/* ////////////////////////////////////////////////////////////////////////////
-- testing any solver
*/
int main( int argc, char** argv )
{
TESTING_INIT();
magma_copts zopts;
magma_queue_t queue;
magma_queue_create( /*devices[ opts->device ],*/ &queue );
int i=1;
magma_cparse_opts( argc, argv, &zopts, &i, queue );
magmaFloatComplex one = MAGMA_C_MAKE(1.0, 0.0);
magmaFloatComplex zero = MAGMA_C_MAKE(0.0, 0.0);
magma_c_sparse_matrix A, B, B_d;
magma_c_vector x, b;
B.blocksize = zopts.blocksize;
B.alignment = zopts.alignment;
if ( zopts.solver_par.solver != Magma_PCG &&
zopts.solver_par.solver != Magma_PGMRES &&
zopts.solver_par.solver != Magma_PBICGSTAB &&
zopts.solver_par.solver != Magma_ITERREF )
zopts.precond_par.solver = Magma_NONE;
magma_csolverinfo_init( &zopts.solver_par, &zopts.precond_par, queue );
while( i < argc ) {
if ( strcmp("LAPLACE2D", argv[i]) == 0 && i+1 < argc ) { // Laplace test
i++;
magma_int_t laplace_size = atoi( argv[i] );
magma_cm_5stencil( laplace_size, &A, queue );
} else { // file-matrix test
magma_c_csr_mtx( &A, argv[i], queue );
}
printf( "\n# matrix info: %d-by-%d with %d nonzeros\n\n",
(int) A.num_rows,(int) A.num_cols,(int) A.nnz );
// for the eigensolver case
zopts.solver_par.ev_length = A.num_rows;
magma_ceigensolverinfo_init( &zopts.solver_par, queue );
// scale matrix
magma_cmscale( &A, zopts.scaling, queue );
magma_c_mconvert( A, &B, Magma_CSR, zopts.output_format, queue );
magma_c_mtransfer( B, &B_d, Magma_CPU, Magma_DEV, queue );
// vectors and initial guess
magma_c_vinit( &b, Magma_DEV, A.num_cols, one, queue );
magma_c_vinit( &x, Magma_DEV, A.num_cols, one, queue );
magma_c_spmv( one, B_d, x, zero, b, queue ); // b = A x
magma_c_vfree(&x, queue );
magma_c_vinit( &x, Magma_DEV, A.num_cols, zero, queue );
magma_c_solver( B_d, b, &x, &zopts, queue );
magma_csolverinfo( &zopts.solver_par, &zopts.precond_par, queue );
magma_c_mfree(&B_d, queue );
magma_c_mfree(&B, queue );
magma_c_mfree(&A, queue );
magma_c_vfree(&x, queue );
magma_c_vfree(&b, queue );
i++;
}
magma_csolverinfo_free( &zopts.solver_par, &zopts.precond_par, queue );
magma_queue_destroy( queue );
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- testing any solver
*/
int main( int argc, char** argv )
{
magma_int_t info = 0;
TESTING_INIT();
magma_copts zopts;
magma_queue_t queue=NULL;
magma_queue_create( 0, &queue );
magmaFloatComplex one = MAGMA_C_MAKE(1.0, 0.0);
magmaFloatComplex zero = MAGMA_C_MAKE(0.0, 0.0);
magma_c_matrix A={Magma_CSR}, B={Magma_CSR}, B_d={Magma_CSR};
magma_c_matrix x={Magma_CSR}, b={Magma_CSR}, t={Magma_CSR};
magma_c_matrix x1={Magma_CSR}, x2={Magma_CSR};
//Chronometry
real_Double_t tempo1, tempo2;
int i=1;
CHECK( magma_cparse_opts( argc, argv, &zopts, &i, queue ));
B.blocksize = zopts.blocksize;
B.alignment = zopts.alignment;
CHECK( magma_csolverinfo_init( &zopts.solver_par, &zopts.precond_par, queue ));
while( i < argc ) {
if ( strcmp("LAPLACE2D", argv[i]) == 0 && i+1 < argc ) { // Laplace test
i++;
magma_int_t laplace_size = atoi( argv[i] );
CHECK( magma_cm_5stencil( laplace_size, &A, queue ));
} else { // file-matrix test
CHECK( magma_c_csr_mtx( &A, argv[i], queue ));
}
printf( "\n%% matrix info: %d-by-%d with %d nonzeros\n\n",
int(A.num_rows), int(A.num_cols), int(A.nnz) );
// for the eigensolver case
zopts.solver_par.ev_length = A.num_rows;
CHECK( magma_ceigensolverinfo_init( &zopts.solver_par, queue ));
// scale matrix
CHECK( magma_cmscale( &A, zopts.scaling, queue ));
CHECK( magma_cmconvert( A, &B, Magma_CSR, zopts.output_format, queue ));
CHECK( magma_cmtransfer( B, &B_d, Magma_CPU, Magma_DEV, queue ));
// vectors and initial guess
CHECK( magma_cvinit( &b, Magma_DEV, A.num_cols, 1, one, queue ));
CHECK( magma_cvinit( &x, Magma_DEV, A.num_cols, 1, zero, queue ));
CHECK( magma_cvinit( &t, Magma_DEV, A.num_cols, 1, zero, queue ));
CHECK( magma_cvinit( &x1, Magma_DEV, A.num_cols, 1, zero, queue ));
CHECK( magma_cvinit( &x2, Magma_DEV, A.num_cols, 1, zero, queue ));
//preconditioner
CHECK( magma_c_precondsetup( B_d, b, &zopts.solver_par, &zopts.precond_par, queue ) );
float residual;
CHECK( magma_cresidual( B_d, b, x, &residual, queue ));
zopts.solver_par.init_res = residual;
printf("data = [\n");
printf("%%runtime left preconditioner:\n");
tempo1 = magma_sync_wtime( queue );
info = magma_c_applyprecond_left( MagmaNoTrans, B_d, b, &x1, &zopts.precond_par, queue );
tempo2 = magma_sync_wtime( queue );
if( info != 0 ){
printf("error: preconditioner returned: %s (%d).\n",
magma_strerror( info ), int(info) );
}
CHECK( magma_cresidual( B_d, b, x1, &residual, queue ));
printf("%.8e %.8e\n", tempo2-tempo1, residual );
printf("%%runtime right preconditioner:\n");
tempo1 = magma_sync_wtime( queue );
info = magma_c_applyprecond_right( MagmaNoTrans, B_d, b, &x2, &zopts.precond_par, queue );
tempo2 = magma_sync_wtime( queue );
if( info != 0 ){
printf("error: preconditioner returned: %s (%d).\n",
magma_strerror( info ), int(info) );
}
CHECK( magma_cresidual( B_d, b, x2, &residual, queue ));
printf("%.8e %.8e\n", tempo2-tempo1, residual );
printf("];\n");
info = magma_c_applyprecond_left( MagmaNoTrans, B_d, b, &t, &zopts.precond_par, queue );
info = magma_c_applyprecond_right( MagmaNoTrans, B_d, t, &x, &zopts.precond_par, queue );
CHECK( magma_cresidual( B_d, b, x, &residual, queue ));
zopts.solver_par.final_res = residual;
magma_csolverinfo( &zopts.solver_par, &zopts.precond_par, queue );
magma_cmfree(&B_d, queue );
magma_cmfree(&B, queue );
magma_cmfree(&A, queue );
magma_cmfree(&x, queue );
magma_cmfree(&x1, queue );
magma_cmfree(&x2, queue );
magma_cmfree(&b, queue );
magma_cmfree(&t, queue );
i++;
}
cleanup:
magma_cmfree(&B_d, queue );
magma_cmfree(&B, queue );
magma_cmfree(&A, queue );
magma_cmfree(&x, queue );
magma_cmfree(&x1, queue );
magma_cmfree(&x2, queue );
magma_cmfree(&b, queue );
magma_cmfree(&t, queue );
magma_csolverinfo_free( &zopts.solver_par, &zopts.precond_par, queue );
magma_queue_destroy( queue );
TESTING_FINALIZE();
return info;
}
/* ////////////////////////////////////////////////////////////////////////////
-- testing any solver
*/
int main( int argc, char** argv)
{
TESTING_INIT();
magma_copts zopts;
int i=1;
magma_cparse_opts( argc, argv, &zopts, &i);
magmaFloatComplex one = MAGMA_C_MAKE(1.0, 0.0);
magmaFloatComplex zero = MAGMA_C_MAKE(0.0, 0.0);
magma_c_sparse_matrix A, B, B_d;
magma_c_vector x, b;
B.blocksize = zopts.blocksize;
B.alignment = zopts.alignment;
if ( zopts.solver_par.solver != Magma_PCG &&
zopts.solver_par.solver != Magma_PGMRES &&
zopts.solver_par.solver != Magma_PBICGSTAB &&
zopts.solver_par.solver != Magma_ITERREF )
zopts.precond_par.solver = Magma_NONE;
magma_csolverinfo_init( &zopts.solver_par, &zopts.precond_par );
while( i < argc ){
magma_c_csr_mtx( &A, argv[i] );
printf( "\n# matrix info: %d-by-%d with %d nonzeros\n\n",
(int) A.num_rows,(int) A.num_cols,(int) A.nnz );
// scale matrix
magma_cmscale( &A, zopts.scaling );
magma_c_mconvert( A, &B, Magma_CSR, zopts.output_format );
magma_c_mtransfer( B, &B_d, Magma_CPU, Magma_DEV );
// vectors and initial guess
magma_c_vinit( &b, Magma_DEV, A.num_cols, one );
magma_c_vinit( &x, Magma_DEV, A.num_cols, one );
magma_c_spmv( one, B_d, x, zero, b ); // b = A x
magma_c_vfree(&x);
magma_c_vinit( &x, Magma_DEV, A.num_cols, zero );
magma_c_solver( B_d, b, &x, &zopts );
magma_csolverinfo( &zopts.solver_par, &zopts.precond_par );
magma_c_mfree(&B_d);
magma_c_mfree(&B);
magma_c_mfree(&A);
magma_c_vfree(&x);
magma_c_vfree(&b);
i++;
}
magma_csolverinfo_free( &zopts.solver_par, &zopts.precond_par );
TESTING_FINALIZE();
return 0;
}
/* ////////////////////////////////////////////////////////////////////////////
-- running magma_clobpcg
*/
int main( int argc, char** argv)
{
TESTING_INIT();
magma_c_solver_par solver_par;
solver_par.epsilon = 1e-5;
solver_par.maxiter = 1000;
solver_par.verbose = 0;
solver_par.num_eigenvalues = 32;
solver_par.solver = Magma_LOBPCG;
magma_c_preconditioner precond_par;
precond_par.solver = Magma_JACOBI;
int precond = 0;
int format = 0;
int scale = 0;
magma_scale_t scaling = Magma_NOSCALE;
magma_c_sparse_matrix A, B, dA;
B.blocksize = 8;
B.alignment = 8;
B.storage_type = Magma_CSR;
int i;
for( i = 1; i < argc; ++i ) {
if ( strcmp("--format", argv[i]) == 0 ) {
format = atoi( argv[++i] );
switch( format ) {
case 0: B.storage_type = Magma_CSR; break;
case 1: B.storage_type = Magma_ELL; break;
case 2: B.storage_type = Magma_ELLRT; break;
case 3: B.storage_type = Magma_SELLP; break;
}
}else if ( strcmp("--mscale", argv[i]) == 0 ) {
scale = atoi( argv[++i] );
switch( scale ) {
case 0: scaling = Magma_NOSCALE; break;
case 1: scaling = Magma_UNITDIAG; break;
case 2: scaling = Magma_UNITROW; break;
}
}else if ( strcmp("--precond", argv[i]) == 0 ) {
format = atoi( argv[++i] );
switch( precond ) {
case 0: precond_par.solver = Magma_JACOBI; break;
}
}else if ( strcmp("--blocksize", argv[i]) == 0 ) {
B.blocksize = atoi( argv[++i] );
}else if ( strcmp("--alignment", argv[i]) == 0 ) {
B.alignment = atoi( argv[++i] );
}else if ( strcmp("--verbose", argv[i]) == 0 ) {
solver_par.verbose = atoi( argv[++i] );
} else if ( strcmp("--maxiter", argv[i]) == 0 ) {
solver_par.maxiter = atoi( argv[++i] );
} else if ( strcmp("--tol", argv[i]) == 0 ) {
sscanf( argv[++i], "%f", &solver_par.epsilon );
} else if ( strcmp("--eigenvalues", argv[i]) == 0 ) {
solver_par.num_eigenvalues = atoi( argv[++i] );
} else
break;
}
printf( "\n# usage: ./run_clobpcg"
" [ --format %d (0=CSR, 1=ELL, 2=ELLRT, 4=SELLP)"
" [ --blocksize %d --alignment %d ]"
" --mscale %d (0=no, 1=unitdiag, 2=unitrownrm)"
" --verbose %d (0=summary, k=details every k iterations)"
" --maxiter %d --tol %.2e"
" --preconditioner %d (0=Jacobi) "
" --eigenvalues %d ]"
" matrices \n\n", format, (int) B.blocksize, (int) B.alignment,
(int) scale,
(int) solver_par.verbose,
(int) solver_par.maxiter, solver_par.epsilon, precond,
(int) solver_par.num_eigenvalues);
while( i < argc ){
magma_c_csr_mtx( &A, argv[i] );
printf( "\n# matrix info: %d-by-%d with %d nonzeros\n\n",
(int) A.num_rows,(int) A.num_cols,(int) A.nnz );
// scale initial guess
magma_cmscale( &A, scaling );
solver_par.ev_length = A.num_cols;
magma_c_sparse_matrix A2;
A2.storage_type = Magma_SELLC;
A2.blocksize = 8;
A2.alignment = 4;
magma_c_mconvert( A, &A2, Magma_CSR, A2.storage_type );
// copy matrix to GPU
magma_c_mtransfer( A2, &dA, Magma_CPU, Magma_DEV);
magma_csolverinfo_init( &solver_par, &precond_par ); // inside the loop!
// as the matrix size has influence on the EV-length
real_Double_t gpu_time;
// Find the blockSize smallest eigenvalues and corresponding eigen-vectors
gpu_time = magma_wtime();
magma_clobpcg( dA, &solver_par );
gpu_time = magma_wtime() - gpu_time;
printf("Time (sec) = %7.2f\n", gpu_time);
printf("solver runtime (sec) = %7.2f\n", solver_par.runtime );
magma_csolverinfo_free( &solver_par, &precond_par );
magma_c_mfree( &dA );
magma_c_mfree( &A2 );
magma_c_mfree( &A );
i++;
}
TESTING_FINALIZE();
return 0;
}