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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_ztranspose.cpp, normal z -> d, Wed Jan 22 14:40:25 2025
@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 "magma_operators.h" // conj
#include "testings.h"
#define REAL
/* ////////////////////////////////////////////////////////////////////////////
-- Testing dtranspose
Code is very similar to testing_dsymmetrize.cpp
*/
int main( int argc, char** argv)
{
TESTING_CHECK( magma_init() );
magma_print_environment();
// OpenCL use: cl_mem , offset (two arguments);
// else use: pointer + offset (one argument).
#ifdef MAGMA_HAVE_OPENCL
#define d_A(i_, j_) d_A, ((i_) + (j_)*ldda)
#define d_B(i_, j_) d_B, ((i_) + (j_)*lddb)
#else
#define d_A(i_, j_) (d_A + (i_) + (j_)*ldda)
#define d_B(i_, j_) (d_B + (i_) + (j_)*lddb)
#endif
real_Double_t gbytes, gpu_perf, gpu_time, gpu_perf2=0, gpu_time2=0, cpu_perf, cpu_time;
double error, error2, work[1];
double c_neg_one = MAGMA_D_NEG_ONE;
double *h_A, *h_B, *h_R;
magmaDouble_ptr d_A, d_B;
magma_int_t M, N, size, lda, ldda, ldb, lddb;
magma_int_t ione = 1;
int status = 0;
magma_opts opts;
opts.parse_opts( argc, argv );
#ifdef COMPLEX
magma_int_t ntrans = 2;
magma_trans_t trans[] = { MagmaTrans, MagmaTrans };
#else
magma_int_t ntrans = 1;
magma_trans_t trans[] = { MagmaTrans };
#endif
printf("%% Inplace transpose requires M == N.\n");
printf("%% Trans M N CPU GByte/s (ms) GPU GByte/s (ms) check Inplace GB/s (ms) check\n");
printf("%%=========================================================================================\n");
for( int itest = 0; itest < opts.ntest; ++itest ) {
for( int itran = 0; itran < ntrans; ++itran ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[itest];
N = opts.nsize[itest];
lda = M;
ldda = magma_roundup( M, opts.align ); // multiple of 32 by default
ldb = N;
lddb = magma_roundup( N, opts.align ); // multiple of 32 by default
// load entire matrix, save entire matrix
gbytes = sizeof(double) * 2.*M*N / 1e9;
TESTING_CHECK( magma_dmalloc_cpu( &h_A, lda*N )); // input: M x N
TESTING_CHECK( magma_dmalloc_cpu( &h_B, ldb*M )); // output: N x M
TESTING_CHECK( magma_dmalloc_cpu( &h_R, ldb*M )); // output: N x M
TESTING_CHECK( magma_dmalloc( &d_A, ldda*N )); // input: M x N
TESTING_CHECK( magma_dmalloc( &d_B, lddb*M )); // output: N x M
/* Initialize the matrix */
for( int j = 0; j < N; ++j ) {
for( int i = 0; i < M; ++i ) {
h_A[i + j*lda] = MAGMA_D_MAKE( i + j/10000., j );
}
}
for( int j = 0; j < M; ++j ) {
for( int i = 0; i < N; ++i ) {
h_B[i + j*ldb] = MAGMA_D_MAKE( i + j/10000., j );
}
}
magma_dsetmatrix( N, M, h_B, ldb, d_B(0,0), lddb, opts.queue );
/* =====================================================================
Performs operation using naive out-of-place algorithm
(LAPACK doesn't implement transpose)
=================================================================== */
cpu_time = magma_wtime();
//for( int j = 1; j < N-1; ++j ) { // inset by 1 row & col
// for( int i = 1; i < M-1; ++i ) { // inset by 1 row & col
if ( trans[itran] == MagmaTrans ) {
for( int j = 0; j < N; ++j ) {
for( int i = 0; i < M; ++i ) {
h_B[j + i*ldb] = h_A[i + j*lda];
}
}
}
else {
for( int j = 0; j < N; ++j ) {
for( int i = 0; i < M; ++i ) {
h_B[j + i*ldb] = conj( h_A[i + j*lda] );
}
}
}
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gbytes / cpu_time;
/* ====================================================================
Performs operation using MAGMA, out-of-place
=================================================================== */
magma_dsetmatrix( M, N, h_A, lda, d_A(0,0), ldda, opts.queue );
magma_dsetmatrix( N, M, h_B, ldb, d_B(0,0), lddb, opts.queue );
gpu_time = magma_sync_wtime( opts.queue );
if ( trans[itran] == MagmaTrans ) {
//magmablas_dtranspose( M-2, N-2, d_A(1,1), ldda, d_B(1,1), lddb, opts.queue ); // inset by 1 row & col
magmablas_dtranspose( M, N, d_A(0,0), ldda, d_B(0,0), lddb, opts.queue );
}
#if defined(MAGMA_HAVE_CUDA) || defined(MAGMA_HAVE_HIP)
else {
//magmablas_dtranspose( M-2, N-2, d_A(1,1), ldda, d_B(1,1), lddb, opts.queue ); // inset by 1 row & col
magmablas_dtranspose( M, N, d_A(0,0), ldda, d_B(0,0), lddb, opts.queue );
}
#endif
gpu_time = magma_sync_wtime( opts.queue ) - gpu_time;
gpu_perf = gbytes / gpu_time;
/* ====================================================================
Performs operation using MAGMA, in-place
=================================================================== */
if ( M == N ) {
magma_dsetmatrix( M, N, h_A, lda, d_A(0,0), ldda, opts.queue );
gpu_time2 = magma_sync_wtime( opts.queue );
if ( trans[itran] == MagmaTrans ) {
//magmablas_dtranspose_inplace( N-2, d_A(1,1), ldda, opts.queue ); // inset by 1 row & col
magmablas_dtranspose_inplace( N, d_A(0,0), ldda, opts.queue );
}
#if defined(MAGMA_HAVE_CUDA) || defined(MAGMA_HAVE_HIP)
else {
//magmablas_dtranspose_inplace( N-2, d_A(1,1), ldda, opts.queue ); // inset by 1 row & col
magmablas_dtranspose_inplace( N, d_A(0,0), ldda, opts.queue );
}
#endif
gpu_time2 = magma_sync_wtime( opts.queue ) - gpu_time2;
gpu_perf2 = gbytes / gpu_time2;
}
/* =====================================================================
Check the result
=================================================================== */
// check out-of-place transpose (d_B)
size = ldb*M;
magma_dgetmatrix( N, M, d_B(0,0), lddb, h_R, ldb, opts.queue );
blasf77_daxpy( &size, &c_neg_one, h_B, &ione, h_R, &ione );
error = lapackf77_dlange("f", &N, &M, h_R, &ldb, work );
if ( M == N ) {
// also check in-place tranpose (d_A)
magma_dgetmatrix( N, M, d_A(0,0), ldda, h_R, ldb, opts.queue );
blasf77_daxpy( &size, &c_neg_one, h_B, &ione, h_R, &ione );
error2 = lapackf77_dlange("f", &N, &M, h_R, &ldb, work );
printf("%5c %5lld %5lld %7.2f (%7.2f) %7.2f (%7.2f) %6s %7.2f (%7.2f) %s\n",
lapacke_trans_const( trans[itran] ),
(long long) M, (long long) N,
cpu_perf, cpu_time*1000., gpu_perf, gpu_time*1000.,
(error == 0. ? "ok" : "failed"),
gpu_perf2, gpu_time2,
(error2 == 0. ? "ok" : "failed") );
status += ! (error == 0. && error2 == 0.);
}
else {
printf("%5c %5lld %5lld %7.2f (%7.2f) %7.2f (%7.2f) %6s --- ( --- )\n",
lapacke_trans_const( trans[itran] ),
(long long) M, (long long) N,
cpu_perf, cpu_time*1000., gpu_perf, gpu_time*1000.,
(error == 0. ? "ok" : "failed") );
status += ! (error == 0.);
}
magma_free_cpu( h_A );
magma_free_cpu( h_B );
magma_free_cpu( h_R );
magma_free( d_A );
magma_free( d_B );
fflush( stdout );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
}
opts.cleanup();
TESTING_CHECK( magma_finalize() );
return status;
}
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