1 /** 2 * Copyright 2020-2023 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_CCSRC_FRONTEND_PARALLEL_ALLREDUCE_FUSION_ALLREDUCE_NODE_H_ 18 #define MINDSPORE_CCSRC_FRONTEND_PARALLEL_ALLREDUCE_FUSION_ALLREDUCE_NODE_H_ 19 20 #include <memory> 21 #include <vector> 22 #include "utils/hash_map.h" 23 #include "utils/hash_set.h" 24 #include "ir/anf.h" 25 #include "frontend/parallel/status.h" 26 27 namespace mindspore { 28 namespace parallel { 29 class AllreduceNode; 30 using AllreduceNodePtr = std::shared_ptr<AllreduceNode>; 31 32 class AllreduceNode { 33 public: AllreduceNode()34 AllreduceNode() 35 : cnode_ptr_(nullptr), prev_(), next_(), paras_(), para_size_map_(), curr_para_size_(0), depend_feat_size_(0) {} 36 Status Init(const CNodePtr &cnode_ptr); 37 Status AddPara(const AnfNodePtr &node_ptr); 38 Status RemovePara(const AnfNodePtr &node_ptr); paras()39 const mindspore::HashSet<AnfNodePtr> ¶s() const { return paras_; } curr_para_size()40 double curr_para_size() const { return curr_para_size_; } 41 virtual ~AllreduceNode() = default; 42 // Add previous node 43 // prev_node is the previous to be added 44 // max is the current max depend_feat_size of the AllreduceGraph 45 Status AddPrev(const AllreduceNodePtr &prev_node, double dist, double *max); 46 Status AddNext(const AllreduceNodePtr &next_node); depend_feat_size()47 double depend_feat_size() const { return depend_feat_size_; } AddDependFeatSize(double add_dist)48 void AddDependFeatSize(double add_dist) { depend_feat_size_ += add_dist; } next()49 const std::vector<AllreduceNodePtr> &next() const { return next_; } 50 void ToString() const; 51 bool operator<(const AllreduceNode &node) const { return depend_feat_size_ < node.depend_feat_size(); } 52 bool operator>(const AllreduceNode &node) const { return depend_feat_size_ > node.depend_feat_size(); } 53 54 private: 55 CNodePtr cnode_ptr_; 56 std::vector<AllreduceNodePtr> prev_; 57 std::vector<AllreduceNodePtr> next_; 58 mindspore::HashSet<AnfNodePtr> paras_; 59 mindspore::HashMap<AnfNodePtr, double> para_size_map_; 60 double curr_para_size_; 61 double depend_feat_size_; 62 }; 63 } // namespace parallel 64 } // namespace mindspore 65 66 #endif // MINDSPORE_CCSRC_FRONTEND_PARALLEL_ALLREDUCE_FUSION_ALLREDUCE_NODE_H_ 67