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 "coll_all_gather_single_rank_executor.h"
      12              : 
      13              : namespace hccl {
      14            0 : CollAllGatherSingleRankExecutor::CollAllGatherSingleRankExecutor(
      15            0 :     const HcclDispatcher dispatcher, std::unique_ptr<TopoMatcher>& topoMatcher)
      16            0 :     : CollAllGatherExecutor(dispatcher, topoMatcher)
      17            0 : {}
      18              : 
      19            0 : HcclResult CollAllGatherSingleRankExecutor::KernelRun(const OpParam& param, ExecMem& execMem)
      20              : {
      21            0 :     HCCL_CONFIG_INFO(HCCL_ALG, "[CollAllGatherSingleRankExecutor][KernelRun]AllGather single rank");
      22            0 :     u32 unitSize = SIZE_TABLE[param.DataDes.dataType];
      23            0 :     auto originalAlgTypeLevel1 = static_cast<u32>(algType_.algoLevel1);
      24            0 :     bool hugeData = (execMem.count * unitSize) > SDMA_SEND_MAX_SIZE;
      25            0 :     if (execMem.inputPtr == execMem.outputPtr) {
      26              :         // 通过CopyPattern字段区分不同的子图
      27            0 :         auto opMeta = HcclOpMetaInfo::GetOneForAllGather(originalAlgTypeLevel1, hugeData, false, CopyPattern::ZCOPY);
      28            0 :         CHK_RET(InitTask(dispatcher_, const_cast<Stream&>(param.stream), opMeta.isEnableCache, opMeta.GetCacheKey()));
      29              :     } else {
      30            0 :         auto opMeta = HcclOpMetaInfo::GetOneForAllGather(originalAlgTypeLevel1, hugeData, false, CopyPattern::BCOPY);
      31            0 :         CHK_RET(InitTask(dispatcher_, const_cast<Stream&>(param.stream), opMeta.isEnableCache, opMeta.GetCacheKey()));
      32              :         // ranksize = 1; input、output地址不同，input->output
      33            0 :         DeviceMem srcMem(execMem.inputPtr, execMem.count * unitSize);
      34            0 :         DeviceMem dstMem(execMem.outputPtr, execMem.count * unitSize);
      35            0 :         CHK_RET(HcclD2DMemcpyAsync(dispatcher_, dstMem, srcMem, const_cast<Stream&>(param.stream)));
      36            0 :     }
      37            0 :     CHK_RET(LaunchTaskExtend(dispatcher_, const_cast<Stream&>(param.stream), algResResp_->slaveStreams));
      38              : 
      39            0 :     return HCCL_SUCCESS;
      40              : }
      41              : 
      42              : REGISTER_EXEC("AllGatherSingleExecutor", AllGatherSingleRank, CollAllGatherSingleRankExecutor);
      43              : 
      44              : } // namespace hccl