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