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/*
-- MAGMA (version 2.9.0) --
Univ. of Tennessee, Knoxville
Univ. of California, Berkeley
Univ. of Colorado, Denver
@date January 2025
@precisions normal z -> c d s
@author Mark Gates
*/
// includes, system
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
// includes, project
#include "magma_v2.h"
#include "magma_lapack.h"
#include "testings.h"
/* ////////////////////////////////////////////////////////////////////////////
-- Testing zlacpy_batched
Code is very similar to testing_zgeadd_batched.cpp
*/
int main( int argc, char** argv)
{
TESTING_CHECK( magma_init() );
magma_print_environment();
real_Double_t gbytes, gpu_perf, gpu_time, cpu_perf, cpu_time;
double error, work[1];
magmaDoubleComplex c_neg_one = MAGMA_Z_NEG_ONE;
magmaDoubleComplex *h_A, *h_B, *h_R;
magmaDoubleComplex_ptr d_A, d_B;
magmaDoubleComplex **hA_array, **hB_array, **dA_array, **dB_array;
magma_int_t M, N, sizeA, sizeB, lda, ldda, ldb, lddb;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
int status = 0;
magma_opts opts( MagmaOptsBatched );
opts.parse_opts( argc, argv );
magma_int_t batchCount = opts.batchcount;
magma_uplo_t uplo[] = { MagmaLower, MagmaUpper, MagmaFull };
printf("%% BatchCount uplo M N CPU GByte/s (ms) GPU GByte/s (ms) check\n");
printf("%%===============================================================================\n");
for( int iuplo = 0; iuplo < 3; ++iuplo ) {
for( int itest = 0; itest < opts.ntest; ++itest ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[itest];
N = opts.nsize[itest];
lda = M;
ldb = lda;
ldda = magma_roundup( M, opts.align ); // multiple of 32 by default
lddb = ldda;
sizeA = batchCount*lda*N;
sizeB = batchCount*ldb*N;
if ( uplo[iuplo] == MagmaLower ) {
// load & save lower trapezoid (with diagonal)
if ( M > N ) {
gbytes = batchCount * 2. * sizeof(magmaDoubleComplex) * (1.*M*N - 0.5*N*(N-1)) / 1e9;
} else {
gbytes = batchCount * 2. * sizeof(magmaDoubleComplex) * 0.5*M*(M+1) / 1e9;
}
}
else if ( uplo[iuplo] == MagmaUpper ) {
// load & save upper trapezoid (with diagonal)
if ( N > M ) {
gbytes = batchCount * 2. * sizeof(magmaDoubleComplex) * (1.*M*N - 0.5*M*(M-1)) / 1e9;
} else {
gbytes = batchCount * 2. * sizeof(magmaDoubleComplex) * 0.5*N*(N+1) / 1e9;
}
}
else {
// load & save entire matrix
gbytes = batchCount * 2. * sizeof(magmaDoubleComplex) * 1.*M*N / 1e9;
}
TESTING_CHECK( magma_zmalloc_cpu( &h_A, batchCount * lda * N ));
TESTING_CHECK( magma_zmalloc_cpu( &h_B, batchCount * ldb * N ));
TESTING_CHECK( magma_zmalloc_cpu( &h_R, batchCount * ldb * N ));
TESTING_CHECK( magma_zmalloc( &d_A, batchCount * ldda*N ));
TESTING_CHECK( magma_zmalloc( &d_B, batchCount * ldda*N ));
TESTING_CHECK( magma_malloc( (void**) &dA_array, batchCount*sizeof(magmaDoubleComplex*) ));
TESTING_CHECK( magma_malloc( (void**) &dB_array, batchCount*sizeof(magmaDoubleComplex*) ));
TESTING_CHECK( magma_malloc_cpu( (void**) &hA_array, batchCount * sizeof(magmaDoubleComplex*) ));
TESTING_CHECK( magma_malloc_cpu( (void**) &hB_array, batchCount * sizeof(magmaDoubleComplex*) ));
lapackf77_zlarnv( &ione, ISEED, &sizeA, h_A );
lapackf77_zlarnv( &ione, ISEED, &sizeB, h_B );
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_zsetmatrix( M, N*batchCount, h_A, lda, d_A, ldda, opts.queue );
magma_zsetmatrix( M, N*batchCount, h_B, ldb, d_B, lddb, opts.queue );
// setup pointers
magma_zset_pointer( dA_array, d_A, ldda, 0, 0, ldda*N, batchCount, opts.queue );
magma_zset_pointer( dB_array, d_B, lddb, 0, 0, lddb*N, batchCount, opts.queue );
gpu_time = magma_sync_wtime( opts.queue );
magmablas_zlacpy_batched( uplo[iuplo], M, N, dA_array, ldda, dB_array, lddb, batchCount, opts.queue );
gpu_time = magma_sync_wtime( opts.queue ) - gpu_time;
gpu_perf = gbytes / gpu_time;
magma_zgetmatrix( M, N*batchCount, d_B, lddb, h_R, ldb, opts.queue );
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
for(int s = 0; s < batchCount; s++) {
hA_array[s] = h_A + s * lda * N;
hB_array[s] = h_B + s * ldb * N;
}
cpu_time = magma_wtime();
blas_zlacpy_batched(uplo[iuplo], M, N, hA_array, lda, hB_array, ldb, batchCount );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gbytes / cpu_time;
/* =====================================================================
Check the result
=================================================================== */
magma_int_t NN = batchCount*N;
blasf77_zaxpy(&sizeB, &c_neg_one, h_B, &ione, h_R, &ione);
error = lapackf77_zlange("f", &M, &NN, h_R, &ldb, work);
bool okay = (error == 0);
status += ! okay;
printf("%10lld %7s %5lld %5lld %7.2f (%7.2f) %7.2f (%7.2f) %s\n",
(long long) batchCount, lapack_uplo_const(uplo[iuplo]),
(long long) M, (long long) N,
cpu_perf, cpu_time*1000., gpu_perf, gpu_time*1000.,
(okay ? "ok" : "failed") );
magma_free_cpu( h_A );
magma_free_cpu( h_B );
magma_free_cpu( h_R );
magma_free( d_A );
magma_free( d_B );
magma_free_cpu( hA_array );
magma_free_cpu( hB_array );
magma_free( dA_array );
magma_free( dB_array );
fflush( stdout );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
printf("\n");
}
opts.cleanup();
TESTING_CHECK( magma_finalize() );
return status;
}
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