEL_EXPANDER_H_ 18 #include <memory> 19 #include <vector> 20 #include <string> 21 #include <nlohmann/json.hpp> 22 #include "backend/optimizer/common/pass.h" 23 #include "ir/func_graph.h" 24 25 namespace mindspore { 26 namespace opt { 27 class Expander { 28 public: 29 virtual AnfNodePtr Run(const AnfNodePtr &node) = 0; 30 }; 31 using ExpanderPtr = std::shared_ptr<Expander>; 32 33 class PyExpander : public Expander { 34 public: 35 AnfNodePtr Run(const AnfNodePtr &node) override; 36 37 protected: 38 virtual bool ExpandJsonInfo(const AnfNodePtr &node, nlohmann::json *kernel_json); 39 virtual AnfNodePtr CreateExpandGraphKernel(const FuncGraphPtr &new_func_graph, const CNodePtr &old_node); 40 virtual FuncGraphPtr CreateExpandFuncGraph(const CNodePtr &node); 41 }; 42 43 class DefaultExpander : public PyExpander { 44 protected: 45 FuncGraphPtr CreateExpandFuncGraph(const CNodePtr &node) override; 46 }; 47 48 class ComplexOpExpander : public DefaultExpander { 49 protected: 50 bool ExpandJsonInfo(const AnfNodePtr &node, nlohmann::json *kernel_json); 51 }; 52 class GraphKernelExpander : public Pass { 53 public: GraphKernelExpander()54 GraphKernelExpander() : Pass("graph_kernel_expander") {} GraphKernelExpander(const std::string & name)55 explicit GraphKernelExpander(const std::string &name) : Pass(name) {} 56 ~GraphKernelExpander() override = default; 57 bool Run(const FuncGraphPtr &func_graph) override; 58 59 protected: 60 virtual ExpanderPtr GetExpander(const AnfNodePtr &node); 61 virtual bool DoExpand(const FuncGraphPtr &func_graph); CanExpand(const CNodePtr & node)62 virtual bool CanExpand(const CNodePtr &node) const { 63 return std::any_of(expand_ops_.begin(), expand_ops_.end(), 64 [&node](const PrimitivePtr &prim) { return IsPrimitiveCNode(node, prim); }); 65 } 66 67 private: 68 std::vector<PrimitivePtr> expand_ops_; 69 }; 70 class GraphKernelComplexExpander : public GraphKernelExpander { 71 public: GraphKernelComplexExpander()72 GraphKernelComplexExpander() : GraphKernelExpander("graph_kernel_complex_expander") {} 73 ~GraphKernelComplexExpander() override = default; 74 bool Run(const FuncGraphPtr &func_graph) override; 75 76 protected: 77 ExpanderPtr GetExpander(const AnfNodePtr &node) override; 78 bool CanExpand(const CNodePtr &node) const override; 79 }; 80 } // namespace opt 81 } // namespace mindspore 82 #endif // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_GRAPH_KERNEL_EXPANDER_H_ 83