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 __AICPU_ALLGATHER_H__
12 : #define __AICPU_ALLGATHER_H__
13 :
14 : #include "aicpu_algorithm.h"
15 :
16 : class AicpuAllgather : public AicpuAlgorithm {
17 : public:
18 32 : explicit AicpuAllgather(AicpuComContext *ctx) : AicpuAlgorithm(ctx) {}
19 32 : ~AicpuAllgather() override = default;
20 :
21 : HcclResult RunAlgorithm(HcclReduceOp opType, void *sendBuffer, void *recvBuffer, u64 dataCount,
22 : HcclDataType dataType, u64 strideLen = 0, AivAicpuOpParam *nextTask = nullptr) override;
23 : private:
24 : HcclResult RunAllGatherv(HcclReduceOp opType, void *sendBuffer, void *recvBuffer, u64 dataCount,
25 : HcclDataType dataType, u64 strideCnt);
26 : HcclResult RunAllGathervMC(HcclReduceOp opType, void *sendBuffer, void *recvBuffer, u64 dataCount,
27 : HcclDataType dataType, u64 strideCnt, AivAicpuOpParam *nextTask);
28 :
29 : HcclResult GenRingTask(HcclReduceOp opType, u64 sndAddr, u64 rcvAddr, u64 gatherSize, HcclDataType dataType,
30 : uint32_t streamId, bool isClockwise, uint32_t step, bool isWindowLast) const;
31 : HcclResult RunDoubleRingAllGather(HcclReduceOp opType, u64 sendBuffer,
32 : u64 recvBuffer, u64 dataCount, HcclDataType dataType) const;
33 :
34 : u64 GetWindowOffset(u32 curTurnCnt, u64 curSize, u64 strideCnt, u64 recvBuffer);
35 :
36 : static bool isMCFirstCall;
37 : };
38 :
39 : #endif
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