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              : #ifndef HCCLV2_CCU_CONTEXT_ALL_REDUCE_MESH_DETOUR_1D_H_
      12              : #define HCCLV2_CCU_CONTEXT_ALL_REDUCE_MESH_DETOUR_1D_H_
      13              : 
      14              : #include <vector>
      15              : #include <ios>
      16              : #include "log.h"
      17              : #include "ccu_context_alg_base.h"
      18              : #include "ccu_datatype.h"
      19              : #include "ccu_assist.h"
      20              : 
      21              : namespace Hccl {
      22              : 
      23              : class CcuContextAllReduceMeshDetour1D : public CcuContextAlgBase {
      24              : public:
      25              :     CcuContextAllReduceMeshDetour1D(
      26              :         const CcuCtxArg& arg, const std::vector<CcuTransport*>& transports, const CcuTransportGroup& group);
      27            0 :     ~CcuContextAllReduceMeshDetour1D() override {}
      28              : 
      29              :     void Algorithm() override;
      30              :     std::vector<uint64_t> GeneArgs(const CcuTaskArg& arg) override;
      31              : 
      32              : private:
      33              :     void CreateMultiOpReduceDetour(DataType& dataType, DataType& outputDataType, ReduceOp& opType);
      34              :     void GroupReduceDetour(
      35              :         std::vector<CcuRep::Memory>& src, std::vector<CcuRep::Memory>& dst, DataType& dataType,
      36              :         DataType& outputDataType, ReduceOp& opType);
      37              :     void CreateMultiOpBroadcastDetour();
      38              :     void GroupBroadcastDetour(
      39              :         std::vector<CcuRep::Variable>& lengths, std::vector<CcuRep::Memory>& src, std::vector<CcuRep::Memory>& dst);
      40              :     void ReduceScatterFirstStep();
      41              :     void ReduceScatterSecondStep();
      42              :     void AllGatherFirstStep();
      43              :     void AllGatherSecondStep();
      44              : 
      45              :     uint64_t singleTransportSize{0}; // 每个loop单次传输的总数据量，通信域级别
      46              :     uint64_t detourPathNum{0};
      47              :     uint64_t pathNumPerPeer{0}; // 到每个rank有几个transport，包括重复的
      48              :     std::vector<std::vector<CcuTransport*>> detourTransports_;
      49              :     CcuRep::Variable tailOffset_; // 尾块相对偏移，singleTransportSize*128*iterNum
      50              : 
      51              :     DataType dataType_;
      52              :     DataType outputDataType_;
      53              :     std::vector<CcuRep::Variable> input_;
      54              :     std::vector<CcuRep::Variable> output_;
      55              :     std::vector<CcuRep::Variable> token_;
      56              :     CcuRep::Variable offset_;
      57              :     CcuRep::Variable iterNum_;
      58              :     CcuRep::Variable tailSize_;
      59              :     GroupOpSize groupOpSize_;
      60              :     std::vector<CcuRep::Variable> lengths_;
      61              : };
      62              : } // namespace Hccl
      63              : 
      64              : #endif // HCCLV2_CCU_CONTEXT_ALL_REDUCE_MESH_DETOUR_1D_H_