Aditya Atluri
dc1042ce6d
1. Added feature for __threadfence and __threadfence_block 2. Added feature for using LLVM IR files directly while compilation 3. Added test for threadfence and threadfence_block Change-Id: Ib7e5d89b4cca1a135952b317e5809cd05b56a3c9
70 строки
2.5 KiB
C++
70 строки
2.5 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<iostream>
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#include<hip/hip_runtime_api.h>
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#include<hip/hip_runtime.h>
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#define NUM 1024
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#define SIZE NUM*sizeof(float)
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__global__ void vAdd(hipLaunchParm lp, float *In1, float *In2, float *In3, float *In4, float *Out)
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{
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int tid = hipThreadIdx_x + hipBlockIdx_x * hipBlockDim_x;
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In4[tid] = In1[tid] + In2[tid];
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__threadfence();
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In3[tid] = In3[tid] + In4[tid];
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__threadfence_block();
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Out[tid] = In4[tid] + In3[tid];
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}
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int main(){
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float *In1 = new float[1024];
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float *In2 = new float[1024];
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float *In3 = new float[1024];
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float *In4 = new float[1024];
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float *Out = new float[1024];
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for(uint32_t i=0;i<1024;i++)
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{
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In1[i] = 1.0f;
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In2[i] = 1.0f;
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In3[i] = 1.0f;
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In4[i] = 1.0f;
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}
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float *In1d, *In2d, *In3d, *In4d, *Outd;
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hipMalloc((void**)&In1d, SIZE);
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hipMalloc((void**)&In2d, SIZE);
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hipMalloc((void**)&In3d, SIZE);
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hipMalloc((void**)&In4d, SIZE);
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hipMalloc((void**)&Outd, SIZE);
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hipMemcpy(In1d, In1, SIZE, hipMemcpyHostToDevice);
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hipMemcpy(In2d, In2, SIZE, hipMemcpyHostToDevice);
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hipMemcpy(In3d, In3, SIZE, hipMemcpyHostToDevice);
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hipMemcpy(In4d, In4, SIZE, hipMemcpyHostToDevice);
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hipLaunchKernel(vAdd, dim3(32,1,1), dim3(32,1,1), 0, 0, In1d, In2d, In3d, In4d, Outd);
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hipMemcpy(Out, Outd, SIZE, hipMemcpyDeviceToHost);
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assert(Out[10] == 2*In1[10] + 2*In2[10] + In3[10]);
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}
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