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 "alltoallv_staged_base.h"
12 : #include "log.h"
13 :
14 : namespace hccl {
15 : using namespace std;
16 :
17 2 : AlltoAllVStagedBase::AlltoAllVStagedBase(const HcclDispatcher dispatcher)
18 2 : : AlgTemplateBase(dispatcher)
19 : {
20 2 : }
21 :
22 2 : AlltoAllVStagedBase::~AlltoAllVStagedBase() {}
23 :
24 3 : HcclResult AlltoAllVStagedBase::Prepare(DeviceMem &sendMem, DeviceMem &recvMem, StageAlltoAllVAddrInfo& sendAddrInfo,
25 : StageAlltoAllVAddrInfo& recvAddrInfo, bool isAlltoAllZCopyMode, Stream &mainStream)
26 : {
27 3 : sendMem_ = sendMem;
28 3 : recvMem_ = recvMem;
29 3 : sendAddrInfo_ = sendAddrInfo;
30 3 : recvAddrInfo_ = recvAddrInfo;
31 3 : isAlltoAllZCopyMode_ = isAlltoAllZCopyMode;
32 3 : mainStreamPtr_ = &mainStream;
33 3 : return HCCL_SUCCESS;
34 : }
35 :
36 0 : HcclResult AlltoAllVStagedBase::LocalCopy(u32 rank)
37 : {
38 0 : if (sendAddrInfo_.find(rank) == sendAddrInfo_.end()) {
39 0 : HCCL_ERROR("[AlltoAllVStaged][LocalCopy] Invalid Rank[%u]", rank);
40 0 : return HCCL_E_INTERNAL;
41 : }
42 :
43 0 : for (auto it = sendAddrInfo_[rank].begin(); it != sendAddrInfo_[rank].end(); it++) {
44 0 : u8 *dstAddr = static_cast<u8 *>(recvMem_.ptr()) + it->remoteOffset;
45 0 : u64 destMax = it->remoteLength;
46 0 : u8 *srcAddr = static_cast<u8 *>(sendMem_.ptr()) + it->localOffset;
47 0 : u64 size = it->localLength;
48 0 : DeviceMem dst = DeviceMem::create(dstAddr, destMax);
49 0 : DeviceMem src = DeviceMem::create(srcAddr, size);
50 :
51 0 : HCCL_DEBUG(
52 : "[AlltoAllVStagedPairwise][LocalCopy]: Rank[%u] destAddr[%p], destMax[%llu], srcAddr[%p], size[%llu]", rank,
53 : dstAddr, destMax, srcAddr, size);
54 0 : CHK_RET(HcclD2DMemcpyAsync(dispatcher_, dst, src, *mainStreamPtr_));
55 0 : }
56 :
57 0 : return HCCL_SUCCESS;
58 : }
59 : }
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