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              : #include "topo_match_mesh.h"
      12              : 
      13              : namespace Hccl {
      14            0 : TopoMatchMesh::TopoMatchMesh(const RankId vRank, const u32 rankSize, const RankGraph *rankGraph,
      15            0 :                              const DevType devType)
      16            0 :     : TopoMatchBase(vRank, rankSize, rankGraph, devType)
      17              : {
      18            0 : }
      19              : 
      20            0 : TopoMatchMesh::~TopoMatchMesh()
      21              : {
      22            0 : }
      23              : 
      24            0 : HcclResult TopoMatchMesh::MatchTopo(std::vector<std::vector<RankId>> &vTopo, std::vector<RankId> &virtRanks,
      25              :                                     std::map<RankId, u32> &virtRankMap)
      26              : {
      27              :     // 获取并校验通信层数
      28            0 :     std::set<u32> levelSet = rankGraph_->GetLevels(myRank_);
      29            0 :     CHK_PRT_RET((levelSet.size() == COMM_LEVEL_SIZE_0),
      30              :                 HCCL_ERROR("[CollAlgFactory] [TopoMatchMesh] Rank [%d], Invalid virtual topo.", myRank_),
      31              :                 HcclResult::HCCL_E_PARA);
      32            0 :     CHK_RET(MeshTopoForAllLevel());
      33            0 :     virtRanks = rankIds_;
      34            0 :     vTopo.push_back(rankIds_);
      35              : 
      36            0 :     CHK_PRT_RET(GenVirtRankMapping(virtRanks, virtRankMap) != HcclResult::HCCL_SUCCESS,
      37              :                 HCCL_ERROR("[CollAlgFactory] [TopoMatchMesh] Rank [%d], Fail to generate virtRankMapping.", myRank_),
      38              :                 HcclResult::HCCL_E_INTERNAL);
      39            0 :     return HcclResult::HCCL_SUCCESS;
      40            0 : }
      41              : 
      42            0 : HcclResult TopoMatchMesh::MeshTopoForAllLevel()
      43              : {
      44            0 :     const NetInstance* netInstance = rankGraph_->GetNetInstanceByRankId(0, myRank_);
      45            0 :     if (netInstance == nullptr) {
      46            0 :         HCCL_ERROR("[CollAlgFactory] [TopoMatchMesh] Rank [%d], netInstance is nullptr.", myRank_);
      47            0 :         return HcclResult::HCCL_E_PTR;
      48              :     }
      49            0 :     std::set<RankId> rankSet = netInstance->GetRankIds();
      50            0 :     for (u32 rankIdx = 0; rankIdx < rankSize_; rankIdx++) {
      51            0 :         RankId rankId = static_cast<RankId>(rankIdx);
      52            0 :         auto rankInRankSet = std::find(rankSet.begin(), rankSet.end(), rankId);
      53            0 :         if (rankInRankSet != rankSet.end()) {
      54            0 :             u32 srcLocalId = rankGraph_->GetReplacedLocalId(myRank_);
      55            0 :             u32 dstLocalId = rankGraph_->GetReplacedLocalId(rankId);
      56            0 :             if ((srcLocalId / RANK_SIZE_EIGHT == dstLocalId / RANK_SIZE_EIGHT) ||
      57            0 :                 (srcLocalId % RANK_SIZE_EIGHT == dstLocalId % RANK_SIZE_EIGHT)) {
      58            0 :                 rankIds_.push_back(rankId);
      59            0 :                 continue;
      60              :             }
      61              :         }
      62            0 :         if (GetPathNum(myRank_, rankId) == 0) {
      63            0 :             HCCL_ERROR("[CollAlgFactory] [TopoMatchMesh] Rank [%d], Invalid virtual topo for full mesh.", myRank_);
      64            0 :             return HcclResult::HCCL_E_PARA;
      65              :         }
      66            0 :         rankIds_.push_back(rankId);
      67              :     }
      68            0 :     return HcclResult::HCCL_SUCCESS;
      69            0 : }
      70              : } // namespace Hccl