/**

 * Copyright (c) 2025 Huawei Technologies Co., Ltd.

 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of

 * CANN Open Software License Agreement Version 2.0 (the "License").

 * Please refer to the License for details. You may not use this file except in compliance with the License.

 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,

 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.

 * See LICENSE in the root of the software repository for the full text of the License.

 */



#include <iostream>

#include "utils.h"

#include "acl/acl.h"



using namespace std;



// 核函数，让x自增1

extern void EasyOP(uint32_t coreDim, void *stream, uint32_t* x);



int main()

{

    // 初始化

    const int count = 3000;

    int32_t deviceId = 0;

    uint32_t blockDim = 1;

    uint32_t num = 0;

    uint32_t *numDevice = nullptr;

    size_t size = sizeof(uint32_t);

    aclrtStream stream = nullptr;

    aclrtStreamStatus streamStatus;

    aclrtContext context;

    CHECK_ERROR(aclInit(nullptr));

    // 申请设备

    CHECK_ERROR(aclrtSetDevice(deviceId));

    CHECK_ERROR(aclrtCreateContext(&context, deviceId));

    INFO_LOG("Use default stream assigning task.");



    // 默认流下发任务,默认流随着context创建而创建，给函数传入空即使用默认流

    CHECK_ERROR(aclrtMalloc((void**)&numDevice, size, ACL_MEM_MALLOC_HUGE_FIRST));

    CHECK_ERROR(aclrtMemcpy(numDevice, size, &num, size, ACL_MEMCPY_HOST_TO_DEVICE));

    INFO_LOG("Applied resource successfully, beging assigning task.");

    EasyOP(blockDim, nullptr, numDevice);

    CHECK_ERROR(aclrtSynchronizeStream(nullptr));

    CHECK_ERROR(aclrtMemcpy(&num, size, numDevice, size, ACL_MEMCPY_DEVICE_TO_HOST));

    INFO_LOG("After assigning the task through the default stream, the current result is: %d.", num);



    // 创建流下发任务，可以显示地创建流进行下发任务

    INFO_LOG("Use created stream assigning task.");

    CHECK_ERROR(aclrtCreateStream(&stream));



    // 默认为遇错继续执行，调用该函数设置为遇错即停，当一个任务执行遇到错误，后续任务将不进行

    CHECK_ERROR(aclrtSetStreamFailureMode(stream, ACL_STOP_ON_FAILURE));

    EasyOP(blockDim, stream, numDevice);

    CHECK_ERROR(aclrtSynchronizeStream(stream));

    CHECK_ERROR(aclrtMemcpy(&num, size, numDevice, size, ACL_MEMCPY_DEVICE_TO_HOST));

    INFO_LOG("After assigning the task through the created stream, the current result is: %d.", num);

    

    INFO_LOG("Begin 3000 task.");

    // 循环下发任务并检查下发状态

    for (int i = 0; i < count; i++) {

        // 同一个流中下发任务是顺序执行的，所以不需要没下发一个任务就同步

        EasyOP(blockDim, stream, numDevice);

    }



    // 查询stream任务下发是否完成

    CHECK_ERROR(aclrtSynchronizeStream(stream));

    CHECK_ERROR(aclrtStreamQuery(stream, &streamStatus));

    INFO_LOG("After synchronize, stream status is: %d.", streamStatus);

    CHECK_ERROR(aclrtMemcpy(&num, size, numDevice, size, ACL_MEMCPY_DEVICE_TO_HOST));

    INFO_LOG("After loop, the current result is: %d.", num);



    // 释放资源

    CHECK_ERROR(aclrtFree(numDevice));

    CHECK_ERROR(aclrtDestroyStreamForce(stream));

    CHECK_ERROR(aclrtDestroyContext(context));

    CHECK_ERROR(aclrtResetDeviceForce(deviceId));

    aclFinalize();

    INFO_LOG("Resource cleanup completed.");

}