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_partial_mesh_transport_req.h"
12 :
13 : namespace hccl {
14 0 : CalcPartialMeshTransportReq::CalcPartialMeshTransportReq(
15 0 : std::vector<std::vector<u32>>& subCommPlaneVector, std::vector<bool>& isBridgeVector, u32 userRank)
16 0 : : CalcTransportReqBase(subCommPlaneVector, isBridgeVector, userRank)
17 0 : {}
18 :
19 0 : CalcPartialMeshTransportReq::~CalcPartialMeshTransportReq() {}
20 :
21 0 : HcclResult CalcPartialMeshTransportReq::CalcTransportRequest(
22 : const std::string& tag, TransportMemType inputMemType, TransportMemType outputMemType,
23 : const CommParaInfo& commParaInfo, std::vector<SingleSubCommTransport>& commTransport,
24 : [[maybe_unused]] u32 subUserRankRoot)
25 : {
26 : // send/recv分别使用一个comm
27 0 : u32 ringSize = 2;
28 0 : commTransport.resize(ringSize);
29 :
30 0 : for (u32 ringIndex = 0; ringIndex < ringSize; ringIndex++) {
31 0 : if (commParaInfo.commPlane == COMM_LEVEL1 && !isBridgeVector_.empty() && !isBridgeVector_[0]) {
32 0 : continue; // 跳出本次循环
33 : }
34 0 : CHK_PRT_RET(
35 : subCommPlaneVector_.empty(),
36 : HCCL_ERROR("[CalcPartialMeshTransportReq][CalcTransportRequest] "
37 : "the vector named subCommPlaneVector_ is empty."),
38 : HCCL_E_NOT_FOUND);
39 0 : u32 rank = GetSubCollectiveRank(subCommPlaneVector_[0]);
40 0 : if (rank == INVALID_VALUE_RANKID) {
41 0 : continue;
42 : }
43 :
44 0 : u32 rankSize = subCommPlaneVector_[0].size();
45 0 : SingleSubCommTransport& subCommTransport = commTransport[ringIndex];
46 0 : subCommTransport.transportRequests.resize(rankSize);
47 : // 只有一张卡时不需要建链
48 0 : if (rankSize == HCCL_RANK_SIZE_EQ_ONE) {
49 0 : HCCL_INFO("comm base needn't to create links, rankSize_[%u].", rankSize);
50 0 : return HCCL_SUCCESS;
51 : }
52 :
53 0 : for (u32 rankIndex = 0; rankIndex < rankSize; rankIndex++) {
54 0 : TransportRequest& tmpTransport = subCommTransport.transportRequests[rankIndex];
55 0 : auto it = commParaInfo.batchSendRecvtargetRanks.find(subCommPlaneVector_[0][rankIndex]);
56 0 : if (rankIndex != rank && it != commParaInfo.batchSendRecvtargetRanks.end()) {
57 0 : tmpTransport.isValid = true;
58 0 : tmpTransport.localUserRank = userRank_;
59 0 : tmpTransport.remoteUserRank = subCommPlaneVector_[0][rankIndex];
60 0 : tmpTransport.inputMemType = inputMemType;
61 0 : tmpTransport.outputMemType = outputMemType;
62 0 : HCCL_INFO(
63 : "[CommFactory][CalcPartialMeshCommInfo] param_.tag[%s] ringIndex[%u], localRank[%u], "
64 : "remoteRank[%u], inputMemType[%d], outputMemType[%d]",
65 : tag.c_str(), ringIndex, userRank_, tmpTransport.remoteUserRank, inputMemType, outputMemType);
66 : } else {
67 0 : tmpTransport.isValid = false;
68 0 : continue;
69 : }
70 : }
71 : }
72 0 : return HCCL_SUCCESS;
73 : }
74 :
75 : } // namespace hccl
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