Maneesh Gupta
101 строка
3.6 KiB
C++
101 строка
3.6 KiB
C++
/*
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Copyright (c) 2015-2016 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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/* HIT_START
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* BUILD: %t %s ../test_common.cpp NVCC_OPTIONS --Wno-deprecated-declarations
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* RUN: %t
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* HIT_END
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*/
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#include <stdio.h>
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#include <iostream>
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#include <hip/hip_runtime.h>
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#include <hip/device_functions.h>
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#define HIP_ASSERT(x) (assert((x) == hipSuccess))
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__global__ void warpvote(int* device_any, int* device_all,
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int Num_Warps_per_Block, int pshift) {
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int tid = threadIdx.x + blockIdx.x * blockDim.x;
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device_any[threadIdx.x >> pshift] = __any(tid - 77);
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device_all[threadIdx.x >> pshift] = __all(tid - 77);
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}
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int main(int argc, char* argv[]) {
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int warpSize, pshift;
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hipDeviceProp_t devProp;
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hipGetDeviceProperties(&devProp, 0);
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warpSize = devProp.warpSize;
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int w = warpSize;
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pshift = 0;
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while (w >>= 1) ++pshift;
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printf("warpSize=%d pshift=%d\n", warpSize, pshift);
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int anycount = 0;
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int allcount = 0;
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int Num_Threads_per_Block = 1024;
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int Num_Blocks_per_Grid = 1;
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int Num_Warps_per_Block = Num_Threads_per_Block / warpSize;
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int Num_Warps_per_Grid = (Num_Threads_per_Block * Num_Blocks_per_Grid) / warpSize;
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int* host_any = (int*)malloc(Num_Warps_per_Grid * sizeof(int));
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int* host_all = (int*)malloc(Num_Warps_per_Grid * sizeof(int));
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int* device_any;
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int* device_all;
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HIP_ASSERT(hipMalloc((void**)&device_any, Num_Warps_per_Grid * sizeof(int)));
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HIP_ASSERT(hipMalloc((void**)&device_all, Num_Warps_per_Grid * sizeof(int)));
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for (int i = 0; i < Num_Warps_per_Grid; i++) {
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host_any[i] = 0;
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host_all[i] = 0;
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}
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HIP_ASSERT(hipMemcpy(device_any, host_any, sizeof(int), hipMemcpyHostToDevice));
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HIP_ASSERT(hipMemcpy(device_all, host_all, sizeof(int), hipMemcpyHostToDevice));
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hipLaunchKernelGGL(warpvote, dim3(Num_Blocks_per_Grid), dim3(Num_Threads_per_Block), 0, 0,
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device_any, device_all, Num_Warps_per_Block, pshift);
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HIP_ASSERT(
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hipMemcpy(host_any, device_any, Num_Warps_per_Grid * sizeof(int), hipMemcpyDeviceToHost));
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HIP_ASSERT(
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hipMemcpy(host_all, device_all, Num_Warps_per_Grid * sizeof(int), hipMemcpyDeviceToHost));
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for (int i = 0; i < Num_Warps_per_Grid; i++) {
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printf("warp no. %d __any = %d \n", i, host_any[i]);
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printf("warp no. %d __all = %d \n", i, host_all[i]);
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if (host_all[i] != 1) ++allcount;
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if (host_any[i] != 1) ++anycount;
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}
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if (anycount == 0 && allcount == 1)
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printf("PASSED\n");
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else {
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printf("FAILED\n");
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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