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Details: - Inserted "at Austin" into third clause of license declarations. Meant to include this change in previous commit.
259 lines
7.5 KiB
C
259 lines
7.5 KiB
C
/*
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BLIS
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An object-based framework for developing high-performance BLAS-like
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libraries.
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Copyright (C) 2014, The University of Texas at Austin
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of The University of Texas at Austin nor the names
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of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "blis.h"
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#include "test_libblis.h"
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// Static variables.
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static char* op_str = "setv";
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static char* o_types = "v"; // x
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static char* p_types = ""; // (no parameters)
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static thresh_t thresh[BLIS_NUM_FP_TYPES] = { { 1e-04, 1e-05 }, // warn, pass for s
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{ 1e-04, 1e-05 }, // warn, pass for c
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{ 1e-13, 1e-14 }, // warn, pass for d
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{ 1e-13, 1e-14 } }; // warn, pass for z
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// Local prototypes.
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void libblis_test_setv_deps( test_params_t* params,
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test_op_t* op );
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void libblis_test_setv_experiment( test_params_t* params,
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test_op_t* op,
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iface_t iface,
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num_t datatype,
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char* pc_str,
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char* sc_str,
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unsigned int p_cur,
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double* perf,
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double* resid );
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void libblis_test_setv_impl( iface_t iface,
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obj_t* beta,
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obj_t* x );
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void libblis_test_setv_check( obj_t* beta,
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obj_t* x,
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double* resid );
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void libblis_test_setv_deps( test_params_t* params, test_op_t* op )
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{
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libblis_test_randv( params, &(op->ops->randv) );
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}
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void libblis_test_setv( test_params_t* params, test_op_t* op )
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{
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// Return early if this test has already been done.
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if ( op->test_done == TRUE ) return;
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// Return early if operation is disabled.
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if ( op->op_switch == DISABLE_ALL ||
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op->ops->l1v_over == DISABLE_ALL ) return;
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// Call dependencies first.
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if ( TRUE ) libblis_test_setv_deps( params, op );
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// Execute the test driver for each implementation requested.
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if ( op->front_seq == ENABLE )
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{
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libblis_test_op_driver( params,
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op,
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BLIS_TEST_SEQ_FRONT_END,
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op_str,
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p_types,
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o_types,
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thresh,
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libblis_test_setv_experiment );
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}
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}
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void libblis_test_setv_experiment( test_params_t* params,
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test_op_t* op,
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iface_t iface,
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num_t datatype,
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char* pc_str,
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char* sc_str,
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unsigned int p_cur,
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double* perf,
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double* resid )
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{
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unsigned int n_repeats = params->n_repeats;
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unsigned int i;
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double time_min = 1e9;
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double time;
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dim_t m;
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obj_t beta;
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obj_t x;
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// Map the dimension specifier to an actual dimension.
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m = libblis_test_get_dim_from_prob_size( op->dim_spec[0], p_cur );
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// Map parameter characters to BLIS constants.
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// Create test scalars.
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bli_obj_scalar_init_detached( datatype, &beta );
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// Create test operands (vectors and/or matrices).
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libblis_test_vobj_create( params, datatype, sc_str[0], m, &x );
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// Initialize beta to unit.
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bli_copysc( &BLIS_ONE, &beta );
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// Randomize x.
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bli_randv( &x );
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// Repeat the experiment n_repeats times and record results.
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for ( i = 0; i < n_repeats; ++i )
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{
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time = bli_clock();
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libblis_test_setv_impl( iface, &beta, &x );
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time_min = bli_clock_min_diff( time_min, time );
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}
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// Estimate the performance of the best experiment repeat.
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*perf = ( 1.0 * m ) / time_min / FLOPS_PER_UNIT_PERF;
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if ( bli_obj_is_complex( x ) ) *perf *= 2.0;
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// Perform checks.
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libblis_test_setv_check( &beta, &x, resid );
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// Zero out performance and residual if output vector is empty.
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libblis_test_check_empty_problem( &x, perf, resid );
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// Free the test objects.
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bli_obj_free( &x );
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}
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void libblis_test_setv_impl( iface_t iface,
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obj_t* beta,
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obj_t* x )
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{
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switch ( iface )
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{
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case BLIS_TEST_SEQ_FRONT_END:
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bli_setv( beta, x );
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break;
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default:
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libblis_test_printf_error( "Invalid interface type.\n" );
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}
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}
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void libblis_test_setv_check( obj_t* beta,
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obj_t* x,
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double* resid )
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{
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num_t dt_x = bli_obj_datatype( *x );
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dim_t m_x = bli_obj_vector_dim( *x );
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inc_t inc_x = bli_obj_vector_inc( *x );
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void* buf_x = bli_obj_buffer_at_off( *x );
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void* buf_beta = bli_obj_buffer_for_1x1( dt_x, *beta );
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dim_t i;
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*resid = 0.0;
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//
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// The easiest way to check that setv was successful is to confirm
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// that each element of x is equal to beta.
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//
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if ( bli_obj_is_float( *x ) )
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{
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float* chi1 = buf_x;
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float* beta_cast = buf_beta;
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for ( i = 0; i < m_x; ++i )
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{
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if ( !bli_seq( *chi1, *beta_cast ) ) { *resid = 1.0; return; }
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chi1 += inc_x;
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}
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}
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else if ( bli_obj_is_double( *x ) )
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{
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double* chi1 = buf_x;
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double* beta_cast = buf_beta;
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for ( i = 0; i < m_x; ++i )
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{
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if ( !bli_deq( *chi1, *beta_cast ) ) { *resid = 1.0; return; }
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chi1 += inc_x;
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}
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}
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else if ( bli_obj_is_scomplex( *x ) )
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{
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scomplex* chi1 = buf_x;
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scomplex* beta_cast = buf_beta;
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for ( i = 0; i < m_x; ++i )
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{
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if ( !bli_ceq( *chi1, *beta_cast ) ) { *resid = 1.0; return; }
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chi1 += inc_x;
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}
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}
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else // if ( bli_obj_is_dcomplex( *x ) )
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{
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dcomplex* chi1 = buf_x;
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dcomplex* beta_cast = buf_beta;
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for ( i = 0; i < m_x; ++i )
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{
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if ( !bli_zeq( *chi1, *beta_cast ) ) { *resid = 1.0; return; }
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chi1 += inc_x;
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}
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}
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}
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