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_TEMP_REDUCE_SCATTER_NHR_1D_H_
12 : #define HCCLV2_CCU_TEMP_REDUCE_SCATTER_NHR_1D_H_
13 : #include "string_util.h"
14 : #include "env_config_v2.h"
15 : #include "ccu_alg_template_base.h"
16 : #include "ccu_instruction_reduce_scatter_nhr1d_mem2mem.h"
17 : #include "executor_utils.h"
18 :
19 : namespace Hccl {
20 : class CcuTempReduceScatterNHR1DMem2Mem : public CcuAlgTemplateBase {
21 : public:
22 : explicit CcuTempReduceScatterNHR1DMem2Mem(
23 : const RankId virtualRank, const u32 tempRankSize, const std::vector<std::vector<RankId>>& tempVTopo,
24 : const std::map<RankId, u32>& tempVirtRankMap);
25 : ~CcuTempReduceScatterNHR1DMem2Mem() override;
26 :
27 0 : std::string Describe() const override
28 : {
29 0 : return StringFormat("Template of Reduce Scatter ccu nhr 1D mem2mem with tempRankSize [%u].", tempRankSize_);
30 : }
31 :
32 : HcclResult GenExtIns(
33 : const TempFuncs& tempFuncs, TemplateDataParams& tempAlgParams, const ResLinks& tempLinks,
34 : std::vector<InsQuePtr>& tempInsQues);
35 : HcclResult CalcRes(AlgTempResReq& tempResReq) override;
36 : uint64_t GetMaxSliceSize() const;
37 : void InitReduceInfo(const ReduceOp& reduceOp, const DataType& dataType);
38 : u32 CalcScratchMultiple(BufferType inBuffType, BufferType outBuffType) override;
39 :
40 : private:
41 : HcclResult GetStepInfo(u32 step, NHRStepInfo& stepInfo);
42 : RankId GetRankFromMap(const u32 rankIdx);
43 : ReduceOp reduceOp_;
44 : DataType dataType_;
45 : bool isSipportTwoDie_{false};
46 : u32 linkNum_{1};
47 : };
48 :
49 : } // namespace Hccl
50 :
51 : #endif // HCCLV2_CCU_TEMP_REDUCE_SCATTER_NHR_1D_H_
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