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/*
-- MAGMA (version 2.9.0) --
Univ. of Tennessee, Knoxville
Univ. of California, Berkeley
Univ. of Colorado, Denver
@date January 2025
@generated from testing/testing_ztrmm_batched.cpp, normal z -> d, Wed Jan 22 14:40:42 2025
@author Chongxiao Cao
*/
// includes, system
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
// includes, project
#include "flops.h"
#include "magma_v2.h"
#include "magma_lapack.h"
#include "testings.h"
#if defined(_OPENMP)
#include <omp.h>
#include "../control/magma_threadsetting.h"
#endif
/* ////////////////////////////////////////////////////////////////////////////
-- Testing dtrmm_batched
*/
int main( int argc, char** argv)
{
TESTING_CHECK( magma_init() );
magma_print_environment();
real_Double_t gflops, magma_perf, magma_time, cpu_perf, cpu_time;
double error, magma_error, normalize, work[1];
magma_int_t M, N, NN;
magma_int_t Ak, Akk;
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};
double **dA_array, **dB_array;
double **hA_array, **hB_array;
double *h_A, *h_B, *h_Bmagma;
magmaDouble_ptr d_A, d_B;
double c_neg_one = MAGMA_D_NEG_ONE;
double alpha = MAGMA_D_MAKE( 0.29, -0.86 );
int status = 0;
magma_opts opts( MagmaOptsBatched );
opts.parse_opts( argc, argv );
opts.lapack |= opts.check; // check (-c) implies lapack (-l)
magma_int_t batchCount = opts.batchcount;
double *Anorm, *Bnorm;
TESTING_CHECK( magma_dmalloc_cpu( &Anorm, batchCount ));
TESTING_CHECK( magma_dmalloc_cpu( &Bnorm, batchCount ));
TESTING_CHECK( magma_malloc_cpu((void**)&hA_array, batchCount*sizeof(double*)) );
TESTING_CHECK( magma_malloc_cpu((void**)&hB_array, batchCount*sizeof(double*)) );
TESTING_CHECK( magma_malloc((void**)&dA_array, batchCount*sizeof(double*)) );
TESTING_CHECK( magma_malloc((void**)&dB_array, batchCount*sizeof(double*)) );
// See testing_dgemm about tolerance.
double eps = lapackf77_dlamch("E");
double tol = 3*eps;
printf("%% If running lapack (option --lapack), MAGMA error is computed\n"
"%% relative to CPU BLAS result.\n\n");
printf("%% side = %s, uplo = %s, transA = %s, diag = %s\n",
lapack_side_const(opts.side), lapack_uplo_const(opts.uplo),
lapack_trans_const(opts.transA), lapack_diag_const(opts.diag) );
printf("%% BatchCount M N MAGMA Gflop/s (ms) CPU Gflop/s (ms) MAGMA error\n");
printf("%%=============================================================================\n");
for( int itest = 0; itest < opts.ntest; ++itest ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[itest];
N = opts.nsize[itest];
gflops = batchCount * FLOPS_DTRMM(opts.side, M, N) / 1e9;
if ( opts.side == MagmaLeft ) {
lda = M;
Ak = M;
}
else {
lda = N;
Ak = N;
}
ldb = M;
Akk = Ak * batchCount;
NN = N * batchCount;
ldda = magma_roundup( lda, opts.align ); // multiple of 32 by default
lddb = magma_roundup( ldb, opts.align ); // multiple of 32 by default
sizeA = lda*Ak*batchCount;
sizeB = ldb*N*batchCount;
TESTING_CHECK( magma_dmalloc_cpu( &h_A, lda*Ak*batchCount ) );
TESTING_CHECK( magma_dmalloc_cpu( &h_B, ldb*N*batchCount ) );
TESTING_CHECK( magma_dmalloc_cpu( &h_Bmagma, ldb*N*batchCount ) );
TESTING_CHECK( magma_dmalloc( &d_A, ldda*Ak*batchCount ) );
TESTING_CHECK( magma_dmalloc( &d_B, lddb*N*batchCount ) );
/* Initialize the matrices */
lapackf77_dlarnv( &ione, ISEED, &sizeA, h_A );
lapackf77_dlarnv( &ione, ISEED, &sizeB, h_B );
// Compute norms for error
for (int s = 0; s < batchCount; ++s) {
Anorm[s] = lapackf77_dlantr( "F", lapack_uplo_const(opts.uplo),
lapack_diag_const(opts.diag),
&Ak, &Ak, &h_A[s*lda*Ak], &lda, work );
Bnorm[s] = lapackf77_dlange( "F", &M, &N, &h_B[s*ldb*N], &ldb, work );
}
/* =====================================================================
Performs operation using CUBLAS
=================================================================== */
magma_dsetmatrix( Ak, Akk, h_A, lda, d_A, ldda, opts.queue );
magma_dsetmatrix( M, NN, h_B, ldb, d_B, lddb, opts.queue );
magma_dset_pointer( dA_array, d_A, ldda, 0, 0, ldda*Ak, batchCount, opts.queue );
magma_dset_pointer( dB_array, d_B, lddb, 0, 0, lddb*N, batchCount, opts.queue );
magma_time = magma_sync_wtime( opts.queue );
magmablas_dtrmm_batched(
opts.side, opts.uplo, opts.transA, opts.diag,
M, N,
alpha, dA_array, ldda,
dB_array, lddb,
batchCount, opts.queue );
magma_time = magma_sync_wtime( opts.queue ) - magma_time;
magma_perf = gflops / magma_time;
magma_dgetmatrix( M, NN, d_B, lddb, h_Bmagma, ldb, opts.queue );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
if ( opts.lapack ) {
// populate pointer arrays on the host
for(int s = 0; s < batchCount; s++){
hA_array[s] = h_A+s*lda*Ak;
hB_array[s] = h_B+s*ldb*N;
}
cpu_time = magma_wtime();
blas_dtrmm_batched(
opts.side, opts.uplo, opts.transA, opts.diag,
M, N,
alpha, hA_array, lda,
hB_array, ldb, batchCount );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
}
/* =====================================================================
Check the result
=================================================================== */
if ( opts.lapack ) {
// compute error compared lapack
// error = |dB - B| / (gamma_{k}|A||Bin|); k = Ak; no beta
magma_error = 0;
for (int s = 0; s < batchCount; s++) {
normalize = sqrt(double(Ak))*Anorm[s]*Bnorm[s];
if (normalize == 0)
normalize = 1;
magma_int_t Bsize = ldb*N;
blasf77_daxpy( &Bsize, &c_neg_one, &h_B[s*ldb*N], &ione, &h_Bmagma[s*ldb*N], &ione );
error = lapackf77_dlange( "F", &M, &N, &h_Bmagma[s*ldb*N], &ldb, work )
/ normalize;
magma_error = magma_max_nan( error, magma_error );
}
bool okay = (magma_error < tol);
status += ! okay;
printf(" %10lld %5lld %5lld %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %s\n",
(long long)batchCount,
(long long)M, (long long)N,
magma_perf, 1000.*magma_time,
cpu_perf, 1000.*cpu_time,
magma_error, (okay ? "ok" : "failed"));
}
else {
printf(" %10lld %5lld %5lld %7.2f (%7.2f) --- ( --- ) ---\n",
(long long)batchCount,
(long long)M, (long long)N,
magma_perf, 1000.*magma_time);
}
magma_free_cpu( h_A );
magma_free_cpu( h_B );
magma_free_cpu( h_Bmagma );
magma_free( d_A );
magma_free( d_B );
fflush( stdout );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
magma_free_cpu( hA_array );
magma_free_cpu( hB_array );
magma_free( dA_array );
magma_free( dB_array );
magma_free_cpu( Anorm );
magma_free_cpu( Bnorm );
opts.cleanup();
TESTING_CHECK( magma_finalize() );
return status;
}
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