1 /** 2 * Copyright 2024 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_KERNEL_PACKET_SYMBOL_ENGINE_EXTENDER_H_ 17 #define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_KERNEL_PACKET_SYMBOL_ENGINE_EXTENDER_H_ 18 19 #include <string> 20 #include "utils/hash_set.h" 21 #include "include/backend/optimizer/pass.h" 22 #include "include/backend/optimizer/optimizer.h" 23 24 namespace mindspore::graphkernel::packet { 25 // Extend kernel to a bigger subgraph using a symbol engine, 26 // to include all the nodes that do shape calc for the kernel. 27 class SymbolEngineExtender : public opt::Pass { 28 public: SymbolEngineExtender()29 SymbolEngineExtender() : Pass("symbol_engine_extender") {} 30 ~SymbolEngineExtender() override = default; 31 bool Run(const FuncGraphPtr &func_graph) override; 32 33 protected: 34 bool CheckBaseNode(const AnfNodePtr &node); 35 AnfNodePtrList FindCandidates(const CNodePtr &base_node); 36 bool ExtendNode(const AnfNodePtr &node, const FuncGraphPtr &main_fg); 37 void FindValueDependNode(const CNodePtr &node, HashSet<AnfNodePtr> *visited, HashSet<AnfNodePtr> *valid_nodes); 38 void FindShapeDependHostNode(const CNodePtr &node, HashSet<AnfNodePtr> *visited, HashSet<AnfNodePtr> *valid_nodes); 39 ValuePtr FindOnlyDependShapeInputs(const FuncGraphPtr &fg) const; 40 }; 41 } // namespace mindspore::graphkernel::packet 42 #endif // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_KERNEL_PACKET_SYMBOL_ENGINE_EXTENDER_H_ 43