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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 sparse/testing/testing_zsolver_rhs.cpp, normal z -> d, Wed Jan 22 14:42:52 2025
@author Hartwig Anzt
*/
// includes, system
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
// includes, project
#include "magma_v2.h"
#include "magmasparse.h"
#include "testings.h"
/* ////////////////////////////////////////////////////////////////////////////
-- testing any solver
*/
int main( int argc, char** argv )
{
magma_int_t info = 0;
TESTING_CHECK( magma_init() );
magma_print_environment();
magma_dopts zopts;
magma_queue_t queue=NULL;
magma_queue_create( 0, &queue );
//Chronometry
real_Double_t tempo1, tempo2, t_transfer = 0.0;
double one = MAGMA_D_MAKE(1.0, 0.0);
double zero = MAGMA_D_MAKE(0.0, 0.0);
magma_d_matrix A={Magma_CSR}, B={Magma_CSR}, dB={Magma_CSR};
magma_d_matrix x={Magma_CSR}, x_h={Magma_CSR}, b_h={Magma_DENSE}, b={Magma_DENSE};
int i=1;
TESTING_CHECK( magma_dparse_opts( argc, argv, &zopts, &i, queue ));
B.blocksize = zopts.blocksize;
B.alignment = zopts.alignment;
TESTING_CHECK( magma_dsolverinfo_init( &zopts.solver_par, &zopts.precond_par, queue ));
// more iterations
while( i < argc ) {
if ( strcmp("LAPLACE2D", argv[i]) == 0 && i+1 < argc ) { // Laplace test
i++;
magma_int_t laplace_size = atoi( argv[i] );
TESTING_CHECK( magma_dm_5stencil( laplace_size, &A, queue ));
TESTING_CHECK( magma_dvinit( &b_h, Magma_CPU, A.num_cols, 1, one, queue ));
} else { // file-matrix test
TESTING_CHECK( magma_d_csr_mtx( &A, argv[i], queue ));
TESTING_CHECK( magma_dvread( &b_h, A.num_cols, argv[i+1], queue ));
i++;
}
printf( "\n%% matrix info: %lld-by-%lld with %lld nonzeros\n\n",
(long long) A.num_rows, (long long) A.num_cols, (long long) A.nnz );
printf("matrixinfo = [\n");
printf("%% size (m x n) || nonzeros (nnz) || nnz/m\n");
printf("%%=============================================================%%\n");
printf(" %8lld %8lld %10lld %10lld\n",
(long long) A.num_rows, (long long) A.num_cols, (long long) A.nnz,
(long long) (A.nnz/A.num_rows) );
printf("%%=============================================================%%\n");
printf("];\n");
// for the eigensolver case
zopts.solver_par.ev_length = A.num_cols;
TESTING_CHECK( magma_deigensolverinfo_init( &zopts.solver_par, queue ));
fflush(stdout);
t_transfer = 0.0;
zopts.precond_par.setuptime = 0.0;
zopts.precond_par.runtime = 0.0;
//TESTING_CHECK( magma_dvinit( &b_h, Magma_CPU, A.num_cols, 1, MAGMA_D_ONE, queue ));
i++;
tempo1 = magma_sync_wtime( queue );
magma_d_vtransfer(b_h, &b, Magma_CPU, Magma_DEV, queue);
tempo2 = magma_sync_wtime( queue );
t_transfer += tempo2-tempo1;
// scale matrix
TESTING_CHECK( magma_dmscale( &A, zopts.scaling, queue ));
// preconditioner
if ( zopts.solver_par.solver != Magma_ITERREF ) {
TESTING_CHECK( magma_d_precondsetup( A, b, &zopts.solver_par, &zopts.precond_par, queue ) );
}
// make sure alignment is 1 for SELLP
B.alignment = 1;
B.blocksize = 256;
TESTING_CHECK( magma_dmconvert( A, &B, Magma_CSR, zopts.output_format, queue ));
tempo1 = magma_sync_wtime( queue );
TESTING_CHECK( magma_dmtransfer( B, &dB, Magma_CPU, Magma_DEV, queue ));
tempo2 = magma_sync_wtime( queue );
t_transfer += tempo2-tempo1;
TESTING_CHECK( magma_dvinit( &x, Magma_DEV, A.num_cols, 1, zero, queue ));
info = magma_d_solver( dB, b, &x, &zopts, queue );
if( info != 0 ) {
printf("%%error: solver returned: %s (%lld).\n",
magma_strerror( info ), (long long) info );
}
magma_dmfree(&x_h, queue );
tempo1 = magma_sync_wtime( queue );
magma_d_vtransfer(x, &x_h, Magma_DEV, Magma_CPU, queue);
tempo2 = magma_sync_wtime( queue );
t_transfer += tempo2-tempo1;
printf("data = [\n");
magma_dsolverinfo( &zopts.solver_par, &zopts.precond_par, queue );
printf("];\n\n");
printf("precond_info = [\n");
printf("%% setup runtime\n");
printf(" %.6f %.6f\n",
zopts.precond_par.setuptime, zopts.precond_par.runtime );
printf("];\n\n");
//printf("transfer_time = %.6f;\n\n", t_transfer);
magma_dmfree(&x, queue );
magma_dmfree(&b, queue );
magma_dmfree(&dB, queue );
magma_dmfree(&B, queue );
//magma_dsolverinfo_free( &zopts.solver_par, &zopts.precond_par, queue );
fflush(stdout);
// filename for temporary matrix storage
const char *filename = "solution.mtx";
magma_dmfree(&b_h, queue );
magma_dmconvert(x_h, &b_h, Magma_DENSE, Magma_CSR, queue );
// write to file
TESTING_CHECK( magma_dwrite_csrtomtx( b_h, filename, queue ));
magma_dmfree(&dB, queue );
magma_dmfree(&B, queue );
magma_dmfree(&A, queue );
magma_dmfree(&x, queue );
magma_dmfree(&x_h, queue );
magma_dmfree(&b, queue );
i++;
}
magma_queue_destroy( queue );
TESTING_CHECK( magma_finalize() );
return info;
}
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