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Diffstat (limited to 'gnuradio-core/src/tests/benchmark_dotprod_ccf.cc')
-rw-r--r--gnuradio-core/src/tests/benchmark_dotprod_ccf.cc153
1 files changed, 0 insertions, 153 deletions
diff --git a/gnuradio-core/src/tests/benchmark_dotprod_ccf.cc b/gnuradio-core/src/tests/benchmark_dotprod_ccf.cc
deleted file mode 100644
index ed3c491651..0000000000
--- a/gnuradio-core/src/tests/benchmark_dotprod_ccf.cc
+++ /dev/null
@@ -1,153 +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_ccf.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_ccf* (*fir_maker_t)(const std::vector<float> &taps);
-typedef gr_fir_ccf 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;
- float coeffs[NTAPS];
- //gr_complex input[BLOCK_SIZE + NTAPS]; // not always 16-bit aligned
- gr_complex *input = new gr_complex[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] = random() - RANDOM_MAX/2;
-
- for (i = 0; i < BLOCK_SIZE + NTAPS; i++)
- input[i] = gr_complex(random() - RANDOM_MAX/2, random() - RANDOM_MAX/2);
-
- std::vector<float> 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() / 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() / 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;
- delete [] input;
-}
-
-static void
-do_all ()
-{
- std::vector<gr_fir_ccf_info> info;
- gr_fir_util::get_gr_fir_ccf_info (&info); // get all known CCF implementations
-
- for (std::vector<gr_fir_ccf_info>::iterator p = info.begin ();
- p != info.end () ;
- ++p){
- benchmark (p->create, p->name);
- }
-}
-
-int
-main (int argc, char **argv)
-{
- do_all ();
- return 0;
-}