Alex Voicu
64 γραμμές
2.1 KiB
C
64 γραμμές
2.1 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 "gHipApi.h"
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#include "hip/hip_runtime.h"
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#define LEN 1024*1024
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#define SIZE LEN * sizeof(float)
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__global__ void Add(hipLaunchParm lp, float *Ad, float *Bd, float *Cd, size_t len)
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{
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int tx = threadIdx.x + blockIdx.x * blockDim.x;
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if(tx < len)
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{
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Cd[tx] = Ad[tx] + Bd[tx];
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}
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}
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int main()
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{
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mem_manager *a, *b, *c;
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a = mem_manager_start(SIZE);
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b = mem_manager_start(SIZE);
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c = mem_manager_start(SIZE);
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a->malloc_hst(a);
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b->malloc_hst(b);
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c->malloc_hst(c);
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a->malloc_hip(a);
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b->malloc_hip(b);
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c->malloc_hip(c);
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memset_hst(a, 1.0f);
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memset_hst(b, 2.0f);
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a->h2d(a);
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b->h2d(b);
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dim3 dimGrid, dimBlock;
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dimBlock.x = 1024, dimBlock.y = 1, dimBlock.z = 1;
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dimGrid.x = LEN/1024, dimGrid.y = 1, dimGrid.z = 1;
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hipLaunchKernel(HIP_KERNEL_NAME(Add), dimGrid, dimBlock, 0, 0, (float*)a->dev_ptr, (float*)b->dev_ptr, (float*)c->dev_ptr, LEN);
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c->d2h(c);
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assert(((float*)c->hst_ptr)[10] == 3.0f);
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}
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