/* ////////////////////////////////////////////////////////////////////////////
-- Testing zgehrd
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, gpu_perf, gpu_time, cpu_perf, cpu_time;
magmaDoubleComplex *h_A, *h_R, *h_Q, *h_work, *tau, *twork;
magmaDoubleComplex_ptr dT;
#if defined(PRECISION_z) || defined(PRECISION_c)
double *rwork;
#endif
double eps, result[2];
magma_int_t N, n2, lda, nb, lwork, ltwork, info;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_int_t status = 0;
eps = lapackf77_dlamch( "E" );
magma_opts opts;
parse_opts( argc, argv, &opts );
double tol = opts.tolerance * lapackf77_dlamch("E");
printf(" N CPU GFlop/s (sec) GPU GFlop/s (sec) |A-QHQ'|/N|A| |I-QQ'|/N\n");
printf("=========================================================================\n");
for( int itest = 0; itest < opts.ntest; ++itest ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
N = opts.nsize[itest];
lda = N;
n2 = lda*N;
nb = magma_get_zgehrd_nb(N);
/* We suppose the magma nb is bigger than lapack nb */
lwork = N*nb;
gflops = FLOPS_ZGEHRD( N ) / 1e9;
TESTING_MALLOC_CPU( h_A, magmaDoubleComplex, n2 );
TESTING_MALLOC_CPU( tau, magmaDoubleComplex, N );
TESTING_MALLOC_PIN( h_R, magmaDoubleComplex, n2 );
TESTING_MALLOC_PIN( h_work, magmaDoubleComplex, lwork );
TESTING_MALLOC_DEV( dT, magmaDoubleComplex, nb*N );
/* Initialize the matrices */
lapackf77_zlarnv( &ione, ISEED, &n2, h_A );
lapackf77_zlacpy( MagmaUpperLowerStr, &N, &N, h_A, &lda, h_R, &lda );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
gpu_time = magma_wtime();
magma_zgehrd( N, ione, N, h_R, lda, tau, h_work, lwork, dT, 0, opts.queue, &info );
gpu_time = magma_wtime() - gpu_time;
gpu_perf = gflops / gpu_time;
if (info != 0)
printf("magma_zgehrd returned error %d: %s.\n",
(int) info, magma_strerror( info ));
/* =====================================================================
Check the factorization
=================================================================== */
if ( opts.check ) {
ltwork = 2*(N*N);
TESTING_MALLOC_PIN( h_Q, magmaDoubleComplex, lda*N );
TESTING_MALLOC_CPU( twork, magmaDoubleComplex, ltwork );
#if defined(PRECISION_z) || defined(PRECISION_c)
TESTING_MALLOC_CPU( rwork, double, N );
#endif
lapackf77_zlacpy(MagmaUpperLowerStr, &N, &N, h_R, &lda, h_Q, &lda);
for( int j = 0; j < N-1; ++j )
for( int i = j+2; i < N; ++i )
h_R[i+j*lda] = MAGMA_Z_ZERO;
magma_zunghr( N, ione, N, h_Q, lda, tau, dT, 0, nb, opts.queue, &info );
if (info != 0) {
printf("magma_zunghr returned error %d: %s.\n",
(int) info, magma_strerror( info ));
exit(1);
}
#if defined(PRECISION_z) || defined(PRECISION_c)
lapackf77_zhst01(&N, &ione, &N,
h_A, &lda, h_R, &lda,
h_Q, &lda, twork, <work, rwork, result);
#else
lapackf77_zhst01(&N, &ione, &N,
h_A, &lda, h_R, &lda,
h_Q, &lda, twork, <work, result);
#endif
TESTING_FREE_PIN( h_Q );
TESTING_FREE_CPU( twork );
#if defined(PRECISION_z) || defined(PRECISION_c)
TESTING_FREE_CPU( rwork );
#endif
}
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
if ( opts.lapack ) {
cpu_time = magma_wtime();
lapackf77_zgehrd(&N, &ione, &N, h_R, &lda, tau, h_work, &lwork, &info);
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
if (info != 0)
printf("lapackf77_zgehrd returned error %d: %s.\n",
(int) info, magma_strerror( info ));
}
/* =====================================================================
Print performance and error.
=================================================================== */
if ( opts.lapack ) {
printf("%5d %7.2f (%7.2f) %7.2f (%7.2f)",
(int) N, cpu_perf, cpu_time, gpu_perf, gpu_time );
}
else {
printf("%5d --- ( --- ) %7.2f (%7.2f)",
(int) N, gpu_perf, gpu_time );
}
if ( opts.check ) {
printf(" %8.2e %8.2e %s\n",
result[0]*eps, result[1]*eps,
( ( (result[0]*eps < tol) && (result[1]*eps < tol) ) ? "ok" : "failed") );
status += ! (result[0]*eps < tol);
status += ! (result[1]*eps < tol);
}
else {
printf(" --- ---\n");
}
TESTING_FREE_CPU( h_A );
TESTING_FREE_CPU( tau );
TESTING_FREE_PIN( h_R );
TESTING_FREE_PIN( h_work );
TESTING_FREE_DEV( dT );
fflush( stdout );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return status;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing zgehrd2
*/
int main( int argc, char** argv)
{
real_Double_t gflops, gpu_perf, cpu_perf, gpu_time, cpu_time;
//*h_R1 is used for warm-up
magmaDoubleComplex *h_A, *h_R, *h_Q, *h_work, *tau, *twork, *h_R1;
magmaDoubleComplex_ptr dT;
double *rwork;
double result[2] = {0., 0.};
double eps;
int checkres;
checkres = getenv("MAGMA_TESTINGS_CHECK") != NULL;
/* Matrix size */
int N=0, n2, lda, nb, lwork, ltwork, once = 0;
#if defined (PRECISION_z)
magma_int_t size[10] = {1024,2048,3072,4032,5184,6016,7000,7000,7000,7000};
#else
magma_int_t size[10] = {1024,2048,3072,4032,5184,6016,7040,8064,9088,9900};
#endif
int i, info;
int ione = 1;
int ISEED[4] = {0,0,0,1};
if (argc != 1){
for(i = 1; i<argc; i++){
if (strcmp("-N", argv[i])==0)
N = atoi(argv[++i]);
}
if ( N > 0 ){
printf(" testing_zgehrd -N %d\n\n", N);
once = 1;
}
else
{
printf("\nUsage: \n");
printf(" testing_zgehrd -N %d\n\n", 1024);
exit(1);
}
}
else {
printf("\nUsage: \n");
printf(" testing_zgehrd -N %d\n\n", 1024);
N = size[9];
}
/* Initialize */
magma_queue_t queue;
magma_device_t device;
int num = 0;
magma_err_t err;
magma_init();
err = magma_get_devices( &device, 1, &num );
if ( err != 0 || num < 1 ) {
fprintf( stderr, "magma_get_devices failed: %d\n", err );
exit(-1);
}
err = magma_queue_create( device, &queue );
if ( err != 0 ) {
fprintf( stderr, "magma_queue_create failed: %d\n", err );
exit(-1);
}
eps = lapackf77_dlamch( "E" );
lda = N;
n2 = N*lda;
nb = magma_get_zgehrd_nb(N);
/* We suppose the magma nb is bigger than lapack nb */
lwork = N*nb;
TESTING_MALLOC_HOST( h_A , magmaDoubleComplex, n2 );
TESTING_MALLOC_HOST( tau , magmaDoubleComplex, N );
TESTING_MALLOC_HOST( h_R , magmaDoubleComplex, n2 );
TESTING_MALLOC_HOST( h_R1 , magmaDoubleComplex, n2 );
TESTING_MALLOC_HOST( h_work, magmaDoubleComplex, lwork );
TESTING_MALLOC_DEV ( dT , magmaDoubleComplex, nb*N );
/* To avoid uninitialized variable warning */
h_Q = NULL;
twork = NULL;
rwork = NULL;
if ( checkres ) {
ltwork = 2*(N*N);
TESTING_MALLOC_HOST( h_Q, magmaDoubleComplex, lda*N );
TESTING_MALLOC_HOST( twork, magmaDoubleComplex, ltwork );
#if defined(PRECISION_z) || defined(PRECISION_c)
TESTING_MALLOC_HOST( rwork, double, N );
#endif
}
printf("\n\n");
printf(" N CPU GFlop/s GPU GFlop/s |A-QHQ'|/N|A| |I-QQ'|/N \n");
printf("=============================================================\n");
for(i=0; i<10; i++){
if ( !once ) {
N = size[i];
}
lda = N;
n2 = lda*N;
gflops = FLOPS( (double)N ) / 1e9;
/* Initialize the matrices */
lapackf77_zlarnv( &ione, ISEED, &n2, h_A );
lapackf77_zlacpy( MagmaUpperLowerStr, &N, &N, h_A, &lda, h_R, &lda );
lapackf77_zlacpy( MagmaUpperLowerStr, &N, &N, h_A, &lda, h_R1, &lda );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_zgehrd ( N, ione, N, h_R1, lda, tau, h_work, lwork, dT, 0, &info, queue);
if ( info < 0 )
printf("Argument %d of magma_zgehrd had an illegal value\n", -info);
clFinish(queue);
gpu_time = get_time();
magma_zgehrd ( N, ione, N, h_R, lda, tau, h_work, lwork, dT, 0, &info, queue);
gpu_time = get_time() - gpu_time;
if ( info < 0 )
printf("Argument %d of magma_zgehrd had an illegal value\n", -info);
gpu_perf = gflops / gpu_time;
/* =====================================================================
Check the factorization
=================================================================== */
if ( checkres ) {
lapackf77_zlacpy(MagmaUpperLowerStr, &N, &N, h_R, &lda, h_Q, &lda);
{
int i, j;
for(j=0; j<N-1; j++)
for(i=j+2; i<lda; i++)
h_R[i+j*lda] = MAGMA_Z_ZERO;
}
nb = magma_get_zgehrd_nb(N);
magma_zunghr(N, ione, N, h_Q, lda, tau, dT, 0, nb, &info, queue);
#if defined(PRECISION_z) || defined(PRECISION_c)
lapackf77_zhst01(&N, &ione, &N, h_A, &lda, h_R, &lda, h_Q, &lda, twork, <work, rwork, result);
#else
lapackf77_zhst01(&N, &ione, &N, h_A, &lda, h_R, &lda, h_Q, &lda, twork, <work, result);
#endif
}
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
cpu_time = get_time();
lapackf77_zgehrd(&N, &ione, &N, h_A, &lda, tau, h_work, &lwork, &info);
cpu_time = get_time() - cpu_time;
if (info < 0)
printf("Argument %d of lapack_zgehrd had an illegal value.\n", -info);
cpu_perf = gflops / cpu_time;
/* =====================================================================
Print performance and error.
=================================================================== */
if ( checkres ) {
printf("%5d %6.2f %6.2f %e %e\n",
N, cpu_perf, gpu_perf,
result[0]*eps, result[1]*eps );
} else {
printf("%5d %6.2f %6.2f\n",
N, cpu_perf, gpu_perf );
}
if ( once )
break;
}
/* Memory clean up */
TESTING_FREE ( h_A );
TESTING_FREE ( tau );
TESTING_FREE_HOST( h_work);
TESTING_FREE_HOST( h_R );
TESTING_FREE_HOST( h_R1 );
TESTING_FREE_DEV ( dT );
if ( checkres ) {
TESTING_FREE_HOST( h_Q );
TESTING_FREE( twork );
#if defined(PRECISION_z) || defined(PRECISION_c)
TESTING_FREE( rwork );
#endif
}
/* Shutdown */
magma_queue_destroy( queue );
magma_finalize();
return EXIT_SUCCESS;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing zgehrd2
*/
int main( int argc, char** argv)
{
TESTING_CUDA_INIT();
magma_timestr_t start, end;
double eps, flops, gpu_perf, cpu_perf;
cuDoubleComplex *h_A, *h_R, *h_Q, *h_work, *tau, *twork, *dT;
double *rwork;
double result[2] = {0., 0.};
/* Matrix size */
magma_int_t N=0, n2, lda, nb, lwork, ltwork, once = 0;
magma_int_t size[10] = {1024,2048,3072,4032,5184,6016,7040,8064,9088,10112};
magma_int_t i, info, checkres;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
if (argc != 1){
for(i = 1; i<argc; i++){
if (strcmp("-N", argv[i])==0) {
N = atoi(argv[++i]);
once = true;
}
}
if ( N > 0 )
printf(" testing_zgehrd -N %d\n\n", (int) N);
else
{
printf("\nUsage: \n");
printf(" testing_zgehrd -N %d\n\n", 1024);
exit(1);
}
}
else {
printf("\nUsage: \n");
printf(" testing_zgehrd -N %d\n\n", 1024);
N = size[9];
}
checkres = getenv("MAGMA_TESTINGS_CHECK") != NULL;
eps = lapackf77_dlamch( "E" );
lda = N;
n2 = N*lda;
nb = magma_get_zgehrd_nb(N);
/* We suppose the magma nb is bigger than lapack nb */
lwork = N*nb;
TESTING_MALLOC ( h_A , cuDoubleComplex, n2 );
TESTING_MALLOC ( tau , cuDoubleComplex, N );
TESTING_HOSTALLOC( h_R , cuDoubleComplex, n2 );
TESTING_HOSTALLOC( h_work, cuDoubleComplex, lwork );
TESTING_DEVALLOC ( dT , cuDoubleComplex, nb*N );
/* To avoid uninitialized variable warning */
h_Q = NULL;
twork = NULL;
rwork = NULL;
if ( checkres ) {
ltwork = 2*(N*N);
TESTING_HOSTALLOC( h_Q, cuDoubleComplex, lda*N );
TESTING_MALLOC( twork, cuDoubleComplex, ltwork );
#if defined(PRECISION_z) || defined(PRECISION_c)
TESTING_MALLOC( rwork, double, N );
#endif
}
printf(" N CPU GFlop/s GPU GFlop/s |A-QHQ'|/N|A| |I-QQ'|/N \n");
printf("=============================================================\n");
for(i=0; i<10; i++){
if ( !once ) {
N = size[i];
}
lda = N;
n2 = lda*N;
flops = FLOPS( (double)N ) / 1e6;
/* Initialize the matrices */
lapackf77_zlarnv( &ione, ISEED, &n2, h_A );
lapackf77_zlacpy( MagmaUpperLowerStr, &N, &N, h_A, &lda, h_R, &lda );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
start = get_current_time();
magma_zgehrd ( N, ione, N, h_R, lda, tau, h_work, lwork, dT, &info);
end = get_current_time();
if ( info < 0 )
printf("Argument %d of magma_zgehrd had an illegal value\n", (int) -info);
gpu_perf = flops / GetTimerValue(start,end);
/* =====================================================================
Check the factorization
=================================================================== */
if ( checkres ) {
lapackf77_zlacpy(MagmaUpperLowerStr, &N, &N, h_R, &lda, h_Q, &lda);
{
int i, j;
for(j=0; j<N-1; j++)
for(i=j+2; i<lda; i++)
h_R[i+j*lda] = MAGMA_Z_ZERO;
}
nb = magma_get_zgehrd_nb(N);
magma_zunghr(N, ione, N, h_Q, lda, tau, dT, nb, &info);
#if defined(PRECISION_z) || defined(PRECISION_c)
lapackf77_zhst01(&N, &ione, &N,
h_A, &lda, h_R, &lda,
h_Q, &lda, twork, <work, rwork, result);
#else
lapackf77_zhst01(&N, &ione, &N,
h_A, &lda, h_R, &lda,
h_Q, &lda, twork, <work, result);
#endif
}
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
start = get_current_time();
lapackf77_zgehrd(&N, &ione, &N, h_R, &lda, tau, h_work, &lwork, &info);
end = get_current_time();
if (info < 0)
printf("Argument %d of lapack_zgehrd had an illegal value.\n", (int) -info);
cpu_perf = flops / GetTimerValue(start,end);
/* =====================================================================
Print performance and error.
=================================================================== */
if ( checkres ) {
printf("%5d %6.2f %6.2f %e %e\n",
(int) N, cpu_perf, gpu_perf,
result[0]*eps, result[1]*eps );
} else {
printf("%5d %6.2f %6.2f\n",
(int) N, cpu_perf, gpu_perf );
}
if ( once )
break;
}
/* Memory clean up */
TESTING_FREE ( h_A );
TESTING_FREE ( tau );
TESTING_HOSTFREE( h_work);
TESTING_HOSTFREE( h_R );
TESTING_DEVFREE ( dT );
if ( checkres ) {
TESTING_HOSTFREE( h_Q );
TESTING_FREE( twork );
#if defined(PRECISION_z) || defined(PRECISION_c)
TESTING_FREE( rwork );
#endif
}
/* Shutdown */
TESTING_CUDA_FINALIZE();
return EXIT_SUCCESS;
}
