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/*
-- MAGMA (version 2.9.0) --
Univ. of Tennessee, Knoxville
Univ. of California, Berkeley
Univ. of Colorado, Denver
@date January 2025
@generated from testing/testing_zgeadd.cpp, normal z -> d, Wed Jan 22 14:40:22 2025
@author Mark Gates
*/
// includes, system
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
// includes, project
#include "magma_v2.h"
#include "magma_lapack.h"
#include "magma_operators.h"
#include "testings.h"
/* ////////////////////////////////////////////////////////////////////////////
-- Testing dgeadd
*/
int main( int argc, char** argv)
{
#define h_A(i_, j_) (h_A + (i_) + (j_)*lda)
#define h_B(i_, j_) (h_B + (i_) + (j_)*lda) // B uses lda
TESTING_CHECK( magma_init() );
magma_print_environment();
real_Double_t gflops, gpu_perf, gpu_time, cpu_perf, cpu_time;
double Bnorm, error, work[1];
double *h_A, *h_B, *d_A, *d_B;
double alpha = MAGMA_D_MAKE( 3.1415, 2.71828 );
double beta = MAGMA_D_MAKE( 6.0221, 6.67408 );
double c_neg_one = MAGMA_D_NEG_ONE;
magma_int_t M, N, size, lda, ldda;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
int status = 0;
magma_opts opts;
opts.parse_opts( argc, argv );
double tol = opts.tolerance * lapackf77_dlamch("E");
/* Uncomment these lines to check parameters.
* magma_xerbla calls lapack's xerbla to print out error. */
//magmablas_dgeadd( -1, N, alpha, d_A, ldda, d_B, ldda, opts.queue );
//magmablas_dgeadd( M, -1, alpha, d_A, ldda, d_B, ldda, opts.queue );
//magmablas_dgeadd( M, N, alpha, d_A, M-1, d_B, ldda, opts.queue );
//magmablas_dgeadd( M, N, alpha, d_A, ldda, d_B, N-1, opts.queue );
printf("%% M N CPU Gflop/s (ms) GPU Gflop/s (ms) |Bl-Bm|/|Bl|\n");
printf("%%========================================================================\n");
for( int itest = 0; itest < opts.ntest; ++itest ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[itest];
N = opts.nsize[itest];
lda = M;
ldda = magma_roundup( M, opts.align ); // multiple of 32 by default
size = lda*N;
gflops = 2.*M*N / 1e9;
TESTING_CHECK( magma_dmalloc_cpu( &h_A, lda *N ));
TESTING_CHECK( magma_dmalloc_cpu( &h_B, lda *N ));
TESTING_CHECK( magma_dmalloc( &d_A, ldda*N ));
TESTING_CHECK( magma_dmalloc( &d_B, ldda*N ));
lapackf77_dlarnv( &ione, ISEED, &size, h_A );
lapackf77_dlarnv( &ione, ISEED, &size, h_B );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_dsetmatrix( M, N, h_A, lda, d_A, ldda, opts.queue );
magma_dsetmatrix( M, N, h_B, lda, d_B, ldda, opts.queue );
gpu_time = magma_sync_wtime( opts.queue );
if ( opts.version == 1 ) {
magmablas_dgeadd( M, N, alpha, d_A, ldda, d_B, ldda, opts.queue );
}
else {
magmablas_dgeadd2( M, N, alpha, d_A, ldda, beta, d_B, ldda, opts.queue );
}
gpu_time = magma_sync_wtime( opts.queue ) - gpu_time;
gpu_perf = gflops / gpu_time;
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
cpu_time = magma_wtime();
if ( opts.version == 1 ) {
for( int j = 0; j < N; ++j ) {
blasf77_daxpy( &M, &alpha, &h_A[j*lda], &ione, &h_B[j*lda], &ione );
}
}
else {
for( int j = 0; j < N; ++j ) {
// daxpby
for( int i=0; i < M; ++i ) {
*h_B(i,j) = alpha * (*h_A(i,j)) + beta * (*h_B(i,j));
}
}
}
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
/* =====================================================================
Check result
=================================================================== */
magma_dgetmatrix( M, N, d_B, ldda, h_A, lda, opts.queue );
blasf77_daxpy( &size, &c_neg_one, h_B, &ione, h_A, &ione );
Bnorm = lapackf77_dlange( "F", &M, &N, h_B, &lda, work );
error = lapackf77_dlange( "F", &M, &N, h_A, &lda, work ) / Bnorm;
printf("%5lld %5lld %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %s\n",
(long long) M, (long long) N,
cpu_perf, cpu_time*1000., gpu_perf, gpu_time*1000.,
error, (error < tol ? "ok" : "failed"));
status += ! (error < tol);
magma_free_cpu( h_A );
magma_free_cpu( h_B );
magma_free( d_A );
magma_free( d_B );
fflush( stdout );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
opts.cleanup();
TESTING_CHECK( magma_finalize() );
return status;
}
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