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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_zher2k_batched.cpp, normal z -> s, Wed Jan 22 14:40:42 2025
@author Mark Gates
@author Azzam Haidar
@author Tingxing Dong
*/
// 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>
#endif
#include "../control/magma_threadsetting.h" // internal header
#define REAL
/* ////////////////////////////////////////////////////////////////////////////
-- Testing ssyr2k_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;
float error, magma_error, normalize, work[1];
magma_int_t N, K;
magma_int_t An, Ak, Bn, Bk;
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;
magma_int_t batchCount;
float *h_A, *h_B, *h_C, *h_Cmagma;
float *d_A, *d_B, *d_C;
float **d_A_array = NULL;
float **d_B_array = NULL;
float **d_C_array = NULL;
float **h_A_array = NULL, **h_B_array = NULL, **h_C_array = NULL;
float c_neg_one = MAGMA_S_NEG_ONE;
float alpha = MAGMA_S_MAKE( 0.29, -0.86 );
float beta = MAGMA_D_MAKE( -0.48, 0.38 );
magma_opts opts( MagmaOptsBatched );
opts.parse_opts( argc, argv );
opts.lapack |= opts.check;
batchCount = opts.batchcount;
float *Anorm, *Bnorm, *Cnorm;
TESTING_CHECK( magma_smalloc_cpu( &Anorm, batchCount ));
TESTING_CHECK( magma_smalloc_cpu( &Bnorm, batchCount ));
TESTING_CHECK( magma_smalloc_cpu( &Cnorm, batchCount ));
TESTING_CHECK( magma_malloc_cpu((void**)&h_A_array, batchCount*sizeof(float*)) );
TESTING_CHECK( magma_malloc_cpu((void**)&h_B_array, batchCount*sizeof(float*)) );
TESTING_CHECK( magma_malloc_cpu((void**)&h_C_array, batchCount*sizeof(float*)) );
TESTING_CHECK( magma_malloc((void**)&d_A_array, batchCount*sizeof(float*)) );
TESTING_CHECK( magma_malloc((void**)&d_B_array, batchCount*sizeof(float*)) );
TESTING_CHECK( magma_malloc((void**)&d_C_array, batchCount*sizeof(float*)) );
// See testing_sgemm about tolerance.
float eps = lapackf77_slamch("E");
float tol = 3*eps;
#ifdef COMPLEX
if (opts.transA == MagmaTrans) {
opts.transA = MagmaConjTrans;
printf("%% WARNING: transA = MagmaTrans changed to MagmaConjTrans\n");
}
#endif
printf("%% If running lapack (option --lapack), MAGMA error is computed\n"
"%% relative to CPU BLAS result.\n\n"
"%% uplo = %s, trans = %s\n",
lapack_uplo_const(opts.uplo),
lapack_trans_const(opts.transA));
printf("%% BatchCount N K 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 ) {
N = opts.nsize[itest];
K = opts.ksize[itest];
gflops = (batchCount * FLOPS_SSYR2K( K, N )) / 1e9;
if ( opts.transA == MagmaNoTrans ) {
lda = An = N;
ldb = Bn = N;
Ak = K;
Bk = K;
}
else {
lda = An = K;
ldb = Bn = K;
Ak = N;
Bk = N;
}
ldc = N;
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*Ak*batchCount;
sizeB = ldb*Bk*batchCount;
sizeC = ldc*N*batchCount;
TESTING_CHECK( magma_smalloc_cpu(&h_A, sizeA) );
TESTING_CHECK( magma_smalloc_cpu(&h_B, sizeB) );
TESTING_CHECK( magma_smalloc_cpu(&h_C, sizeC) );
TESTING_CHECK( magma_smalloc_cpu(&h_Cmagma, sizeC) );
TESTING_CHECK( magma_smalloc(&d_A, ldda*Ak*batchCount) );
TESTING_CHECK( magma_smalloc(&d_B, lddb*Bk*batchCount) );
TESTING_CHECK( magma_smalloc(&d_C, lddc*N*batchCount) );
/* Initialize the matrices */
lapackf77_slarnv( &ione, ISEED, &sizeA, h_A );
lapackf77_slarnv( &ione, ISEED, &sizeB, h_B );
lapackf77_slarnv( &ione, ISEED, &sizeC, h_C );
// Compute norms for error
for (int s = 0; s < batchCount; ++s) {
Anorm[s] = lapackf77_slange( "F", &An, &Ak, &h_A[s*lda*Ak], &lda, work );
Bnorm[s] = lapackf77_slange( "F", &Bn, &Bk, &h_B[s*ldb*Bk], &ldb, work );
Cnorm[s] = safe_lapackf77_slansy( "F", lapack_uplo_const(opts.uplo), &N, &h_C[s*ldc*N], &ldc, work );
}
/* =====================================================================
Performs operation using MAGMABLAS
=================================================================== */
magma_ssetmatrix( An, Ak*batchCount, h_A, lda, d_A, ldda, opts.queue );
magma_ssetmatrix( Bn, Bk*batchCount, h_B, ldb, d_B, lddb, opts.queue );
magma_ssetmatrix( N, N*batchCount, h_C, ldc, d_C, lddc, opts.queue );
magma_sset_pointer( d_A_array, d_A, ldda, 0, 0, ldda*Ak, batchCount, opts.queue );
magma_sset_pointer( d_B_array, d_B, lddb, 0, 0, lddb*Bk, batchCount, opts.queue );
magma_sset_pointer( d_C_array, d_C, lddc, 0, 0, lddc*N, batchCount, opts.queue );
magma_time = magma_sync_wtime( opts.queue );
magmablas_ssyr2k_batched(opts.uplo, opts.transA, N, K,
alpha, d_A_array, ldda,
d_B_array, lddb,
beta, d_C_array, lddc, batchCount, opts.queue );
magma_time = magma_sync_wtime( opts.queue ) - magma_time;
magma_perf = gflops / magma_time;
magma_sgetmatrix( N, N*batchCount, d_C, lddc, h_Cmagma, ldc, opts.queue );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
if ( opts.lapack ) {
// populate pointer arrays on the host
for(int i = 0; i < batchCount; i++){
h_A_array[i] = h_A + i*lda*Ak;
h_B_array[i] = h_B + i*ldb*Bk;
h_C_array[i] = h_C + i*ldc*N;
}
cpu_time = magma_wtime();
blas_ssyr2k_batched(
opts.uplo, opts.transA,
N, K,
alpha, h_A_array, lda,
h_B_array, ldb,
beta, h_C_array, ldc, batchCount );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
}
/* =====================================================================
Check the result
=================================================================== */
if ( opts.lapack ) {
// compute error compared lapack
// error = |dC - C| / (2*gamma_{k+2}|A||B| + gamma_2|Cin|)
magma_error = 0;
for (int s=0; s < batchCount; s++) {
normalize = 2*sqrt(float(K+2))*Anorm[s]*Bnorm[s] + 2*Cnorm[s];
if (normalize == 0)
normalize = 1;
magma_int_t Csize = ldc * N;
blasf77_saxpy( &Csize, &c_neg_one, &h_C[s*ldc*N], &ione, &h_Cmagma[s*ldc*N], &ione );
error = safe_lapackf77_slansy( "F", lapack_uplo_const(opts.uplo), &N, &h_Cmagma[s*ldc*N], &ldc, 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) N, (long long) K,
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) N, (long long) K,
magma_perf, 1000.*magma_time);
}
magma_free_cpu( h_A );
magma_free_cpu( h_B );
magma_free_cpu( h_C );
magma_free_cpu( h_Cmagma );
magma_free( d_A );
magma_free( d_B );
magma_free( d_C );
fflush( stdout);
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
magma_free_cpu( Anorm );
magma_free_cpu( Bnorm );
magma_free_cpu( Cnorm );
magma_free_cpu( h_A_array );
magma_free_cpu( h_B_array );
magma_free_cpu( h_C_array );
magma_free( d_A_array );
magma_free( d_B_array );
magma_free( d_C_array );
opts.cleanup();
TESTING_CHECK( magma_finalize() );
return status;
}
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