diff options
Diffstat (limited to 'gnuradio-core/src/tests/benchmark_dotprod_fcc.cc')
-rw-r--r-- | gnuradio-core/src/tests/benchmark_dotprod_fcc.cc | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/gnuradio-core/src/tests/benchmark_dotprod_fcc.cc b/gnuradio-core/src/tests/benchmark_dotprod_fcc.cc deleted file mode 100644 index e9eeee43a1..0000000000 --- a/gnuradio-core/src/tests/benchmark_dotprod_fcc.cc +++ /dev/null @@ -1,152 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2002 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3, or (at your option) - * any later version. - * - * GNU Radio is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GNU Radio; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, - * Boston, MA 02110-1301, USA. - */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#include <stdio.h> -#include <sys/time.h> -#ifdef HAVE_SYS_RESOURCE_H -#include <sys/resource.h> -#endif -#include <unistd.h> -#include <gr_fir_util.h> -#include <gr_fir_fcc.h> -#include <random.h> - -#define TOTAL_TEST_SIZE (40 * 1000 * 1000L) -#define NTAPS 256 -#define BLOCK_SIZE (50 * 1000) /* fits in cache */ - -#if ((TOTAL_TEST_SIZE % BLOCK_SIZE) != 0) -#error "TOTAL_TEST_SIZE % BLOCK_SIZE must equal 0" -#endif - -typedef gr_fir_fcc* (*fir_maker_t)(const std::vector<gr_complex> &taps); -typedef gr_fir_fcc filter_t; - - -static double -timeval_to_double (const struct timeval *tv) -{ - return (double) tv->tv_sec + (double) tv->tv_usec * 1e-6; -} - - -static void -benchmark (fir_maker_t filter_maker, const char *implementation_name) -{ - int i; - gr_complex coeffs[NTAPS]; - float input[BLOCK_SIZE + NTAPS]; - long n; - gr_complex result; -#ifdef HAVE_SYS_RESOURCE_H - struct rusage rusage_start; - struct rusage rusage_stop; -#else - double clock_start; - double clock_end; -#endif - - - - // setup coefficients and input data - - for (i = 0; i < NTAPS; i++) - coeffs[i] = gr_complex(random() - RANDOM_MAX/2, random() - RANDOM_MAX/2); - - for (i = 0; i < BLOCK_SIZE + NTAPS; i++) - input[i] = random() - RANDOM_MAX/2; - - std::vector<gr_complex> taps (&coeffs[0], &coeffs[NTAPS]); - filter_t *f = filter_maker (taps); - - // get starting CPU usage -#ifdef HAVE_SYS_RESOURCE_H - if (getrusage (RUSAGE_SELF, &rusage_start) < 0){ - perror ("getrusage"); - exit (1); - } -#else - clock_start = (double) clock() * (1000000. / CLOCKS_PER_SEC); -#endif - - // do the actual work - - for (n = 0; n < TOTAL_TEST_SIZE; n += BLOCK_SIZE){ - int j; - for (j = 0; j < BLOCK_SIZE; j++){ - result = f->filter (&input[j]); - } - } - - // get ending CPU usage - -#ifdef HAVE_SYS_RESOURCE_H - if (getrusage (RUSAGE_SELF, &rusage_stop) < 0){ - perror ("getrusage"); - exit (1); - } - - // compute results - - double user = - timeval_to_double (&rusage_stop.ru_utime) - - timeval_to_double (&rusage_start.ru_utime); - - double sys = - timeval_to_double (&rusage_stop.ru_stime) - - timeval_to_double (&rusage_start.ru_stime); - - double total = user + sys; -#else - clock_end= (double) clock() * (1000000. / CLOCKS_PER_SEC); - double total = clock_end - clock_start; -#endif - - double macs = NTAPS * (double) TOTAL_TEST_SIZE; - - printf ("%10s: taps: %4d input: %4g cpu: %6.3f taps/sec: %10.4g \n", - implementation_name, NTAPS, (double) TOTAL_TEST_SIZE, total, macs / total); - - delete f; -} - -static void -do_all () -{ - std::vector<gr_fir_fcc_info> info; - gr_fir_util::get_gr_fir_fcc_info (&info); // get all known FCC implementations - - for (std::vector<gr_fir_fcc_info>::iterator p = info.begin (); - p != info.end () ; - ++p){ - benchmark (p->create, p->name); - } -} - -int -main (int argc, char **argv) -{ - do_all (); - return 0; -} |