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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_zhemm.cpp, normal z -> s, Wed Jan 22 14:40:19 2025
*/
// 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 "magma_operators.h"
#include "testings.h"
/* ////////////////////////////////////////////////////////////////////////////
-- Testing ssymm_batched
*/
int main( int argc, char** argv)
{
TESTING_CHECK( magma_init() );
magma_print_environment();
real_Double_t gflops, magma_perf, magma_time, dev_perf, dev_time, cpu_perf, cpu_time;
float magma_error, dev_error, normalize, work[1];
magma_int_t M, N;
magma_int_t An;
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};
int status = 0;
float *hA, *hB, *hC, *hCmagma, *hCdev;
float *dA, *dB, *dC;
float c_neg_one = MAGMA_S_NEG_ONE;
float alpha = MAGMA_S_MAKE( 0.29, -0.86 );
float beta = MAGMA_S_MAKE( -0.48, 0.38 );
magma_opts opts;
opts.parse_opts( argc, argv );
float Anorm, Bnorm, Cnorm;
// See testing_sgemm about tolerance.
float eps = lapackf77_slamch("E");
float tol = 3*eps;
#ifdef MAGMA_HAVE_CUDA
// for CUDA, we can check MAGMA vs. CUBLAS, without running LAPACK
printf("%% If running lapack (option --lapack), MAGMA and %s errors are both computed\n"
"%% relative to CPU BLAS result. Else, MAGMA error is computed relative to %s result.\n\n",
g_platform_str, g_platform_str );
printf("%% side = %s, uplo = %s\n",
lapack_side_const(opts.side), lapack_uplo_const(opts.uplo));
printf("%% M N MAGMA Gflop/s (ms) %s Gflop/s (ms) CPU Gflop/s (ms) MAGMA error %s error\n",
g_platform_str, g_platform_str);
#else
// for others, we need LAPACK for check
opts.lapack |= opts.check; // check (-c) implies lapack (-l)
printf("%% side = %s, uplo = %s\n",
lapack_side_const(opts.side), lapack_uplo_const(opts.uplo));
printf("%% M N MAGMA Gflop/s (ms) CPU Gflop/s (ms) MAGMA error\n");
#endif
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 = FLOPS_SSYMM(opts.side, M, N) / 1e9;
if ( opts.side == MagmaLeft ) {
lda = M;
An = M;
} else {
lda = N;
An = N;
}
ldb = ldc = M;
ldda = magma_roundup( lda, opts.align ); // multiple of 32 by default
lddb = magma_roundup( ldb, opts.align ); // multiple of 32 by default
lddc = magma_roundup( ldc, opts.align ); // multiple of 32 by default
sizeA = lda*An;
sizeB = ldb*N;
sizeC = ldc*N;
TESTING_CHECK( magma_smalloc_cpu(&hA, sizeA) );
TESTING_CHECK( magma_smalloc_cpu(&hB, sizeB) );
TESTING_CHECK( magma_smalloc_cpu(&hC, sizeC) );
TESTING_CHECK( magma_smalloc_cpu(&hCmagma, sizeC) );
TESTING_CHECK( magma_smalloc_cpu(&hCdev, sizeC) );
TESTING_CHECK( magma_smalloc(&dA, ldda*An) );
TESTING_CHECK( magma_smalloc(&dB, lddb*N ) );
TESTING_CHECK( magma_smalloc(&dC, lddc*N ) );
/* Initialize the matrices */
lapackf77_slarnv( &ione, ISEED, &sizeA, hA );
lapackf77_slarnv( &ione, ISEED, &sizeB, hB );
lapackf77_slarnv( &ione, ISEED, &sizeC, hC );
Anorm = safe_lapackf77_slansy( "F", lapack_uplo_const(opts.uplo), &An, hA, &lda, work );
Bnorm = lapackf77_slange( "F", &M, &N, hB, &ldb, work );
Cnorm = lapackf77_slange( "F", &M, &N, hC, &ldc, work );
magma_ssetmatrix( An, An, hA, lda, dA, ldda, opts.queue );
magma_ssetmatrix( M, N, hB, ldb, dB, lddb, opts.queue );
/* =====================================================================
Performs operation using MAGMABLAS
=================================================================== */
magma_ssetmatrix( M, N, hC, ldc, dC, lddc, opts.queue );
magma_time = magma_sync_wtime( opts.queue );
magmablas_ssymm(
opts.side, opts.uplo, M, N,
alpha, dA, ldda,
dB, lddb,
beta, dC, lddc, opts.queue );
magma_time = magma_sync_wtime( opts.queue ) - magma_time;
magma_perf = gflops / magma_time;
magma_sgetmatrix( M, N, dC, lddc, hCmagma, ldc, opts.queue );
/* =====================================================================
Performs operation using device BLAS (if available)
=================================================================== */
#ifdef MAGMA_HAVE_CUDA
magma_ssetmatrix( M, N, hC, ldc, dC, lddc, opts.queue );
dev_time = magma_sync_wtime( opts.queue );
magma_ssymm(
opts.side, opts.uplo, M, N,
alpha, dA, ldda,
dB, lddb,
beta, dC, lddc, opts.queue );
dev_time = magma_sync_wtime( opts.queue ) - dev_time;
dev_perf = gflops / dev_time;
magma_sgetmatrix( M, N, dC, lddc, hCdev, ldc, opts.queue );
#endif
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
if ( opts.lapack ) {
cpu_time = magma_wtime();
blasf77_ssymm( lapack_side_const(opts.side), lapack_uplo_const(opts.uplo),
&M, &N, &alpha, hA, &lda, hB, &ldb, &beta, hC, &ldc );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
}
/* =====================================================================
Check the result
=================================================================== */
if ( opts.lapack ) {
// compute error compared to lapack
// error = |dC - C| / (gamma_{k+2}|A||B| + gamma_2|Cin|); k = Am
blasf77_saxpy( &sizeC, &c_neg_one, hC, &ione, hCmagma, &ione );
normalize = sqrt(float(An+2))*fabs(alpha)*Anorm*Bnorm + 2*fabs(beta)*Cnorm;
if (normalize == 0) normalize = 1;
magma_error = lapackf77_slange( "F", &M, &N, hCmagma, &ldc, work ) / normalize;
#ifdef MAGMA_HAVE_CUDA
blasf77_saxpy( &sizeC, &c_neg_one, hC, &ione, hCdev, &ione );
dev_error = lapackf77_slange( "F", &M, &N, hCdev, &ldc, work ) / normalize;
bool okay = (magma_error < tol && dev_error < tol);
status += ! okay;
printf("%5lld %5lld %7.2f (%7.2f) %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %8.2e %s\n",
(long long) M, (long long) N,
magma_perf, 1000.*magma_time,
dev_perf, 1000.*dev_time,
cpu_perf, 1000.*cpu_time,
magma_error, dev_error, (okay ? "ok" : "failed"));
#else
bool okay = (magma_error < tol);
status += ! okay;
printf("%5lld %5lld %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %s\n",
(long long) M, (long long) N,
magma_perf, 1000.*magma_time,
cpu_perf, 1000.*cpu_time,
magma_error, (okay ? "ok" : "failed"));
#endif
}
else {
#ifdef MAGMA_HAVE_CUDA
// compute MAGMABLAS error relative to CUBLAS
blasf77_saxpy( &sizeC, &c_neg_one, hCdev, &ione, hCmagma, &ione );
normalize = sqrt(float(An+2))*fabs(alpha)*Anorm*Bnorm + 2*fabs(beta)*Cnorm;
if (normalize == 0) normalize = 1;
magma_error = lapackf77_slange( "F", &M, &N, hCmagma, &ldc, work ) / normalize;
bool okay = (magma_error < tol);
status += ! okay;
printf("%5lld %5lld %7.2f (%7.2f) %7.2f (%7.2f) --- ( --- ) %8.2e --- %s\n",
(long long) M, (long long) N,
magma_perf, 1000.*magma_time,
dev_perf, 1000.*dev_time,
magma_error, (okay ? "ok" : "failed"));
#else
printf("%5lld %5lld %7.2f (%7.2f) --- ( --- ) --- \n",
(long long) M, (long long) N,
magma_perf, 1000.*magma_time);
#endif
}
magma_free_cpu( hA );
magma_free_cpu( hB );
magma_free_cpu( hC );
magma_free_cpu( hCmagma );
magma_free_cpu( hCdev );
magma_free( dA );
magma_free( dB );
magma_free( dC );
fflush( stdout);
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
opts.cleanup();
TESTING_CHECK( magma_finalize() );
return status;
}
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