Maneesh Gupta
02bedf46dc
Change-Id: Ib851e4d86ba9c8406ca37b88162ea483ccbc9d36
[ROCm/hip commit: cebb070d30]
88 lines
2.8 KiB
C++
88 lines
2.8 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
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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 "hip/hip_runtime.h"
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#include "test_common.h"
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#ifdef __HIP_PLATFORM_HCC__
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#define HIPRT_CB
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#endif
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__global__ void vector_square(float *C_d, float *A_d, size_t N)
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{
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size_t offset = (blockIdx.x * blockDim.x + threadIdx.x);
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size_t stride = blockDim.x * gridDim.x ;
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for (size_t i=offset; i<N; i+=stride) {
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C_d[i] = A_d[i] * A_d[i];
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}
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}
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float *A_h, *C_h;
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size_t N = 1000000;
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static void HIPRT_CB Callback(hipStream_t stream, hipError_t status, void *userData)
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{
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for (size_t i=0; i<N; i++) {
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if (C_h[i] != A_h[i] * A_h[i]) {
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HIPCHECK(hipErrorUnknown);
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}
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}
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printf ("PASSED!\n");
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}
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int main(int argc, char *argv[])
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{
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float *A_d, *C_d;
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size_t Nbytes = N * sizeof(float);
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A_h = (float*)malloc(Nbytes);
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HIPCHECK(A_h == 0 ? hipErrorMemoryAllocation : hipSuccess );
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C_h = (float*)malloc(Nbytes);
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HIPCHECK(C_h == 0 ? hipErrorMemoryAllocation : hipSuccess );
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// Fill with Phi + i
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for (size_t i=0; i<N; i++)
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{
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A_h[i] = 1.618f + i;
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}
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HIPCHECK(hipMalloc(&A_d, Nbytes));
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HIPCHECK(hipMalloc(&C_d, Nbytes));
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hipStream_t mystream;
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HIPCHECK(hipStreamCreateWithFlags(&mystream, hipStreamNonBlocking));
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HIPCHECK(hipMemcpyAsync(A_d, A_h, Nbytes, hipMemcpyHostToDevice, mystream));
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const unsigned blocks = 512;
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const unsigned threadsPerBlock = 256;
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hipLaunchKernelGGL((vector_square), dim3(blocks), dim3(threadsPerBlock), 0, mystream, C_d, A_d, N);
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HIPCHECK(hipMemcpyAsync(C_h, C_d, Nbytes, hipMemcpyDeviceToHost, mystream));
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HIPCHECK(hipStreamAddCallback(mystream, Callback, NULL, 0));
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}
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