mindspore2022/mindspore/ccsrc/parallel/allreduce_fusion/allreduce_node.h

62 lines
2.2 KiB
C++

/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MINDSPORE_CCSRC_PARALLEL_ALLREDUCE_FUSION_ALLREDUCE_NODE_H_
#define MINDSPORE_CCSRC_PARALLEL_ALLREDUCE_FUSION_ALLREDUCE_NODE_H_
#include <memory>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include "ir/anf.h"
#include "parallel/status.h"
namespace mindspore {
namespace parallel {
class AllreduceNode;
using AllreduceNodePtr = std::shared_ptr<AllreduceNode>;
class AllreduceNode {
public:
AllreduceNode()
: cnode_ptr_(nullptr), prev_(), next_(), paras_(), para_size_map_(), curr_para_size_(0), depend_feat_size_(0) {}
Status Init(const CNodePtr& cnode_ptr);
Status AddPara(const AnfNodePtr& node_ptr);
Status RemovePara(const AnfNodePtr& node_ptr);
const std::unordered_set<AnfNodePtr>& paras() const { return paras_; }
double curr_para_size() const { return curr_para_size_; }
virtual ~AllreduceNode() = default;
Status AddPrev(const AllreduceNodePtr& prev_node, double dist);
Status AddNext(const AllreduceNodePtr& next_node);
double depend_feat_size() const { return depend_feat_size_; }
void ToString() const;
bool operator<(const AllreduceNode& node) const { return depend_feat_size_ < node.depend_feat_size(); }
bool operator>(const AllreduceNode& node) const { return depend_feat_size_ > node.depend_feat_size(); }
private:
CNodePtr cnode_ptr_;
std::vector<AllreduceNodePtr> prev_;
std::vector<AllreduceNodePtr> next_;
std::unordered_set<AnfNodePtr> paras_;
std::unordered_map<AnfNodePtr, double> para_size_map_;
double curr_para_size_;
double depend_feat_size_;
};
} // namespace parallel
} // namespace mindspore
#endif // MINDSPORE_CCSRC_PARALLEL_ALLREDUCE_FUSION_ALLREDUCE_NODE_H_