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(
22 : HcclReduceOp opType, void* sendBuffer, void* recvBuffer, u64 dataCount, HcclDataType dataType,
23 : u64 strideLen = 0, AivAicpuOpParam* nextTask = nullptr) override;
24 :
25 : private:
26 : HcclResult RunAllGatherv(
27 : HcclReduceOp opType, void* sendBuffer, void* recvBuffer, u64 dataCount, HcclDataType dataType, u64 strideCnt);
28 : HcclResult RunAllGathervMC(
29 : HcclReduceOp opType, void* sendBuffer, void* recvBuffer, u64 dataCount, HcclDataType dataType, u64 strideCnt,
30 : AivAicpuOpParam* nextTask);
31 :
32 : HcclResult GenRingTask(
33 : HcclReduceOp opType, u64 sndAddr, u64 rcvAddr, u64 gatherSize, HcclDataType dataType, uint32_t streamId,
34 : bool isClockwise, uint32_t step, bool isWindowLast) const;
35 : HcclResult RunDoubleRingAllGather(
36 : HcclReduceOp opType, u64 sendBuffer, u64 recvBuffer, u64 dataCount, HcclDataType dataType) const;
37 :
38 : u64 GetWindowOffset(u32 curTurnCnt, u64 curSize, u64 strideCnt, u64 recvBuffer);
39 :
40 : static bool isMCFirstCall;
41 : };
42 :
43 : #endif
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