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              : #include <numeric>
      12              : #include "mc2_handler.h"
      13              : 
      14              : namespace hccl {
      15              : 
      16            1 : Mc2HandlerPub::Mc2HandlerPub()
      17              : {
      18              :     // mc2TurnNum_ 用于提供turnNum的地址
      19            1 :     std::iota(mc2TurnNum_, mc2TurnNum_ + MC2_MAX_TURN * MC2_MAX_RANK_NUM, 0);
      20            1 : }
      21              : 
      22              : HcclResult
      23            3 : Mc2HandlerPub::Mc2WaitValue(HcclDispatcher dispatcherPtr, hccl::Stream& stream, Mc2Handler* mc2Handler, u32 step)
      24              : {
      25            3 :     if (mc2Handler == nullptr) {
      26            1 :         HCCL_INFO("[Mc2HandlerPub][Mc2WaitValue] mc2Handler is NULL.");
      27            1 :         return HCCL_SUCCESS;
      28            2 :     } else if (mc2Handler->repeatCnt < 1 || step >= mc2Handler->rankSize) {
      29              :         // repeatCnt 至少为1
      30              :         // step 校验 范围为[0, rankSize-1]
      31            1 :         HCCL_ERROR("[Mc2HandlerPub][Mc2WaitValue] error parameter, repeatCnt %u, step %u", mc2Handler->repeatCnt, step);
      32            1 :         return HCCL_E_PARA;
      33            1 :     } else if (mc2Handler->stepSize == 0 || (step + 1) % mc2Handler->stepSize != 0) {
      34            0 :         HCCL_INFO(
      35              :             "[Mc2HandlerPub][Mc2WaitValue] no need to add wait task, step %u, stepSize %u.", step,
      36              :             mc2Handler->stepSize);
      37            0 :         return HCCL_SUCCESS;
      38              :     }
      39              :     // 第 repeatCnt轮通信，turnNum范围为[(repeatCnt -1)*rankSize + 1, repeatCnt*rankSize]
      40              :     // 计算当前轮次的turnNum值
      41            1 :     u32 turnNum = (mc2Handler->repeatCnt - 1) * (mc2Handler->rankSize) + (step + 1);
      42            1 :     HCCL_INFO(
      43              :         "[Mc2HandlerPub][Mc2WaitValue] repeatCnt %u, rankSize %u, step %u, turnNum %u", mc2Handler->repeatCnt,
      44              :         mc2Handler->rankSize, step, turnNum);
      45            1 :     u64 valueAddr = mc2Handler->valueAddr + sizeof(uint32_t) * turnNum;
      46            1 :     CHK_RET(HcclDispatcherWaitValue(dispatcherPtr, stream, mc2Handler->commitAddr, valueAddr, false));
      47            1 :     return HCCL_SUCCESS;
      48              : }
      49              : 
      50            1 : HcclResult Mc2HandlerPub::Mc2WriteValue(HcclDispatcher dispatcherPtr, hccl::Stream& stream, Mc2Handler* mc2Handler)
      51              : {
      52            1 :     if (mc2Handler == nullptr) {
      53            1 :         HCCL_INFO("[Mc2HandlerPub][Mc2WriteValue] mc2Handler is NULL.");
      54            1 :         return HCCL_SUCCESS;
      55              :     }
      56            0 :     turnNumForWrite_++;
      57            0 :     u32 turnNum = (mc2Handler->repeatCnt - 1) * (mc2Handler->rankSize) + turnNumForWrite_;
      58            0 :     HCCL_INFO("[Mc2HandlerPub][Mc2WriteValue] turnNumForWrite %u, turnNum %u.", turnNumForWrite_, turnNum);
      59            0 :     u64 valueAddr = mc2Handler->valueAddr + sizeof(uint32_t) * turnNum;
      60            0 :     CHK_RET(HcclDispatcherWriteValue(dispatcherPtr, stream, mc2Handler->finishAddr, valueAddr));
      61            0 :     return HCCL_SUCCESS;
      62              : }
      63              : } // namespace hccl