Line data Source code
1 : /**
2 : * Copyright (c) 2025 Huawei Technologies Co., Ltd.
3 : * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
4 : * CANN Open Software License Agreement Version 2.0 (the "License").
5 : * Please refer to the License for details. You may not use this file except in compliance with the License.
6 : * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
7 : * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
8 : * See LICENSE in the root of the software repository for the full text of the License.
9 : */
10 :
11 : #ifndef HCCLV2_TOPO_MATCH_CONCURR_MESH_NHR
12 : #define HCCLV2_TOPO_MATCH_CONCURR_MESH_NHR
13 :
14 : #include "topo_match_base.h"
15 :
16 : namespace Hccl {
17 :
18 : class TopoMatchConcurrMeshNHR : public TopoMatchBase {
19 : public:
20 : explicit TopoMatchConcurrMeshNHR(const RankId vRank, const u32 rankSize, const RankGraph *rankGraph,
21 : const DevType devType);
22 : ~TopoMatchConcurrMeshNHR() override;
23 :
24 0 : std::string Describe() const override
25 : {
26 0 : return "Topo Match for Multi-dimensional Concurrent Mesh Algorithm (CURRENTLY only 2-D Concurr Mesh is "
27 0 : "supported).";
28 : }
29 : using TopoMatchBase::MatchTopo;
30 : HcclResult MatchTopo(std::vector<std::vector<std::vector<RankId>>> &vTopo,
31 : std::vector<std::vector<RankId>> &virtRanks, std::vector<std::map<RankId, u32>> &virtRankMap) override;
32 :
33 : private:
34 : std::vector<RankId> rankOnSameBoard_; // ranks with same boardIds in rack
35 : std::vector<RankId> rankOnSameSlot_; // ranks with same slotIds in rack
36 : std::vector<std::vector<RankId>> rankOnSameBoardVector_; // ranks vector with same boardIds in rack
37 : std::vector<std::vector<RankId>> rankOnSameSlotVector_; // ranks vector with same slotIds in rack
38 : std::vector<u32> numRanksPerBoard_; // ranks num with same boardIds in rack
39 :
40 : HcclResult GenerateLevel0(const std::set<RankId> &rankSetLevel0, u32 gcdInstSize, RankId rankId,
41 : std::vector<std::vector<std::vector<RankId>>> &vTopo,
42 : std::vector<std::vector<RankId>> &virtRanks);
43 :
44 : // 当 level0 子通信域为矩形时, 计算 myRank 所在 level0 子通信域的具体信息
45 : HcclResult FindLevel0Block(const Matrix<RankId>& podTopo, u32 subDim0Size, u32 subDim1Size,
46 : u32 myRank, std::vector<RankId>& subRankList, Matrix<RankId>& subRankTopo) const;
47 :
48 : // FindLevel0Bloc 的辅助函数
49 : HcclResult FindMyRankLocation(const Matrix<RankId>& podTopo, u32 myRank, u32 &row, u32 &col) const;
50 : HcclResult ExtractLevel0Block(const Matrix<RankId>& podTopo, u32 startRow, u32 startCol,
51 : u32 targetRow, u32 targetCol,
52 : u32 subDim0Size, u32 subDim1Size,
53 : std::vector<RankId>& subRankList,
54 : Matrix<RankId>& subRankTopo) const;
55 :
56 : // 对称判断依据: instSizeList 中每个元素相等
57 : bool CheckSymmetric(std::vector<u32>& values) const;
58 : };
59 : } // namespace Hccl
60 :
61 : #endif // !HCCLV2_TOPO_MATCH_CONCURR_MESH_NHR
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