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// RUN: %run_test hipify "%s" "%t" %hipify_args %clang_args
// CHECK: #include <hip/hip_runtime.h>
#include <math.h>
__global__
void add(int n, float *x, float *y)
{
int index = blockIdx.x * blockDim.x + threadIdx.x;
int stride = blockDim.x * gridDim.x;
for (int i = index; i < n; i += stride)
y[i] = x[i] + y[i];
}
int main(int argc, char *argv[])
{
int numElements = 10;
bool testResult = true;
float *A, *B;
// CHECK: hipMallocManaged(&A, numElements * sizeof(float));
cudaMallocManaged(&A, numElements * sizeof(float));
// CHECK: hipMallocManaged(&B, numElements * sizeof(float));
cudaMallocManaged(&B, numElements * sizeof(float));
for (int i = 0; i < numElements; i++) {
A[i] = 1.0f;
B[i] = 2.0f;
}
int blockSize = 256;
int numBlocks = (numElements + blockSize - 1) / blockSize;
dim3 dimGrid(numBlocks, 1, 1);
dim3 dimBlock(blockSize, 1, 1);
// CHECK: add<<<dimGrid, dimBlock>>>(numElements, A, B);
add<<<dimGrid, dimBlock>>>(numElements, A, B);
// CHECK: hipDeviceSynchronize();
cudaDeviceSynchronize();
float maxError = 0.0f;
for (int i = 0; i < numElements; i++)
maxError = fmax(maxError, fabs(B[i]-3.0f));
// CHECK: hipFree(A);
cudaFree(A);
// CHECK: hipFree(B);
cudaFree(B);
if(maxError == 0.0f)
return 0;
return -1;
}
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