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/*
-- MAGMA (version 2.9.0) --
Univ. of Tennessee, Knoxville
Univ. of California, Berkeley
Univ. of Colorado, Denver
@date January 2025
@precisions normal z -> c d s
@author Stan Tomov
*/
// 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 zgeadd
*/
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_)*ldb)
#define h_C(i_, j_) (h_C + (i_) + (j_)*ldc)
TESTING_CHECK( magma_init() );
magma_print_environment();
real_Double_t gbytes, gpu_perf, gpu_time, cpu_perf, cpu_time;
double error, work[1];
magmaDoubleComplex *h_A, *h_B, *h_C, *d_A, *d_B, *d_C;
magmaDoubleComplex alpha = MAGMA_Z_MAKE( 3.1415, 2.71828 );
magmaDoubleComplex beta = MAGMA_Z_MAKE( 6.0221, 6.67408 );
magmaDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magma_int_t M, N, size;
magma_int_t Am, An, Bm, Bn;
magma_int_t lda, ldb, ldc, ldda, lddb, lddc;
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");
printf("%% transA = %s, transB = %s\n",
lapack_trans_const(opts.transA),
lapack_trans_const(opts.transB) );
printf("%% M N CPU GB/s (ms) GPU GB/s (ms) |R|/a|A|+b|B|\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];
if ( opts.transA == MagmaNoTrans ) {
lda = Am = M;
An = N;
} else {
lda = Am = N;
An = M;
}
if ( opts.transB == MagmaNoTrans ) {
ldb = Bm = M;
Bn = N;
} else {
ldb = Bm = N;
Bn = M;
}
ldc = M;
ldda = magma_roundup( lda, opts.align ); // multiple of 32 by default
lddb = magma_roundup( ldb, opts.align ); // multiple of 32 by default
lddc = magma_roundup( ldc, opts.align ); // multiple of 32 by default
size = M*N;
gbytes = 3.*sizeof(magmaDoubleComplex)*M*N / 1e9;
TESTING_CHECK( magma_zmalloc_cpu( &h_A, lda *An ));
TESTING_CHECK( magma_zmalloc_cpu( &h_B, ldb *Bn ));
TESTING_CHECK( magma_zmalloc_cpu( &h_C, ldc * N ));
TESTING_CHECK( magma_zmalloc( &d_A, ldda*An ));
TESTING_CHECK( magma_zmalloc( &d_B, lddb*Bn ));
TESTING_CHECK( magma_zmalloc( &d_C, lddc*N ));
lapackf77_zlarnv( &ione, ISEED, &size, h_A );
lapackf77_zlarnv( &ione, ISEED, &size, h_B );
// for error checks
double Anorm = lapackf77_zlange( "F", &Am, &An, h_A, &lda, work );
double Bnorm = lapackf77_zlange( "F", &Bm, &Bn, h_B, &ldb, work );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_zsetmatrix( Am, An, h_A, lda, d_A, ldda, opts.queue );
magma_zsetmatrix( Bm, Bn, h_B, ldb, d_B, lddb, opts.queue );
gpu_time = magma_sync_wtime( opts.queue );
magmablas_zgeam( opts.transA, opts.transB, M, N,
alpha, d_A, ldda,
beta , d_B, lddb,
d_C, lddc, opts.queue );
/*
cublasZgeam(opts.handle,
cublas_trans_const(opts.transA), cublas_trans_const(opts.transB),
M, N,
&alpha, d_A, ldda,
&beta , d_B, lddb,
d_C, lddc);
*/
gpu_time = magma_sync_wtime( opts.queue ) - gpu_time;
gpu_perf = gbytes / gpu_time;
/* =====================================================================
Performs operation on the CPU
=================================================================== */
cpu_time = magma_wtime();
if ( opts.transA == MagmaNoTrans && opts.transB == MagmaNoTrans )
for( int j = 0; j < N; ++j ) {
for( int i=0; i < M; ++i ) {
*h_C(i,j) = alpha * (*h_A(i,j)) + beta * (*h_B(i,j));
}
}
else if (opts.transA == MagmaNoTrans)
for( int j = 0; j < N; ++j ) {
for( int i=0; i < M; ++i ) {
*h_C(i,j) = alpha * (*h_A(i,j)) + beta * (*h_B(j,i));
}
}
else if (opts.transB == MagmaNoTrans)
for( int j = 0; j < N; ++j ) {
for( int i=0; i < M; ++i ) {
*h_C(i,j) = alpha * (*h_A(j,i)) + beta * (*h_B(i,j));
}
}
else
for( int j = 0; j < N; ++j ) {
for( int i=0; i < M; ++i ) {
*h_C(i,j) = alpha * (*h_A(j,i)) + beta * (*h_B(j,i));
}
}
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gbytes / cpu_time;
/* =====================================================================
Check result
=================================================================== */
magma_zgetmatrix( M, N, d_C, lddc, h_A, M, opts.queue );
blasf77_zaxpy( &size, &c_neg_one, h_C, &ione, h_A, &ione );
error = lapackf77_zlange( "F", &M, &N, h_A, &M, work )/ (fabs(alpha)*Anorm+fabs(beta)*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_cpu( h_C );
magma_free( d_A );
magma_free( d_B );
magma_free( d_C );
fflush( stdout );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
opts.cleanup();
TESTING_CHECK( magma_finalize() );
return status;
}
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