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_REDUCE_SCATTER_H__
12 : #define __AICPU_REDUCE_SCATTER_H__
13 :
14 : #include "aicpu_algorithm.h"
15 :
16 : class AicpuReduceScatter : public AicpuAlgorithm {
17 : public:
18 20 : explicit AicpuReduceScatter(AicpuComContext* ctx) : AicpuAlgorithm(ctx) {}
19 20 : ~AicpuReduceScatter() 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 RunReduceScatterWriteMode(
27 : HcclReduceOp opType, void* sendBuffer, void* recvBuffer, u64 dataCount, HcclDataType dataType, u64 strideLen);
28 : HcclResult RunReduceScatterReadMode(
29 : HcclReduceOp opType, void* sendBuffer, void* recvBuffer, u64 dataCount, HcclDataType dataType);
30 :
31 : std::vector<Slice> PrepareMeshSlice(u64 dataSize, uint32_t rankNum);
32 : HcclResult RunDeterministicReduceScatter(
33 : HcclReduceOp opType, void* sendBuffer, void* recvBuffer, u64 dataCount, HcclDataType dataType, u64 strideCount);
34 : HcclResult RunDeterministicReduceScatterLocal(
35 : HcclReduceOp opType, void* sendBuffer, void* recvBuffer, u64 dataCount, HcclDataType dataType, u64 strideLen);
36 : HcclResult RunCurrentDeterministicReduceScatter(
37 : HcclReduceOp opType, uint8_t* curInputPtr, uint8_t* curOutputPtr, u64 strideSize, u64 curSize,
38 : HcclDataType dataType);
39 :
40 : // 910_93
41 : HcclResult GenRingTask(
42 : HcclReduceOp opType, u64 sndAddr, u64 rcvAddr, u64 curSize, u64 scatterSize, HcclDataType dataType,
43 : uint32_t streamId, bool isClockwise, uint32_t step) const;
44 : HcclResult RunDoubleRingReduceScatter(
45 : HcclReduceOp opType, u64 sendBuffer, u64 recvBuffer, u64 dataCount, HcclDataType dataType) const;
46 : HcclResult RunSwitchReduceScatter(
47 : HcclReduceOp opType, u64 sendBuffer, u64 recvBuffer, u64 dataCount, HcclDataType dataType) const;
48 : };
49 :
50 : #endif
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