Aditya Atluri
3a1c8f9259
1. Added support for constant memory 2. Added test which uses memcpytosymbol for constant memory 3. Corrected code error on nvcc path Change-Id: I2ab69f516832bf7a037132ac81273ea6f5107401
60 строки
1.9 KiB
C++
60 строки
1.9 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<hip/hip_runtime.h>
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#include<hip/hip_runtime_api.h>
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#include<iostream>
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#define HIP_ASSERT(status) \
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assert(status == hipSuccess)
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#define LEN 512
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#define SIZE 2048
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__constant__ int Value[LEN];
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__global__ void Get(hipLaunchParm lp, int *Ad)
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{
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int tid = hipThreadIdx_x + hipBlockIdx_x * hipBlockDim_x;
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Ad[tid] = Value[tid];
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}
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int main()
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{
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int *A, *B, *Ad;
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A = new int[LEN];
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B = new int[LEN];
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for(unsigned i=0;i<LEN;i++)
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{
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A[i] = -1*i;
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B[i] = 0;
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}
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HIP_ASSERT(hipMalloc((void**)&Ad, SIZE));
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HIP_ASSERT(hipMemcpyToSymbol(HIP_SYMBOL(Value), A, SIZE, 0, hipMemcpyHostToDevice));
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hipLaunchKernel(Get, dim3(1,1,1), dim3(LEN,1,1), 0, 0, Ad);
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HIP_ASSERT(hipMemcpy(B, Ad, SIZE, hipMemcpyDeviceToHost));
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for(unsigned i=0;i<LEN;i++)
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{
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assert(A[i] == B[i]);
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}
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}
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