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/* ************************************************************************
* Copyright (C) 2016-2024 Advanced Micro Devices, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* ************************************************************************ */
#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include "hipblas_init.hpp"
#include "utility.h"
#include <hipblas/hipblas.h>
#ifndef CHECK_HIP_ERROR
#define CHECK_HIP_ERROR(error) \
if(error != hipSuccess) \
{ \
fprintf(stderr, \
"Hip error: '%s'(%d) at %s:%d\n", \
hipGetErrorString(error), \
error, \
__FILE__, \
__LINE__); \
exit(EXIT_FAILURE); \
}
#endif
#ifndef CHECK_HIPBLAS_ERROR
#define CHECK_HIPBLAS_ERROR(error) \
if(error != HIPBLAS_STATUS_SUCCESS) \
{ \
fprintf(stderr, "hipBLAS error: "); \
if(error == HIPBLAS_STATUS_NOT_INITIALIZED) \
fprintf(stderr, "HIPBLAS_STATUS_NOT_INITIALIZED"); \
if(error == HIPBLAS_STATUS_ALLOC_FAILED) \
fprintf(stderr, "HIPBLAS_STATUS_ALLOC_FAILED"); \
if(error == HIPBLAS_STATUS_INVALID_VALUE) \
fprintf(stderr, "HIPBLAS_STATUS_INVALID_VALUE"); \
if(error == HIPBLAS_STATUS_MAPPING_ERROR) \
fprintf(stderr, "HIPBLAS_STATUS_MAPPING_ERROR"); \
if(error == HIPBLAS_STATUS_EXECUTION_FAILED) \
fprintf(stderr, "HIPBLAS_STATUS_EXECUTION_FAILED"); \
if(error == HIPBLAS_STATUS_INTERNAL_ERROR) \
fprintf(stderr, "HIPBLAS_STATUS_INTERNAL_ERROR"); \
if(error == HIPBLAS_STATUS_NOT_SUPPORTED) \
fprintf(stderr, "HIPBLAS_STATUS_NOT_SUPPORTED"); \
if(error == HIPBLAS_STATUS_INVALID_ENUM) \
fprintf(stderr, "HIPBLAS_STATUS_INVALID_ENUM"); \
if(error == HIPBLAS_STATUS_UNKNOWN) \
fprintf(stderr, "HIPBLAS_STATUS_UNKNOWN"); \
fprintf(stderr, "\n"); \
exit(EXIT_FAILURE); \
}
#endif
/* ============================================================================================ */
int main()
{
int N = 10240;
hipblasStatus_t status;
float alpha = 10.0;
// Naming: dX is in GPU (device) memory. hK is in CPU (host) memory, plz follow this practice
std::vector<float> hx(N);
float* dx;
double gpu_time_used;
hipblasHandle_t handle;
hipblasCreate(&handle);
// allocate memory on device
CHECK_HIP_ERROR(hipMalloc(&dx, N * sizeof(float)));
// Initial Data on CPU
srand(1);
hipblas_init<float>(hx.data(), 1, N, 1);
// copy vector is easy in STL; hz(hx): save a copy in hz which will be output of CPU BLAS
std::vector<float> hz(hx);
CHECK_HIP_ERROR(hipMemcpy(dx, hx.data(), sizeof(float) * N, hipMemcpyHostToDevice));
printf("N hipblas(us) \n");
gpu_time_used = get_time_us(); // in microseconds
/* =====================================================================
ROCBLAS C interface
=================================================================== */
status = hipblasSscal(handle, N, &alpha, dx, 1);
if(status != HIPBLAS_STATUS_SUCCESS)
{
CHECK_HIP_ERROR(hipFree(dx));
hipblasDestroy(handle);
return status;
}
gpu_time_used = get_time_us() - gpu_time_used;
// copy output from device to CPU
CHECK_HIP_ERROR(hipMemcpy(hx.data(), dx, sizeof(float) * N, hipMemcpyDeviceToHost));
// verify hipblas_scal result
bool error_in_element = false;
for(int i = 0; i < N; i++)
{
if(hz[i] * alpha != hx[i])
{
printf("error in element %d: CPU=%f, GPU=%f ", i, hz[i] * alpha, hx[i]);
error_in_element = true;
break;
}
}
printf("%d %8.2f \n", (int)N, gpu_time_used);
if(error_in_element)
{
printf("SSCAL TEST FAILS\n");
}
else
{
printf("SSCAL TEST PASSES\n");
}
CHECK_HIP_ERROR(hipFree(dx));
hipblasDestroy(handle);
return EXIT_SUCCESS;
}
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