agunashe
64 строки
2.3 KiB
C++
64 строки
2.3 KiB
C++
/*
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Copyright (c) 2015 - 2021 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANNTY OF ANY KIND, EXPRESS OR
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IMPLIED, INNCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANNY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER INN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR INN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/*
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* Test for checking the functionality of
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* hipError_t hipDeviceSynchronize();
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*/
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#include "hip/hip_runtime.h"
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#include <iostream>
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#define _SIZE sizeof(int) * 1024 * 1024
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#define NUM_STREAMS 20
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#define ITER 1 << 10
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__global__ void Iter(hipLaunchParm lp, int* Ad, int num) {
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int tx = threadIdx.x + blockIdx.x * blockDim.x;
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if (tx == 0) {
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for (int i = 0; i < num; i++) {
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Ad[tx] += 1;
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}
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}
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}
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int main() {
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int* A[NUM_STREAMS];
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int* Ad[NUM_STREAMS];
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hipStream_t stream[NUM_STREAMS];
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for (int i = 0; i < NUM_STREAMS; i++) {
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hipHostMalloc((void**)&A[i], _SIZE, hipHostMallocDefault);
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A[i][0] = 1;
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hipMalloc((void**)&Ad[i], _SIZE);
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hipStreamCreate(&stream[i]);
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}
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for (int i = 0; i < NUM_STREAMS; i++) {
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for (int j = 0; j < ITER; j++) {
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std::cout << "Iter: " << j << std::endl;
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hipMemcpyAsync(Ad[i], A[i], _SIZE, hipMemcpyHostToDevice, stream[i]);
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hipLaunchKernel(HIP_KERNEL_NAME(Iter), dim3(1), dim3(1), 0, stream[i], Ad[i], 1 << 30);
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hipMemcpyAsync(A[i], Ad[i], _SIZE, hipMemcpyDeviceToHost, stream[i]);
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}
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}
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std::cout << "Waitin..." << std::endl;
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hipDeviceSynchronize();
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}
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