streamhsa
89 satır
3.2 KiB
C++
89 satır
3.2 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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#include <stdio.h>
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#include <iostream>
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#include <hip_runtime.h>
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#define HIP_ASSERT(x) (assert((x)==hipSuccess))
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__global__ void
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warpvote(hipLaunchParm lp, int* device_any, int* device_all , int Num_Warps_per_Block, int pshift)
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{
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int tid = hipThreadIdx_x + hipBlockIdx_x * hipBlockDim_x;
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device_any[hipThreadIdx_x>>pshift] = __any(tid -77);
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device_all[hipThreadIdx_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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hipDeviceGetProperties(&devProp, 0);
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if(strncmp(devProp.name,"Fiji",1)==0)
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{ warpSize =64;
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pshift =6;
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}
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else {warpSize =32; pshift=5;}
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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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{
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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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hipLaunchKernel(warpvote, dim3(Num_Blocks_per_Grid),dim3(Num_Threads_per_Block),0,0, device_any, device_all ,Num_Warps_per_Block,pshift);
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HIP_ASSERT(hipMemcpy(host_any, device_any, Num_Warps_per_Grid*sizeof(int), hipMemcpyDeviceToHost));
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HIP_ASSERT(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_any[i]!=1) ++anycount;
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if (host_all[i]!=1) ++allcount;
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}
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if (anycount == 0 && allcount ==1) printf("PASSED\n"); else printf("FAILED\n");
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return EXIT_SUCCESS;
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}
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