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 ALL_GATHER_RING_PUB_H
      12              : #define ALL_GATHER_RING_PUB_H
      13              : 
      14              : #include "alg_template_base_pub.h"
      15              : 
      16              : namespace hccl {
      17              : class AllGatherRing : public AlgTemplateBase {
      18              : public:
      19              :     explicit AllGatherRing(const HcclDispatcher dispatcher);
      20              : 
      21              :     ~AllGatherRing() override;
      22              : 
      23              :     HcclResult RunAsync(const u32 rank, const u32 rankSize, const std::vector<LINK>& links) override;
      24              :     HcclResult
      25              :     GetNslbAdjInfo(const u32 rank, const u32 rankSize, const std::vector<LINK>& links, AdjInfo& nslbAdjInfo) override;
      26              : 
      27              : protected:
      28              : private:
      29              :     // 获取向该rank往前的第i个rank
      30            0 :     inline u32 ForwordRank(u32 rank, u32 rankSize, u32 preNum) const { return (rank + rankSize - preNum) % rankSize; }
      31              :     HcclResult RunAllGather(u32 rank, u32 rankSize, const std::vector<Slice>& outputSlices);
      32              : 
      33              :     HcclResult TxVector(const LINK& link, const std::vector<Slice>& txSlices);
      34              :     HcclResult RxVector(const LINK& link, const std::vector<Slice>& rxSlices);
      35              :     HcclResult Tx(const LINK& link, const Slice& txSlice);
      36              :     HcclResult Rx(const LINK& link, const Slice& rxSlice);
      37              : 
      38              :     // allgather ring chunk实现相关函数
      39              :     HcclResult RunAllGatherChunk(const u32 rank, const u32 rankSize, const std::vector<Slice>& outputSlices);
      40              :     HcclResult HeadAllGatherChunk(u32 rank, u32 rankSize, const std::vector<Slice>& outputSlices);
      41              :     HcclResult MidAllGatherChunk(u32 rank, u32 rankSize, u32 sliceIdx, const std::vector<Slice>& outputSlices);
      42              :     HcclResult TailAllGatherChunk(u32 rank, u32 rankSize, u32 sliceIdx, const std::vector<Slice>& outputSlices);
      43              :     HcclResult AllGatherSlicesPrep(u32 rankSize, u32 nicSize);
      44              : 
      45              :     // 迭代6新增加
      46              :     std::shared_ptr<Transport> linkLeft_;
      47              :     std::shared_ptr<Transport> linkRight_;
      48              : };
      49              : } // namespace hccl
      50              : 
      51              : #endif /* ALL_GATHER_RING_PUB_H */