/* ////////////////////////////////////////////////////////////////////////////
-- Testing ctrsm
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, cublas_perf, cublas_time, cpu_perf=0, cpu_time=0;
float cublas_error, normA, normx, normr, work[1];
magma_int_t N, info;
magma_int_t sizeA;
magma_int_t lda, ldda;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_int_t *ipiv;
magmaFloatComplex *h_A, *h_b, *h_x, *h_xcublas;
magmaFloatComplex *d_A, *d_x;
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magma_opts opts;
parse_opts( argc, argv, &opts );
printf("uplo = %c, transA = %c, diag = %c\n", opts.uplo, opts.transA, opts.diag );
printf(" N CUBLAS Gflop/s (ms) CPU Gflop/s (ms) CUBLAS error\n");
printf("============================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
N = opts.nsize[i];
gflops = FLOPS_CTRSM(opts.side, N, 1) / 1e9;
lda = N;
ldda = ((lda+31)/32)*32;
sizeA = lda*N;
TESTING_MALLOC( ipiv, magma_int_t, N );
TESTING_MALLOC( h_A, magmaFloatComplex, lda*N );
TESTING_MALLOC( h_b, magmaFloatComplex, N );
TESTING_MALLOC( h_x, magmaFloatComplex, N );
TESTING_MALLOC( h_xcublas, magmaFloatComplex, N );
TESTING_DEVALLOC( d_A, magmaFloatComplex, ldda*N );
TESTING_DEVALLOC( d_x, magmaFloatComplex, N );
/* Initialize the matrices */
/* Factor A into LU to get well-conditioned triangular matrix.
* Copy L to U, since L seems okay when used with non-unit diagonal
* (i.e., from U), while U fails when used with unit diagonal. */
lapackf77_clarnv( &ione, ISEED, &sizeA, h_A );
lapackf77_cgetrf( &N, &N, h_A, &lda, ipiv, &info );
for( int j = 0; j < N; ++j ) {
for( int i = 0; i < j; ++i ) {
*h_A(i,j) = *h_A(j,i);
}
}
lapackf77_clarnv( &ione, ISEED, &N, h_b );
blasf77_ccopy( &N, h_b, &ione, h_x, &ione );
/* =====================================================================
Performs operation using CUDA-BLAS
=================================================================== */
magma_csetmatrix( N, N, h_A, lda, d_A, ldda );
magma_csetvector( N, h_x, 1, d_x, 1 );
cublas_time = magma_sync_wtime( NULL );
cublasCtrsv( opts.uplo, opts.transA, opts.diag,
N,
d_A, ldda,
d_x, 1 );
cublas_time = magma_sync_wtime( NULL ) - cublas_time;
cublas_perf = gflops / cublas_time;
magma_cgetvector( N, d_x, 1, h_xcublas, 1 );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
if ( opts.lapack ) {
cpu_time = magma_wtime();
blasf77_ctrsv( &opts.uplo, &opts.transA, &opts.diag,
&N,
h_A, &lda,
h_x, &ione );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
}
/* =====================================================================
Check the result
=================================================================== */
// ||b - Ax|| / (||A||*||x||)
// error for CUBLAS
normA = lapackf77_clange( "F", &N, &N, h_A, &lda, work );
normx = lapackf77_clange( "F", &N, &ione, h_xcublas, &ione, work );
blasf77_ctrmv( &opts.uplo, &opts.transA, &opts.diag,
&N,
h_A, &lda,
h_xcublas, &ione );
blasf77_caxpy( &N, &c_neg_one, h_b, &ione, h_xcublas, &ione );
normr = lapackf77_clange( "F", &N, &ione, h_xcublas, &N, work );
cublas_error = normr / (normA*normx);
if ( opts.lapack ) {
printf("%5d %7.2f (%7.2f) %7.2f (%7.2f) %8.2e\n",
(int) N,
cublas_perf, 1000.*cublas_time,
cpu_perf, 1000.*cpu_time,
cublas_error );
}
else {
printf("%5d %7.2f (%7.2f) --- ( --- ) %8.2e\n",
(int) N,
cublas_perf, 1000.*cublas_time,
cublas_error );
}
TESTING_FREE( h_A );
TESTING_FREE( h_x );
TESTING_FREE( h_xcublas );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( d_x );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing cgeqrf
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, gpu_perf, gpu_time, cpu_perf, cpu_time;
float error, work[1];
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magmaFloatComplex *h_A, *h_R, *tau, *dtau, *h_work, tmp[1];
magmaFloatComplex *d_A;
float *dwork;
magma_int_t M, N, n2, lda, ldda, lwork, info, min_mn;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_opts opts;
parse_opts( argc, argv, &opts );
opts.lapack |= opts.check; // check (-c) implies lapack (-l)
printf(" M N CPU GFlop/s (ms) GPU GFlop/s (ms) ||R||_F / ||A||_F\n");
printf("=======================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[i];
N = opts.nsize[i];
min_mn = min(M, N);
lda = M;
n2 = lda*N;
ldda = ((M+31)/32)*32;
gflops = FLOPS_CGEQRF( M, N ) / 1e9;
lwork = -1;
lapackf77_cgeqrf(&M, &N, h_A, &M, tau, tmp, &lwork, &info);
lwork = (magma_int_t)MAGMA_C_REAL( tmp[0] );
TESTING_MALLOC( tau, magmaFloatComplex, min_mn );
TESTING_MALLOC( h_A, magmaFloatComplex, n2 );
TESTING_HOSTALLOC( h_R, magmaFloatComplex, n2 );
TESTING_DEVALLOC( d_A, magmaFloatComplex, ldda*N );
TESTING_DEVALLOC( dtau, magmaFloatComplex, min_mn );
TESTING_DEVALLOC(dwork, float, min_mn );
TESTING_MALLOC( h_work, magmaFloatComplex, lwork );
/* Initialize the matrix */
lapackf77_clarnv( &ione, ISEED, &n2, h_A );
lapackf77_clacpy( MagmaUpperLowerStr, &M, &N, h_A, &lda, h_R, &lda );
magma_csetmatrix( M, N, h_R, lda, d_A, ldda );
// warmup
magma_cgeqr2_gpu( M, N, d_A, ldda, dtau, dwork, &info );
magma_csetmatrix( M, N, h_R, lda, d_A, ldda );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
gpu_time = magma_sync_wtime( 0 );
magma_cgeqr2_gpu( M, N, d_A, ldda, dtau, dwork, &info );
gpu_time = magma_sync_wtime( 0 ) - gpu_time;
gpu_perf = gflops / gpu_time;
if (info != 0)
printf("magma_cgeqrf returned error %d: %s.\n",
(int) info, magma_strerror( info ));
if ( opts.lapack ) {
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
cpu_time = magma_wtime();
lapackf77_cgeqrf(&M, &N, h_A, &lda, tau, h_work, &lwork, &info);
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
if (info != 0)
printf("lapackf77_cgeqrf returned error %d: %s.\n",
(int) info, magma_strerror( info ));
/* =====================================================================
Check the result compared to LAPACK
=================================================================== */
magma_cgetmatrix( M, N, d_A, ldda, h_R, M );
error = lapackf77_clange("f", &M, &N, h_A, &lda, work);
blasf77_caxpy(&n2, &c_neg_one, h_A, &ione, h_R, &ione);
error = lapackf77_clange("f", &M, &N, h_R, &lda, work) / error;
printf("%5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %8.2e\n",
(int) M, (int) N, cpu_perf, 1000.*cpu_time, gpu_perf, 1000.*gpu_time, error );
}
else {
printf("%5d %5d --- ( --- ) %7.2f (%7.2f) --- \n",
(int) M, (int) N, gpu_perf, 1000.*gpu_time );
}
TESTING_FREE( tau );
TESTING_FREE( h_A );
TESTING_FREE( h_work );
TESTING_HOSTFREE( h_R );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( dtau );
TESTING_DEVFREE( dwork );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing csymmetrize
Code is very similar to testing_ctranspose.cpp
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gbytes, gpu_perf, gpu_time, cpu_perf, cpu_time;
float error, work[1];
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magmaFloatComplex *h_A, *h_R;
magmaFloatComplex *d_A;
magma_int_t N, size, lda, ldda;
magma_int_t ione = 1;
magma_opts opts;
parse_opts( argc, argv, &opts );
printf(" N CPU GByte/s (sec) GPU GByte/s (sec) check\n");
printf("=====================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
N = opts.nsize[i];
lda = N;
ldda = ((N+31)/32)*32;
size = lda*N;
// load strictly lower triangle, save strictly upper triangle
gbytes = sizeof(magmaFloatComplex) * 1.*N*(N-1) / 1e9;
TESTING_MALLOC( h_A, magmaFloatComplex, size );
TESTING_MALLOC( h_R, magmaFloatComplex, size );
TESTING_DEVALLOC( d_A, magmaFloatComplex, ldda*N );
/* Initialize the matrix */
for( int j = 0; j < N; ++j ) {
for( int i = 0; i < N; ++i ) {
h_A[i + j*lda] = MAGMA_C_MAKE( i + j/10000., j );
}
}
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_csetmatrix( N, N, h_A, lda, d_A, ldda );
gpu_time = magma_sync_wtime( 0 );
//magmablas_csymmetrize( opts.uplo, N-2, d_A+1+ldda, ldda ); // inset by 1 row & col
magmablas_csymmetrize( opts.uplo, N, d_A, ldda );
gpu_time = magma_sync_wtime( 0 ) - gpu_time;
gpu_perf = gbytes / gpu_time;
/* =====================================================================
Performs operation using naive in-place algorithm
(LAPACK doesn't implement symmetrize)
=================================================================== */
cpu_time = magma_wtime();
//for( int j = 1; j < N-1; ++j ) { // inset by 1 row & col
// for( int i = 1; i < j; ++i ) {
for( int j = 0; j < N; ++j ) {
for( int i = 0; i < j; ++i ) {
if ( opts.uplo == MagmaLower ) {
h_A[i + j*lda] = MAGMA_C_CNJG( h_A[j + i*lda] );
}
else {
h_A[j + i*lda] = MAGMA_C_CNJG( h_A[i + j*lda] );
}
}
}
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gbytes / cpu_time;
/* =====================================================================
Check the result
=================================================================== */
magma_cgetmatrix( N, N, d_A, ldda, h_R, lda );
blasf77_caxpy(&size, &c_neg_one, h_A, &ione, h_R, &ione);
error = lapackf77_clange("f", &N, &N, h_R, &lda, work);
printf("%5d %7.2f (%7.2f) %7.2f (%7.2f) %s\n",
(int) N, cpu_perf, cpu_time, gpu_perf, gpu_time,
(error == 0. ? "ok" : "failed") );
TESTING_FREE( h_A );
TESTING_FREE( h_R );
TESTING_DEVFREE( d_A );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing cherk
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, cublas_perf, cublas_time, cpu_perf, cpu_time;
float cublas_error, Cnorm, work[1];
magma_int_t N, K;
magma_int_t Ak, An;
magma_int_t sizeA, sizeC;
magma_int_t lda, ldc, ldda, lddc;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magmaFloatComplex *h_A, *h_C, *h_Ccublas;
magmaFloatComplex *d_A, *d_C;
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
float alpha = MAGMA_D_MAKE( 0.29, -0.86 );
float beta = MAGMA_D_MAKE( -0.48, 0.38 );
magma_opts opts;
parse_opts( argc, argv, &opts );
printf("If running lapack (option --lapack), MAGMA and CUBLAS error are both computed\n"
"relative to CPU BLAS result. Else, MAGMA error is computed relative to CUBLAS result.\n\n"
"uplo = %c, transA = %c\n", opts.uplo, opts.transA );
printf(" N K CUBLAS Gflop/s (ms) CPU Gflop/s (ms) CUBLAS error\n");
printf("==================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
N = opts.nsize[i];
K = opts.ksize[i];
gflops = FLOPS_CHERK(K, N) / 1e9;
if ( opts.transA == MagmaNoTrans ) {
lda = An = N;
Ak = K;
} else {
lda = An = K;
Ak = N;
}
ldc = N;
ldda = ((lda+31)/32)*32;
lddc = ((ldc+31)/32)*32;
sizeA = lda*Ak;
sizeC = ldc*N;
TESTING_MALLOC( h_A, magmaFloatComplex, lda*Ak );
TESTING_MALLOC( h_C, magmaFloatComplex, ldc*N );
TESTING_MALLOC( h_Ccublas, magmaFloatComplex, ldc*N );
TESTING_DEVALLOC( d_A, magmaFloatComplex, ldda*Ak );
TESTING_DEVALLOC( d_C, magmaFloatComplex, lddc*N );
/* Initialize the matrices */
lapackf77_clarnv( &ione, ISEED, &sizeA, h_A );
lapackf77_clarnv( &ione, ISEED, &sizeC, h_C );
/* =====================================================================
Performs operation using CUDA-BLAS
=================================================================== */
magma_csetmatrix( An, Ak, h_A, lda, d_A, ldda );
magma_csetmatrix( N, N, h_C, ldc, d_C, lddc );
cublas_time = magma_sync_wtime( NULL );
cublasCherk( opts.uplo, opts.transA, N, K,
alpha, d_A, ldda,
beta, d_C, lddc );
cublas_time = magma_sync_wtime( NULL ) - cublas_time;
cublas_perf = gflops / cublas_time;
magma_cgetmatrix( N, N, d_C, lddc, h_Ccublas, ldc );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
if ( opts.lapack ) {
cpu_time = magma_wtime();
blasf77_cherk( &opts.uplo, &opts.transA, &N, &K,
&alpha, h_A, &lda,
&beta, h_C, &ldc );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
}
/* =====================================================================
Check the result
=================================================================== */
if ( opts.lapack ) {
// compute relative error for both magma & cublas, relative to lapack,
// |C_magma - C_lapack| / |C_lapack|
Cnorm = lapackf77_clanhe("fro", &opts.uplo, &N, h_C, &ldc, work);
blasf77_caxpy( &sizeC, &c_neg_one, h_C, &ione, h_Ccublas, &ione );
cublas_error = lapackf77_clanhe( "fro", &opts.uplo, &N, h_Ccublas, &ldc, work ) / Cnorm;
printf("%5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %8.2e\n",
(int) N, (int) K,
cublas_perf, 1000.*cublas_time,
cpu_perf, 1000.*cpu_time,
cublas_error );
}
else {
printf("%5d %5d %7.2f (%7.2f) --- ( --- ) --- ---\n",
(int) N, (int) K,
cublas_perf, 1000.*cublas_time);
}
TESTING_FREE( h_A );
TESTING_FREE( h_C );
TESTING_FREE( h_Ccublas );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( d_C );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing zpotrf
*/
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;
magmaDoubleComplex *d_A;
magmaDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magma_int_t N, n2, lda, ldda, info;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
double work[1], error;
magma_int_t status = 0;
magma_opts opts;
parse_opts( argc, argv, &opts );
opts.lapack |= opts.check; // check (-c) implies lapack (-l)
double tol = opts.tolerance * lapackf77_dlamch("E");
printf(" N CPU GFlop/s (sec) GPU GFlop/s (sec) ||R||_F / ||A||_F\n");
printf("=================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
N = opts.nsize[i];
lda = N;
n2 = lda*N;
ldda = ((N+31)/32)*32;
gflops = FLOPS_ZPOTRI( N ) / 1e9;
TESTING_MALLOC( h_A, magmaDoubleComplex, n2 );
TESTING_HOSTALLOC( h_R, magmaDoubleComplex, n2 );
TESTING_DEVALLOC( d_A, magmaDoubleComplex, ldda*N );
/* Initialize the matrix */
lapackf77_zlarnv( &ione, ISEED, &n2, h_A );
magma_zmake_hpd( N, h_A, lda );
lapackf77_zlacpy( MagmaUpperLowerStr, &N, &N, h_A, &lda, h_R, &lda );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
/* factorize matrix */
magma_zsetmatrix( N, N, h_A, lda, d_A, ldda );
magma_zpotrf_gpu( opts.uplo, N, d_A, ldda, &info );
// check for exact singularity
//magma_zgetmatrix( N, N, d_A, ldda, h_R, lda );
//h_R[ 10 + 10*lda ] = MAGMA_Z_MAKE( 0.0, 0.0 );
//magma_zsetmatrix( N, N, h_R, lda, d_A, ldda );
gpu_time = magma_wtime();
magma_zpotri_gpu( opts.uplo, N, d_A, ldda, &info );
gpu_time = magma_wtime() - gpu_time;
gpu_perf = gflops / gpu_time;
if (info != 0)
printf("magma_zpotri_gpu returned error %d: %s.\n",
(int) info, magma_strerror( info ));
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
if ( opts.lapack ) {
lapackf77_zpotrf( &opts.uplo, &N, h_A, &lda, &info );
cpu_time = magma_wtime();
lapackf77_zpotri( &opts.uplo, &N, h_A, &lda, &info );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
if (info != 0)
printf("lapackf77_zpotri returned error %d: %s.\n",
(int) info, magma_strerror( info ));
/* =====================================================================
Check the result compared to LAPACK
=================================================================== */
magma_zgetmatrix( N, N, d_A, ldda, h_R, lda );
error = lapackf77_zlange("f", &N, &N, h_A, &lda, work);
blasf77_zaxpy(&n2, &c_neg_one, h_A, &ione, h_R, &ione);
error = lapackf77_zlange("f", &N, &N, h_R, &lda, work) / error;
printf("%5d %7.2f (%7.2f) %7.2f (%7.2f) %8.2e%s\n",
(int) N, cpu_perf, cpu_time, gpu_perf, gpu_time,
error, (error < tol ? "" : " failed") );
status |= ! (error < tol);
}
else {
printf("%5d --- ( --- ) %7.2f (%7.2f) ---\n",
(int) N, gpu_perf, gpu_time );
}
TESTING_FREE( h_A );
TESTING_HOSTFREE( h_R );
TESTING_DEVFREE( d_A );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return status;
}
int main(int argc, char **argv)
{
TESTING_CUDA_INIT();
magma_timestr_t start, end;
double flops, magma_perf, cuda_perf, error, work[1];
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
cuDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
FILE *fp ;
magma_int_t i, lda, Xm, Ym;
magma_int_t M, M0 = 0;
magma_int_t N, N0 = 0;
magma_int_t szeA, szeX, szeY;
magma_int_t istart = 64;
magma_int_t iend = 10240;
magma_int_t incx = 1;
magma_int_t incy = 1;
char trans = MagmaNoTrans;
cuDoubleComplex alpha = MAGMA_Z_MAKE(1., 0.); // MAGMA_Z_MAKE( 1.5, -2.3 );
cuDoubleComplex beta = MAGMA_Z_MAKE(0., 0.); // MAGMA_Z_MAKE( -0.6, 0.8 );
cuDoubleComplex *A, *X, *Y, *Ycublas, *Ymagma;
cuDoubleComplex *dA, *dX, *dY;
if (argc != 1){
for(i=1; i<argc; i++){
if ( strcmp("-n", argv[i]) == 0 ){
N0 = atoi(argv[++i]);
}
else if ( strcmp("-m", argv[i]) == 0 ){
M0 = atoi(argv[++i]);
}
else if (strcmp("-N", argv[i])==0){
trans = MagmaNoTrans;
}
else if (strcmp("-T", argv[i])==0){
trans = MagmaTrans;
}
#if defined(PRECISION_z) || defined(PRECISION_c)
else if (strcmp("-C", argv[i])==0){
trans = MagmaConjTrans;
}
#endif
}
}
if ( (M0 != 0) && (N0 != 0) )
iend = istart + 1;
M = N = iend;
if ( M0 != 0 ) M = M0;
if ( N0 != 0 ) N = N0;
if( trans == MagmaNoTrans ) {
Xm = N;
Ym = M;
} else {
Xm = M;
Ym = N;
}
lda = ((M+31)/32)*32;
szeA = lda*N;
szeX = incx*Xm;
szeY = incy*Ym;
TESTING_MALLOC( A, cuDoubleComplex, szeA );
TESTING_MALLOC( X, cuDoubleComplex, szeX );
TESTING_MALLOC( Y, cuDoubleComplex, szeY );
TESTING_MALLOC( Ycublas, cuDoubleComplex, szeY );
TESTING_MALLOC( Ymagma, cuDoubleComplex, szeY );
TESTING_DEVALLOC( dA, cuDoubleComplex, szeA );
TESTING_DEVALLOC( dX, cuDoubleComplex, szeX );
TESTING_DEVALLOC( dY, cuDoubleComplex, szeY );
/* Initialize the matrix */
lapackf77_zlarnv( &ione, ISEED, &szeA, A );
lapackf77_zlarnv( &ione, ISEED, &szeX, X );
lapackf77_zlarnv( &ione, ISEED, &szeY, Y );
fp = fopen ("results_zgemv.txt", "w") ;
if( fp == NULL ){ printf("Couldn't open output file\n"); exit(1);}
printf("\nUsage: \n");
printf(" testing_zgemv [-N|T|C] [-m %d] [-n %d]\n\n", 1024, 1024);
printf( " m n CUBLAS,Gflop/s MAGMABLAS Gflop/s \"error\"\n"
"==============================================================\n");
fprintf(fp, " m n CUBLAS,Gflop/s MAGMABLAS Gflop/s \"error\"\n"
"==============================================================\n");
for( i=istart; i < iend; i = (int)((i+1)*1.1) )
{
M = N = i;
if ( M0 != 0 ) M = M0;
if ( N0 != 0 ) N = N0;
if( trans == MagmaNoTrans ) {
Xm = N;
Ym = M;
} else {
Xm = M;
Ym = N;
}
lda = ((M+31)/32)*32;
flops = FLOPS( (double)M, (double)N ) / 1000000;
printf( "%5d %5d ", (int) M, (int) N );
fprintf( fp, "%5d %5d ", (int) M, (int) N );
/* =====================================================================
Performs operation using CUDA-BLAS
=================================================================== */
magma_zsetmatrix( M, N, A, lda, dA, lda );
magma_zsetvector( Xm, X, incx, dX, incx );
magma_zsetvector( Ym, Y, incy, dY, incy );
/*
* Cublas Version
*/
start = get_current_time();
cublasZgemv( trans, M, N, alpha, dA, lda, dX, incx, beta, dY, incy );
end = get_current_time();
magma_zgetvector( Ym, dY, incy, Ycublas, incy );
cuda_perf = flops / GetTimerValue(start, end);
printf( "%11.2f", cuda_perf );
fprintf(fp, "%11.2f", cuda_perf );
/*
* Magma Version
*/
magma_zsetvector( Ym, Y, incy, dY, incy );
start = get_current_time();
magmablas_zgemv( trans, M, N, alpha, dA, lda, dX, incx, beta, dY, incy );
end = get_current_time();
magma_zgetvector( Ym, dY, incx, Ymagma, incx );
magma_perf = flops / GetTimerValue(start, end);
printf( "%11.2f", magma_perf );
fprintf(fp, "%11.2f", magma_perf );
/* =====================================================================
Computing the Difference Cublas VS Magma
=================================================================== */
blasf77_zaxpy( &Ym, &c_neg_one, Ymagma, &incy, Ycublas, &incy);
error = lapackf77_zlange( "M", &Ym, &ione, Ycublas, &Ym, work );
#if 0
printf( "\t\t %8.6e", error / (double)Ym );
fprintf( fp, "\t\t %8.6e", error / (double)Ym );
/*
* Blas comparaison
*/
{
char *blastrans = MagmaNoTransStr;
if ( trans == MagmaConjTrans )
blastrans = MagmaConjTransStr;
else if ( trans == MagmaTrans )
blastrans = MagmaTransStr;
blasf77_zcopy( &Ym, Y, &incy, Ycublas, &incy );
blasf77_zgemv( blastrans, &M, &N,
&alpha, A, &lda,
X, &incx,
&beta, Ycublas, &incy );
blasf77_zaxpy( &Ym, &c_neg_one, Ymagma, &incy, Ycublas, &incy);
error = lapackf77_zlange( "M", &Ym, &ione, Ycublas, &Ym, work );
}
#endif
printf( "\t\t %8.6e\n", error / (double)Ym );
fprintf( fp, "\t\t %8.6e\n", error / (double)Ym );
}
/* Free Memory */
TESTING_FREE( A );
TESTING_FREE( X );
TESTING_FREE( Y );
TESTING_FREE( Ycublas );
TESTING_FREE( Ymagma );
TESTING_DEVFREE( dA );
TESTING_DEVFREE( dX );
TESTING_DEVFREE( dY );
/* Free device */
TESTING_CUDA_FINALIZE();
return EXIT_SUCCESS;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing zgeadd
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, gpu_perf, gpu_time, cpu_perf, cpu_time;
double error, work[1];
magmaDoubleComplex *h_A, *h_B, *d_A, *d_B;
magmaDoubleComplex alpha = MAGMA_Z_MAKE( 3.1415, 2.718 );
magmaDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magma_int_t M, N, size, lda, ldda;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_opts opts;
parse_opts( argc, argv, &opts );
/* Uncomment these lines to check parameters.
* magma_xerbla calls lapack's xerbla to print out error. */
//magmablas_zgeadd( -1, N, alpha, d_A, ldda, d_B, ldda );
//magmablas_zgeadd( M, -1, alpha, d_A, ldda, d_B, ldda );
//magmablas_zgeadd( M, N, alpha, d_A, M-1, d_B, ldda );
//magmablas_zgeadd( M, N, alpha, d_A, ldda, d_B, N-1 );
printf(" M N CPU GFlop/s (sec) GPU GFlop/s (sec) |Bl-Bm|/|Bl|\n");
printf("=========================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[i];
N = opts.nsize[i];
lda = M;
ldda = ((M+31)/32)*32;
size = lda*N;
gflops = 2.*M*N / 1e9;
TESTING_MALLOC( h_A, magmaDoubleComplex, lda *N );
TESTING_MALLOC( h_B, magmaDoubleComplex, lda *N );
TESTING_DEVALLOC( d_A, magmaDoubleComplex, ldda*N );
TESTING_DEVALLOC( d_B, magmaDoubleComplex, ldda*N );
lapackf77_zlarnv( &ione, ISEED, &size, h_A );
lapackf77_zlarnv( &ione, ISEED, &size, h_B );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_zsetmatrix( M, N, h_A, lda, d_A, ldda );
magma_zsetmatrix( M, N, h_B, lda, d_B, ldda );
gpu_time = magma_sync_wtime( NULL );
magmablas_zgeadd( M, N, alpha, d_A, ldda, d_B, ldda );
gpu_time = magma_sync_wtime( NULL ) - gpu_time;
gpu_perf = gflops / gpu_time;
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
cpu_time = magma_wtime();
for( int j = 0; j < N; ++j ) {
blasf77_zaxpy( &M, &alpha, &h_A[j*lda], &ione, &h_B[j*lda], &ione );
}
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
/* =====================================================================
Check result
=================================================================== */
magma_zgetmatrix( M, N, d_B, ldda, h_A, lda );
error = lapackf77_zlange( "F", &M, &N, h_B, &lda, work );
blasf77_zaxpy( &size, &c_neg_one, h_A, &ione, h_B, &ione );
error = lapackf77_zlange( "F", &M, &N, h_B, &lda, work ) / error;
printf("%5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %8.2e\n",
(int) M, (int) N, cpu_perf, cpu_time, gpu_perf, gpu_time, error );
TESTING_FREE( h_A );
TESTING_FREE( h_B );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( d_B );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing ztranspose
Code is very similar to testing_zsymmetrize.cpp
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gbytes, gpu_perf, gpu_time, gpu_perf2=0, gpu_time2=0, cpu_perf, cpu_time;
double error, error2, work[1];
magmaDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magmaDoubleComplex *h_A, *h_B, *h_R;
magmaDoubleComplex *d_A, *d_B;
magma_int_t M, N, size, lda, ldda, ldb, lddb;
magma_int_t ione = 1;
magma_opts opts;
parse_opts( argc, argv, &opts );
printf("Inplace transpose requires M==N.\n");
printf(" M N CPU GByte/s (sec) GPU GByte/s (sec) check Inplace GB/s (sec) check\n");
printf("====================================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[i];
N = opts.nsize[i];
lda = M;
ldda = ((M+31)/32)*32;
ldb = N;
lddb = ((N+31)/32)*32;
// load entire matrix, save entire matrix
gbytes = sizeof(magmaDoubleComplex) * 2.*M*N / 1e9;
// input is M x N
TESTING_MALLOC( h_A, magmaDoubleComplex, lda*N );
TESTING_DEVALLOC( d_A, magmaDoubleComplex, ldda*N );
// output is N x M
TESTING_MALLOC( h_B, magmaDoubleComplex, ldb*M );
TESTING_MALLOC( h_R, magmaDoubleComplex, ldb*M );
TESTING_DEVALLOC( d_B, magmaDoubleComplex, lddb*M );
/* Initialize the matrix */
for( int j = 0; j < N; ++j ) {
for( int i = 0; i < M; ++i ) {
h_A[i + j*lda] = MAGMA_Z_MAKE( i + j/10000., j );
}
}
for( int j = 0; j < M; ++j ) {
for( int i = 0; i < N; ++i ) {
h_B[i + j*ldb] = MAGMA_Z_MAKE( i + j/10000., j );
}
}
magma_zsetmatrix( N, M, h_B, ldb, d_B, lddb );
/* =====================================================================
Performs operation using naive out-of-place algorithm
(LAPACK doesn't implement transpose)
=================================================================== */
cpu_time = magma_wtime();
//for( int j = 1; j < N-1; ++j ) { // inset by 1 row & col
// for( int i = 1; i < M-1; ++i ) { // inset by 1 row & col
for( int j = 0; j < N; ++j ) {
for( int i = 0; i < M; ++i ) {
h_B[j + i*ldb] = h_A[i + j*lda];
}
}
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gbytes / cpu_time;
/* ====================================================================
Performs operation using MAGMA, out-of-place
=================================================================== */
magma_zsetmatrix( M, N, h_A, lda, d_A, ldda );
magma_zsetmatrix( N, M, h_B, ldb, d_B, lddb );
gpu_time = magma_sync_wtime( 0 );
//magmablas_ztranspose2( d_B+1+lddb, lddb, d_A+1+ldda, ldda, M-2, N-2 ); // inset by 1 row & col
magmablas_ztranspose2( d_B, lddb, d_A, ldda, M, N );
gpu_time = magma_sync_wtime( 0 ) - gpu_time;
gpu_perf = gbytes / gpu_time;
/* ====================================================================
Performs operation using MAGMA, in-place
=================================================================== */
if ( M == N ) {
magma_zsetmatrix( M, N, h_A, lda, d_A, ldda );
gpu_time2 = magma_sync_wtime( 0 );
//magmablas_ztranspose_inplace( N-2, d_A+1+ldda, ldda ); // inset by 1 row & col
magmablas_ztranspose_inplace( N, d_A, ldda );
gpu_time2 = magma_sync_wtime( 0 ) - gpu_time2;
gpu_perf2 = gbytes / gpu_time2;
}
/* =====================================================================
Check the result
=================================================================== */
size = ldb*M;
magma_zgetmatrix( N, M, d_B, lddb, h_R, ldb );
blasf77_zaxpy( &size, &c_neg_one, h_B, &ione, h_R, &ione );
error = lapackf77_zlange("f", &N, &M, h_R, &ldb, work );
if ( M == N ) {
magma_zgetmatrix( N, M, d_A, ldda, h_R, ldb );
blasf77_zaxpy( &size, &c_neg_one, h_B, &ione, h_R, &ione );
error2 = lapackf77_zlange("f", &N, &M, h_R, &ldb, work );
printf("%5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %4s %7.2f (%7.2f) %4s\n",
(int) M, (int) N, cpu_perf, cpu_time, gpu_perf, gpu_time,
(error == 0. ? "ok" : "failed"),
gpu_perf2, gpu_time2,
(error2 == 0. ? "ok" : "failed") );
}
else {
printf("%5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %4s --- ( --- )\n",
(int) M, (int) N, cpu_perf, cpu_time, gpu_perf, gpu_time,
(error == 0. ? "ok" : "failed") );
}
TESTING_FREE( h_A );
TESTING_FREE( h_B );
TESTING_FREE( h_R );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( d_B );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
int main(int argc, char **argv)
{
TESTING_INIT();
real_Double_t gflops, magma_perf, magma_time, cublas_perf, cublas_time, cpu_perf, cpu_time;
float magma_error, cublas_error, work[1];
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_int_t M, N, Xm, Ym, lda, sizeA, sizeX, sizeY;
magma_int_t incx = 1;
magma_int_t incy = 1;
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magmaFloatComplex alpha = MAGMA_C_MAKE( 1.5, -2.3 );
magmaFloatComplex beta = MAGMA_C_MAKE( -0.6, 0.8 );
magmaFloatComplex *A, *X, *Y, *Ycublas, *Ymagma;
magmaFloatComplex *dA, *dX, *dY;
magma_opts opts;
parse_opts( argc, argv, &opts );
printf(" M N MAGMA Gflop/s (ms) CUBLAS Gflop/s (ms) CPU Gflop/s (ms) MAGMA error CUBLAS error\n");
printf("===================================================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[i];
N = opts.nsize[i];
lda = ((M+31)/32)*32;
gflops = FLOPS_CGEMV( M, N ) / 1e9;
if ( opts.transA == MagmaNoTrans ) {
Xm = N;
Ym = M;
} else {
Xm = M;
Ym = N;
}
sizeA = lda*N;
sizeX = incx*Xm;
sizeY = incy*Ym;
TESTING_MALLOC( A, magmaFloatComplex, sizeA );
TESTING_MALLOC( X, magmaFloatComplex, sizeX );
TESTING_MALLOC( Y, magmaFloatComplex, sizeY );
TESTING_MALLOC( Ycublas, magmaFloatComplex, sizeY );
TESTING_MALLOC( Ymagma, magmaFloatComplex, sizeY );
TESTING_DEVALLOC( dA, magmaFloatComplex, sizeA );
TESTING_DEVALLOC( dX, magmaFloatComplex, sizeX );
TESTING_DEVALLOC( dY, magmaFloatComplex, sizeY );
/* Initialize the matrix */
lapackf77_clarnv( &ione, ISEED, &sizeA, A );
lapackf77_clarnv( &ione, ISEED, &sizeX, X );
lapackf77_clarnv( &ione, ISEED, &sizeY, Y );
/* =====================================================================
Performs operation using CUBLAS
=================================================================== */
magma_csetmatrix( M, N, A, lda, dA, lda );
magma_csetvector( Xm, X, incx, dX, incx );
magma_csetvector( Ym, Y, incy, dY, incy );
cublas_time = magma_sync_wtime( 0 );
cublasCgemv( opts.transA, M, N, alpha, dA, lda, dX, incx, beta, dY, incy );
cublas_time = magma_sync_wtime( 0 ) - cublas_time;
cublas_perf = gflops / cublas_time;
magma_cgetvector( Ym, dY, incy, Ycublas, incy );
/* =====================================================================
Performs operation using MAGMABLAS
=================================================================== */
magma_csetvector( Ym, Y, incy, dY, incy );
magma_time = magma_sync_wtime( 0 );
magmablas_cgemv( opts.transA, M, N, alpha, dA, lda, dX, incx, beta, dY, incy );
magma_time = magma_sync_wtime( 0 ) - magma_time;
magma_perf = gflops / magma_time;
magma_cgetvector( Ym, dY, incx, Ymagma, incx );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
cpu_time = magma_wtime();
blasf77_cgemv( &opts.transA, &M, &N,
&alpha, A, &lda,
X, &incx,
&beta, Y, &incy );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
/* =====================================================================
Check the result
=================================================================== */
blasf77_caxpy( &Ym, &c_neg_one, Y, &incy, Ymagma, &incy );
magma_error = lapackf77_clange( "M", &Ym, &ione, Ymagma, &Ym, work ) / Ym;
blasf77_caxpy( &Ym, &c_neg_one, Y, &incy, Ycublas, &incy );
cublas_error = lapackf77_clange( "M", &Ym, &ione, Ycublas, &Ym, work ) / Ym;
printf("%5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %8.2e\n",
(int) M, (int) N,
magma_perf, 1000.*magma_time,
cublas_perf, 1000.*cublas_time,
cpu_perf, 1000.*cpu_time,
magma_error, cublas_error );
TESTING_FREE( A );
TESTING_FREE( X );
TESTING_FREE( Y );
TESTING_FREE( Ycublas );
TESTING_FREE( Ymagma );
TESTING_DEVFREE( dA );
TESTING_DEVFREE( dX );
TESTING_DEVFREE( dY );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
int main(int argc, char **argv)
{
#if (GPUSHMEM >= 200)
TESTING_CUDA_INIT();
cudaSetDevice(0);
magma_timestr_t start, end;
float flops, magma_perf, cuda_perf, error, work[1];
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
cuFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magma_int_t n_local[4];
FILE *fp ;
magma_int_t N, m, i, j, lda, LDA, M;
magma_int_t matsize;
magma_int_t vecsize;
magma_int_t istart = 64;
magma_int_t incx = 1;
char uplo = MagmaLower;
cuFloatComplex alpha = MAGMA_C_MAKE(1., 0.); // MAGMA_C_MAKE( 1.5, -2.3 );
cuFloatComplex beta = MAGMA_C_MAKE(0., 0.); // MAGMA_C_MAKE( -0.6, 0.8 );
cuFloatComplex *A, *X, *Y[4], *Ycublas, *Ymagma;
cuFloatComplex *dA, *dX[4], *dY[4], *d_lA[4], *dYcublas ;
cudaStream_t stream[4][10];
cuFloatComplex *C_work;
cuFloatComplex *dC_work[4];
magma_int_t num_gpus = 1, max_num_gpus, nb;
magma_int_t blocks, workspace;
magma_int_t offset;
// offset = 257;
if (argc != 1){
for(i = 1; i<argc; i++){
if (strcmp("-N", argv[i])==0)
{
N = atoi(argv[++i]);
istart = N;
}
else if (strcmp("-M", argv[i])==0)
M = atoi(argv[++i]);
else if (strcmp("-NGPU", argv[i])==0)
num_gpus = atoi(argv[++i]);
else if (strcmp("-offset", argv[i])==0)
offset = atoi(argv[++i]);
}
if ( M == 0 ) {
M = N;
}
if ( N == 0 ) {
N = M;
}
if (M>0 && N>0)
{ printf(" testing_chemv_mgpu -M %d -N %d -NGPU %d\n\n", M, N, num_gpus);
printf(" in %c side \n", uplo);
}
else
{
printf("\nUsage: \n");
printf(" testing_chemv_mgpu -M %d -N %d -NGPU %d\n\n",
1024, 1024, 1);
exit(1);
}
}
else {
#if defined(PRECISION_z)
M = N = 8000;
#else
M = N = 12480;
#endif
num_gpus = 2;
offset = 0;
printf("\nUsage: \n");
printf(" testing_chemv_mgpu -M %d -N %d -NGPU %d\n\n", M, N, num_gpus);
}
///////////////////////////////////////////////////////////////////////////////////////
cudaGetDeviceCount(&max_num_gpus);
if (num_gpus > max_num_gpus){
printf("More GPUs requested than available. Have to change it.\n");
num_gpus = max_num_gpus;
}
printf("Number of GPUs to be used = %d\n", num_gpus);
for(int i=0; i< num_gpus; i++)
{
cudaStreamCreate(&stream[i][0]);
}
LDA = ((N+31)/32)*32;
matsize = N*LDA;
vecsize = N*incx;
nb = 32;
//nb = 64;
printf("block size = %d\n", nb);
TESTING_MALLOC( A, cuFloatComplex, matsize );
TESTING_MALLOC( X, cuFloatComplex, vecsize );
TESTING_MALLOC( Ycublas, cuFloatComplex, vecsize );
TESTING_MALLOC( Ymagma, cuFloatComplex, vecsize );
for(i=0; i<num_gpus; i++)
{
TESTING_MALLOC( Y[i], cuFloatComplex, vecsize );
}
cudaSetDevice(0);
TESTING_DEVALLOC( dA, cuFloatComplex, matsize );
TESTING_DEVALLOC( dYcublas, cuFloatComplex, vecsize );
for(i=0; i<num_gpus; i++)
{
n_local[i] = ((N/nb)/num_gpus)*nb;
if (i < (N/nb)%num_gpus)
n_local[i] += nb;
else if (i == (N/nb)%num_gpus)
n_local[i] += N%nb;
cudaSetDevice(i);
TESTING_DEVALLOC( d_lA[i], cuFloatComplex, LDA*n_local[i] );// potentially bugged
TESTING_DEVALLOC( dX[i], cuFloatComplex, vecsize );
TESTING_DEVALLOC( dY[i], cuFloatComplex, vecsize );
printf("device %2d n_local = %4d\n", i, n_local[i]);
}
cudaSetDevice(0);
///////////////////////////////////////////////////////////////////////
/* Initialize the matrix */
lapackf77_clarnv( &ione, ISEED, &matsize, A );
/* Make A hermitian */
{
magma_int_t i, j;
for(i=0; i<N; i++) {
A[i*LDA+i] = MAGMA_C_MAKE( MAGMA_C_REAL(A[i*LDA+i]), 0. );
for(j=0; j<i; j++)
A[i*LDA+j] = cuConjf(A[j*LDA+i]);
}
}
blocks = N / nb + (N % nb != 0);
workspace = LDA * (blocks + 1);
TESTING_MALLOC( C_work, cuFloatComplex, workspace );
for(i=0; i<num_gpus; i++){
cudaSetDevice(i);
TESTING_DEVALLOC( dC_work[i], cuFloatComplex, workspace );
//fillZero(dC_work[i], workspace);
}
cudaSetDevice(0);
//////////////////////////////////////////////////////////////////////////////////////////////
fp = fopen ("results_chemv_mgpu.csv", "w") ;
if( fp == NULL ){ printf("Couldn't open output file\n"); exit(1);}
printf("HEMV cuFloatComplex Precision\n\n");
printf( " n CUBLAS,Gflop/s MAGMABLAS,Gflop/s \"error\"\n"
"==============================================================\n");
fprintf(fp, " n CUBLAS,Gflop/s MAGMABLAS,Gflop/s \"error\"\n"
"==============================================================\n");
// for( offset = 0; offset< N; offset ++ )
for(int size = istart ; size <= N ; size += 128)
{
// printf("offset = %d ", offset);
m = size ;
// m = N;
// lda = ((m+31)/32)*32;//
lda = LDA;
flops = FLOPS( (float)m ) / 1e6;
printf( "N %5d ", m );
fprintf( fp, "%5d, ", m );
vecsize = m * incx;
lapackf77_clarnv( &ione, ISEED, &vecsize, X );
lapackf77_clarnv( &ione, ISEED, &vecsize, Y[0] );
/* =====================================================================
Performs operation using CUDA-BLAS
=================================================================== */
cudaSetDevice(0);
magmablas_csetmatrix_1D_bcyclic(m, m, A, LDA, d_lA, lda, num_gpus, nb);
cudaSetDevice(0);
magma_csetmatrix( m, m, A, LDA, dA, lda );
magma_csetvector( m, Y[0], incx, dYcublas, incx );
for(i=0; i<num_gpus; i++){
cudaSetDevice(i);
magma_csetvector( m, X, incx, dX[i], incx );
magma_csetvector( m, Y[0], incx, dY[i], incx );
blocks = m / nb + (m % nb != 0);
magma_csetmatrix( lda, blocks, C_work, LDA, dC_work[i], lda );
//cudaMemset(dC_work[i], 0, sizeof( cuFloatComplex) * lda * blocks);
}
cudaSetDevice(0);
start = get_current_time();
cublasChemv( uplo, m-offset, alpha, dA + offset + offset * lda, lda, dX[0] + offset, incx, beta, dYcublas + offset, incx );
end = get_current_time();
magma_cgetvector( m, dYcublas, incx, Ycublas, incx );
cuda_perf = flops / GetTimerValue(start,end);
printf( "%11.2f", cuda_perf );
fprintf(fp, "%11.2f,", cuda_perf );
cudaSetDevice(0);
start = get_current_time();
if(nb == 32)
{
magmablas_chemv2_mgpu_32_offset( uplo, m, alpha, d_lA, lda, dX, incx, beta, dY, incx,
dC_work, workspace, num_gpus, nb, offset);
}
else // nb = 64
{
magmablas_chemv2_mgpu_offset( uplo, m, alpha, d_lA, lda, dX, incx, beta, dY, incx,
dC_work, workspace, num_gpus, nb, offset);
}
for(i=1; i<num_gpus; i++)
{
cudaSetDevice(i);
cudaDeviceSynchronize();
}
end = get_current_time();
magma_perf = flops / GetTimerValue(start,end);
printf( "%11.2f", magma_perf );
fprintf(fp, "%11.2f,", magma_perf );
for(i=0; i<num_gpus; i++)
{
cudaSetDevice(i);
magma_cgetvector( m, dY[i], incx, Y[i], incx );
}
cudaSetDevice(0);
#ifdef validate
for( j= offset;j<m;j++)
{
for(i=1; i<num_gpus; i++)
{
// printf("Y[%d][%d] = %15.14f\n", i, j, Y[i][j].x);
#if defined(PRECISION_z) || defined(PRECISION_c)
Y[0][j].x = Y[0][j].x + Y[i][j].x;
Y[0][j].y = Y[0][j].y + Y[i][j].y;
#else
Y[0][j] = Y[0][j] + Y[i][j];
#endif
}
}
/*
#if defined(PRECISION_z) || defined(PRECISION_c)
for( j=offset;j<m;j++)
{
if(Y[0][j].x != Ycublas[j].x)
{
printf("Y-multi[%d] = %f, %f\n", j, Y[0][j].x, Y[0][j].y );
printf("Ycublas[%d] = %f, %f\n", j, Ycublas[j].x, Ycublas[j].y);
}
}
#else
for( j=offset;j<m;j++)
{
if(Y[0][j] != Ycublas[j])
{
printf("Y-multi[%d] = %f\n", j, Y[0][j] );
printf("Ycublas[%d] = %f\n", j, Ycublas[j]);
}
}
#endif
*/
/* =====================================================================
Computing the Difference Cublas VS Magma
=================================================================== */
int nw = m - offset ;
blasf77_caxpy( &nw, &c_neg_one, Y[0] + offset, &incx, Ycublas + offset, &incx);
error = lapackf77_clange( "M", &nw, &ione, Ycublas + offset, &nw, work );
#if 0
printf( "\t\t %8.6e", error / m );
fprintf( fp, "\t\t %8.6e", error / m );
/*
* Extra check with cblas vs magma
*/
cblas_ccopy( m, Y, incx, Ycublas, incx );
cblas_chemv( CblasColMajor, CblasLower, m,
CBLAS_SADDR(alpha), A, LDA, X, incx,
CBLAS_SADDR(beta), Ycublas, incx );
blasf77_caxpy( &m, &c_neg_one, Ymagma, &incx, Ycublas, &incx);
error = lapackf77_clange( "M", &m, &ione, Ycublas, &m, work );
#endif
printf( "\t\t %8.6e", error / m );
fprintf( fp, "\t\t %8.6e", error / m );
#endif
printf("\n");
fprintf(fp, "\n");
}
fclose( fp ) ;
/* Free Memory */
TESTING_FREE( A );
TESTING_FREE( X );
TESTING_FREE( Ycublas );
TESTING_FREE( Ymagma );
TESTING_FREE( C_work );
TESTING_DEVFREE( dA );
TESTING_DEVFREE( dYcublas );
for(i=0; i<num_gpus; i++)
{
TESTING_FREE( Y[i] );
cudaSetDevice(i);
TESTING_DEVFREE( d_lA[i] )
TESTING_DEVFREE( dX[i] );
TESTING_DEVFREE( dY[i] );
TESTING_DEVFREE( dC_work[i] );
}
cudaSetDevice(0);
///////////////////////////////////////////////////////////
/* Free device */
TESTING_CUDA_FINALIZE();
#endif
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing dswap, dswapblk, dpermute, dlaswp, dlaswpx
*/
int main( int argc, char** argv)
{
TESTING_INIT();
double *h_A1, *h_A2;
double *d_A1, *d_A2;
double *h_R1, *h_R2;
// row-major and column-major performance
real_Double_t row_perf0, col_perf0;
real_Double_t row_perf1, col_perf1;
real_Double_t row_perf2, col_perf2;
real_Double_t row_perf3;
real_Double_t row_perf4;
real_Double_t row_perf5, col_perf5;
real_Double_t row_perf6, col_perf6;
real_Double_t row_perf7;
real_Double_t cpu_perf;
real_Double_t time, gbytes;
magma_int_t N, lda, ldda, nb, j;
magma_int_t ione = 1;
magma_int_t *ipiv, *ipiv2;
magma_int_t *d_ipiv;
magma_opts opts;
parse_opts( argc, argv, &opts );
magma_queue_t queue = 0;
printf(" cublasDswap dswap dswapblk dlaswp dpermute dlaswp2 dlaswpx dcopymatrix CPU (all in )\n");
printf(" N nb row-maj/col-maj row-maj/col-maj row-maj/col-maj row-maj row-maj row-maj row-maj/col-maj row-blk/col-blk dlaswp (GByte/s)\n");
printf("==================================================================================================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
// each test is assigned one bit in the check bitmask, bit=1 is failure.
// shift keeps track of which bit is for current test
int shift = 1;
int check = 0;
N = opts.nsize[i];
lda = N;
ldda = ((N+31)/32)*32;
nb = (opts.nb > 0 ? opts.nb : magma_get_dgetrf_nb( N ));
// for each swap, does 2N loads and 2N stores
gbytes = sizeof(double) * 4.*N*nb / 1e9;
TESTING_HOSTALLOC( h_A1, double, lda*N );
TESTING_HOSTALLOC( h_A2, double, lda*N );
TESTING_HOSTALLOC( h_R1, double, lda*N );
TESTING_HOSTALLOC( h_R2, double, lda*N );
TESTING_MALLOC( ipiv, magma_int_t, nb );
TESTING_MALLOC( ipiv2, magma_int_t, nb );
TESTING_DEVALLOC( d_ipiv, magma_int_t, nb );
TESTING_DEVALLOC( d_A1, double, ldda*N );
TESTING_DEVALLOC( d_A2, double, ldda*N );
for( j=0; j < nb; j++ ) {
ipiv[j] = (magma_int_t) ((rand()*1.*N) / (RAND_MAX * 1.)) + 1;
}
/* =====================================================================
* cublasDswap, row-by-row (2 matrices)
*/
/* Row Major */
init_matrix( N, N, h_A1, lda, 0 );
init_matrix( N, N, h_A2, lda, 100 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
magma_dsetmatrix( N, N, h_A2, lda, d_A2, ldda );
time = magma_sync_wtime( queue );
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
cublasDswap( N, d_A1+ldda*j, 1, d_A2+ldda*(ipiv[j]-1), 1);
}
}
time = magma_sync_wtime( queue ) - time;
row_perf0 = gbytes / time;
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
blasf77_dswap( &N, h_A1+lda*j, &ione, h_A2+lda*(ipiv[j]-1), &ione);
}
}
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
magma_dgetmatrix( N, N, d_A2, ldda, h_R2, lda );
check += (diff_matrix( N, N, h_A1, lda, h_R1, lda ) ||
diff_matrix( N, N, h_A2, lda, h_R2, lda ))*shift;
shift *= 2;
/* Column Major */
init_matrix( N, N, h_A1, lda, 0 );
init_matrix( N, N, h_A2, lda, 100 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
magma_dsetmatrix( N, N, h_A2, lda, d_A2, ldda );
time = magma_sync_wtime( queue );
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
cublasDswap( N, d_A1+j, ldda, d_A2+ipiv[j]-1, ldda);
}
}
time = magma_sync_wtime( queue ) - time;
col_perf0 = gbytes / time;
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
blasf77_dswap( &N, h_A1+j, &lda, h_A2+(ipiv[j]-1), &lda);
}
}
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
magma_dgetmatrix( N, N, d_A2, ldda, h_R2, lda );
check += (diff_matrix( N, N, h_A1, lda, h_R1, lda ) ||
diff_matrix( N, N, h_A2, lda, h_R2, lda ))*shift;
shift *= 2;
/* =====================================================================
* dswap, row-by-row (2 matrices)
*/
/* Row Major */
init_matrix( N, N, h_A1, lda, 0 );
init_matrix( N, N, h_A2, lda, 100 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
magma_dsetmatrix( N, N, h_A2, lda, d_A2, ldda );
time = magma_sync_wtime( queue );
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
magmablas_dswap( N, d_A1+ldda*j, 1, d_A2+ldda*(ipiv[j]-1), 1);
}
}
time = magma_sync_wtime( queue ) - time;
row_perf1 = gbytes / time;
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
blasf77_dswap( &N, h_A1+lda*j, &ione, h_A2+lda*(ipiv[j]-1), &ione);
}
}
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
magma_dgetmatrix( N, N, d_A2, ldda, h_R2, lda );
check += (diff_matrix( N, N, h_A1, lda, h_R1, lda ) ||
diff_matrix( N, N, h_A2, lda, h_R2, lda ))*shift;
shift *= 2;
/* Column Major */
init_matrix( N, N, h_A1, lda, 0 );
init_matrix( N, N, h_A2, lda, 100 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
magma_dsetmatrix( N, N, h_A2, lda, d_A2, ldda );
time = magma_sync_wtime( queue );
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
magmablas_dswap( N, d_A1+j, ldda, d_A2+ipiv[j]-1, ldda );
}
}
time = magma_sync_wtime( queue ) - time;
col_perf1 = gbytes / time;
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
blasf77_dswap( &N, h_A1+j, &lda, h_A2+(ipiv[j]-1), &lda);
}
}
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
magma_dgetmatrix( N, N, d_A2, ldda, h_R2, lda );
check += (diff_matrix( N, N, h_A1, lda, h_R1, lda ) ||
diff_matrix( N, N, h_A2, lda, h_R2, lda ))*shift;
shift *= 2;
/* =====================================================================
* dswapblk, blocked version (2 matrices)
*/
/* Row Major */
init_matrix( N, N, h_A1, lda, 0 );
init_matrix( N, N, h_A2, lda, 100 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
magma_dsetmatrix( N, N, h_A2, lda, d_A2, ldda );
time = magma_sync_wtime( queue );
magmablas_dswapblk( 'R', N, d_A1, ldda, d_A2, ldda, 1, nb, ipiv, 1, 0);
time = magma_sync_wtime( queue ) - time;
row_perf2 = gbytes / time;
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
blasf77_dswap( &N, h_A1+lda*j, &ione, h_A2+lda*(ipiv[j]-1), &ione);
}
}
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
magma_dgetmatrix( N, N, d_A2, ldda, h_R2, lda );
check += (diff_matrix( N, N, h_A1, lda, h_R1, lda ) ||
diff_matrix( N, N, h_A2, lda, h_R2, lda ))*shift;
shift *= 2;
/* Column Major */
init_matrix( N, N, h_A1, lda, 0 );
init_matrix( N, N, h_A2, lda, 100 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
magma_dsetmatrix( N, N, h_A2, lda, d_A2, ldda );
time = magma_sync_wtime( queue );
magmablas_dswapblk( 'C', N, d_A1, ldda, d_A2, ldda, 1, nb, ipiv, 1, 0);
time = magma_sync_wtime( queue ) - time;
col_perf2 = gbytes / time;
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
blasf77_dswap( &N, h_A1+j, &lda, h_A2+(ipiv[j]-1), &lda);
}
}
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
magma_dgetmatrix( N, N, d_A2, ldda, h_R2, lda );
check += (diff_matrix( N, N, h_A1, lda, h_R1, lda ) ||
diff_matrix( N, N, h_A2, lda, h_R2, lda ))*shift;
shift *= 2;
/* =====================================================================
* dpermute_long (1 matrix)
*/
/* Row Major */
memcpy( ipiv2, ipiv, nb*sizeof(magma_int_t) ); // dpermute updates ipiv2
init_matrix( N, N, h_A1, lda, 0 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
time = magma_sync_wtime( queue );
magmablas_dpermute_long2( N, d_A1, ldda, ipiv2, nb, 0 );
time = magma_sync_wtime( queue ) - time;
row_perf3 = gbytes / time;
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
blasf77_dswap( &N, h_A1+lda*j, &ione, h_A1+lda*(ipiv[j]-1), &ione);
}
}
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
check += diff_matrix( N, N, h_A1, lda, h_R1, lda )*shift;
shift *= 2;
/* =====================================================================
* LAPACK-style dlaswp (1 matrix)
*/
/* Row Major */
init_matrix( N, N, h_A1, lda, 0 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
time = magma_sync_wtime( queue );
magmablas_dlaswp( N, d_A1, ldda, 1, nb, ipiv, 1);
time = magma_sync_wtime( queue ) - time;
row_perf4 = gbytes / time;
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
blasf77_dswap( &N, h_A1+lda*j, &ione, h_A1+lda*(ipiv[j]-1), &ione);
}
}
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
check += diff_matrix( N, N, h_A1, lda, h_R1, lda )*shift;
shift *= 2;
/* =====================================================================
* LAPACK-style dlaswp (1 matrix) - d_ipiv on GPU
*/
/* Row Major */
init_matrix( N, N, h_A1, lda, 0 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
time = magma_sync_wtime( queue );
magma_setvector( nb, sizeof(magma_int_t), ipiv, 1, d_ipiv, 1 );
magmablas_dlaswp2( N, d_A1, ldda, 1, nb, d_ipiv );
time = magma_sync_wtime( queue ) - time;
row_perf7 = gbytes / time;
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
blasf77_dswap( &N, h_A1+lda*j, &ione, h_A1+lda*(ipiv[j]-1), &ione);
}
}
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
check += diff_matrix( N, N, h_A1, lda, h_R1, lda )*shift;
shift *= 2;
/* =====================================================================
* LAPACK-style dlaswpx (extended for row- and col-major) (1 matrix)
*/
/* Row Major */
init_matrix( N, N, h_A1, lda, 0 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
time = magma_sync_wtime( queue );
magmablas_dlaswpx( N, d_A1, ldda, 1, 1, nb, ipiv, 1);
time = magma_sync_wtime( queue ) - time;
row_perf5 = gbytes / time;
for( j=0; j < nb; j++) {
if ( j != (ipiv[j]-1)) {
blasf77_dswap( &N, h_A1+lda*j, &ione, h_A1+lda*(ipiv[j]-1), &ione);
}
}
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
check += diff_matrix( N, N, h_A1, lda, h_R1, lda )*shift;
shift *= 2;
/* Col Major */
init_matrix( N, N, h_A1, lda, 0 );
magma_dsetmatrix( N, N, h_A1, lda, d_A1, ldda );
time = magma_sync_wtime( queue );
magmablas_dlaswpx( N, d_A1, 1, ldda, 1, nb, ipiv, 1);
time = magma_sync_wtime( queue ) - time;
col_perf5 = gbytes / time;
time = magma_wtime();
lapackf77_dlaswp( &N, h_A1, &lda, &ione, &nb, ipiv, &ione);
time = magma_wtime() - time;
cpu_perf = gbytes / time;
magma_dgetmatrix( N, N, d_A1, ldda, h_R1, lda );
check += diff_matrix( N, N, h_A1, lda, h_R1, lda )*shift;
shift *= 2;
/* =====================================================================
* Copy matrix.
*/
time = magma_sync_wtime( queue );
magma_dcopymatrix( N, nb, d_A1, ldda, d_A2, ldda );
time = magma_sync_wtime( queue ) - time;
// copy reads 1 matrix and writes 1 matrix, so has half gbytes of swap
col_perf6 = 0.5 * gbytes / time;
time = magma_sync_wtime( queue );
magma_dcopymatrix( nb, N, d_A1, ldda, d_A2, ldda );
time = magma_sync_wtime( queue ) - time;
// copy reads 1 matrix and writes 1 matrix, so has half gbytes of swap
row_perf6 = 0.5 * gbytes / time;
printf("%5d %3d %6.2f%c/ %6.2f%c %6.2f%c/ %6.2f%c %6.2f%c/ %6.2f%c %6.2f%c %6.2f%c %6.2f%c %6.2f%c/ %6.2f%c %6.2f / %6.2f %6.2f %10s\n",
(int) N, (int) nb,
row_perf0, ((check & 0x001) != 0 ? '*' : ' '),
col_perf0, ((check & 0x002) != 0 ? '*' : ' '),
row_perf1, ((check & 0x004) != 0 ? '*' : ' '),
col_perf1, ((check & 0x008) != 0 ? '*' : ' '),
row_perf2, ((check & 0x010) != 0 ? '*' : ' '),
col_perf2, ((check & 0x020) != 0 ? '*' : ' '),
row_perf3, ((check & 0x040) != 0 ? '*' : ' '),
row_perf4, ((check & 0x080) != 0 ? '*' : ' '),
row_perf7, ((check & 0x100) != 0 ? '*' : ' '),
row_perf5, ((check & 0x200) != 0 ? '*' : ' '),
col_perf5, ((check & 0x400) != 0 ? '*' : ' '),
row_perf6,
col_perf6,
cpu_perf,
(check == 0 ? "ok" : "* failures") );
TESTING_HOSTFREE( h_A1 );
TESTING_HOSTFREE( h_A2 );
TESTING_HOSTFREE( h_R1 );
TESTING_HOSTFREE( h_R2 );
TESTING_DEVFREE( d_A1 );
TESTING_DEVFREE( d_A2 );
TESTING_FREE( ipiv );
TESTING_FREE( ipiv2 );
TESTING_DEVFREE( d_ipiv );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing cungqr_gpu
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, gpu_perf, gpu_time, cpu_perf, cpu_time;
float error, work[1];
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magmaFloatComplex *hA, *hR, *tau, *h_work;
magmaFloatComplex *dA, *dT;
magma_int_t m, n, k;
magma_int_t n2, lda, ldda, lwork, min_mn, nb, info;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_opts opts;
parse_opts( argc, argv, &opts );
opts.lapack |= opts.check; // check (-c) implies lapack (-l)
printf(" m n k CPU GFlop/s (sec) GPU GFlop/s (sec) ||R|| / ||A||\n");
printf("=========================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
m = opts.msize[i];
n = opts.nsize[i];
k = opts.ksize[i];
if ( m < n || n < k ) {
printf( "skipping m %d, n %d, k %d because m < n or n < k\n", (int) m, (int) n, (int) k );
continue;
}
lda = m;
ldda = ((m + 31)/32)*32;
n2 = lda*n;
min_mn = min(m, n);
nb = magma_get_cgeqrf_nb( m );
lwork = (m + 2*n+nb)*nb;
gflops = FLOPS_CUNGQR( m, n, k ) / 1e9;
TESTING_HOSTALLOC( hA, magmaFloatComplex, lda*n );
TESTING_HOSTALLOC( h_work, magmaFloatComplex, lwork );
TESTING_MALLOC( hR, magmaFloatComplex, lda*n );
TESTING_MALLOC( tau, magmaFloatComplex, min_mn );
TESTING_DEVALLOC( dA, magmaFloatComplex, ldda*n );
TESTING_DEVALLOC( dT, magmaFloatComplex, ( 2*min_mn + ((n + 31)/32)*32 )*nb );
lapackf77_clarnv( &ione, ISEED, &n2, hA );
lapackf77_clacpy( MagmaUpperLowerStr, &m, &n, hA, &lda, hR, &lda );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_csetmatrix( m, n, hA, lda, dA, ldda );
magma_cgeqrf_gpu( m, n, dA, ldda, tau, dT, &info );
if (info != 0)
printf("magma_cgeqrf_gpu returned error %d: %s.\n",
(int) info, magma_strerror( info ));
gpu_time = magma_wtime();
magma_cungqr_gpu( m, n, k, dA, ldda, tau, dT, nb, &info );
gpu_time = magma_wtime() - gpu_time;
gpu_perf = gflops / gpu_time;
if (info != 0)
printf("magma_cungqr_gpu returned error %d: %s.\n",
(int) info, magma_strerror( info ));
// Get dA back to the CPU to compare with the CPU result.
magma_cgetmatrix( m, n, dA, ldda, hR, lda );
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
if ( opts.lapack ) {
error = lapackf77_clange("f", &m, &n, hA, &lda, work );
lapackf77_cgeqrf( &m, &n, hA, &lda, tau, h_work, &lwork, &info );
if (info != 0)
printf("lapackf77_cgeqrf returned error %d: %s.\n",
(int) info, magma_strerror( info ));
cpu_time = magma_wtime();
lapackf77_cungqr( &m, &n, &k, hA, &lda, tau, h_work, &lwork, &info );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
if (info != 0)
printf("lapackf77_cungqr returned error %d: %s.\n",
(int) info, magma_strerror( info ));
// compute relative error |R|/|A| := |Q_magma - Q_lapack|/|A|
blasf77_caxpy( &n2, &c_neg_one, hA, &ione, hR, &ione );
error = lapackf77_clange("f", &m, &n, hR, &lda, work) / error;
printf("%5d %5d %5d %7.1f (%7.2f) %7.1f (%7.2f) %8.2e\n",
(int) m, (int) n, (int) k,
cpu_perf, cpu_time, gpu_perf, gpu_time, error );
}
else {
printf("%5d %5d %5d --- ( --- ) %7.1f (%7.2f) --- \n",
(int) m, (int) n, (int) k,
gpu_perf, gpu_time );
}
TESTING_HOSTFREE( hA );
TESTING_HOSTFREE( h_work );
TESTING_FREE( hR );
TESTING_FREE( tau );
TESTING_DEVFREE( dA );
TESTING_DEVFREE( dT );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- 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, *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 i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
N = opts.nsize[i];
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 ( h_A, magmaDoubleComplex, n2 );
TESTING_MALLOC ( tau, magmaDoubleComplex, N );
TESTING_HOSTALLOC( h_R, magmaDoubleComplex, n2 );
TESTING_HOSTALLOC( h_work, magmaDoubleComplex, lwork );
TESTING_DEVALLOC ( 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, &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_HOSTALLOC( h_Q, magmaDoubleComplex, lda*N );
TESTING_MALLOC( twork, magmaDoubleComplex, ltwork );
#if defined(PRECISION_z) || defined(PRECISION_c)
TESTING_MALLOC( 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, nb, &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_HOSTFREE( h_Q );
TESTING_FREE( twork );
#if defined(PRECISION_z) || defined(PRECISION_c)
TESTING_FREE( 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) ) ? "" : " failed") );
status |= ! (result[0]*eps < tol);
status |= ! (result[1]*eps < tol);
}
else {
printf(" --- ---\n");
}
TESTING_FREE ( h_A );
TESTING_FREE ( tau );
TESTING_HOSTFREE( h_work);
TESTING_HOSTFREE( h_R );
TESTING_DEVFREE ( dT );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return status;
}
/* ////////////////////////////////////////////////////////////////////////////
-- 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;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing cgelqf_gpu
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, gpu_perf, gpu_time, cpu_perf, cpu_time;
float error, work[1];
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magmaFloatComplex *h_A, *h_R, *tau, *h_work, tmp[1];
magmaFloatComplex *d_A;
magma_int_t M, N, n2, lda, lwork, info, min_mn, nb;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_opts opts;
parse_opts( argc, argv, &opts );
printf(" M N CPU GFlop/s (sec) GPU GFlop/s (sec) ||R||_F / ||A||_F\n");
printf("=======================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[i];
N = opts.nsize[i];
min_mn = min(M, N);
lda = M;
n2 = lda*N;
nb = magma_get_cgeqrf_nb(M);
gflops = FLOPS_CGELQF( M, N ) / 1e9;
// query for workspace size
lwork = -1;
lapackf77_cgelqf(&M, &N, h_A, &M, tau, tmp, &lwork, &info);
lwork = (magma_int_t)MAGMA_C_REAL( tmp[0] );
lwork = max( lwork, M*nb );
TESTING_MALLOC( tau, magmaFloatComplex, min_mn );
TESTING_MALLOC( h_A, magmaFloatComplex, n2 );
TESTING_HOSTALLOC( h_R, magmaFloatComplex, n2 );
TESTING_DEVALLOC( d_A, magmaFloatComplex, lda*N );
TESTING_HOSTALLOC( h_work, magmaFloatComplex, lwork );
/* Initialize the matrix */
lapackf77_clarnv( &ione, ISEED, &n2, h_A );
lapackf77_clacpy( MagmaUpperLowerStr, &M, &N, h_A, &lda, h_R, &lda );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_csetmatrix( M, N, h_R, lda, d_A, lda );
gpu_time = magma_wtime();
magma_cgelqf_gpu( M, N, d_A, lda, tau, h_work, lwork, &info);
gpu_time = magma_wtime() - gpu_time;
gpu_perf = gflops / gpu_time;
if (info != 0)
printf("magma_cgelqf_gpu returned error %d: %s.\n",
(int) info, magma_strerror( info ));
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
cpu_time = magma_wtime();
lapackf77_cgelqf(&M, &N, h_A, &lda, tau, h_work, &lwork, &info);
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
if (info != 0)
printf("lapack_cgelqf returned error %d: %s.\n",
(int) info, magma_strerror( info ));
/* =====================================================================
Check the result compared to LAPACK
=================================================================== */
magma_cgetmatrix( M, N, d_A, lda, h_R, lda );
error = lapackf77_clange("f", &M, &N, h_A, &lda, work);
blasf77_caxpy(&n2, &c_neg_one, h_A, &ione, h_R, &ione);
error = lapackf77_clange("f", &M, &N, h_R, &lda, work) / error;
printf("%5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %8.2e\n",
(int) M, (int) N, cpu_perf, cpu_time, gpu_perf, gpu_time, error );
TESTING_FREE( tau );
TESTING_FREE( h_A );
TESTING_HOSTFREE( h_R );
TESTING_HOSTFREE( h_work );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing cgeadd_batched
Code is very similar to testing_clacpy_batched.cpp
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, gpu_perf, gpu_time, cpu_perf, cpu_time;
float error, work[1];
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magmaFloatComplex *h_A, *h_B;
magmaFloatComplex *d_A, *d_B;
magmaFloatComplex **hAarray, **hBarray, **dAarray, **dBarray;
magmaFloatComplex alpha = MAGMA_C_MAKE( 3.1415, 2.718 );
magma_int_t M, N, mb, nb, size, lda, ldda, mstride, nstride, ntile;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_opts opts;
parse_opts( argc, argv, &opts );
mb = (opts.nb == 0 ? 32 : opts.nb);
nb = (opts.nb == 0 ? 64 : opts.nb);
mstride = 2*mb;
nstride = 3*nb;
printf("mb=%d, nb=%d, mstride=%d, nstride=%d\n", (int) mb, (int) nb, (int) mstride, (int) nstride );
printf(" M N ntile CPU GFlop/s (sec) GPU GFlop/s (sec) error \n");
printf("====================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[i];
N = opts.nsize[i];
lda = M;
ldda = ((M+31)/32)*32;
size = lda*N;
if ( N < nb || M < nb ) {
ntile = 0;
} else {
ntile = min( (M - nb)/mstride + 1,
(N - nb)/nstride + 1 );
}
gflops = 2.*mb*nb*ntile / 1e9;
TESTING_MALLOC( h_A, magmaFloatComplex, lda *N );
TESTING_MALLOC( h_B, magmaFloatComplex, lda *N );
TESTING_DEVALLOC( d_A, magmaFloatComplex, ldda*N );
TESTING_DEVALLOC( d_B, magmaFloatComplex, ldda*N );
TESTING_MALLOC( hAarray, magmaFloatComplex*, ntile );
TESTING_MALLOC( hBarray, magmaFloatComplex*, ntile );
TESTING_DEVALLOC( dAarray, magmaFloatComplex*, ntile );
TESTING_DEVALLOC( dBarray, magmaFloatComplex*, ntile );
lapackf77_clarnv( &ione, ISEED, &size, h_A );
lapackf77_clarnv( &ione, ISEED, &size, h_B );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_csetmatrix( M, N, h_A, lda, d_A, ldda );
magma_csetmatrix( M, N, h_B, lda, d_B, ldda );
// setup pointers
for( int tile = 0; tile < ntile; ++tile ) {
int offset = tile*mstride + tile*nstride*ldda;
hAarray[tile] = &d_A[offset];
hBarray[tile] = &d_B[offset];
}
magma_setvector( ntile, sizeof(magmaFloatComplex*), hAarray, 1, dAarray, 1 );
magma_setvector( ntile, sizeof(magmaFloatComplex*), hBarray, 1, dBarray, 1 );
gpu_time = magma_sync_wtime( 0 );
magmablas_cgeadd_batched( mb, nb, alpha, dAarray, ldda, dBarray, ldda, ntile );
gpu_time = magma_sync_wtime( 0 ) - gpu_time;
gpu_perf = gflops / gpu_time;
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
cpu_time = magma_wtime();
for( int tile = 0; tile < ntile; ++tile ) {
int offset = tile*mstride + tile*nstride*lda;
for( int j = 0; j < nb; ++j ) {
blasf77_caxpy( &mb, &alpha,
&h_A[offset + j*lda], &ione,
&h_B[offset + j*lda], &ione );
}
}
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
/* =====================================================================
Check the result
=================================================================== */
magma_cgetmatrix( M, N, d_B, ldda, h_A, lda );
error = lapackf77_clange( "F", &M, &N, h_B, &lda, work );
blasf77_caxpy(&size, &c_neg_one, h_A, &ione, h_B, &ione);
error = lapackf77_clange("f", &M, &N, h_B, &lda, work) / error;
printf("%5d %5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %8.2e\n",
(int) M, (int) N, (int) ntile,
cpu_perf, cpu_time, gpu_perf, gpu_time, error );
TESTING_FREE( h_A );
TESTING_FREE( h_B );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( d_B );
TESTING_FREE( hAarray );
TESTING_FREE( hBarray );
TESTING_DEVFREE( dAarray );
TESTING_DEVFREE( dBarray );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing cpotrf
*/
int main( int argc, char** argv)
{
TESTING_CUDA_INIT();
magma_timestr_t start, end;
float flops, gpu_perf, cpu_perf;
cuFloatComplex *h_A, *h_R;
cuFloatComplex *d_A;
magma_int_t N = 0, n2, lda, ldda;
magma_int_t size[10] = {1024,2048,3072,4032,5184,6016,7040,8064,9088,10112};
magma_int_t i, info;
const char *uplo = MagmaUpperStr;
cuFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
float work[1], matnorm;
if (argc != 1){
for(i = 1; i<argc; i++){
if (strcmp("-N", argv[i])==0)
N = atoi(argv[++i]);
}
if (N>0) size[0] = size[9] = N;
else exit(1);
}
else {
printf("\nUsage: \n");
printf(" testing_cpotri_gpu -N %d\n\n", 1024);
}
/* Allocate host memory for the matrix */
n2 = size[9] * size[9];
ldda = ((size[9]+31)/32) * 32;
TESTING_MALLOC( h_A, cuFloatComplex, n2);
TESTING_HOSTALLOC( h_R, cuFloatComplex, n2);
TESTING_DEVALLOC( d_A, cuFloatComplex, ldda*size[9] );
printf(" N CPU GFlop/s GPU GFlop/s ||R||_F / ||A||_F\n");
printf("========================================================\n");
for(i=0; i<10; i++){
N = size[i];
lda = N;
n2 = lda*N;
flops = FLOPS_CPOTRI( (float)N ) / 1000000;
ldda = ((N+31)/32)*32;
/* Initialize the matrix */
lapackf77_clarnv( &ione, ISEED, &n2, h_A );
/* Symmetrize and increase the diagonal */
{
magma_int_t i, j;
for(i=0; i<N; i++) {
MAGMA_C_SET2REAL( h_A[i*lda+i], ( MAGMA_C_REAL(h_A[i*lda+i]) + 1.*N ) );
for(j=0; j<i; j++)
h_A[i*lda+j] = cuConjf(h_A[j*lda+i]);
}
}
lapackf77_clacpy( MagmaUpperLowerStr, &N, &N, h_A, &lda, h_R, &lda );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
//cublasSetMatrix( N, N, sizeof(cuFloatComplex), h_A, lda, d_A, ldda);
//magma_cpotrf_gpu(uplo[0], N, d_A, ldda, &info);
/* factorize matrix */
magma_csetmatrix( N, N, h_A, lda, d_A, ldda );
magma_cpotrf_gpu(uplo[0], N, d_A, ldda, &info);
// check for exact singularity
//magma_cgetmatrix( N, N, d_A, ldda, h_R, lda );
//h_R[ 10 + 10*lda ] = MAGMA_C_MAKE( 0.0, 0.0 );
//magma_csetmatrix( N, N, h_R, lda, d_A, ldda );
start = get_current_time();
magma_cpotri_gpu(uplo[0], N, d_A, ldda, &info);
end = get_current_time();
if (info != 0)
printf("magma_cpotri_gpu returned error %d\n", (int) info);
gpu_perf = flops / GetTimerValue(start, end);
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
lapackf77_cpotrf(uplo, &N, h_A, &lda, &info);
start = get_current_time();
lapackf77_cpotri(uplo, &N, h_A, &lda, &info);
end = get_current_time();
if (info != 0)
printf("lapackf77_cpotri returned error %d\n", (int) info);
cpu_perf = flops / GetTimerValue(start, end);
/* =====================================================================
Check the result compared to LAPACK
=================================================================== */
magma_cgetmatrix( N, N, d_A, ldda, h_R, lda );
matnorm = lapackf77_clange("f", &N, &N, h_A, &lda, work);
blasf77_caxpy(&n2, &c_neg_one, h_A, &ione, h_R, &ione);
printf("%5d %6.2f %6.2f %e\n",
(int) size[i], cpu_perf, gpu_perf,
lapackf77_clange("f", &N, &N, h_R, &lda, work) / matnorm);
if (argc != 1)
break;
}
/* Memory clean up */
TESTING_FREE( h_A );
TESTING_HOSTFREE( h_R );
TESTING_DEVFREE( d_A );
/* Shutdown */
TESTING_CUDA_FINALIZE();
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing zpotrf_mgpu
*/
int main( int argc, char** argv)
{
TESTING_CUDA_INIT();
magma_setdevice(0);
magma_timestr_t start, end;
double flops, gpu_perf, cpu_perf;
cuDoubleComplex *h_A, *h_R;
cuDoubleComplex *d_lA[4];
magma_int_t N = 0, n2, mb, nb, nk, lda, ldda, n_local, ldn_local;
//magma_int_t size[10] = {1000,2000,3000,4000,5000,6000,7000,8000,9000,10000};
magma_int_t size[10] = {1024,2048,3072,4032,5184,6016,7040,8064,9088,10112};
magma_int_t n_sizes = 10, flag = 0;
magma_int_t i, j, k, info, num_gpus0 = 1, num_gpus;
const char *uplo = MagmaLowerStr;
cuDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
double work[1], matnorm;
N = size[n_sizes-1];
if (argc != 1){
for(i = 1; i<argc; i++){
if (strcmp("-N", argv[i])==0) {
flag = 1;
N = atoi(argv[++i]);
size[0] = size[n_sizes-1] = N;
}
if (strcmp("-NGPU", argv[i])==0)
num_gpus0 = atoi(argv[++i]);
if (strcmp("-UPLO",argv[i])==0) {
if (strcmp("L",argv[++i])==0) uplo = MagmaLowerStr;
else uplo = MagmaUpperStr;
}
}
if (strcmp(uplo,MagmaLowerStr)==0)
printf("\n testing_zpotrf_mgpu -N %d -NGPU %d -UPLO L\n\n", (int) N, (int) num_gpus0 );
else
printf("\n testing_zpotrf_mgpu -N %d -NGPU %d -UPLO U\n\n", (int) N, (int) num_gpus0 );
} else {
printf("\nDefault: \n");
printf(" testing_zpotrf_mgpu -N %d:%d -NGPU %d -UPLO L\n\n", (int) size[0], (int) size[n_sizes-1], (int) num_gpus0 );
}
if( N <= 0 || num_gpus0 <= 0 ) {
printf( " invalid input N=%d NGPU=%d\n", (int) N, (int) num_gpus0 );
exit(1);
}
/* looking for max. ldda */
ldda = 0;
n2 = 0;
for(i=0; i<n_sizes; i++){
N = size[i];
nb = magma_get_zpotrf_nb(N);
mb = nb;
if( num_gpus0 > N/nb ) {
num_gpus = N/nb;
if( N%nb != 0 ) num_gpus ++;
} else {
num_gpus = num_gpus0;
}
n_local = nb*(1+N/(nb*num_gpus)) * mb*((N+mb-1)/mb);
if( n_local > ldda ) ldda = n_local;
if( n2 < N*N ) n2 = N*N;
if (flag != 0) break;
}
/* Allocate host memory for the matrix */
TESTING_HOSTALLOC( h_A, cuDoubleComplex, n2);
TESTING_HOSTALLOC( h_R, cuDoubleComplex, n2);
/* allocate local matrix on GPU */
for(i=0; i<num_gpus0; i++){
magma_setdevice(i);
TESTING_DEVALLOC( d_lA[i], cuDoubleComplex, ldda );
}
magma_setdevice(0);
printf(" N CPU GFlop/s GPU GFlop/s ||R||_F / ||A||_F\n");
printf("========================================================\n");
for(i=0; i<n_sizes; i++){
N = size[i];
lda = N;
n2 = lda*N;
flops = FLOPS( (double)N ) / 1000000;
/* Initialize the matrix */
lapackf77_zlarnv( &ione, ISEED, &n2, h_A );
/* Symmetrize and increase the diagonal */
{
magma_int_t i, j;
for(i=0; i<N; i++) {
MAGMA_Z_SET2REAL( h_A[i*lda+i], ( MAGMA_Z_REAL(h_A[i*lda+i]) + 1.*N ) );
for(j=0; j<i; j++)
h_A[i*lda+j] = cuConj(h_A[j*lda+i]);
}
}
lapackf77_zlacpy( MagmaUpperLowerStr, &N, &N, h_A, &lda, h_R, &lda );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
nb = magma_get_zpotrf_nb(N);
if( num_gpus0 > N/nb ) {
num_gpus = N/nb;
if( N%nb != 0 ) num_gpus ++;
printf( " * too many GPUs for the matrix size, using %d GPUs\n", (int) num_gpus );
} else {
num_gpus = num_gpus0;
}
/* distribute matrix to gpus */
if( lapackf77_lsame(uplo, "U") ) {
/* going through each block-column */
ldda = ((N+mb-1)/mb)*mb;
for(j=0; j<N; j+=nb){
k = (j/nb)%num_gpus;
magma_setdevice(k);
nk = min(nb, N-j);
magma_zsetmatrix( N, nk,
h_A+j*lda, lda,
d_lA[k]+j/(nb*num_gpus)*nb*ldda, ldda );
}
} else {
/* going through each block-row */
ldda = (1+N/(nb*num_gpus))*nb;
for(j=0; j<N; j+=nb){
k = (j/nb)%num_gpus;
magma_setdevice(k);
nk = min(nb, N-j);
magma_zsetmatrix( nk, N,
h_A+j, lda,
d_lA[k]+j/(nb*num_gpus)*nb, ldda );
}
}
magma_setdevice(0);
/* call magma_zpotrf_mgpu */
start = get_current_time();
magma_zpotrf_mgpu(num_gpus, uplo[0], N, d_lA, ldda, &info);
end = get_current_time();
if (info < 0) {
printf("Argument %d of magma_zpotrf_mgpu had an illegal value.\n", (int) -info);
break;
} else if (info != 0) {
printf("magma_zpotrf_mgpu returned info=%d\n", (int) info );
break;
}
gpu_perf = flops / GetTimerValue(start, end);
/* gather matrix from gpus */
if( lapackf77_lsame(uplo, "U") ) {
for(j=0; j<N; j+=nb){
k = (j/nb)%num_gpus;
magma_setdevice(k);
nk = min(nb, N-j);
magma_zgetmatrix( N, nk,
d_lA[k]+j/(nb*num_gpus)*nb*ldda, ldda,
h_R+j*lda, lda );
}
} else {
for(j=0; j<N; j+=nb){
k = (j/nb)%num_gpus;
magma_setdevice(k);
nk = min(nb, N-j);
magma_zgetmatrix( nk, N,
d_lA[k]+j/(nb*num_gpus)*nb, ldda,
h_R+j, lda );
}
}
magma_setdevice(0);
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
start = get_current_time();
lapackf77_zpotrf(uplo, &N, h_A, &lda, &info);
end = get_current_time();
if (info < 0) {
printf("Argument %d of zpotrf had an illegal value.\n", (int) -info);
break;
} else if (info != 0) {
printf("lapackf77_zpotrf returned info=%d\n", (int) info );
break;
}
cpu_perf = flops / GetTimerValue(start, end);
/* =====================================================================
Check the result compared to LAPACK
=================================================================== */
matnorm = lapackf77_zlange("f", &N, &N, h_A, &lda, work);
blasf77_zaxpy(&n2, &c_neg_one, h_A, &ione, h_R, &ione);
printf("%5d %6.2f %6.2f %e\n",
(int) size[i], cpu_perf, gpu_perf,
lapackf77_zlange("f", &N, &N, h_R, &lda, work) / matnorm);
if (flag != 0) break;
}
/* Memory clean up */
TESTING_HOSTFREE( h_A );
TESTING_HOSTFREE( h_R );
for(i=0; i<num_gpus; i++){
magma_setdevice(i);
TESTING_DEVFREE( d_lA[i] );
}
/* Shutdown */
TESTING_CUDA_FINALIZE();
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing ztrmv
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, cublas_perf, cublas_time, cpu_perf, cpu_time;
double cublas_error, Cnorm, work[1];
magma_int_t N;
magma_int_t Ak;
magma_int_t sizeA;
magma_int_t lda, ldda;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magmaDoubleComplex *h_A, *h_x, *h_xcublas;
magmaDoubleComplex *d_A, *d_x;
magmaDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magma_opts opts;
parse_opts( argc, argv, &opts );
printf("If running lapack (option --lapack), MAGMA and CUBLAS error are both computed\n"
"relative to CPU BLAS result. Else, MAGMA error is computed relative to CUBLAS result.\n\n"
"uplo = %c, transA = %c, diag = %c \n", opts.uplo, opts.transA, opts.diag );
printf(" N CUBLAS Gflop/s (ms) CPU Gflop/s (ms) CUBLAS error\n");
printf("==================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
N = opts.nsize[i];
gflops = FLOPS_ZTRMM(opts.side, N, 1) / 1e9;
lda = N;
Ak = N;
ldda = ((lda+31)/32)*32;
sizeA = lda*Ak;
TESTING_MALLOC( h_A, magmaDoubleComplex, lda*Ak );
TESTING_MALLOC( h_x, magmaDoubleComplex, N );
TESTING_MALLOC( h_xcublas, magmaDoubleComplex, N );
TESTING_DEVALLOC( d_A, magmaDoubleComplex, ldda*Ak );
TESTING_DEVALLOC( d_x, magmaDoubleComplex, N );
/* Initialize the matrices */
lapackf77_zlarnv( &ione, ISEED, &sizeA, h_A );
lapackf77_zlarnv( &ione, ISEED, &N, h_x );
/* =====================================================================
Performs operation using CUDA-BLAS
=================================================================== */
magma_zsetmatrix( Ak, Ak, h_A, lda, d_A, ldda );
magma_zsetvector( N, h_x, 1, d_x, 1 );
cublas_time = magma_sync_wtime( NULL );
cublasZtrmv( opts.uplo, opts.transA, opts.diag,
N,
d_A, ldda,
d_x, 1 );
cublas_time = magma_sync_wtime( NULL ) - cublas_time;
cublas_perf = gflops / cublas_time;
magma_zgetvector( N, d_x, 1, h_xcublas, 1 );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
if ( opts.lapack ) {
cpu_time = magma_wtime();
blasf77_ztrmv( &opts.uplo, &opts.transA, &opts.diag,
&N,
h_A, &lda,
h_x, &ione );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
}
/* =====================================================================
Check the result
=================================================================== */
if ( opts.lapack ) {
// compute relative error for both magma & cublas, relative to lapack,
// |C_magma - C_lapack| / |C_lapack|
Cnorm = lapackf77_zlange( "M", &N, &ione, h_x, &N, work );
blasf77_zaxpy( &N, &c_neg_one, h_x, &ione, h_xcublas, &ione );
cublas_error = lapackf77_zlange( "M", &N, &ione, h_xcublas, &N, work ) / Cnorm;
printf("%5d %7.2f (%7.2f) %7.2f (%7.2f) %8.2e\n",
(int) N,
cublas_perf, 1000.*cublas_time,
cpu_perf, 1000.*cpu_time,
cublas_error );
}
else {
printf("%5d %7.2f (%7.2f) --- ( --- ) --- ---\n",
(int) N,
cublas_perf, 1000.*cublas_time);
}
TESTING_FREE( h_A );
TESTING_FREE( h_x );
TESTING_FREE( h_xcublas );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( d_x );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing ztrsm
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, magma_perf, magma_time, cublas_perf, cublas_time, cpu_perf=0, cpu_time=0;
double magma_error, cublas_error, work[1];
magma_int_t M, N, info;
magma_int_t Ak;
magma_int_t sizeA, sizeB;
magma_int_t lda, ldb, ldda, lddb;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_int_t *piv;
magma_err_t err;
magmaDoubleComplex *h_A, *h_B, *h_Bcublas, *h_Bmagma, *h_B1, *h_X1, *h_X2, *LU, *LUT;
magmaDoubleComplex *d_A, *d_B;
magmaDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magmaDoubleComplex c_one = MAGMA_Z_ONE;
magmaDoubleComplex alpha = MAGMA_Z_MAKE( 0.29, -0.86 );
magma_opts opts;
parse_opts( argc, argv, &opts );
printf("If running lapack (option --lapack), MAGMA and CUBLAS error are both computed\n"
"relative to CPU BLAS result. Else, MAGMA error is computed relative to CUBLAS result.\n\n"
"side = %c, uplo = %c, transA = %c, diag = %c \n", opts.side, opts.uplo, opts.transA, opts.diag );
printf(" M N MAGMA Gflop/s (ms) CUBLAS Gflop/s (ms) CPU Gflop/s (ms) MAGMA error CUBLAS error\n");
printf("==================================================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[i];
N = opts.nsize[i];
gflops = FLOPS_ZTRSM(opts.side, M, N) / 1e9;
if ( opts.side == MagmaLeft ) {
lda = M;
Ak = M;
} else {
lda = N;
Ak = N;
}
ldb = M;
ldda = ((lda+31)/32)*32;
lddb = ((ldb+31)/32)*32;
sizeA = lda*Ak;
sizeB = ldb*N;
TESTING_MALLOC( h_A, magmaDoubleComplex, lda*Ak );
TESTING_MALLOC( LU, magmaDoubleComplex, lda*Ak );
TESTING_MALLOC( LUT, magmaDoubleComplex, lda*Ak );
TESTING_MALLOC( h_B, magmaDoubleComplex, ldb*N );
TESTING_MALLOC( h_B1, magmaDoubleComplex, ldb*N );
TESTING_MALLOC( h_X1, magmaDoubleComplex, ldb*N );
TESTING_MALLOC( h_X2, magmaDoubleComplex, ldb*N );
TESTING_MALLOC( h_Bcublas, magmaDoubleComplex, ldb*N );
TESTING_MALLOC( h_Bmagma, magmaDoubleComplex, ldb*N );
TESTING_DEVALLOC( d_A, magmaDoubleComplex, ldda*Ak );
TESTING_DEVALLOC( d_B, magmaDoubleComplex, lddb*N );
/* Initialize the matrices */
lapackf77_zlarnv( &ione, ISEED, &sizeA, LU );
err = magma_malloc_cpu( (void**) &piv, Ak*sizeof(magma_int_t) ); assert( err == 0 );
lapackf77_zgetrf( &Ak, &Ak, LU, &lda, piv, &info );
int i, j;
for(i=0;i<Ak;i++){
for(j=0;j<Ak;j++){
LUT[j+i*lda] = LU[i+j*lda];
}
}
lapackf77_zlacpy(MagmaUpperStr, &Ak, &Ak, LUT, &lda, LU, &lda);
if(opts.uplo == MagmaLower){
lapackf77_zlacpy(MagmaLowerStr, &Ak, &Ak, LU, &lda, h_A, &lda);
}else{
lapackf77_zlacpy(MagmaUpperStr, &Ak, &Ak, LU, &lda, h_A, &lda);
}
lapackf77_zlarnv( &ione, ISEED, &sizeB, h_B );
memcpy(h_B1, h_B, sizeB*sizeof(magmaDoubleComplex));
/* =====================================================================
Performs operation using MAGMA-BLAS
=================================================================== */
magma_zsetmatrix( Ak, Ak, h_A, lda, d_A, ldda );
magma_zsetmatrix( M, N, h_B, ldb, d_B, lddb );
magma_time = magma_sync_wtime( NULL );
magmablas_ztrsm( opts.side, opts.uplo, opts.transA, opts.diag,
M, N,
alpha, d_A, ldda,
d_B, lddb );
magma_time = magma_sync_wtime( NULL ) - magma_time;
magma_perf = gflops / magma_time;
magma_zgetmatrix( M, N, d_B, lddb, h_Bmagma, ldb );
/* =====================================================================
Performs operation using CUDA-BLAS
=================================================================== */
magma_zsetmatrix( M, N, h_B, ldb, d_B, lddb );
cublas_time = magma_sync_wtime( NULL );
cublasZtrsm( opts.side, opts.uplo, opts.transA, opts.diag,
M, N,
alpha, d_A, ldda,
d_B, lddb );
cublas_time = magma_sync_wtime( NULL ) - cublas_time;
cublas_perf = gflops / cublas_time;
magma_zgetmatrix( M, N, d_B, lddb, h_Bcublas, ldb );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
if ( opts.lapack ) {
cpu_time = magma_wtime();
blasf77_ztrsm( &opts.side, &opts.uplo, &opts.transA, &opts.diag,
&M, &N,
&alpha, h_A, &lda,
h_B, &ldb );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
}
/* =====================================================================
Check the result
=================================================================== */
// ||b - Ax|| / (||A||*||x||)
memcpy(h_X1, h_Bmagma, sizeB*sizeof(magmaDoubleComplex));
magmaDoubleComplex alpha2 = MAGMA_Z_DIV( c_one, alpha );
blasf77_ztrmm( &opts.side, &opts.uplo, &opts.transA, &opts.diag,
&M, &N,
&alpha2, h_A, &lda,
h_X1, &ldb );
blasf77_zaxpy( &sizeB, &c_neg_one, h_B1, &ione, h_X1, &ione );
double norm1 = lapackf77_zlange( "M", &M, &N, h_X1, &ldb, work );
double normx = lapackf77_zlange( "M", &M, &N, h_Bmagma, &ldb, work );
double normA = lapackf77_zlange( "M", &Ak, &Ak, h_A, &lda, work );
magma_error = norm1/(normx*normA);
memcpy(h_X2, h_Bcublas, sizeB*sizeof(magmaDoubleComplex));
blasf77_ztrmm( &opts.side, &opts.uplo, &opts.transA, &opts.diag,
&M, &N,
&alpha2, h_A, &lda,
h_X2, &ldb );
blasf77_zaxpy( &sizeB, &c_neg_one, h_B1, &ione, h_X2, &ione );
norm1 = lapackf77_zlange( "M", &M, &N, h_X2, &ldb, work );
normx = lapackf77_zlange( "M", &M, &N, h_Bcublas, &ldb, work );
normA = lapackf77_zlange( "M", &Ak, &Ak, h_A, &lda, work );
cublas_error = norm1/(normx*normA);
if ( opts.lapack ) {
printf("%5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %8.2e\n",
(int) M, (int) N,
magma_perf, 1000.*magma_time,
cublas_perf, 1000.*cublas_time,
cpu_perf, 1000.*cpu_time,
magma_error, cublas_error );
}
else {
printf("%5d %5d %7.2f (%7.2f) %7.2f (%7.2f) --- ( --- ) %8.2e %8.2e\n",
(int) M, (int) N,
magma_perf, 1000.*magma_time,
cublas_perf, 1000.*cublas_time,
magma_error, cublas_error );
}
TESTING_FREE( h_A );
TESTING_FREE( LU );
TESTING_FREE( LUT );
TESTING_FREE( h_B );
TESTING_FREE( h_Bcublas );
TESTING_FREE( h_Bmagma );
TESTING_FREE( h_B1 );
TESTING_FREE( h_X1 );
TESTING_FREE( h_X2 );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( d_B );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
int main(int argc, char **argv)
{
TESTING_INIT();
real_Double_t gflops, magma_perf, magma_time, cublas_perf, cublas_time, cpu_perf, cpu_time;
float magma_error, cublas_error, work[1];
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_int_t N, lda, sizeA, sizeX, sizeY, blocks, ldwork;
magma_int_t incx = 1;
magma_int_t incy = 1;
magma_int_t nb = 64;
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magmaFloatComplex alpha = MAGMA_C_MAKE( 1.5, -2.3 );
magmaFloatComplex beta = MAGMA_C_MAKE( -0.6, 0.8 );
magmaFloatComplex *A, *X, *Y, *Ycublas, *Ymagma;
magmaFloatComplex *dA, *dX, *dY, *dC_work;
magma_opts opts;
parse_opts( argc, argv, &opts );
printf(" N MAGMA Gflop/s (ms) CUBLAS Gflop/s (ms) CPU Gflop/s (ms) MAGMA error CUBLAS error\n");
printf("=============================================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
N = opts.nsize[i];
lda = ((N + 31)/32)*32;
sizeA = N*lda;
sizeX = N*incx;
sizeY = N*incy;
gflops = FLOPS_CHEMV( N ) / 1e9;
TESTING_MALLOC( A, magmaFloatComplex, sizeA );
TESTING_MALLOC( X, magmaFloatComplex, sizeX );
TESTING_MALLOC( Y, magmaFloatComplex, sizeY );
TESTING_MALLOC( Ycublas, magmaFloatComplex, sizeY );
TESTING_MALLOC( Ymagma, magmaFloatComplex, sizeY );
TESTING_DEVALLOC( dA, magmaFloatComplex, sizeA );
TESTING_DEVALLOC( dX, magmaFloatComplex, sizeX );
TESTING_DEVALLOC( dY, magmaFloatComplex, sizeY );
blocks = (N + nb - 1) / nb;
ldwork = lda * (blocks + 1);
TESTING_DEVALLOC( dC_work, magmaFloatComplex, ldwork );
/* Initialize the matrix */
lapackf77_clarnv( &ione, ISEED, &sizeA, A );
magma_cmake_hermitian( N, A, lda );
lapackf77_clarnv( &ione, ISEED, &sizeX, X );
lapackf77_clarnv( &ione, ISEED, &sizeY, Y );
/* =====================================================================
Performs operation using CUBLAS
=================================================================== */
magma_csetmatrix( N, N, A, lda, dA, lda );
magma_csetvector( N, X, incx, dX, incx );
magma_csetvector( N, Y, incy, dY, incy );
cublas_time = magma_sync_wtime( 0 );
cublasChemv( opts.uplo, N, alpha, dA, lda, dX, incx, beta, dY, incy );
cublas_time = magma_sync_wtime( 0 ) - cublas_time;
cublas_perf = gflops / cublas_time;
magma_cgetvector( N, dY, incy, Ycublas, incy );
/* =====================================================================
Performs operation using MAGMA BLAS
=================================================================== */
magma_csetvector( N, Y, incy, dY, incy );
magma_time = magma_sync_wtime( 0 );
#if (GPUSHMEM >= 200)
magmablas_chemv2( opts.uplo, N, alpha, dA, lda, dX, incx, beta, dY, incy, dC_work, ldwork );
#else
magmablas_chemv( opts.uplo, N, alpha, dA, lda, dX, incx, beta, dY, incy );
#endif
magma_time = magma_sync_wtime( 0 ) - magma_time;
magma_perf = gflops / magma_time;
magma_cgetvector( N, dY, incy, Ymagma, incy );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
cpu_time = magma_wtime();
blasf77_chemv( &opts.uplo, &N, &alpha, A, &lda, X, &incx, &beta, Y, &incy );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
/* =====================================================================
Check the result
=================================================================== */
blasf77_caxpy( &N, &c_neg_one, Y, &incy, Ymagma, &incy );
magma_error = lapackf77_clange( "M", &N, &ione, Ymagma, &N, work ) / N;
blasf77_caxpy( &N, &c_neg_one, Y, &incy, Ycublas, &incy );
cublas_error = lapackf77_clange( "M", &N, &ione, Ycublas, &N, work ) / N;
printf("%5d %7.2f (%7.2f) %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %8.2e\n",
(int) N,
magma_perf, 1000.*magma_time,
cublas_perf, 1000.*cublas_time,
cpu_perf, 1000.*cpu_time,
magma_error, cublas_error );
TESTING_FREE( A );
TESTING_FREE( X );
TESTING_FREE( Y );
TESTING_FREE( Ycublas );
TESTING_FREE( Ymagma );
TESTING_DEVFREE( dA );
TESTING_DEVFREE( dX );
TESTING_DEVFREE( dY );
TESTING_DEVFREE( dC_work );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing clarfb_gpu
*/
int main( int argc, char** argv )
{
TESTING_CUDA_INIT();
cuFloatComplex c_zero = MAGMA_C_ZERO;
cuFloatComplex c_one = MAGMA_C_ONE;
cuFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magma_int_t ione = 1;
printf( "\nUsage: %s -M m -N n -K k\n\n", argv[0] );
magma_int_t m = 500;
magma_int_t n = 300;
magma_int_t k = 32;
for( int i = 1; i < argc; i++ ) {
if (strcmp("-M", argv[i]) == 0 && i+1 < argc) {
m = atoi( argv[++i] );
}
else if (strcmp("-N", argv[i]) == 0 && i+1 < argc) {
n = atoi( argv[++i] );
}
else if (strcmp("-K", argv[i]) == 0 && i+1 < argc) {
k = atoi( argv[++i] );
}
else {
printf( "invalid argument: %s\n", argv[i] );
exit(1);
}
}
if ( k <= 0 || k > m || k > n ) {
printf( "requires 0 < k <= min(m,n)\n" );
exit(1);
}
magma_int_t ldc = m;
magma_int_t ldv = max(m,n);
magma_int_t ldt = k;
magma_int_t ldw = max(m,n);
magma_int_t nv;
ldc = ((ldc+31)/32)*32;
ldv = ((ldv+31)/32)*32;
ldt = ((ldt+31)/32)*32;
ldw = ((ldw+31)/32)*32;
// Allocate memory for matrices
cuFloatComplex *C, *R, *V, *T, *W;
TESTING_MALLOC( C, cuFloatComplex, ldc*n );
TESTING_MALLOC( R, cuFloatComplex, ldc*n );
TESTING_MALLOC( V, cuFloatComplex, ldv*k );
TESTING_MALLOC( T, cuFloatComplex, ldt*k );
TESTING_MALLOC( W, cuFloatComplex, ldw*k );
cuFloatComplex *dC, *dV, *dT, *dW;
TESTING_DEVALLOC( dC, cuFloatComplex, ldc*n );
TESTING_DEVALLOC( dV, cuFloatComplex, ldv*k );
TESTING_DEVALLOC( dT, cuFloatComplex, ldt*k );
TESTING_DEVALLOC( dW, cuFloatComplex, ldw*k );
magma_int_t size;
magma_int_t iseed[4] = { 1, 2, 3, 4 };
float error, work[1];
// test all combinations of input parameters
const char* side[] = { MagmaLeftStr, MagmaRightStr };
const char* trans[] = { MagmaConjTransStr, MagmaNoTransStr };
const char* direct[] = { MagmaForwardStr, MagmaBackwardStr };
const char* storev[] = { MagmaColumnwiseStr, MagmaRowwiseStr };
printf(" M N K storev side direct trans ||R||_F / ||HC||_F\n");
printf("==================================================================================\n");
for( int istor = 0; istor < 2; ++istor ) {
for( int iside = 0; iside < 2; ++iside ) {
for( int idir = 0; idir < 2; ++idir ) {
for( int itran = 0; itran < 2; ++itran ) {
//printf( "# ----------\n" );
//printf( "# %-10s %-10s %-10s %-10s\n", storev[istor], side[iside], direct[idir], trans[itran] );
// C is full
size = ldc*n;
lapackf77_clarnv( &ione, iseed, &size, C );
//printf( "C=" ); magma_cprint( m, n, C, ldc );
// V is ldv x nv. See larfb docs for description.
ldv = (*side[iside] == 'L' ? m : n);
nv = k;
size = ldv*nv;
lapackf77_clarnv( &ione, iseed, &size, V );
if ( *storev[istor] == MagmaColumnwise ) {
if ( *direct[idir] == MagmaForward ) {
lapackf77_claset( MagmaUpperStr, &k, &k, &c_zero, &c_one, V, &ldv );
}
else {
lapackf77_claset( MagmaLowerStr, &k, &k, &c_zero, &c_one, &V[(ldv-k)], &ldv );
}
}
else {
// rowwise, swap V's dimensions
std::swap( ldv, nv );
if ( *direct[idir] == MagmaForward ) {
lapackf77_claset( MagmaLowerStr, &k, &k, &c_zero, &c_one, V, &ldv );
}
else {
lapackf77_claset( MagmaUpperStr, &k, &k, &c_zero, &c_one, &V[(nv-k)*ldv], &ldv );
}
}
//printf( "# ldv %d, nv %d\n", ldv, nv );
//printf( "V=" ); magma_cprint( ldv, nv, V, ldv );
// T is upper triangular for forward, and lower triangular for backward
magma_int_t k1 = k-1;
size = ldt*k;
lapackf77_clarnv( &ione, iseed, &size, T );
if ( *direct[idir] == MagmaForward ) {
lapackf77_claset( MagmaLowerStr, &k1, &k1, &c_zero, &c_zero, &T[1], &ldt );
}
else {
lapackf77_claset( MagmaUpperStr, &k1, &k1, &c_zero, &c_zero, &T[1*ldt], &ldt );
}
//printf( "T=" ); magma_cprint( k, k, T, ldt );
magma_csetmatrix( m, n, C, ldc, dC, ldc );
magma_csetmatrix( ldv, nv, V, ldv, dV, ldv );
magma_csetmatrix( k, k, T, ldt, dT, ldt );
lapackf77_clarfb( side[iside], trans[itran], direct[idir], storev[istor],
&m, &n, &k,
V, &ldv, T, &ldt, C, &ldc, W, &ldw );
//printf( "HC=" ); magma_cprint( m, n, C, ldc );
magma_clarfb_gpu( *side[iside], *trans[itran], *direct[idir], *storev[istor],
m, n, k,
dV, ldv, dT, ldt, dC, ldc, dW, ldw );
magma_cgetmatrix( m, n, dC, ldc, R, ldc );
//printf( "dHC=" ); magma_cprint( m, n, R, ldc );
// compute relative error |HC_magma - HC_lapack| / |HC_lapack|
error = lapackf77_clange( "Fro", &m, &n, C, &ldc, work );
size = ldc*n;
blasf77_caxpy( &size, &c_neg_one, C, &ione, R, &ione );
error = lapackf77_clange( "Fro", &m, &n, R, &ldc, work ) / error;
printf( "%5d %5d %5d %-10s %-10s %-10s %-10s %8.2e\n",
(int) m, (int) n, (int) k,
storev[istor], side[iside], direct[idir], trans[itran], error );
}}}}
// Memory clean up
TESTING_FREE( C );
TESTING_FREE( R );
TESTING_FREE( V );
TESTING_FREE( T );
TESTING_FREE( W );
TESTING_DEVFREE( dC );
TESTING_DEVFREE( dV );
TESTING_DEVFREE( dT );
TESTING_DEVFREE( dW );
// Shutdown
TESTING_CUDA_FINALIZE();
return 0;
}
int main( int argc, char** argv)
{
#define hA(i,j) (hA + (i) + (j)*lda)
TESTING_CUDA_INIT();
cuDoubleComplex c_zero = MAGMA_Z_ZERO;
cuDoubleComplex c_one = MAGMA_Z_ONE;
cuDoubleComplex *hA, *hR, *dA;
//real_Double_t gpu_time, gpu_perf;
//int ione = 1;
//int ISEED[4] = {0, 0, 0, 1};
int nsize[] = { 32, 64, 96, 256, 100, 200, 512 };
int ntest = sizeof(nsize) / sizeof(int);
int n = nsize[ntest-1];
int lda = ((n + 31)/32)*32;
int ntile, nb;
TESTING_MALLOC ( hA, cuDoubleComplex, lda*n );
TESTING_MALLOC ( hR, cuDoubleComplex, lda*n );
TESTING_DEVALLOC ( dA, cuDoubleComplex, lda*n );
for( int t = 0; t < ntest; ++t ) {
n = nsize[t];
lda = ((n + 31)/32)*32;
// initialize matrices; entries are (i.j) for A
double nf = 100.;
for( int j = 0; j < n; ++j ) {
// upper
for( int i = 0; i < j; ++i ) {
*hA(i,j) = MAGMA_Z_MAKE( (i + j/nf)/nf, 0. );
}
// lower
for( int i = j; i < n; ++i ) {
*hA(i,j) = MAGMA_Z_MAKE( i + j/nf, 0. );
}
}
printf( "A%d = ", n );
magma_zprint( n, n, hA, lda );
magma_zsetmatrix( n, n, hA, lda, dA, lda );
magmablas_zsymmetrize( MagmaLower, n, dA, lda );
magma_zgetmatrix( n, n, dA, lda, hR, lda );
printf( "L%d = ", n );
magma_zprint( n, n, hR, lda );
magma_zsetmatrix( n, n, hA, lda, dA, lda );
magmablas_zsymmetrize( MagmaUpper, n, dA, lda );
magma_zgetmatrix( n, n, dA, lda, hR, lda );
printf( "U%d = ", n );
magma_zprint( n, n, hR, lda );
// -----
//lapackf77_zlaset( "u", &n, &n, &c_zero, &c_one, hA, &lda );
nb = 64;
ntile = n / nb;
magma_zsetmatrix( n, n, hA, lda, dA, lda );
magmablas_zsymmetrize_tiles( MagmaLower, nb, dA, lda, ntile, nb, nb );
magma_zgetmatrix( n, n, dA, lda, hR, lda );
printf( "L%d_%d = ", n, nb );
magma_zprint( n, n, hR, lda );
nb = 32;
ntile = n / nb;
magma_zsetmatrix( n, n, hA, lda, dA, lda );
magmablas_zsymmetrize_tiles( MagmaLower, nb, dA, lda, ntile, nb, nb );
magma_zgetmatrix( n, n, dA, lda, hR, lda );
printf( "L%d_%d = ", n, nb );
magma_zprint( n, n, hR, lda );
ntile = (n - nb < 0 ? 0 : (n - nb) / (2*nb) + 1);
magma_zsetmatrix( n, n, hA, lda, dA, lda );
magmablas_zsymmetrize_tiles( MagmaLower, nb, dA, lda, ntile, 2*nb, nb );
magma_zgetmatrix( n, n, dA, lda, hR, lda );
printf( "L%d_%d_2m = ", n, nb );
magma_zprint( n, n, hR, lda );
nb = 25;
ntile = n / nb;
magma_zsetmatrix( n, n, hA, lda, dA, lda );
magmablas_zsymmetrize_tiles( MagmaLower, nb, dA, lda, ntile, nb, nb );
magma_zgetmatrix( n, n, dA, lda, hR, lda );
printf( "L%d_%d = ", n, nb );
magma_zprint( n, n, hR, lda );
nb = 25;
ntile = (n - nb < 0 ? 0 : (n - nb) / (3*nb) + 1);
magma_zsetmatrix( n, n, hA, lda, dA, lda );
magmablas_zsymmetrize_tiles( MagmaLower, nb, dA, lda, ntile, nb, 3*nb );
magma_zgetmatrix( n, n, dA, lda, hR, lda );
printf( "L%d_%d_3n = ", n, nb );
magma_zprint( n, n, hR, lda );
nb = 100;
ntile = n / nb;
magma_zsetmatrix( n, n, hA, lda, dA, lda );
magmablas_zsymmetrize_tiles( MagmaLower, nb, dA, lda, ntile, nb, nb );
magmablas_zsymmetrize( MagmaLower, n%nb, &dA[ ntile*nb*(1+lda) ], lda ); // last partial block
magma_zgetmatrix( n, n, dA, lda, hR, lda );
printf( "L%d_%d = ", n, nb );
magma_zprint( n, n, hR, lda );
// -----
nb = 64;
ntile = n / nb;
magma_zsetmatrix( n, n, hA, lda, dA, lda );
magmablas_zsymmetrize_tiles( MagmaUpper, nb, dA, lda, ntile, nb, nb );
magma_zgetmatrix( n, n, dA, lda, hR, lda );
printf( "U%d_%d = ", n, nb );
magma_zprint( n, n, hR, lda );
}
TESTING_FREE( hA );
TESTING_FREE( hR );
TESTING_DEVFREE( dA );
/* Shutdown */
TESTING_CUDA_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing zgemm
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, magma_perf, magma_time, cublas_perf, cublas_time, cpu_perf, cpu_time;
double magma_error, cublas_error, Cnorm, work[1];
magma_int_t M, N, K;
magma_int_t Am, An, Bm, Bn;
magma_int_t sizeA, sizeB, sizeC;
magma_int_t lda, ldb, ldc, ldda, lddb, lddc;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magmaDoubleComplex *h_A, *h_B, *h_C, *h_Cmagma, *h_Ccublas;
magmaDoubleComplex *d_A, *d_B, *d_C;
magmaDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magmaDoubleComplex alpha = MAGMA_Z_MAKE( 0.29, -0.86 );
magmaDoubleComplex beta = MAGMA_Z_MAKE( -0.48, 0.38 );
magma_opts opts;
parse_opts( argc, argv, &opts );
printf("If running lapack (option --lapack), MAGMA and CUBLAS error are both computed\n"
"relative to CPU BLAS result. Else, MAGMA error is computed relative to CUBLAS result.\n\n"
"transA = %c, transB = %c\n", opts.transA, opts.transB );
printf(" M N K MAGMA Gflop/s (ms) CUBLAS Gflop/s (ms) CPU Gflop/s (ms) MAGMA error CUBLAS error\n");
printf("=========================================================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[i];
N = opts.nsize[i];
K = opts.ksize[i];
gflops = FLOPS_ZGEMM( M, N, K ) / 1e9;
if ( opts.transA == MagmaNoTrans ) {
lda = Am = M;
An = K;
} else {
lda = Am = K;
An = M;
}
if ( opts.transB == MagmaNoTrans ) {
ldb = Bm = K;
Bn = N;
} else {
ldb = Bm = N;
Bn = K;
}
ldc = M;
ldda = ((lda+31)/32)*32;
lddb = ((ldb+31)/32)*32;
lddc = ((ldc+31)/32)*32;
sizeA = lda*An;
sizeB = ldb*Bn;
sizeC = ldc*N;
TESTING_MALLOC( h_A, magmaDoubleComplex, lda*An );
TESTING_MALLOC( h_B, magmaDoubleComplex, ldb*Bn );
TESTING_MALLOC( h_C, magmaDoubleComplex, ldc*N );
TESTING_MALLOC( h_Cmagma, magmaDoubleComplex, ldc*N );
TESTING_MALLOC( h_Ccublas, magmaDoubleComplex, ldc*N );
TESTING_DEVALLOC( d_A, magmaDoubleComplex, ldda*An );
TESTING_DEVALLOC( d_B, magmaDoubleComplex, lddb*Bn );
TESTING_DEVALLOC( d_C, magmaDoubleComplex, lddc*N );
/* Initialize the matrices */
lapackf77_zlarnv( &ione, ISEED, &sizeA, h_A );
lapackf77_zlarnv( &ione, ISEED, &sizeB, h_B );
lapackf77_zlarnv( &ione, ISEED, &sizeC, h_C );
/* =====================================================================
Performs operation using MAGMA-BLAS
=================================================================== */
magma_zsetmatrix( Am, An, h_A, lda, d_A, ldda );
magma_zsetmatrix( Bm, Bn, h_B, ldb, d_B, lddb );
magma_zsetmatrix( M, N, h_C, ldc, d_C, lddc );
magma_time = magma_sync_wtime( NULL );
magmablas_zgemm( opts.transA, opts.transB, M, N, K,
alpha, d_A, ldda,
d_B, lddb,
beta, d_C, lddc );
magma_time = magma_sync_wtime( NULL ) - magma_time;
magma_perf = gflops / magma_time;
magma_zgetmatrix( M, N, d_C, lddc, h_Cmagma, ldc );
/* =====================================================================
Performs operation using CUDA-BLAS
=================================================================== */
magma_zsetmatrix( M, N, h_C, ldc, d_C, lddc );
cublas_time = magma_sync_wtime( NULL );
cublasZgemm( opts.transA, opts.transB, M, N, K,
alpha, d_A, ldda,
d_B, lddb,
beta, d_C, lddc );
cublas_time = magma_sync_wtime( NULL ) - cublas_time;
cublas_perf = gflops / cublas_time;
magma_zgetmatrix( M, N, d_C, lddc, h_Ccublas, ldc );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
if ( opts.lapack ) {
cpu_time = magma_wtime();
blasf77_zgemm( &opts.transA, &opts.transB, &M, &N, &K,
&alpha, h_A, &lda,
h_B, &ldb,
&beta, h_C, &ldc );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
}
/* =====================================================================
Check the result
=================================================================== */
if ( opts.lapack ) {
// compute relative error for both magma & cublas, relative to lapack,
// |C_magma - C_lapack| / |C_lapack|
Cnorm = lapackf77_zlange( "M", &M, &N, h_C, &ldc, work );
blasf77_zaxpy( &sizeC, &c_neg_one, h_C, &ione, h_Cmagma, &ione );
magma_error = lapackf77_zlange( "M", &M, &N, h_Cmagma, &ldc, work ) / Cnorm;
blasf77_zaxpy( &sizeC, &c_neg_one, h_C, &ione, h_Ccublas, &ione );
cublas_error = lapackf77_zlange( "M", &M, &N, h_Ccublas, &ldc, work ) / Cnorm;
printf("%5d %5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %8.2e\n",
(int) M, (int) N, (int) K,
magma_perf, 1000.*magma_time,
cublas_perf, 1000.*cublas_time,
cpu_perf, 1000.*cpu_time,
magma_error, cublas_error );
}
else {
// compute relative error for magma, relative to cublas
Cnorm = lapackf77_zlange( "M", &M, &N, h_Ccublas, &ldc, work );
blasf77_zaxpy( &sizeC, &c_neg_one, h_Ccublas, &ione, h_Cmagma, &ione );
magma_error = lapackf77_zlange( "M", &M, &N, h_Cmagma, &ldc, work ) / Cnorm;
printf("%5d %5d %5d %7.2f (%7.2f) %7.2f (%7.2f) --- ( --- ) %8.2e ---\n",
(int) M, (int) N, (int) K,
magma_perf, 1000.*magma_time,
cublas_perf, 1000.*cublas_time,
magma_error );
}
TESTING_FREE( h_A );
TESTING_FREE( h_B );
TESTING_FREE( h_C );
TESTING_FREE( h_Cmagma );
TESTING_FREE( h_Ccublas );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( d_B );
TESTING_DEVFREE( d_C );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing zlarfb_gpu
*/
int main( int argc, char** argv )
{
TESTING_INIT();
magmaDoubleComplex c_zero = MAGMA_Z_ZERO;
magmaDoubleComplex c_one = MAGMA_Z_ONE;
magmaDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magma_int_t M, N, K, size, ldc, ldv, ldt, ldw, nv;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
double error, work[1];
// test all combinations of input parameters
const char side[] = { MagmaLeft, MagmaRight };
const char trans[] = { MagmaConjTrans, MagmaNoTrans };
const char direct[] = { MagmaForward, MagmaBackward };
const char storev[] = { MagmaColumnwise, MagmaRowwise };
magma_opts opts;
parse_opts( argc, argv, &opts );
printf(" M N K storev side direct trans ||R||_F / ||HC||_F\n");
printf("========================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
M = opts.msize[i];
N = opts.nsize[i];
K = opts.ksize[i];
if ( M < K || N < K || K <= 0 ) {
printf( "skipping M %d, N %d, K %d; requires M >= K, N >= K, K >= 0.\n", (int) M, (int) N, (int) K );
continue;
}
for( int istor = 0; istor < 2; ++istor ) {
for( int iside = 0; iside < 2; ++iside ) {
for( int idir = 0; idir < 2; ++idir ) {
for( int itran = 0; itran < 2; ++itran ) {
ldc = ((M+31)/32)*32;
ldt = ((K+31)/32)*32;
ldw = (side[iside] == MagmaLeft ? N : M);
// (ldv, nv) get swapped later if rowwise
ldv = (side[iside] == MagmaLeft ? M : N);
nv = K;
// Allocate memory for matrices
magmaDoubleComplex *C, *R, *V, *T, *W;
TESTING_MALLOC( C, magmaDoubleComplex, ldc*N );
TESTING_MALLOC( R, magmaDoubleComplex, ldc*N );
TESTING_MALLOC( V, magmaDoubleComplex, ldv*K );
TESTING_MALLOC( T, magmaDoubleComplex, ldt*K );
TESTING_MALLOC( W, magmaDoubleComplex, ldw*K );
magmaDoubleComplex *dC, *dV, *dT, *dW;
TESTING_DEVALLOC( dC, magmaDoubleComplex, ldc*N );
TESTING_DEVALLOC( dV, magmaDoubleComplex, ldv*K );
TESTING_DEVALLOC( dT, magmaDoubleComplex, ldt*K );
TESTING_DEVALLOC( dW, magmaDoubleComplex, ldw*K );
// C is M x N.
size = ldc*N;
lapackf77_zlarnv( &ione, ISEED, &size, C );
//printf( "C=" ); magma_zprint( M, N, C, ldc );
// V is ldv x nv. See larfb docs for description.
// if column-wise and left, M x K
// if column-wise and right, N x K
// if row-wise and left, K x M
// if row-wise and right, K x N
size = ldv*nv;
lapackf77_zlarnv( &ione, ISEED, &size, V );
if ( storev[istor] == MagmaColumnwise ) {
if ( direct[idir] == MagmaForward ) {
lapackf77_zlaset( MagmaUpperStr, &K, &K, &c_zero, &c_one, V, &ldv );
}
else {
lapackf77_zlaset( MagmaLowerStr, &K, &K, &c_zero, &c_one, &V[(ldv-K)], &ldv );
}
}
else {
// rowwise, swap V's dimensions
std::swap( ldv, nv );
if ( direct[idir] == MagmaForward ) {
lapackf77_zlaset( MagmaLowerStr, &K, &K, &c_zero, &c_one, V, &ldv );
}
else {
lapackf77_zlaset( MagmaUpperStr, &K, &K, &c_zero, &c_one, &V[(nv-K)*ldv], &ldv );
}
}
//printf( "# ldv %d, nv %d\n", ldv, nv );
//printf( "V=" ); magma_zprint( ldv, nv, V, ldv );
// T is K x K, upper triangular for forward, and lower triangular for backward
magma_int_t k1 = K-1;
size = ldt*K;
lapackf77_zlarnv( &ione, ISEED, &size, T );
if ( direct[idir] == MagmaForward ) {
lapackf77_zlaset( MagmaLowerStr, &k1, &k1, &c_zero, &c_zero, &T[1], &ldt );
}
else {
lapackf77_zlaset( MagmaUpperStr, &k1, &k1, &c_zero, &c_zero, &T[1*ldt], &ldt );
}
//printf( "T=" ); magma_zprint( K, K, T, ldt );
magma_zsetmatrix( M, N, C, ldc, dC, ldc );
magma_zsetmatrix( ldv, nv, V, ldv, dV, ldv );
magma_zsetmatrix( K, K, T, ldt, dT, ldt );
lapackf77_zlarfb( &side[iside], &trans[itran], &direct[idir], &storev[istor],
&M, &N, &K,
V, &ldv, T, &ldt, C, &ldc, W, &ldw );
//printf( "HC=" ); magma_zprint( M, N, C, ldc );
magma_zlarfb_gpu( side[iside], trans[itran], direct[idir], storev[istor],
M, N, K,
dV, ldv, dT, ldt, dC, ldc, dW, ldw );
magma_zgetmatrix( M, N, dC, ldc, R, ldc );
//printf( "dHC=" ); magma_zprint( M, N, R, ldc );
// compute relative error |HC_magma - HC_lapack| / |HC_lapack|
error = lapackf77_zlange( "Fro", &M, &N, C, &ldc, work );
size = ldc*N;
blasf77_zaxpy( &size, &c_neg_one, C, &ione, R, &ione );
error = lapackf77_zlange( "Fro", &M, &N, R, &ldc, work ) / error;
printf( "%5d %5d %5d %c %c %c %c %8.2e\n",
(int) M, (int) N, (int) K,
storev[istor], side[iside], direct[idir], trans[itran], error );
TESTING_FREE( C );
TESTING_FREE( R );
TESTING_FREE( V );
TESTING_FREE( T );
TESTING_FREE( W );
TESTING_DEVFREE( dC );
TESTING_DEVFREE( dV );
TESTING_DEVFREE( dT );
TESTING_DEVFREE( dW );
}}}}
printf( "\n" );
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing cunmqr_gpu
*/
int main( int argc, char** argv )
{
TESTING_INIT();
real_Double_t gflops, gpu_perf, gpu_time, cpu_perf, cpu_time;
float error, work[1];
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magma_int_t ione = 1;
magma_int_t m, n, k, size, info;
magma_int_t ISEED[4] = {0,0,0,1};
magma_int_t nb, ldc, lda, lwork, lwork_max, dt_size;
magmaFloatComplex *C, *R, *A, *W, *tau;
magmaFloatComplex *dC, *dA, *dT;
magma_opts opts;
parse_opts( argc, argv, &opts );
// test all combinations of input parameters
const char* side[] = { MagmaLeftStr, MagmaRightStr };
const char* trans[] = { MagmaConjTransStr, MagmaNoTransStr };
printf(" M N K side trans CPU GFlop/s (sec) GPU GFlop/s (sec) ||R||_F / ||QC||_F\n");
printf("===============================================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iside = 0; iside < 2; ++iside ) {
for( int itran = 0; itran < 2; ++itran ) {
m = opts.msize[i];
n = opts.nsize[i];
k = opts.ksize[i];
nb = magma_get_cgeqrf_nb( m );
ldc = ((m + 31)/32)*32;
lda = ((max(m,n) + 31)/32)*32;
gflops = FLOPS_CUNMQR( m, n, k, *side[iside] ) / 1e9;
if ( *side[iside] == 'L' && m < k ) {
printf( "%5d %5d %5d %-5s %-9s skipping because side=left and m < k\n",
(int) m, (int) n, (int) k, side[iside], trans[itran] );
continue;
}
if ( *side[iside] == 'R' && n < k ) {
printf( "%5d %5d %5d %-5s %-9s skipping because side=right and n < k\n",
(int) m, (int) n, (int) k, side[iside], trans[itran] );
continue;
}
if ( *side[iside] == 'L' ) {
// side = left
lwork_max = (m - k + nb)*(n + nb) + n*nb;
dt_size = ( 2*min(m,k) + ((k + 31)/32)*32 )*nb;
}
else {
// side = right
lwork_max = (n - k + nb)*(m + nb) + m*nb;
dt_size = ( 2*min(n,k) + ((k + 31)/32)*32 )*nb;
}
TESTING_MALLOC( C, magmaFloatComplex, ldc*n );
TESTING_MALLOC( R, magmaFloatComplex, ldc*n );
TESTING_MALLOC( A, magmaFloatComplex, lda*k );
TESTING_MALLOC( W, magmaFloatComplex, lwork_max );
TESTING_MALLOC( tau, magmaFloatComplex, k );
TESTING_DEVALLOC( dC, magmaFloatComplex, ldc*n );
TESTING_DEVALLOC( dA, magmaFloatComplex, lda*k );
TESTING_DEVALLOC( dT, magmaFloatComplex, dt_size );
// C is full, m x n
size = ldc*n;
lapackf77_clarnv( &ione, ISEED, &size, C );
magma_csetmatrix( m, n, C, ldc, dC, ldc );
// A is m x k (left) or n x k (right)
lda = (*side[iside] == 'L' ? m : n);
size = lda*k;
lapackf77_clarnv( &ione, ISEED, &size, A );
// compute QR factorization to get Householder vectors in dA, tau, dT
magma_csetmatrix( lda, k, A, lda, dA, lda );
magma_cgeqrf_gpu( lda, k, dA, lda, tau, dT, &info );
magma_cgetmatrix( lda, k, dA, lda, A, lda );
if (info != 0)
printf("magma_cgeqrf_gpu returned error %d: %s.\n",
(int) info, magma_strerror( info ));
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
cpu_time = magma_wtime();
lapackf77_cunmqr( side[iside], trans[itran],
&m, &n, &k,
A, &lda, tau, C, &ldc, W, &lwork_max, &info );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
if (info != 0)
printf("lapackf77_cunmqr returned error %d: %s.\n",
(int) info, magma_strerror( info ));
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
// query for work size
lwork = -1;
magma_cunmqr_gpu( *side[iside], *trans[itran],
m, n, k,
dA, lda, tau, dC, ldc, W, lwork, dT, nb, &info );
if (info != 0)
printf("magma_cunmqr_gpu (lwork query) returned error %d: %s.\n",
(int) info, magma_strerror( info ));
lwork = (magma_int_t) MAGMA_C_REAL( W[0] );
if ( lwork < 0 || lwork > lwork_max )
printf("invalid lwork %d, lwork_max %d\n", (int) lwork, (int) lwork_max );
gpu_time = magma_sync_wtime( 0 ); // sync needed for L,N and R,T cases
magma_cunmqr_gpu( *side[iside], *trans[itran],
m, n, k,
dA, lda, tau, dC, ldc, W, lwork, dT, nb, &info );
gpu_time = magma_sync_wtime( 0 ) - gpu_time;
gpu_perf = gflops / gpu_time;
if (info != 0)
printf("magma_cunmqr_gpu returned error %d: %s.\n",
(int) info, magma_strerror( info ));
magma_cgetmatrix( m, n, dC, ldc, R, ldc );
/* =====================================================================
compute relative error |QC_magma - QC_lapack| / |QC_lapack|
=================================================================== */
error = lapackf77_clange( "Fro", &m, &n, C, &ldc, work );
size = ldc*n;
blasf77_caxpy( &size, &c_neg_one, C, &ione, R, &ione );
error = lapackf77_clange( "Fro", &m, &n, R, &ldc, work ) / error;
printf( "%5d %5d %5d %-5s %-9s %7.2f (%7.2f) %7.2f (%7.2f) %8.2e\n",
(int) m, (int) n, (int) k, side[iside], trans[itran],
cpu_perf, cpu_time, gpu_perf, gpu_time, error );
TESTING_FREE( C );
TESTING_FREE( R );
TESTING_FREE( A );
TESTING_FREE( W );
TESTING_FREE( tau );
TESTING_DEVFREE( dC );
TESTING_DEVFREE( dA );
TESTING_DEVFREE( dT );
}} // end iside, itran
printf( "\n" );
}
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing zgeqrs
*/
int main( int argc, char** argv)
{
TESTING_INIT();
real_Double_t gflops, gpu_perf, gpu_time, cpu_perf, cpu_time;
double gpu_error, cpu_error, matnorm, work[1];
magmaDoubleComplex c_one = MAGMA_Z_ONE;
magmaDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magmaDoubleComplex *h_A, *h_A2, *h_B, *h_X, *h_R, *tau, *h_work, tmp[1];
magmaDoubleComplex *d_A, *d_B;
magma_int_t M, N, n2, nrhs, lda, ldb, ldda, lddb, min_mn, max_mn, nb, info;
magma_int_t lworkgpu, lhwork, lhwork2;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_opts opts;
parse_opts( argc, argv, &opts );
magma_int_t status = 0;
double tol = opts.tolerance * lapackf77_dlamch("E");
nrhs = opts.nrhs;
printf(" ||b-Ax|| / (N||A||)\n");
printf(" M N NRHS CPU GFlop/s (sec) GPU GFlop/s (sec) CPU GPU \n");
printf("===============================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[i];
N = opts.nsize[i];
if ( M < N ) {
printf( "skipping M=%d, N=%d because M < N is not yet supported.\n", (int) M, (int) N );
continue;
}
min_mn = min(M, N);
max_mn = max(M, N);
lda = M;
ldb = max_mn;
n2 = lda*N;
ldda = ((M+31)/32)*32;
lddb = ((max_mn+31)/32)*32;
nb = magma_get_zgeqrf_nb(M);
gflops = (FLOPS_ZGEQRF( M, N ) + FLOPS_ZGEQRS( M, N, nrhs )) / 1e9;
// query for workspace size
lworkgpu = (M - N + nb)*(nrhs + nb) + nrhs*nb;
lhwork = -1;
lapackf77_zgeqrf(&M, &N, h_A, &M, tau, tmp, &lhwork, &info);
lhwork2 = (magma_int_t) MAGMA_Z_REAL( tmp[0] );
lhwork = -1;
lapackf77_zunmqr( MagmaLeftStr, MagmaConjTransStr,
&M, &nrhs, &min_mn, h_A, &lda, tau,
h_X, &ldb, tmp, &lhwork, &info);
lhwork = (magma_int_t) MAGMA_Z_REAL( tmp[0] );
lhwork = max( max( lhwork, lhwork2 ), lworkgpu );
TESTING_MALLOC( tau, magmaDoubleComplex, min_mn );
TESTING_MALLOC( h_A, magmaDoubleComplex, lda*N );
TESTING_MALLOC( h_A2, magmaDoubleComplex, lda*N );
TESTING_MALLOC( h_B, magmaDoubleComplex, ldb*nrhs );
TESTING_MALLOC( h_X, magmaDoubleComplex, ldb*nrhs );
TESTING_MALLOC( h_R, magmaDoubleComplex, ldb*nrhs );
TESTING_MALLOC( h_work, magmaDoubleComplex, lhwork );
TESTING_DEVALLOC( d_A, magmaDoubleComplex, ldda*N );
TESTING_DEVALLOC( d_B, magmaDoubleComplex, lddb*nrhs );
/* Initialize the matrices */
lapackf77_zlarnv( &ione, ISEED, &n2, h_A );
lapackf77_zlacpy( MagmaUpperLowerStr, &M, &N, h_A, &lda, h_A2, &lda );
// make random RHS
n2 = M*nrhs;
lapackf77_zlarnv( &ione, ISEED, &n2, h_B );
lapackf77_zlacpy( MagmaUpperLowerStr, &M, &nrhs, h_B, &ldb, h_R, &ldb );
// make consistent RHS
//n2 = N*nrhs;
//lapackf77_zlarnv( &ione, ISEED, &n2, h_X );
//blasf77_zgemm( MagmaNoTransStr, MagmaNoTransStr, &M, &nrhs, &N,
// &c_one, h_A, &lda,
// h_X, &ldb,
// &c_zero, h_B, &ldb );
//lapackf77_zlacpy( MagmaUpperLowerStr, &M, &nrhs, h_B, &ldb, h_R, &ldb );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_zsetmatrix( M, N, h_A, lda, d_A, ldda );
magma_zsetmatrix( M, nrhs, h_B, ldb, d_B, lddb );
gpu_time = magma_wtime();
magma_zgels3_gpu( MagmaNoTrans, M, N, nrhs, d_A, ldda,
d_B, lddb, h_work, lworkgpu, &info);
gpu_time = magma_wtime() - gpu_time;
gpu_perf = gflops / gpu_time;
if (info != 0)
printf("magma_zgels returned error %d: %s.\n",
(int) info, magma_strerror( info ));
// Get the solution in h_X
magma_zgetmatrix( N, nrhs, d_B, lddb, h_X, ldb );
// compute the residual
blasf77_zgemm( MagmaNoTransStr, MagmaNoTransStr, &M, &nrhs, &N,
&c_neg_one, h_A, &lda,
h_X, &ldb,
&c_one, h_R, &ldb);
matnorm = lapackf77_zlange("f", &M, &N, h_A, &lda, work);
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
lapackf77_zlacpy( MagmaUpperLowerStr, &M, &nrhs, h_B, &ldb, h_X, &ldb );
cpu_time = magma_wtime();
lapackf77_zgels( MagmaNoTransStr, &M, &N, &nrhs,
h_A, &lda, h_X, &ldb, h_work, &lhwork, &info);
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
if (info != 0)
printf("lapackf77_zgels returned error %d: %s.\n",
(int) info, magma_strerror( info ));
blasf77_zgemm( MagmaNoTransStr, MagmaNoTransStr, &M, &nrhs, &N,
&c_neg_one, h_A2, &lda,
h_X, &ldb,
&c_one, h_B, &ldb);
cpu_error = lapackf77_zlange("f", &M, &nrhs, h_B, &ldb, work) / (min_mn*matnorm);
gpu_error = lapackf77_zlange("f", &M, &nrhs, h_R, &ldb, work) / (min_mn*matnorm);
printf("%5d %5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %8.2e",
(int) M, (int) N, (int) nrhs,
cpu_perf, cpu_time, gpu_perf, gpu_time, cpu_error, gpu_error );
printf("%s\n", (gpu_error < tol ? "" : " failed"));
status |= ! (gpu_error < tol);
TESTING_FREE( tau );
TESTING_FREE( h_A );
TESTING_FREE( h_A2 );
TESTING_FREE( h_B );
TESTING_FREE( h_X );
TESTING_FREE( h_R );
TESTING_FREE( h_work );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( d_B );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return status;
}
/* ////////////////////////////////////////////////////////////////////////////
-- Testing cgesv_gpu
*/
int main(int argc, char **argv)
{
TESTING_INIT();
real_Double_t gflops, cpu_perf, cpu_time, gpu_perf, gpu_time;
float error, Rnorm, Anorm, Xnorm, *work;
magmaFloatComplex c_one = MAGMA_C_ONE;
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magmaFloatComplex *h_A, *h_B, *h_X;
magmaFloatComplex *d_A, *d_B;
magma_int_t *ipiv;
magma_int_t N, nrhs, lda, ldb, ldda, lddb, info, sizeA, sizeB;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magma_int_t status = 0;
magma_opts opts;
parse_opts( argc, argv, &opts );
float tol = opts.tolerance * lapackf77_slamch("E");
nrhs = opts.nrhs;
printf(" N NRHS CPU GFlop/s (sec) GPU GFlop/s (sec) ||B - AX|| / N*||A||*||X||\n");
printf("================================================================================\n");
for( int i = 0; i < opts.ntest; ++i ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
N = opts.nsize[i];
lda = N;
ldb = lda;
ldda = ((N+31)/32)*32;
lddb = ldda;
gflops = ( FLOPS_CGETRF( N, N ) + FLOPS_CGETRS( N, nrhs ) ) / 1e9;
TESTING_MALLOC( h_A, magmaFloatComplex, lda*N );
TESTING_MALLOC( h_B, magmaFloatComplex, ldb*nrhs );
TESTING_MALLOC( h_X, magmaFloatComplex, ldb*nrhs );
TESTING_MALLOC( work, float, N );
TESTING_MALLOC( ipiv, magma_int_t, N );
TESTING_DEVALLOC( d_A, magmaFloatComplex, ldda*N );
TESTING_DEVALLOC( d_B, magmaFloatComplex, lddb*nrhs );
/* Initialize the matrices */
sizeA = lda*N;
sizeB = ldb*nrhs;
lapackf77_clarnv( &ione, ISEED, &sizeA, h_A );
lapackf77_clarnv( &ione, ISEED, &sizeB, h_B );
magma_csetmatrix( N, N, h_A, lda, d_A, ldda );
magma_csetmatrix( N, nrhs, h_B, ldb, d_B, lddb );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
gpu_time = magma_wtime();
magma_cgesv_gpu( N, nrhs, d_A, ldda, ipiv, d_B, lddb, &info );
gpu_time = magma_wtime() - gpu_time;
gpu_perf = gflops / gpu_time;
if (info != 0)
printf("magma_cgesv_gpu returned error %d: %s.\n",
(int) info, magma_strerror( info ));
//=====================================================================
// Residual
//=====================================================================
magma_cgetmatrix( N, nrhs, d_B, lddb, h_X, ldb );
Anorm = lapackf77_clange("I", &N, &N, h_A, &lda, work);
Xnorm = lapackf77_clange("I", &N, &nrhs, h_X, &ldb, work);
blasf77_cgemm( MagmaNoTransStr, MagmaNoTransStr, &N, &nrhs, &N,
&c_one, h_A, &lda,
h_X, &ldb,
&c_neg_one, h_B, &ldb);
Rnorm = lapackf77_clange("I", &N, &nrhs, h_B, &ldb, work);
error = Rnorm/(N*Anorm*Xnorm);
status |= ! (error < tol);
/* ====================================================================
Performs operation using LAPACK
=================================================================== */
if ( opts.lapack ) {
cpu_time = magma_wtime();
lapackf77_cgesv( &N, &nrhs, h_A, &lda, ipiv, h_B, &ldb, &info );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
if (info != 0)
printf("lapackf77_cgesv returned error %d: %s.\n",
(int) info, magma_strerror( info ));
printf( "%5d %5d %7.2f (%7.2f) %7.2f (%7.2f) %8.2e%s\n",
(int) N, (int) nrhs, cpu_perf, cpu_time, gpu_perf, gpu_time,
error, (error < tol ? "" : " failed"));
}
else {
printf( "%5d %5d --- ( --- ) %7.2f (%7.2f) %8.2e%s\n",
(int) N, (int) nrhs, gpu_perf, gpu_time,
error, (error < tol ? "" : " failed"));
}
TESTING_FREE( h_A );
TESTING_FREE( h_B );
TESTING_FREE( h_X );
TESTING_FREE( work );
TESTING_FREE( ipiv );
TESTING_DEVFREE( d_A );
TESTING_DEVFREE( d_B );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
TESTING_FINALIZE();
return status;
}
