Example #1
0
void libblis_test_trmv_check( obj_t*  alpha,
                              obj_t*  a,
                              obj_t*  x,
                              obj_t*  x_orig,
                              double* resid )
{
	num_t   dt      = bli_obj_datatype( *x );
	num_t   dt_real = bli_obj_datatype_proj_to_real( *x );

	dim_t   m       = bli_obj_vector_dim( *x );

	uplo_t  uploa   = bli_obj_uplo( *a );
	trans_t transa  = bli_obj_conjtrans_status( *a );

	obj_t   a_local, y;
	obj_t   norm;

	double  junk;

	//
	// Pre-conditions:
	// - a is randomized and triangular.
	// - x is randomized.
	// Note:
	// - alpha should have a non-zero imaginary component in the
	//   complex cases in order to more fully exercise the implementation.
	//
	// Under these conditions, we assume that the implementation for
	//
	//   x := alpha * transa(A) * x_orig
	//
	// is functioning correctly if
	//
	//   fnorm( y - x )
	//
	// is negligible, where
	//
	//   y = alpha * conja(A_dense) * x_orig
	//

	bli_obj_init_scalar( dt_real, &norm );

	bli_obj_create( dt, m, 1, 0, 0, &y );
	bli_obj_create( dt, m, m, 0, 0, &a_local );

	bli_obj_set_struc( BLIS_TRIANGULAR, a_local );
	bli_obj_set_uplo( uploa, a_local );
	bli_obj_toggle_uplo_if_trans( transa, a_local );
	bli_copym( a, &a_local );
	bli_mktrim( &a_local );

	bli_obj_set_struc( BLIS_GENERAL, a_local );
	bli_obj_set_uplo( BLIS_DENSE, a_local );

	bli_gemv( alpha, &a_local, x_orig, &BLIS_ZERO, &y );

	bli_subv( x, &y );
	bli_fnormv( &y, &norm );
	bli_getsc( &norm, resid, &junk );

	bli_obj_free( &y );
	bli_obj_free( &a_local );
}
Example #2
0
void libblis_test_trsm_experiment
     (
       test_params_t* params,
       test_op_t*     op,
       iface_t        iface,
       num_t          datatype,
       char*          pc_str,
       char*          sc_str,
       unsigned int   p_cur,
       double*        perf,
       double*        resid
     )
{
	unsigned int n_repeats = params->n_repeats;
	unsigned int i;

	double       time_min  = 1e9;
	double       time;

	dim_t        m, n;
	dim_t        mn_side;

	side_t       side;
	uplo_t       uploa;
	trans_t      transa;
	diag_t       diaga;

	obj_t        alpha, a, b;
	obj_t        b_save;


	// Map the dimension specifier to actual dimensions.
	m = libblis_test_get_dim_from_prob_size( op->dim_spec[0], p_cur );
	n = libblis_test_get_dim_from_prob_size( op->dim_spec[1], p_cur );

	// Map parameter characters to BLIS constants.
	bli_param_map_char_to_blis_side( pc_str[0], &side );
	bli_param_map_char_to_blis_uplo( pc_str[1], &uploa );
	bli_param_map_char_to_blis_trans( pc_str[2], &transa );
	bli_param_map_char_to_blis_diag( pc_str[3], &diaga );

	// Create test scalars.
	bli_obj_scalar_init_detached( datatype, &alpha );

	// Create test operands (vectors and/or matrices).
	bli_set_dim_with_side( side, m, n, mn_side );
	libblis_test_mobj_create( params, datatype, transa,
	                          sc_str[0], mn_side, mn_side, &a );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[1], m,       n,       &b );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[1], m,       n,       &b_save );

	// Set alpha.
	if ( bli_obj_is_real( b ) )
	{
		bli_setsc(  2.0,  0.0, &alpha );
	}
	else
	{
		bli_setsc(  2.0,  0.0, &alpha );
	}

	// Set the structure and uplo properties of A.
	bli_obj_set_struc( BLIS_TRIANGULAR, a );
	bli_obj_set_uplo( uploa, a );

	// Randomize A, load the diagonal, make it densely triangular.
	libblis_test_mobj_randomize( params, TRUE, &a );
	libblis_test_mobj_load_diag( params, &a );
	bli_mktrim( &a );

	// Randomize B and save B.
	libblis_test_mobj_randomize( params, TRUE, &b );
	bli_copym( &b, &b_save );

	// Apply the remaining parameters.
	bli_obj_set_conjtrans( transa, a );
	bli_obj_set_diag( diaga, a );

	// Repeat the experiment n_repeats times and record results. 
	for ( i = 0; i < n_repeats; ++i )
	{
		bli_copym( &b_save, &b );

		time = bli_clock();

		libblis_test_trsm_impl( iface, side, &alpha, &a, &b );

		time_min = bli_clock_min_diff( time_min, time );
	}

	// Estimate the performance of the best experiment repeat.
	*perf = ( 1.0 * mn_side * m * n ) / time_min / FLOPS_PER_UNIT_PERF;
	if ( bli_obj_is_complex( b ) ) *perf *= 4.0;

	// Perform checks.
	libblis_test_trsm_check( params, side, &alpha, &a, &b, &b_save, resid );

	// Zero out performance and residual if output matrix is empty.
	libblis_test_check_empty_problem( &b, perf, resid );

	// Free the test objects.
	bli_obj_free( &a );
	bli_obj_free( &b );
	bli_obj_free( &b_save );
}
Example #3
0
void libblis_test_trmv_experiment( test_params_t* params,
                                   test_op_t*     op,
                                   mt_impl_t      impl,
                                   num_t          datatype,
                                   char*          pc_str,
                                   char*          sc_str,
                                   unsigned int   p_cur,
                                   double*        perf,
                                   double*        resid )
{
	unsigned int n_repeats = params->n_repeats;
	unsigned int i;

	double       time_min  = 1e9;
	double       time;

	dim_t        m;

	uplo_t       uploa;
	trans_t      transa;
	diag_t       diaga;

	obj_t        kappa;
	obj_t        alpha, a, x;
	obj_t        x_save;


	// Map the dimension specifier to an actual dimension.
	m = libblis_test_get_dim_from_prob_size( op->dim_spec[0], p_cur );

	// Map parameter characters to BLIS constants.
	bli_param_map_char_to_blis_uplo( pc_str[0], &uploa );
	bli_param_map_char_to_blis_trans( pc_str[1], &transa );
	bli_param_map_char_to_blis_diag( pc_str[2], &diaga );

	// Create test scalars.
	bli_obj_init_scalar( datatype, &alpha );
	bli_obj_init_scalar( datatype, &kappa );

	// Create test operands (vectors and/or matrices).
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[0], m, m, &a );
	libblis_test_vobj_create( params, datatype,
	                          sc_str[1], m,    &x );
	libblis_test_vobj_create( params, datatype,
	                          sc_str[1], m,    &x_save );

	// Set alpha.
	if ( bli_obj_is_real( x ) )
		bli_setsc( -1.0,  0.0, &alpha );
	else
		bli_setsc(  0.0, -1.0, &alpha );

	// Set the structure and uplo properties of A.
	bli_obj_set_struc( BLIS_TRIANGULAR, a );
	bli_obj_set_uplo( uploa, a );

	// Randomize A, make it densely triangular.
	bli_randm( &a );
	bli_mktrim( &a );

	// Randomize x and save.
	bli_randv( &x );
	bli_copyv( &x, &x_save );

	// Normalize vectors by m.
	bli_setsc( 1.0/( double )m, 0.0, &kappa );
	bli_scalv( &kappa, &x );
	bli_scalv( &kappa, &x_save );

	// Apply the remaining parameters.
	bli_obj_set_conjtrans( transa, a );
	bli_obj_set_diag( diaga, a );

	// Repeat the experiment n_repeats times and record results. 
	for ( i = 0; i < n_repeats; ++i )
	{
		bli_copym( &x_save, &x );

		time = bli_clock();

		libblis_test_trmv_impl( impl, &alpha, &a, &x );

		time_min = bli_clock_min_diff( time_min, time );
	}

	// Estimate the performance of the best experiment repeat.
	*perf = ( 1.0 * m * m ) / time_min / FLOPS_PER_UNIT_PERF;
	if ( bli_obj_is_complex( x ) ) *perf *= 4.0;

	// Perform checks.
	libblis_test_trmv_check( &alpha, &a, &x, &x_save, resid );

	// Zero out performance and residual if output vector is empty.
	libblis_test_check_empty_problem( &x, perf, resid );

	// Free the test objects.
	bli_obj_free( &a );
	bli_obj_free( &x );
	bli_obj_free( &x_save );
}
Example #4
0
int main( int argc, char** argv )
{
	obj_t a, b, c;
	obj_t c_save;
	obj_t alpha, beta;
	dim_t m, n;
	dim_t p;
	dim_t p_begin, p_end, p_inc;
	int   m_input, n_input;
	num_t dt_a, dt_b, dt_c;
	num_t dt_alpha, dt_beta;
	int   r, n_repeats;
	side_t side;
	uplo_t uplo;

	double dtime;
	double dtime_save;
	double gflops;

	bli_init();

	n_repeats = 3;

    if( argc < 7 ) 
    {   
        printf("Usage:\n");
        printf("test_foo.x m n k p_begin p_inc p_end:\n");
        exit;
    }   

    int world_size, world_rank, provided;
    MPI_Init_thread( NULL, NULL, MPI_THREAD_FUNNELED, &provided );
    MPI_Comm_size( MPI_COMM_WORLD, &world_size );
    MPI_Comm_rank( MPI_COMM_WORLD, &world_rank );

    m_input = strtol( argv[1], NULL, 10 );
    n_input = strtol( argv[2], NULL, 10 );
    p_begin = strtol( argv[4], NULL, 10 );
    p_inc   = strtol( argv[5], NULL, 10 );
    p_end   = strtol( argv[6], NULL, 10 );

#if 1
	dt_a = BLIS_DOUBLE;
	dt_b = BLIS_DOUBLE;
	dt_c = BLIS_DOUBLE;
	dt_alpha = BLIS_DOUBLE;
	dt_beta = BLIS_DOUBLE;
#else
	dt_a = dt_b = dt_c = dt_alpha = dt_beta = BLIS_DCOMPLEX;
#endif

	side = BLIS_LEFT;
	//side = BLIS_RIGHT;

	uplo = BLIS_LOWER;
	//uplo = BLIS_UPPER;

    for ( p = p_begin + world_rank * p_inc; p <= p_end; p += p_inc * world_size )
	{

		if ( m_input < 0 ) m = p * ( dim_t )abs(m_input);
		else               m =     ( dim_t )    m_input;
		if ( n_input < 0 ) n = p * ( dim_t )abs(n_input);
		else               n =     ( dim_t )    n_input;


		bli_obj_create( dt_alpha, 1, 1, 0, 0, &alpha );
		bli_obj_create( dt_beta,  1, 1, 0, 0, &beta );

		if ( bli_is_left( side ) )
			bli_obj_create( dt_a, m, m, 0, 0, &a );
		else
			bli_obj_create( dt_a, n, n, 0, 0, &a );
		bli_obj_create( dt_b, m, n, 0, 0, &b );
		bli_obj_create( dt_c, m, n, 0, 0, &c );
		bli_obj_create( dt_c, m, n, 0, 0, &c_save );

		bli_randm( &a );
		bli_randm( &b );
		bli_randm( &c );

		bli_obj_set_struc( BLIS_HERMITIAN, &a );
		bli_obj_set_uplo( uplo, &a );

		// Randomize A, make it densely Hermitian, and zero the unstored
		// triangle to ensure the implementation reads only from the stored
		// region.
		bli_randm( &a );
		bli_mkherm( &a );
		bli_mktrim( &a );
/*
		bli_obj_toggle_uplo( &a );
		bli_obj_inc_diag_offset( 1, &a );
		bli_setm( &BLIS_ZERO, &a );
		bli_obj_inc_diag_offset( -1, &a );
		bli_obj_toggle_uplo( &a );
		bli_obj_set_diag( BLIS_NONUNIT_DIAG, &a );
		bli_scalm( &BLIS_TWO, &a );
		bli_scalm( &BLIS_TWO, &a );
*/


		bli_setsc(  (2.0/1.0), 1.0, &alpha );
		bli_setsc( (1.0/1.0), 0.0, &beta );


		bli_copym( &c, &c_save );
	
		dtime_save = 1.0e9;

		for ( r = 0; r < n_repeats; ++r )
		{
			bli_copym( &c_save, &c );


			dtime = bli_clock();

#ifdef PRINT
/*
			obj_t ar, ai;
			bli_obj_alias_to( &a, &ar );
			bli_obj_alias_to( &a, &ai );
			bli_obj_set_dt( BLIS_DOUBLE, &ar ); ar.rs *= 2; ar.cs *= 2;
			bli_obj_set_dt( BLIS_DOUBLE, &ai ); ai.rs *= 2; ai.cs *= 2; ai.buffer = ( double* )ai.buffer + 1;
			bli_printm( "ar", &ar, "%4.1f", "" );
			bli_printm( "ai", &ai, "%4.1f", "" );
*/

			bli_printm( "a", &a, "%4.1f", "" );
			bli_printm( "b", &b, "%4.1f", "" );
			bli_printm( "c", &c, "%4.1f", "" );
#endif

#ifdef BLIS

			//bli_error_checking_level_set( BLIS_NO_ERROR_CHECKING );

			bli_hemm( side,
			//bli_hemm4m( side,
			          &alpha,
			          &a,
			          &b,
			          &beta,
			          &c );
#else

			f77_char side   = 'L';
			f77_char uplo   = 'L';
			f77_int  mm     = bli_obj_length( &c );
			f77_int  nn     = bli_obj_width( &c );
			f77_int  lda    = bli_obj_col_stride( &a );
			f77_int  ldb    = bli_obj_col_stride( &b );
			f77_int  ldc    = bli_obj_col_stride( &c );
			double*  alphap = bli_obj_buffer( &alpha );
			double*  ap     = bli_obj_buffer( &a );
			double*  bp     = bli_obj_buffer( &b );
			double*  betap  = bli_obj_buffer( &beta );
			double*  cp     = bli_obj_buffer( &c );

			dsymm_( &side,
			        &uplo,
			        &mm,
			        &nn,
			        alphap,
			        ap, &lda,
			        bp, &ldb,
			        betap,
			        cp, &ldc );
#endif

#ifdef PRINT
			bli_printm( "c after", &c, "%9.5f", "" );
			exit(1);
#endif

			dtime_save = bli_clock_min_diff( dtime_save, dtime );
		}

		if ( bli_is_left( side ) )
			gflops = ( 2.0 * m * m * n ) / ( dtime_save * 1.0e9 );
		else
			gflops = ( 2.0 * m * n * n ) / ( dtime_save * 1.0e9 );

		if ( bli_is_complex( dt_a ) ) gflops *= 4.0;

#ifdef BLIS
		printf( "data_hemm_blis" );
#else
		printf( "data_hemm_%s", BLAS );
#endif
		printf( "( %2lu, 1:4 ) = [ %4lu %4lu  %10.3e  %6.3f ];\n",
		        ( unsigned long )(p - p_begin + 1)/p_inc + 1,
		        ( unsigned long )m,
		        ( unsigned long )n, dtime_save, gflops );

		bli_obj_free( &alpha );
		bli_obj_free( &beta );

		bli_obj_free( &a );
		bli_obj_free( &b );
		bli_obj_free( &c );
		bli_obj_free( &c_save );
	}

	bli_finalize();

	return 0;
}
Example #5
0
void libblis_test_symv_experiment
     (
       test_params_t* params,
       test_op_t*     op,
       iface_t        iface,
       num_t          datatype,
       char*          pc_str,
       char*          sc_str,
       unsigned int   p_cur,
       double*        perf,
       double*        resid
     )
{
	unsigned int n_repeats = params->n_repeats;
	unsigned int i;

	double       time_min  = DBL_MAX;
	double       time;

	dim_t        m;

	uplo_t       uploa;
	conj_t       conja;
	conj_t       conjx;

	obj_t        alpha, a, x, beta, y;
	obj_t        y_save;


	// Map the dimension specifier to an actual dimension.
	m = libblis_test_get_dim_from_prob_size( op->dim_spec[0], p_cur );

	// Map parameter characters to BLIS constants.
	bli_param_map_char_to_blis_uplo( pc_str[0], &uploa );
	bli_param_map_char_to_blis_conj( pc_str[1], &conja );
	bli_param_map_char_to_blis_conj( pc_str[2], &conjx );

	// Create test scalars.
	bli_obj_scalar_init_detached( datatype, &alpha );
	bli_obj_scalar_init_detached( datatype, &beta );

	// Create test operands (vectors and/or matrices).
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[0], m, m, &a );
	libblis_test_vobj_create( params, datatype,
	                          sc_str[1], m,    &x );
	libblis_test_vobj_create( params, datatype,
	                          sc_str[2], m,    &y );
	libblis_test_vobj_create( params, datatype,
	                          sc_str[2], m,    &y_save );

	// Set alpha and beta.
	if ( bli_obj_is_real( &y ) )
	{
		bli_setsc(  1.0,  0.0, &alpha );
		bli_setsc( -1.0,  0.0, &beta );
	}
	else
	{
		bli_setsc(  0.5,  0.5, &alpha );
		bli_setsc( -0.5,  0.5, &beta );
	}

	// Set the structure and uplo properties of A.
	bli_obj_set_struc( BLIS_SYMMETRIC, &a );
	bli_obj_set_uplo( uploa, &a );

	// Randomize A, make it densely symmetric, and zero the unstored triangle
	// to ensure the implementation reads only from the stored region.
	libblis_test_mobj_randomize( params, TRUE, &a );
	bli_mksymm( &a );
	bli_mktrim( &a );

	// Randomize x and y, and save y.
	libblis_test_vobj_randomize( params, TRUE, &x );
	libblis_test_vobj_randomize( params, TRUE, &y );
	bli_copyv( &y, &y_save );

	// Apply the remaining parameters.
	bli_obj_set_conj( conja, &a );
	bli_obj_set_conj( conjx, &x );

	// Repeat the experiment n_repeats times and record results. 
	for ( i = 0; i < n_repeats; ++i )
	{
		bli_copym( &y_save, &y );

		time = bli_clock();

		libblis_test_symv_impl( iface, &alpha, &a, &x, &beta, &y );

		time_min = bli_clock_min_diff( time_min, time );
	}

	// Estimate the performance of the best experiment repeat.
	*perf = ( 1.0 * m * m ) / time_min / FLOPS_PER_UNIT_PERF;
	if ( bli_obj_is_complex( &y ) ) *perf *= 4.0;

	// Perform checks.
	libblis_test_symv_check( params, &alpha, &a, &x, &beta, &y, &y_save, resid );

	// Zero out performance and residual if output vector is empty.
	libblis_test_check_empty_problem( &y, perf, resid );

	// Free the test objects.
	bli_obj_free( &a );
	bli_obj_free( &x );
	bli_obj_free( &y );
	bli_obj_free( &y_save );
}
Example #6
0
void libblis_test_her2k_experiment
     (
       test_params_t* params,
       test_op_t*     op,
       iface_t        iface,
       num_t          datatype,
       char*          pc_str,
       char*          sc_str,
       unsigned int   p_cur,
       double*        perf,
       double*        resid
     )
{
	unsigned int n_repeats = params->n_repeats;
	unsigned int i;

	double       time_min  = DBL_MAX;
	double       time;

	dim_t        m, k;

	uplo_t       uploc;
	trans_t      transa, transb;

	obj_t        alpha, a, b, beta, c;
	obj_t        c_save;


	// Map the dimension specifier to actual dimensions.
	m = libblis_test_get_dim_from_prob_size( op->dim_spec[0], p_cur );
	k = libblis_test_get_dim_from_prob_size( op->dim_spec[1], p_cur );

	// Map parameter characters to BLIS constants.
	bli_param_map_char_to_blis_uplo( pc_str[0], &uploc );
	bli_param_map_char_to_blis_trans( pc_str[1], &transa );
	bli_param_map_char_to_blis_trans( pc_str[2], &transb );

	// Create test scalars.
	bli_obj_scalar_init_detached( datatype, &alpha );
	bli_obj_scalar_init_detached( datatype, &beta );

	// Create test operands (vectors and/or matrices).
	libblis_test_mobj_create( params, datatype, transa,
	                          sc_str[0], m, k, &a );
	libblis_test_mobj_create( params, datatype, transb,
	                          sc_str[1], m, k, &b );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[2], m, m, &c );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[2], m, m, &c_save );

	// Set alpha and beta.
	if ( bli_obj_is_real( c ) )
	{
		bli_setsc(  0.8, 0.0, &alpha );
		bli_setsc( -1.0, 0.0, &beta );
	}
	else
	{
		// For her2k, alpha may be complex, but beta must be real-valued
		// (in order to preserve the Hermitian structure of C).
		bli_setsc(  0.8, 0.5, &alpha );
		bli_setsc( -1.0, 0.0, &beta );
	}

	// Randomize A and B.
	libblis_test_mobj_randomize( params, TRUE, &a );
	libblis_test_mobj_randomize( params, TRUE, &b );

	// Set the structure and uplo properties of C.
	bli_obj_set_struc( BLIS_HERMITIAN, c );
	bli_obj_set_uplo( uploc, c );

	// Randomize A, make it densely Hermitian, and zero the unstored triangle
	// to ensure the implementation is reads only from the stored region.
	libblis_test_mobj_randomize( params, TRUE, &c );
	bli_mkherm( &c );
	bli_mktrim( &c );

	// Save C and set its structure and uplo properties.
	bli_obj_set_struc( BLIS_HERMITIAN, c_save );
	bli_obj_set_uplo( uploc, c_save );
	bli_copym( &c, &c_save );

	// Apply the remaining parameters.
	bli_obj_set_conjtrans( transa, a );
	bli_obj_set_conjtrans( transb, b );

	// Repeat the experiment n_repeats times and record results. 
	for ( i = 0; i < n_repeats; ++i )
	{
		bli_copym( &c_save, &c );

		time = bli_clock();

		libblis_test_her2k_impl( iface, &alpha, &a, &b, &beta, &c );

		time_min = bli_clock_min_diff( time_min, time );
	}

	// Estimate the performance of the best experiment repeat.
	*perf = ( 2.0 * m * m * k ) / time_min / FLOPS_PER_UNIT_PERF;
	if ( bli_obj_is_complex( c ) ) *perf *= 4.0;

	// Perform checks.
	libblis_test_her2k_check( params, &alpha, &a, &b, &beta, &c, &c_save, resid );

	// Zero out performance and residual if output matrix is empty.
	libblis_test_check_empty_problem( &c, perf, resid );

	// Free the test objects.
	bli_obj_free( &a );
	bli_obj_free( &b );
	bli_obj_free( &c );
	bli_obj_free( &c_save );
}
Example #7
0
int main( int argc, char** argv )
{
	obj_t    a, c;
	obj_t    c_save;
	obj_t    alpha;
	dim_t    m, n;
	dim_t    p;
	dim_t    p_begin, p_max, p_inc;
	int      m_input, n_input;
	ind_t    ind;
	num_t    dt;
	char     dt_ch;
	int      r, n_repeats;
	side_t   side;
	uplo_t   uploa;
	trans_t  transa;
	diag_t   diaga;
	f77_char f77_side;
	f77_char f77_uploa;
	f77_char f77_transa;
	f77_char f77_diaga;

	double   dtime;
	double   dtime_save;
	double   gflops;

	//bli_init();

	//bli_error_checking_level_set( BLIS_NO_ERROR_CHECKING );

	n_repeats = 3;

	dt      = DT;

	ind     = IND;

	p_begin = P_BEGIN;
	p_max   = P_MAX;
	p_inc   = P_INC;

	m_input = -1;
	n_input = -1;


	// Supress compiler warnings about unused variable 'ind'.
	( void )ind;

#if 0

	cntx_t* cntx;

	ind_t ind_mod = ind;

	// A hack to use 3m1 as 1mpb (with 1m as 1mbp).
	if ( ind == BLIS_3M1 ) ind_mod = BLIS_1M;

	// Initialize a context for the current induced method and datatype.
	cntx = bli_gks_query_ind_cntx( ind_mod, dt );

	// Set k to the kc blocksize for the current datatype.
	k_input = bli_cntx_get_blksz_def_dt( dt, BLIS_KC, cntx );

#elif 1

	//k_input = 256;

#endif

	// Choose the char corresponding to the requested datatype.
	if      ( bli_is_float( dt ) )    dt_ch = 's';
	else if ( bli_is_double( dt ) )   dt_ch = 'd';
	else if ( bli_is_scomplex( dt ) ) dt_ch = 'c';
	else                              dt_ch = 'z';

#if 0
	side   = BLIS_LEFT;
#else
	side   = BLIS_RIGHT;
#endif
#if 0
	uploa  = BLIS_LOWER;
#else
	uploa  = BLIS_UPPER;
#endif
	transa = BLIS_NO_TRANSPOSE;
	diaga  = BLIS_NONUNIT_DIAG;

	bli_param_map_blis_to_netlib_side( side, &f77_side );
	bli_param_map_blis_to_netlib_uplo( uploa, &f77_uploa );
	bli_param_map_blis_to_netlib_trans( transa, &f77_transa );
	bli_param_map_blis_to_netlib_diag( diaga, &f77_diaga );

	// Begin with initializing the last entry to zero so that
	// matlab allocates space for the entire array once up-front.
	for ( p = p_begin; p + p_inc <= p_max; p += p_inc ) ;

	printf( "data_%s_%ctrsm_%s", THR_STR, dt_ch, STR );
	printf( "( %2lu, 1:3 ) = [ %4lu %4lu %7.2f ];\n",
	        ( unsigned long )(p - p_begin + 1)/p_inc + 1,
	        ( unsigned long )0,
	        ( unsigned long )0, 0.0 );


	for ( p = p_begin; p <= p_max; p += p_inc )
	{

		if ( m_input < 0 ) m = p / ( dim_t )abs(m_input);
		else               m =     ( dim_t )    m_input;
		if ( n_input < 0 ) n = p / ( dim_t )abs(n_input);
		else               n =     ( dim_t )    n_input;

		bli_obj_create( dt, 1, 1, 0, 0, &alpha );

		if ( bli_is_left( side ) )
			bli_obj_create( dt, m, m, 0, 0, &a );
        else
			bli_obj_create( dt, n, n, 0, 0, &a );
		bli_obj_create( dt, m, n, 0, 0, &c );
		//bli_obj_create( dt, m, n, n, 1, &c );
		bli_obj_create( dt, m, n, 0, 0, &c_save );

		bli_randm( &a );
		bli_randm( &c );

		bli_obj_set_struc( BLIS_TRIANGULAR, &a );
		bli_obj_set_uplo( uploa, &a );
		bli_obj_set_conjtrans( transa, &a );
		bli_obj_set_diag( diaga, &a );

		bli_randm( &a );
		bli_mktrim( &a );

		// Load the diagonal of A to make it more likely to be invertible.
		bli_shiftd( &BLIS_TWO, &a );

		bli_setsc(  (2.0/1.0), 0.0, &alpha );

		bli_copym( &c, &c_save );
	
#if 0 //def BLIS
		bli_ind_disable_all_dt( dt );
		bli_ind_enable_dt( ind, dt );
#endif

		dtime_save = DBL_MAX;

		for ( r = 0; r < n_repeats; ++r )
		{
			bli_copym( &c_save, &c );

			dtime = bli_clock();

#ifdef PRINT
			bli_printm( "a", &a, "%4.1f", "" );
			bli_printm( "c", &c, "%4.1f", "" );
#endif

#ifdef BLIS

			bli_trsm( side,
			          &alpha,
			          &a,
			          &c );

#else

			if ( bli_is_float( dt ) )
			{
				f77_int   mm     = bli_obj_length( &c );
				f77_int   kk     = bli_obj_width( &c );
				f77_int   lda    = bli_obj_col_stride( &a );
				f77_int   ldc    = bli_obj_col_stride( &c );
				float*    alphap = ( float* )bli_obj_buffer( &alpha );
				float*    ap     = ( float* )bli_obj_buffer( &a );
				float*    cp     = ( float* )bli_obj_buffer( &c );

				strsm_( &f77_side,
						&f77_uploa,
						&f77_transa,
						&f77_diaga,
						&mm,
						&kk,
						alphap,
						ap, &lda,
						cp, &ldc );
			}
			else if ( bli_is_double( dt ) )
			{
				f77_int   mm     = bli_obj_length( &c );
				f77_int   kk     = bli_obj_width( &c );
				f77_int   lda    = bli_obj_col_stride( &a );
				f77_int   ldc    = bli_obj_col_stride( &c );
				double*   alphap = ( double* )bli_obj_buffer( &alpha );
				double*   ap     = ( double* )bli_obj_buffer( &a );
				double*   cp     = ( double* )bli_obj_buffer( &c );

				dtrsm_( &f77_side,
						&f77_uploa,
						&f77_transa,
						&f77_diaga,
						&mm,
						&kk,
						alphap,
						ap, &lda,
						cp, &ldc );
			}
			else if ( bli_is_scomplex( dt ) )
			{
				f77_int   mm     = bli_obj_length( &c );
				f77_int   kk     = bli_obj_width( &c );
				f77_int   lda    = bli_obj_col_stride( &a );
				f77_int   ldc    = bli_obj_col_stride( &c );
#ifdef EIGEN
				float*    alphap = ( float*    )bli_obj_buffer( &alpha );
				float*    ap     = ( float*    )bli_obj_buffer( &a );
				float*    cp     = ( float*    )bli_obj_buffer( &c );
#else
				scomplex* alphap = ( scomplex* )bli_obj_buffer( &alpha );
				scomplex* ap     = ( scomplex* )bli_obj_buffer( &a );
				scomplex* cp     = ( scomplex* )bli_obj_buffer( &c );
#endif

				ctrsm_( &f77_side,
						&f77_uploa,
						&f77_transa,
						&f77_diaga,
						&mm,
						&kk,
						alphap,
						ap, &lda,
						cp, &ldc );
			}
			else if ( bli_is_dcomplex( dt ) )
			{
				f77_int   mm     = bli_obj_length( &c );
				f77_int   kk     = bli_obj_width( &c );
				f77_int   lda    = bli_obj_col_stride( &a );
				f77_int   ldc    = bli_obj_col_stride( &c );
#ifdef EIGEN
				double*   alphap = ( double*   )bli_obj_buffer( &alpha );
				double*   ap     = ( double*   )bli_obj_buffer( &a );
				double*   cp     = ( double*   )bli_obj_buffer( &c );
#else
				dcomplex* alphap = ( dcomplex* )bli_obj_buffer( &alpha );
				dcomplex* ap     = ( dcomplex* )bli_obj_buffer( &a );
				dcomplex* cp     = ( dcomplex* )bli_obj_buffer( &c );
#endif

				ztrsm_( &f77_side,
						&f77_uploa,
						&f77_transa,
						&f77_diaga,
						&mm,
						&kk,
						alphap,
						ap, &lda,
						cp, &ldc );
			}
#endif

#ifdef PRINT
			bli_printm( "c after", &c, "%4.1f", "" );
			exit(1);
#endif

			dtime_save = bli_clock_min_diff( dtime_save, dtime );
		}

		if ( bli_is_left( side ) )
			gflops = ( 1.0 * m * m * n ) / ( dtime_save * 1.0e9 );
		else
			gflops = ( 1.0 * m * n * n ) / ( dtime_save * 1.0e9 );

		if ( bli_is_complex( dt ) ) gflops *= 4.0;

		printf( "data_%s_%ctrsm_%s", THR_STR, dt_ch, STR );
		printf( "( %2lu, 1:3 ) = [ %4lu %4lu %7.2f ];\n",
		        ( unsigned long )(p - p_begin + 1)/p_inc + 1,
		        ( unsigned long )m,
		        ( unsigned long )n, gflops );

		bli_obj_free( &alpha );

		bli_obj_free( &a );
		bli_obj_free( &c );
		bli_obj_free( &c_save );
	}

	//bli_finalize();

	return 0;
}
Example #8
0
void libblis_test_her_experiment( test_params_t* params,
                                  test_op_t*     op,
                                  iface_t        iface,
                                  num_t          datatype,
                                  char*          pc_str,
                                  char*          sc_str,
                                  unsigned int   p_cur,
                                  double*        perf,
                                  double*        resid )
{
	unsigned int n_repeats = params->n_repeats;
	unsigned int i;

	double       time_min  = 1e9;
	double       time;

	dim_t        m;

	uplo_t       uploa;
	conj_t       conjx;

	obj_t        alpha, x, a;
	obj_t        a_save;


	// Map the dimension specifier to an actual dimension.
	m = libblis_test_get_dim_from_prob_size( op->dim_spec[0], p_cur );

	// Map parameter characters to BLIS constants.
	bli_param_map_char_to_blis_uplo( pc_str[0], &uploa );
	bli_param_map_char_to_blis_conj( pc_str[1], &conjx );

	// Create test scalars.
	bli_obj_scalar_init_detached( datatype, &alpha );

	// Create test operands (vectors and/or matrices).
	libblis_test_vobj_create( params, datatype,
	                          sc_str[0], m,    &x );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[1], m, m, &a );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[1], m, m, &a_save );

	// Set alpha.
	//bli_copysc( &BLIS_MINUS_ONE, &alpha );
	bli_setsc( -1.0, 0.0, &alpha );

	// Randomize x.
	bli_randv( &x );

	// Set the structure and uplo properties of A.
	bli_obj_set_struc( BLIS_HERMITIAN, a );
	bli_obj_set_uplo( uploa, a );

	// Randomize A, make it densely Hermitian, and zero the unstored triangle
	// to ensure the implementation is reads only from the stored region.
	bli_randm( &a );
	bli_mkherm( &a );
	bli_mktrim( &a );

	// Save A and set its structure and uplo properties.
	bli_obj_set_struc( BLIS_HERMITIAN, a_save );
	bli_obj_set_uplo( uploa, a_save );
	bli_copym( &a, &a_save );

	// Apply the remaining parameters.
	bli_obj_set_conj( conjx, x );

	// Repeat the experiment n_repeats times and record results. 
	for ( i = 0; i < n_repeats; ++i )
	{
		bli_copym( &a_save, &a );

		time = bli_clock();

		libblis_test_her_impl( iface, &alpha, &x, &a );

		time_min = bli_clock_min_diff( time_min, time );
	}

	// Estimate the performance of the best experiment repeat.
	*perf = ( 1.0 * m * m ) / time_min / FLOPS_PER_UNIT_PERF;
	if ( bli_obj_is_complex( a ) ) *perf *= 4.0;

	// Perform checks.
	libblis_test_her_check( &alpha, &x, &a, &a_save, resid );

	// Zero out performance and residual if output matrix is empty.
	libblis_test_check_empty_problem( &a, perf, resid );

	// Free the test objects.
	bli_obj_free( &x );
	bli_obj_free( &a );
	bli_obj_free( &a_save );
}
Example #9
0
int main( int argc, char** argv )
{
	obj_t a, b, c;
	obj_t c_save;
	obj_t alpha, beta;
	dim_t m, n;
	dim_t p;
	dim_t p_begin, p_end, p_inc;
	int   m_input, n_input;
	num_t dt;
	int   r, n_repeats;
	side_t side;
	uplo_t uploa;
	f77_char f77_side;
	f77_char f77_uploa;

	double dtime;
	double dtime_save;
	double gflops;

	bli_init();

	//bli_error_checking_level_set( BLIS_NO_ERROR_CHECKING );

	n_repeats = 3;

#ifndef PRINT
	p_begin = 200;
	p_end   = 2000;
	p_inc   = 200;

	m_input = -1;
	n_input = -1;
#else
	p_begin = 16;
	p_end   = 16;
	p_inc   = 1;

	m_input = 4;
	n_input = 4;
#endif

#if 1
	//dt = BLIS_FLOAT;
	dt = BLIS_DOUBLE;
#else
	//dt = BLIS_SCOMPLEX;
	dt = BLIS_DCOMPLEX;
#endif

	side = BLIS_LEFT;
	//side = BLIS_RIGHT;

	uploa = BLIS_LOWER;
	//uploa = BLIS_UPPER;

	bli_param_map_blis_to_netlib_side( side, &f77_side );
	bli_param_map_blis_to_netlib_uplo( uploa, &f77_uploa );


	for ( p = p_begin; p <= p_end; p += p_inc )
	{
		if ( m_input < 0 ) m = p * ( dim_t )abs(m_input);
		else               m =     ( dim_t )    m_input;
		if ( n_input < 0 ) n = p * ( dim_t )abs(n_input);
		else               n =     ( dim_t )    n_input;

		bli_obj_create( dt, 1, 1, 0, 0, &alpha );
		bli_obj_create( dt, 1, 1, 0, 0, &beta );

		if ( bli_is_left( side ) )
			bli_obj_create( dt, m, m, 0, 0, &a );
		else
			bli_obj_create( dt, n, n, 0, 0, &a );
		bli_obj_create( dt, m, n, 0, 0, &b );
		bli_obj_create( dt, m, n, 0, 0, &c );
		bli_obj_create( dt, m, n, 0, 0, &c_save );

		bli_randm( &a );
		bli_randm( &b );
		bli_randm( &c );

		bli_obj_set_struc( BLIS_HERMITIAN, a );
		bli_obj_set_uplo( uploa, a );

		// Randomize A, make it densely Hermitian, and zero the unstored
		// triangle to ensure the implementation reads only from the stored
		// region.
		bli_randm( &a );
		bli_mkherm( &a );
		bli_mktrim( &a );
/*
		bli_obj_toggle_uplo( a );
		bli_obj_inc_diag_off( 1, a );
		bli_setm( &BLIS_ZERO, &a );
		bli_obj_inc_diag_off( -1, a );
		bli_obj_toggle_uplo( a );
		bli_obj_set_diag( BLIS_NONUNIT_DIAG, a );
		bli_scalm( &BLIS_TWO, &a );
		bli_scalm( &BLIS_TWO, &a );
*/

		bli_setsc(  (2.0/1.0), 1.0, &alpha );
		bli_setsc( -(1.0/1.0), 0.0, &beta );


		bli_copym( &c, &c_save );
	
		dtime_save = 1.0e9;

		for ( r = 0; r < n_repeats; ++r )
		{
			bli_copym( &c_save, &c );


			dtime = bli_clock();

#ifdef PRINT
			bli_printm( "a", &a, "%4.1f", "" );
			bli_printm( "b", &b, "%4.1f", "" );
			bli_printm( "c", &c, "%4.1f", "" );
#endif

#ifdef BLIS

			bli_hemm( side,
			          &alpha,
			          &a,
			          &b,
			          &beta,
			          &c );
#else

		if ( bli_is_float( dt ) )
		{
			f77_int  mm     = bli_obj_length( c );
			f77_int  nn     = bli_obj_width( c );
			f77_int  lda    = bli_obj_col_stride( a );
			f77_int  ldb    = bli_obj_col_stride( b );
			f77_int  ldc    = bli_obj_col_stride( c );
			float*   alphap = bli_obj_buffer( alpha );
			float*   ap     = bli_obj_buffer( a );
			float*   bp     = bli_obj_buffer( b );
			float*   betap  = bli_obj_buffer( beta );
			float*   cp     = bli_obj_buffer( c );

			ssymm_( &f77_side,
			        &f77_uploa,
			        &mm,
			        &nn,
			        alphap,
			        ap, &lda,
			        bp, &ldb,
			        betap,
			        cp, &ldc );
		}
		else if ( bli_is_double( dt ) )
		{
			f77_int  mm     = bli_obj_length( c );
			f77_int  nn     = bli_obj_width( c );
			f77_int  lda    = bli_obj_col_stride( a );
			f77_int  ldb    = bli_obj_col_stride( b );
			f77_int  ldc    = bli_obj_col_stride( c );
			double*  alphap = bli_obj_buffer( alpha );
			double*  ap     = bli_obj_buffer( a );
			double*  bp     = bli_obj_buffer( b );
			double*  betap  = bli_obj_buffer( beta );
			double*  cp     = bli_obj_buffer( c );

			dsymm_( &f77_side,
			        &f77_uploa,
			        &mm,
			        &nn,
			        alphap,
			        ap, &lda,
			        bp, &ldb,
			        betap,
			        cp, &ldc );
		}
		else if ( bli_is_scomplex( dt ) )
		{
			f77_int  mm     = bli_obj_length( c );
			f77_int  nn     = bli_obj_width( c );
			f77_int  lda    = bli_obj_col_stride( a );
			f77_int  ldb    = bli_obj_col_stride( b );
			f77_int  ldc    = bli_obj_col_stride( c );
			scomplex*  alphap = bli_obj_buffer( alpha );
			scomplex*  ap     = bli_obj_buffer( a );
			scomplex*  bp     = bli_obj_buffer( b );
			scomplex*  betap  = bli_obj_buffer( beta );
			scomplex*  cp     = bli_obj_buffer( c );

			chemm_( &f77_side,
			        &f77_uploa,
			        &mm,
			        &nn,
			        alphap,
			        ap, &lda,
			        bp, &ldb,
			        betap,
			        cp, &ldc );
		}
		else if ( bli_is_dcomplex( dt ) )
		{
			f77_int  mm     = bli_obj_length( c );
			f77_int  nn     = bli_obj_width( c );
			f77_int  lda    = bli_obj_col_stride( a );
			f77_int  ldb    = bli_obj_col_stride( b );
			f77_int  ldc    = bli_obj_col_stride( c );
			dcomplex*  alphap = bli_obj_buffer( alpha );
			dcomplex*  ap     = bli_obj_buffer( a );
			dcomplex*  bp     = bli_obj_buffer( b );
			dcomplex*  betap  = bli_obj_buffer( beta );
			dcomplex*  cp     = bli_obj_buffer( c );

			zhemm_( &f77_side,
			        &f77_uploa,
			        &mm,
			        &nn,
			        alphap,
			        ap, &lda,
			        bp, &ldb,
			        betap,
			        cp, &ldc );
		}
#endif

#ifdef PRINT
			bli_printm( "c after", &c, "%9.5f", "" );
			exit(1);
#endif

			dtime_save = bli_clock_min_diff( dtime_save, dtime );
		}

		if ( bli_is_left( side ) )
			gflops = ( 2.0 * m * m * n ) / ( dtime_save * 1.0e9 );
		else
			gflops = ( 2.0 * m * n * n ) / ( dtime_save * 1.0e9 );

		if ( bli_is_complex( dt ) ) gflops *= 4.0;

#ifdef BLIS
		printf( "data_hemm_blis" );
#else
		printf( "data_hemm_%s", BLAS );
#endif
		printf( "( %2lu, 1:4 ) = [ %4lu %4lu  %10.3e  %6.3f ];\n",
		        ( unsigned long )(p - p_begin + 1)/p_inc + 1,
		        ( unsigned long )m,
		        ( unsigned long )n, dtime_save, gflops );

		bli_obj_free( &alpha );
		bli_obj_free( &beta );

		bli_obj_free( &a );
		bli_obj_free( &b );
		bli_obj_free( &c );
		bli_obj_free( &c_save );
	}

	bli_finalize();

	return 0;
}
Example #10
0
void libblis_test_syrk_experiment( test_params_t* params,
                                   test_op_t*     op,
                                   mt_impl_t      impl,
                                   num_t          datatype,
                                   char*          pc_str,
                                   char*          sc_str,
                                   unsigned int   p_cur,
                                   double*        perf,
                                   double*        resid )
{
	unsigned int n_repeats = params->n_repeats;
	unsigned int i;

	double       time_min  = 1e9;
	double       time;

	dim_t        m, k;

	uplo_t       uploc;
	trans_t      transa;

	obj_t        kappa;
	obj_t        alpha, a, beta, c;
	obj_t        c_save;


	// Map the dimension specifier to actual dimensions.
	m = libblis_test_get_dim_from_prob_size( op->dim_spec[0], p_cur );
	k = libblis_test_get_dim_from_prob_size( op->dim_spec[1], p_cur );

	// Map parameter characters to BLIS constants.
	bli_param_map_char_to_blis_uplo( pc_str[0], &uploc );
	bli_param_map_char_to_blis_trans( pc_str[1], &transa );

	// Create test scalars.
	bli_obj_scalar_init_detached( datatype, &kappa );
	bli_obj_scalar_init_detached( datatype, &alpha );
	bli_obj_scalar_init_detached( datatype, &beta );

	// Create test operands (vectors and/or matrices).
	libblis_test_mobj_create( params, datatype, transa,
	                          sc_str[0], m, k, &a );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[1], m, m, &c );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[1], m, m, &c_save );

	// Set alpha and beta.
	if ( bli_obj_is_real( c ) )
	{
		bli_setsc(  1.2,  0.0, &alpha );
		bli_setsc( -1.0,  0.0, &beta );
	}
	else
	{
		// For syrk, both alpha and beta may be complex since, unlike herk,
		// C is symmetric in both the real and complex cases.
		bli_setsc(  1.2,  0.5, &alpha );
		bli_setsc( -1.0,  0.5, &beta );
	}

	// Randomize A.
	bli_randm( &a );

	// Set the structure and uplo properties of C.
	bli_obj_set_struc( BLIS_SYMMETRIC, c );
	bli_obj_set_uplo( uploc, c );

	// Randomize A, make it densely symmetric, and zero the unstored triangle
	// to ensure the implementation is reads only from the stored region.
	bli_randm( &c );
	bli_mksymm( &c );
	bli_mktrim( &c );

	// Save C and set its structure and uplo properties.
	bli_obj_set_struc( BLIS_SYMMETRIC, c_save );
	bli_obj_set_uplo( uploc, c_save );
	bli_copym( &c, &c_save );

	// Normalize by k.
	bli_setsc( 1.0/( double )k, 0.0, &kappa );
	bli_scalm( &kappa, &a );

	// Apply the remaining parameters.
	bli_obj_set_conjtrans( transa, a );

	// Repeat the experiment n_repeats times and record results. 
	for ( i = 0; i < n_repeats; ++i )
	{
		bli_copym( &c_save, &c );

		time = bli_clock();

		libblis_test_syrk_impl( impl, &alpha, &a, &beta, &c );

		time_min = bli_clock_min_diff( time_min, time );
	}

	// Estimate the performance of the best experiment repeat.
	*perf = ( 1.0 * m * m * k ) / time_min / FLOPS_PER_UNIT_PERF;
	if ( bli_obj_is_complex( c ) ) *perf *= 4.0;

	// Perform checks.
	libblis_test_syrk_check( &alpha, &a, &beta, &c, &c_save, resid );

	// Zero out performance and residual if output matrix is empty.
	libblis_test_check_empty_problem( &c, perf, resid );

	// Free the test objects.
	bli_obj_free( &a );
	bli_obj_free( &c );
	bli_obj_free( &c_save );
}
Example #11
0
void libblis_test_hemm_experiment( test_params_t* params,
                                   test_op_t*     op,
                                   iface_t        iface,
                                   num_t          datatype,
                                   char*          pc_str,
                                   char*          sc_str,
                                   unsigned int   p_cur,
                                   double*        perf,
                                   double*        resid )
{
	unsigned int n_repeats = params->n_repeats;
	unsigned int i;

	double       time_min  = 1e9;
	double       time;

	dim_t        m, n;
	dim_t        mn_side;

	side_t       side;
	uplo_t       uploa;
	conj_t       conja;
	trans_t      transb;

	obj_t        kappa;
	obj_t        alpha, a, b, beta, c;
	obj_t        c_save;


	// Map the dimension specifier to actual dimensions.
	m = libblis_test_get_dim_from_prob_size( op->dim_spec[0], p_cur );
	n = libblis_test_get_dim_from_prob_size( op->dim_spec[1], p_cur );

	// Map parameter characters to BLIS constants.
	bli_param_map_char_to_blis_side( pc_str[0], &side );
	bli_param_map_char_to_blis_uplo( pc_str[1], &uploa );
	bli_param_map_char_to_blis_conj( pc_str[2], &conja );
	bli_param_map_char_to_blis_trans( pc_str[3], &transb );

	// Create test scalars.
	bli_obj_scalar_init_detached( datatype, &kappa );
	bli_obj_scalar_init_detached( datatype, &alpha );
	bli_obj_scalar_init_detached( datatype, &beta );

	// Create test operands (vectors and/or matrices).
	bli_set_dim_with_side( side, m, n, mn_side );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[0], mn_side, mn_side, &a );
	libblis_test_mobj_create( params, datatype, transb,
	                          sc_str[1], m,       n,       &b );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[2], m,       n,       &c );
	libblis_test_mobj_create( params, datatype, BLIS_NO_TRANSPOSE,
	                          sc_str[2], m,       n,       &c_save );

	// Set alpha and beta.
	if ( bli_obj_is_real( c ) )
	{
		bli_setsc(  1.2,  0.0, &alpha );
		bli_setsc( -1.0,  0.0, &beta );
	}
	else
	{
		bli_setsc(  1.2,  0.8, &alpha );
		bli_setsc( -1.0,  1.0, &beta );
	}

	// Set the structure and uplo properties of A.
	bli_obj_set_struc( BLIS_HERMITIAN, a );
	bli_obj_set_uplo( uploa, a );

	// Randomize A, make it densely Hermitian, and zero the unstored triangle
	// to ensure the implementation reads only from the stored region.
	bli_randm( &a );
	bli_mkherm( &a );
	bli_mktrim( &a );

	// Randomize B and C, and save C.
	bli_randm( &b );
	bli_randm( &c );
	bli_copym( &c, &c_save );

	// Normalize by m.
	bli_setsc( 1.0/( double )m, 0.0, &kappa );
	bli_scalm( &kappa, &b );

	// Apply the remaining parameters.
	bli_obj_set_conj( conja, a );
	bli_obj_set_conjtrans( transb, b );

	// Repeat the experiment n_repeats times and record results. 
	for ( i = 0; i < n_repeats; ++i )
	{
		bli_copym( &c_save, &c );

		time = bli_clock();

		libblis_test_hemm_impl( iface, side, &alpha, &a, &b, &beta, &c );

		time_min = bli_clock_min_diff( time_min, time );
	}

	// Estimate the performance of the best experiment repeat.
	*perf = ( 2.0 * mn_side * m * n ) / time_min / FLOPS_PER_UNIT_PERF;
	if ( bli_obj_is_complex( c ) ) *perf *= 4.0;

	// Perform checks.
	libblis_test_hemm_check( side, &alpha, &a, &b, &beta, &c, &c_save, resid );

	// Zero out performance and residual if output matrix is empty.
	libblis_test_check_empty_problem( &c, perf, resid );

	// Free the test objects.
	bli_obj_free( &a );
	bli_obj_free( &b );
	bli_obj_free( &c );
	bli_obj_free( &c_save );
}
Example #12
0
int main( int argc, char** argv )
{
	obj_t a, x;
	obj_t x_save;
	obj_t alpha;
	dim_t m;
	dim_t p;
	dim_t p_begin, p_end, p_inc;
	int   m_input;
	num_t dt_a, dt_x;
	num_t dt_alpha;
	int   r, n_repeats;
	uplo_t uplo;

	double dtime;
	double dtime_save;
	double gflops;

	//bli_init();

	n_repeats = 3;

#ifndef PRINT
	p_begin = 40;
	p_end   = 2000;
	p_inc   = 40;

	m_input = -1;
#else
	p_begin = 16;
	p_end   = 16;
	p_inc   = 1;

	m_input = 15;
	n_input = 15;
#endif

	dt_alpha = dt_a = dt_x = BLIS_DOUBLE;

	uplo = BLIS_LOWER;

	// Begin with initializing the last entry to zero so that
	// matlab allocates space for the entire array once up-front.
	for ( p = p_begin; p + p_inc <= p_end; p += p_inc ) ;
#ifdef BLIS
	printf( "data_trsv_blis" );
#else
	printf( "data_trv_%s", BLAS );
#endif
	printf( "( %2lu, 1:2 ) = [ %4lu %7.2f ];\n",
	        ( unsigned long )(p - p_begin + 1)/p_inc + 1,
	        ( unsigned long )0, 0.0 );

	for ( p = p_begin; p <= p_end; p += p_inc )
	{

		if ( m_input < 0 ) m = p * ( dim_t )abs(m_input);
		else               m =     ( dim_t )    m_input;


		bli_obj_create( dt_alpha, 1, 1, 0, 0, &alpha );

		bli_obj_create( dt_a, m, m, 0, 0, &a );
		bli_obj_create( dt_x, m, 1, 0, 0, &x );
		bli_obj_create( dt_x, m, 1, 0, 0, &x_save );

		bli_randm( &a );
		bli_randm( &x );

		bli_obj_set_struc( BLIS_TRIANGULAR, &a );
		bli_obj_set_uplo( uplo, &a );
		bli_obj_set_onlytrans( BLIS_NO_TRANSPOSE, &a );
		bli_obj_set_diag( BLIS_NONUNIT_DIAG, &a );

		// Randomize A and zero the unstored triangle to ensure the
		// implementation reads only from the stored region.
		bli_randm( &a );
		bli_mktrim( &a );

		// Load the diagonal of A to make it more likely to be invertible.
		bli_shiftd( &BLIS_TWO, &a );

		bli_setsc(  (1.0/1.0), 0.0, &alpha );


		bli_copym( &x, &x_save );
	
		dtime_save = DBL_MAX;

		for ( r = 0; r < n_repeats; ++r )
		{
			bli_copym( &x_save, &x );


			dtime = bli_clock();

#ifdef PRINT
			bli_printm( "a", &a, "%4.1f", "" );
			bli_printm( "x", &x, "%4.1f", "" );
#endif

#ifdef BLIS

			bli_trsv( &BLIS_ONE,
			          &a,
			          &x );

#else

			f77_char uploa  = 'L';
			f77_char transa = 'N';
			f77_char diaga  = 'N';
			f77_int  mm     = bli_obj_length( &a );
			f77_int  lda    = bli_obj_col_stride( &a );
			f77_int  incx   = bli_obj_vector_inc( &x );
			double*  ap     = bli_obj_buffer( &a );
			double*  xp     = bli_obj_buffer( &x );

			dtrsv_( &uploa,
			        &transa,
			        &diaga,
			        &mm,
			        ap, &lda,
			        xp, &incx );
#endif

#ifdef PRINT
			bli_printm( "x after", &x, "%4.1f", "" );
			exit(1);
#endif


			dtime_save = bli_clock_min_diff( dtime_save, dtime );
		}

		gflops = ( 1.0 * m * m ) / ( dtime_save * 1.0e9 );

#ifdef BLIS
		printf( "data_trsv_blis" );
#else
		printf( "data_trsv_%s", BLAS );
#endif
		printf( "( %2lu, 1:2 ) = [ %4lu %7.2f ];\n",
		        ( unsigned long )(p - p_begin + 1)/p_inc + 1,
		        ( unsigned long )m, gflops );

		bli_obj_free( &alpha );

		bli_obj_free( &a );
		bli_obj_free( &x );
		bli_obj_free( &x_save );
	}

	//bli_finalize();

	return 0;
}