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 "calc_nhr_v1_transport_req.h"
      12              : #include "nonuniform_hierarchical_ring_v1_base_pub.h"
      13              : 
      14              : namespace hccl {
      15            0 : CalcNHRV1TransportReq::CalcNHRV1TransportReq(
      16            0 :     std::vector<std::vector<u32>>& subCommPlaneVector, std::vector<bool>& isBridgeVector, u32 userRank)
      17            0 :     : CalcTransportReqBase(subCommPlaneVector, isBridgeVector, userRank)
      18            0 : {}
      19              : 
      20            0 : CalcNHRV1TransportReq::~CalcNHRV1TransportReq() {}
      21              : 
      22            0 : HcclResult CalcNHRV1TransportReq::CalcTransportRequest(
      23              :     const std::string& tag, TransportMemType inputMemType, TransportMemType outputMemType,
      24              :     const CommParaInfo& commParaInfo, std::vector<SingleSubCommTransport>& commTransport, u32 subUserRankRoot)
      25              : {
      26              :     (void)subUserRankRoot;
      27            0 :     u32 ringSize = subCommPlaneVector_.size();
      28            0 :     commTransport.resize(ringSize);
      29              : 
      30            0 :     for (u32 ringIndex = 0; ringIndex < ringSize; ringIndex++) {
      31            0 :         if (commParaInfo.commPlane == COMM_LEVEL1 && !isBridgeVector_[ringIndex]) {
      32            0 :             continue; // 跳出本次循环
      33              :         }
      34              : 
      35            0 :         u32 rank = GetSubCollectiveRank(subCommPlaneVector_[ringIndex]);
      36            0 :         if (rank == INVALID_VALUE_RANKID) {
      37            0 :             continue;
      38              :         }
      39              : 
      40            0 :         u32 rankSize = subCommPlaneVector_[ringIndex].size();
      41            0 :         SingleSubCommTransport& subCommTransport = commTransport[ringIndex];
      42            0 :         subCommTransport.transportRequests.resize(rankSize);
      43              :         // 只有一张卡时不需要建链
      44            0 :         if (rankSize == HCCL_RANK_SIZE_EQ_ONE) {
      45            0 :             HCCL_INFO("comm base needn't to create links, rankSize_[%u].", rankSize);
      46            0 :             return HCCL_SUCCESS;
      47              :         }
      48              : 
      49            0 :         RingInfo info = NHRV1Base::GetRingInfo(subCommPlaneVector_[ringIndex].size());
      50              : 
      51            0 :         u32 hIndex = info.GetHIndex(rank);
      52            0 :         u32 vIndex = info.GetVIndex(rank);
      53            0 :         u32 hSize = info.GetHSizeByVIndex(vIndex);
      54            0 :         u32 vSize = info.GetVSizeByHIndex(hIndex);
      55              : 
      56              :         // 收集邻居
      57            0 :         std::set<u32> links;
      58              :         // -- 水平方向：左邻居
      59            0 :         links.insert(info.GetRank(vIndex, (hIndex + hSize - 1) % hSize));
      60              :         // -- 水平方向：右邻居
      61            0 :         links.insert(info.GetRank(vIndex, (hIndex + 1) % hSize));
      62              :         // -- 垂直方向：上邻居
      63            0 :         links.insert(info.GetRank((vIndex + vSize - 1) % vSize, hIndex));
      64              :         // -- 垂直方向：下邻居
      65            0 :         links.insert(info.GetRank((vIndex + 1) % vSize, hIndex));
      66              : 
      67            0 :         u32 rankOffset = info.GetRankOffset();
      68            0 :         if (rankOffset != rankSize) {
      69              :             // -- 水平方向：建立(x,0)和(x, sqrt-1)之间的链接
      70            0 :             if (hIndex == info.GetSqrtRankSize() - 1) {
      71            0 :                 links.insert(info.GetRank(vIndex, 0));
      72            0 :             } else if (hIndex == 0) {
      73            0 :                 links.insert(info.GetRank(vIndex, info.GetSqrtRankSize() - 1));
      74              :             }
      75              :             // -- 垂直方向：建立(0,y)和(y,sqrt)之间、(sqrt-1,y)和(y,sqrt)之间的链接
      76            0 :             if (hIndex < info.GetSqrtRankSize()) {
      77            0 :                 if (info.GetHSizeByVIndex(hIndex) > info.GetSqrtRankSize()
      78            0 :                     && (vIndex == info.GetVSizeByHIndex(hIndex) - 1 || vIndex == 0)) {
      79            0 :                     links.insert(info.GetRank(hIndex, info.GetSqrtRankSize()));
      80              :                 }
      81              :             } else {
      82            0 :                 links.insert(info.GetRank(0, vIndex));
      83            0 :                 links.insert(info.GetRank(info.GetVSizeByHIndex(vIndex) - 1, vIndex));
      84              :             }
      85              :         }
      86            0 :         for (u32 dstRank : links) {
      87            0 :             if (dstRank != rank) {
      88            0 :                 TransportRequest& tmpTransport = subCommTransport.transportRequests[dstRank];
      89            0 :                 tmpTransport.isValid = true;
      90            0 :                 tmpTransport.localUserRank = userRank_;
      91            0 :                 tmpTransport.remoteUserRank = subCommPlaneVector_[ringIndex][dstRank];
      92            0 :                 tmpTransport.inputMemType = inputMemType;
      93            0 :                 tmpTransport.outputMemType = outputMemType;
      94            0 :                 HCCL_INFO(
      95              :                     "[CommFactory][CalcNHRV1CommInfo] param_.tag[%s] ringIndex[%u], localRank[%u], "
      96              :                     "remoteRank[%u], inputMemType[%d], outputMemType[%d]",
      97              :                     tag.c_str(), ringIndex, userRank_, tmpTransport.remoteUserRank, inputMemType, outputMemType);
      98              :             }
      99              :         }
     100            0 :     }
     101            0 :     return HCCL_SUCCESS;
     102              : }
     103              : 
     104              : } // namespace hccl