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// Copyright (c) 2017-2023, University of Tennessee. All rights reserved.
// SPDX-License-Identifier: BSD-3-Clause
// This program is free software: you can redistribute it and/or modify it under
// the terms of the BSD 3-Clause license. See the accompanying LICENSE file.
#ifndef __HIP_PLATFORM_HCC__
#define __HIP_PLATFORM_HCC__
#endif
#include <hip/hip_runtime.h>
// Headers moved in ROCm 5.2
#if HIP_VERSION >= 50200000
#include <rocblas/rocblas.h>
#else
#include <rocblas.h>
#endif
#include <stdexcept>
#include <cassert>
#include <cstdio>
//------------------------------------------------------------------------------
void error_check_( hipError_t err, const char* file, int line )
{
if (err != hipSuccess) {
printf( "HIP error %d: %s at %s:%d\n",
err, hipGetErrorString(err), file, line );
exit(1);
}
}
//------------------------------------------------------------------------------
void error_check_( rocblas_status err, const char* file, int line )
{
if (err != rocblas_status_success) {
printf( "rocblas error %d: %s at %s:%d\n",
err, rocblas_status_to_string(err), file, line );
exit(1);
}
}
#define error_check( err ) \
error_check_( (err), __FILE__, __LINE__ )
//------------------------------------------------------------------------------
int main()
{
double alpha = 2, beta = 3;
int n = 2;
double A[] = { 1, 2, 3, 4 };
double B[] = { 5, 4, 3, 2 };
double C[] = { 2, 3, 1, 0 };
double D[] = { 40, 61, 21, 28 };
hipError_t err = hipSetDevice( 0 );
if (err != hipSuccess) {
printf( "hipSetDevice failed: %s (%d).\n"
"Cannot run on GPU; skipping test.\n",
hipGetErrorString(err), err );
return 0;
}
double *dA, *dB, *dC;
error_check(
hipMalloc( &dA, n*n*sizeof(double) ) );
error_check(
hipMalloc( &dB, n*n*sizeof(double) ) );
error_check(
hipMalloc( &dC, n*n*sizeof(double) ) );
assert( dA != nullptr );
assert( dB != nullptr );
assert( dC != nullptr );
// dA = A, dB = B, dC = c
error_check(
hipMemcpy( dA, A, n*n*sizeof(double), hipMemcpyDefault ) );
error_check(
hipMemcpy( dB, B, n*n*sizeof(double), hipMemcpyDefault ) );
error_check(
hipMemcpy( dC, C, n*n*sizeof(double), hipMemcpyDefault ) );
// C = alpha A B + beta C
rocblas_handle handle;
error_check(
rocblas_create_handle( &handle ) );
error_check(
rocblas_dgemm( handle, rocblas_operation_none, rocblas_operation_none,
n, n, n,
&alpha, dA, n, dB, n, &beta, dC, n ) );
error_check(
rocblas_destroy_handle( handle ) );
// C = dC
error_check(
hipMemcpy( C, dC, n*n*sizeof(double), hipMemcpyDefault ) );
error_check(
hipFree( dA ) );
error_check(
hipFree( dB ) );
error_check(
hipFree( dC ) );
// verify C == D
double result = 0;
for (int i = 0; i < n*n; ++i) {
printf( "C[%d] = %.2f, D = %.2f\n", i, C[i], D[i] );
result += std::abs( D[i] - C[i] );
}
bool okay = (result == 0);
printf( "%s\n", okay ? "ok" : "failed" );
return ! okay;
}
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