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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_zgemm_batched.cpp, normal z -> d, Wed Jan 22 14:40:41 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"
/* ////////////////////////////////////////////////////////////////////////////
-- Testing dgemm_batched
*/
int main( int argc, char** argv)
{
TESTING_CHECK( magma_init() );
magma_print_environment();
real_Double_t gflops, magma_perf, magma_time, cublas_perf, cublas_time, cpu_perf, cpu_time;
double error, cublas_error, magma_error, normalize, 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};
int status = 0;
magma_int_t batchCount;
double *h_A, *h_B, *h_C, *h_Cmagma, *h_Ccublas;
double *d_A, *d_B, *d_C;
double c_neg_one = MAGMA_D_NEG_ONE;
double alpha = MAGMA_D_MAKE( 0.29, -0.86 );
double beta = MAGMA_D_MAKE( -0.48, 0.38 );
double **h_A_array = NULL;
double **h_B_array = NULL;
double **h_C_array = NULL;
double **d_A_array = NULL;
double **d_B_array = NULL;
double **d_C_array = NULL;
magma_opts opts( MagmaOptsBatched );
opts.parse_opts( argc, argv );
opts.lapack |= opts.check; // check (-c) implies lapack (-l)
batchCount = opts.batchcount;
double *Anorm, *Bnorm, *Cnorm;
TESTING_CHECK( magma_dmalloc_cpu( &Anorm, batchCount ));
TESTING_CHECK( magma_dmalloc_cpu( &Bnorm, batchCount ));
TESTING_CHECK( magma_dmalloc_cpu( &Cnorm, batchCount ));
// See testing_dgemm about tolerance.
double eps = lapackf77_dlamch("E");
double tol = 3*eps;
printf("%% If running lapack (option --lapack), MAGMA and %s error are both computed\n"
"%% relative to CPU BLAS result. Else, MAGMA error is computed relative to %s result.\n\n"
"%% transA = %s, transB = %s\n",
g_platform_str, g_platform_str,
lapack_trans_const(opts.transA),
lapack_trans_const(opts.transB));
printf("%% version = %lld, %s\n", (long long)opts.version, opts.version == 1 ? "regular batch GEMM" : "strided batch GEMM");
printf("%% BatchCount M N K MAGMA Gflop/s (ms) %s Gflop/s (ms) CPU Gflop/s (ms) MAGMA error %s error\n", g_platform_str, g_platform_str);
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];
K = opts.ksize[itest];
gflops = FLOPS_DGEMM( M, N, K ) / 1e9 * batchCount;
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 = 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*batchCount;
sizeB = ldb*Bn*batchCount;
sizeC = ldc*N*batchCount;
TESTING_CHECK( magma_dmalloc_cpu( &h_A, sizeA ));
TESTING_CHECK( magma_dmalloc_cpu( &h_B, sizeB ));
TESTING_CHECK( magma_dmalloc_cpu( &h_C, sizeC ));
TESTING_CHECK( magma_dmalloc_cpu( &h_Cmagma, sizeC ));
TESTING_CHECK( magma_dmalloc_cpu( &h_Ccublas, sizeC ));
TESTING_CHECK( magma_dmalloc( &d_A, ldda*An*batchCount ));
TESTING_CHECK( magma_dmalloc( &d_B, lddb*Bn*batchCount ));
TESTING_CHECK( magma_dmalloc( &d_C, lddc*N*batchCount ));
TESTING_CHECK( magma_malloc_cpu( (void**) &h_A_array, batchCount * sizeof(double*) ));
TESTING_CHECK( magma_malloc_cpu( (void**) &h_B_array, batchCount * sizeof(double*) ));
TESTING_CHECK( magma_malloc_cpu( (void**) &h_C_array, batchCount * sizeof(double*) ));
TESTING_CHECK( magma_malloc( (void**) &d_A_array, batchCount * sizeof(double*) ));
TESTING_CHECK( magma_malloc( (void**) &d_B_array, batchCount * sizeof(double*) ));
TESTING_CHECK( magma_malloc( (void**) &d_C_array, batchCount * sizeof(double*) ));
/* Initialize the matrices */
lapackf77_dlarnv( &ione, ISEED, &sizeA, h_A );
lapackf77_dlarnv( &ione, ISEED, &sizeB, h_B );
lapackf77_dlarnv( &ione, ISEED, &sizeC, h_C );
// Compute norms for error
for (int s = 0; s < batchCount; ++s) {
Anorm[s] = lapackf77_dlange( "F", &Am, &An, &h_A[s*lda*An], &lda, work );
Bnorm[s] = lapackf77_dlange( "F", &Bm, &Bn, &h_B[s*ldb*Bn], &ldb, work );
Cnorm[s] = lapackf77_dlange( "F", &M, &N, &h_C[s*ldc*N], &ldc, work );
}
/* =====================================================================
Performs operation using MAGMABLAS
=================================================================== */
magma_dsetmatrix( Am, An*batchCount, h_A, lda, d_A, ldda, opts.queue );
magma_dsetmatrix( Bm, Bn*batchCount, h_B, ldb, d_B, lddb, opts.queue );
magma_dsetmatrix( M, N*batchCount, h_C, ldc, d_C, lddc, opts.queue );
magma_dset_pointer( d_A_array, d_A, ldda, 0, 0, ldda*An, batchCount, opts.queue );
magma_dset_pointer( d_B_array, d_B, lddb, 0, 0, lddb*Bn, batchCount, opts.queue );
magma_dset_pointer( d_C_array, d_C, lddc, 0, 0, lddc*N, batchCount, opts.queue );
magma_time = magma_sync_wtime( opts.queue );
if(opts.version == 1){
magmablas_dgemm_batched(opts.transA, opts.transB, M, N, K,
alpha, d_A_array, ldda,
d_B_array, lddb,
beta, d_C_array, lddc, batchCount, opts.queue);
}
else{
magmablas_dgemm_batched_strided(opts.transA, opts.transB, M, N, K,
alpha, d_A, ldda, ldda*An,
d_B, lddb, lddb*Bn,
beta, d_C, lddc, lddc*N, batchCount, opts.queue);
}
magma_time = magma_sync_wtime( opts.queue ) - magma_time;
magma_perf = gflops / magma_time;
magma_dgetmatrix( M, N*batchCount, d_C, lddc, h_Cmagma, ldc, opts.queue );
/* =====================================================================
Performs operation using CUBLAS
=================================================================== */
magma_dsetmatrix( M, N*batchCount, h_C, ldc, d_C, lddc, opts.queue );
cublas_time = magma_sync_wtime( opts.queue );
if(opts.version == 1){
#ifdef MAGMA_HAVE_CUDA
cublasDgemmBatched(
opts.handle, cublas_trans_const(opts.transA), cublas_trans_const(opts.transB),
int(M), int(N), int(K),
(const double*)&alpha,
(const double**) d_A_array, int(ldda),
(const double**) d_B_array, int(lddb),
(const double*)&beta,
(double**)d_C_array, int(lddc), int(batchCount) );
#else
hipblasDgemmBatched(
opts.handle, cublas_trans_const(opts.transA), cublas_trans_const(opts.transB),
int(M), int(N), int(K),
(const double*)&alpha,
(const double**) d_A_array, int(ldda),
(const double**) d_B_array, int(lddb),
(const double*)&beta,
(double**)d_C_array, int(lddc), int(batchCount) );
#endif
}
else{
#ifdef MAGMA_HAVE_CUDA
cublasDgemmStridedBatched(
opts.handle, cublas_trans_const(opts.transA), cublas_trans_const(opts.transB),
int(M), int(N), int(K),
(const double*)&alpha,
(const double*) d_A, int(ldda), ldda * An,
(const double*) d_B, int(lddb), lddb * Bn,
(const double*)&beta,
(double*)d_C, int(lddc), lddc*N, int(batchCount) );
#else
hipblasDgemmStridedBatched(
opts.handle, cublas_trans_const(opts.transA), cublas_trans_const(opts.transB),
int(M), int(N), int(K),
(const double*)&alpha,
(const double*) d_A, int(ldda), ldda * An,
(const double*) d_B, int(lddb), lddb * Bn,
(const double*)&beta,
(double*)d_C, int(lddc), lddc*N, int(batchCount) );
#endif
}
cublas_time = magma_sync_wtime( opts.queue ) - cublas_time;
cublas_perf = gflops / cublas_time;
magma_dgetmatrix( M, N*batchCount, d_C, lddc, h_Ccublas, ldc, opts.queue );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
if ( opts.lapack ) {
// populate pointer arrays on the host
for(int s = 0; s < batchCount; s++){
h_A_array[s] = h_A + s * lda * An;
h_B_array[s] = h_B + s * ldb * Bn;
h_C_array[s] = h_C + s * ldc * N;
}
cpu_time = magma_wtime();
blas_dgemm_batched( opts.transA, opts.transB,
M, 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| / (gamma_{k+2}|A||B| + gamma_2|Cin|)
magma_error = 0;
cublas_error = 0;
for (int s=0; s < batchCount; s++) {
normalize = sqrt(double(K+2))*Anorm[s]*Bnorm[s] + 2*Cnorm[s];
if (normalize == 0)
normalize = 1;
magma_int_t Csize = ldc*N;
blasf77_daxpy( &Csize, &c_neg_one, &h_C[s*ldc*N], &ione, &h_Cmagma[s*ldc*N], &ione );
error = lapackf77_dlange( "F", &M, &N, &h_Cmagma[s*ldc*N], &ldc, work )
/ normalize;
magma_error = magma_max_nan( error, magma_error );
// cublas error
blasf77_daxpy( &Csize, &c_neg_one, &h_C[s*ldc*N], &ione, &h_Ccublas[s*ldc*N], &ione );
error = lapackf77_dlange( "F", &M, &N, &h_Ccublas[s*ldc*N], &ldc, work )
/ normalize;
cublas_error = magma_max_nan( error, cublas_error );
}
bool okay = (magma_error < tol);
status += ! okay;
printf(" %10lld %5lld %5lld %5lld %7.2f (%7.2f) %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %8.2e %s\n",
(long long) batchCount, (long long) M, (long long) N, (long long) K,
magma_perf, 1000.*magma_time,
cublas_perf, 1000.*cublas_time,
cpu_perf, 1000.*cpu_time,
magma_error, cublas_error, (okay ? "ok" : "failed") );
}
else {
// compute error compared cublas
// error = |dC - C| / (gamma_{k+2}|A||B| + gamma_2|Cin|)
magma_error = 0;
for (int s=0; s < batchCount; s++) {
normalize = sqrt(double(K+2))*Anorm[s]*Bnorm[s] + 2*Cnorm[s];
if (normalize == 0)
normalize = 1;
magma_int_t Csize = ldc*N;
blasf77_daxpy( &Csize, &c_neg_one, &h_Ccublas[s*ldc*N], &ione, &h_Cmagma[s*ldc*N], &ione );
error = lapackf77_dlange( "F", &M, &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 %5lld %7.2f (%7.2f) %7.2f (%7.2f) --- ( --- ) %8.2e --- %s\n",
(long long) batchCount, (long long) M, (long long) N, (long long) K,
magma_perf, 1000.*magma_time,
cublas_perf, 1000.*cublas_time,
magma_error, (okay ? "ok" : "failed") );
}
magma_free_cpu( h_A );
magma_free_cpu( h_B );
magma_free_cpu( h_C );
magma_free_cpu( h_Cmagma );
magma_free_cpu( h_Ccublas );
magma_free_cpu( h_A_array );
magma_free_cpu( h_B_array );
magma_free_cpu( h_C_array );
magma_free( d_A );
magma_free( d_B );
magma_free( d_C );
magma_free( d_A_array );
magma_free( d_B_array );
magma_free( d_C_array );
fflush( stdout);
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
magma_free_cpu( Anorm );
magma_free_cpu( Bnorm );
magma_free_cpu( Cnorm );
opts.cleanup();
TESTING_CHECK( magma_finalize() );
return status;
}
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