ROCm CI Service Account
140 строки
4.8 KiB
C++
140 строки
4.8 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 WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN 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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#include <iostream>
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#include <hip/hip_runtime.h>
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#include "hip_helper.h"
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#define WIDTH 32
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#define NUM (WIDTH * WIDTH)
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#define THREADS_PER_BLOCK_X 4
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#define THREADS_PER_BLOCK_Y 4
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#define THREADS_PER_BLOCK_Z 1
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using namespace std;
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__global__ void matrixTranspose_static_shared(float* out, float* in,
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const int width) {
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__shared__ float sharedMem[WIDTH * WIDTH];
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int x = blockDim.x * blockIdx.x + threadIdx.x;
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int y = blockDim.y * blockIdx.y + threadIdx.y;
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sharedMem[y * width + x] = in[x * width + y];
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__syncthreads();
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out[y * width + x] = sharedMem[y * width + x];
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}
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__global__ void matrixTranspose_dynamic_shared(float* out, float* in,
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const int width) {
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extern __shared__ float sharedMem[];
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int x = blockDim.x * blockIdx.x + threadIdx.x;
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int y = blockDim.y * blockIdx.y + threadIdx.y;
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sharedMem[y * width + x] = in[x * width + y];
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__syncthreads();
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out[y * width + x] = sharedMem[y * width + x];
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}
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void MultipleStream(float** data, float* randArray, float** gpuTransposeMatrix,
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float** TransposeMatrix, int width) {
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const int num_streams = 2;
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hipStream_t streams[num_streams];
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for (int i = 0; i < num_streams; i++) checkHipErrors(hipStreamCreate(&streams[i]));
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for (int i = 0; i < num_streams; i++) {
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checkHipErrors(hipMalloc((void**)&data[i], NUM * sizeof(float)));
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checkHipErrors(hipMemcpyAsync(data[i], randArray, NUM * sizeof(float), hipMemcpyHostToDevice, streams[i]));
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}
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hipLaunchKernelGGL(matrixTranspose_static_shared,
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dim3(WIDTH / THREADS_PER_BLOCK_X, WIDTH / THREADS_PER_BLOCK_Y),
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dim3(THREADS_PER_BLOCK_X, THREADS_PER_BLOCK_Y), 0, streams[0],
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gpuTransposeMatrix[0], data[0], width);
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hipLaunchKernelGGL(matrixTranspose_dynamic_shared,
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dim3(WIDTH / THREADS_PER_BLOCK_X, WIDTH / THREADS_PER_BLOCK_Y),
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dim3(THREADS_PER_BLOCK_X, THREADS_PER_BLOCK_Y), sizeof(float) * WIDTH * WIDTH,
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streams[1], gpuTransposeMatrix[1], data[1], width);
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for (int i = 0; i < num_streams; i++)
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checkHipErrors(hipMemcpyAsync(TransposeMatrix[i], gpuTransposeMatrix[i], NUM * sizeof(float),
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hipMemcpyDeviceToHost, streams[i]));
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}
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int main() {
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checkHipErrors(hipSetDevice(0));
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float *data[2], *TransposeMatrix[2], *gpuTransposeMatrix[2], *randArray;
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int width = WIDTH;
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randArray = (float*)malloc(NUM * sizeof(float));
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TransposeMatrix[0] = (float*)malloc(NUM * sizeof(float));
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TransposeMatrix[1] = (float*)malloc(NUM * sizeof(float));
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checkHipErrors(hipMalloc((void**)&gpuTransposeMatrix[0], NUM * sizeof(float)));
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checkHipErrors(hipMalloc((void**)&gpuTransposeMatrix[1], NUM * sizeof(float)));
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for (int i = 0; i < NUM; i++) {
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randArray[i] = (float)i * 1.0f;
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}
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MultipleStream(data, randArray, gpuTransposeMatrix, TransposeMatrix, width);
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checkHipErrors(hipDeviceSynchronize());
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// verify the results
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int errors = 0;
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double eps = 1.0E-6;
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for (int i = 0; i < NUM; i++) {
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if (std::abs(TransposeMatrix[0][i] - TransposeMatrix[1][i]) > eps) {
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printf("%d stream0: %f stream1 %f\n", i, TransposeMatrix[0][i], TransposeMatrix[1][i]);
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errors++;
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}
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}
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if (errors != 0) {
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printf("FAILED: %d errors\n", errors);
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} else {
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printf("stream PASSED!\n");
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}
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free(randArray);
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for (int i = 0; i < 2; i++) {
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checkHipErrors(hipFree(data[i]));
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checkHipErrors(hipFree(gpuTransposeMatrix[i]));
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free(TransposeMatrix[i]);
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}
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checkHipErrors(hipDeviceReset());
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return 0;
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}
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