ref: b248639ae1dc834740d2286c11caacdba87b9a63
parent: d5b699e15f5e81bfef1081ac7fb8896b18b6bd2d
author: Erik de Castro Lopo <erikd@mega-nerd.com>
date: Thu Dec 11 05:54:23 EST 2008
Add file tests/multichan_throughput_test.c and hook into build.
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,9 @@
* configure.ac
Various updates.
+ * tests/multichan_throughput_test.c tests/Makefile.am
+ Add new test and hook into build.
+
2008-11-11 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
* doc/index.html
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,7 +1,8 @@
noinst_PROGRAMS = misc_test termination_test simple_test callback_test \
reset_test multi_channel_test snr_bw_test \
float_short_test varispeed_test callback_hang_test \
- src-evaluate throughput_test downsample_test
+ src-evaluate throughput_test multichan_throughput_test \
+ downsample_test
SAMPLRATEDIR =../src
INCLUDES = -I$(srcdir)/$(SAMPLRATEDIR)
@@ -48,13 +49,17 @@
# This program is for evaluating other sample rate converters.
-src_evaluate_SOURCES = src-evaluate.c calc_snr.c util.c
-src_evaluate_CFLAGS = @SNDFILE_CFLAGS@ @FFTW3_CFLAGS@
-src_evaluate_LDADD = $(SNDFILE_LIBS) $(FFTW3_LIBS)
-
throughput_test_CFLAGS = $(AM_CFLAGS) @FFTW3_CFLAGS@
throughput_test_SOURCES = throughput_test.c util.c calc_snr.c
throughput_test_LDADD = $(SAMPLRATEDIR)/libsamplerate.la $(FFTW3_LIBS)
+
+multichan_throughput_test_CFLAGS = $(AM_CFLAGS) @FFTW3_CFLAGS@
+multichan_throughput_test_SOURCES = multichan_throughput_test.c util.c calc_snr.c
+multichan_throughput_test_LDADD = $(SAMPLRATEDIR)/libsamplerate.la $(FFTW3_LIBS)
+
+src_evaluate_SOURCES = src-evaluate.c calc_snr.c util.c
+src_evaluate_CFLAGS = @SNDFILE_CFLAGS@ @FFTW3_CFLAGS@
+src_evaluate_LDADD = $(SNDFILE_LIBS) $(FFTW3_LIBS)
#===============================================================================
--- /dev/null
+++ b/tests/multichan_throughput_test.c
@@ -1,0 +1,215 @@
+/*
+** Copyright (C) 2008 Erik de Castro Lopo <erikd@mega-nerd.com>
+**
+** This program 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 2 of the License, or
+** (at your option) any later version.
+**
+** This program 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 this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <samplerate.h>
+
+#include "config.h"
+
+#include "util.h"
+#include "float_cast.h"
+
+#define BUFFER_LEN (1<<17)
+
+static float input [BUFFER_LEN] ;
+static float output [BUFFER_LEN] ;
+
+static long
+throughput_test (int converter, int channels, long best_throughput)
+{ SRC_DATA src_data ;+ clock_t start_time, clock_time ;
+ double duration ;
+ long total_frames = 0, throughput ;
+ int error ;
+
+ printf (" %-30s %2d ", src_get_name (converter), channels) ;+ fflush (stdout) ;
+
+ src_data.data_in = input ;
+ src_data.input_frames = ARRAY_LEN (input) / channels ;
+
+ src_data.data_out = output ;
+ src_data.output_frames = ARRAY_LEN (output) / channels ;
+
+ src_data.src_ratio = 0.99 ;
+
+ sleep (2) ;
+
+ start_time = clock () ;
+
+ do
+ {+ if ((error = src_simple (&src_data, converter, channels)) != 0)
+ { puts (src_strerror (error)) ;+ exit (1) ;
+ } ;
+
+ total_frames += src_data.output_frames_gen ;
+
+ clock_time = clock () - start_time ;
+ duration = (1.0 * clock_time) / CLOCKS_PER_SEC ;
+ }
+ while (duration < 5.0) ;
+
+ if (src_data.input_frames_used != src_data.input_frames)
+ { printf ("\n\nLine %d : input frames used %ld should be %ld\n", __LINE__, src_data.input_frames_used, src_data.input_frames) ;+ exit (1) ;
+ } ;
+
+ if (fabs (src_data.src_ratio * src_data.input_frames_used - src_data.output_frames_gen) > 2)
+ { printf ("\n\nLine %d : input / output length mismatch.\n\n", __LINE__) ;+ printf (" input len : %d\n", ARRAY_LEN (input) / channels) ;+ printf (" output len : %ld (should be %g +/- 2)\n\n", src_data.output_frames_gen,+ floor (0.5 + src_data.src_ratio * src_data.input_frames_used)) ;
+ exit (1) ;
+ } ;
+
+ throughput = lrint (floor (total_frames / duration)) ;
+
+ if (best_throughput == 0)
+ { best_throughput = MAX (throughput, best_throughput) ;+ printf ("%5.2f %10ld\n", duration, throughput) ;+ }
+ else
+ { best_throughput = MAX (throughput, best_throughput) ;+ printf ("%5.2f %10ld %10ld\n", duration, throughput, best_throughput) ;+ }
+
+ return best_throughput ;
+} /* throughput_test */
+
+static void
+single_run (void)
+{+
+ printf ("\n CPU : ") ;+ print_cpu_name () ;
+
+ puts (
+ "\n"
+ " Converter Channels Duration Throughput\n"
+ " ---------------------------------------------------------------------"
+ ) ;
+
+ throughput_test (SRC_SINC_FASTEST, 1, 0) ;
+ throughput_test (SRC_SINC_FASTEST, 2, 0) ;
+ throughput_test (SRC_SINC_FASTEST, 3, 0) ;
+ throughput_test (SRC_SINC_FASTEST, 4, 0) ;
+ throughput_test (SRC_SINC_FASTEST, 5, 0) ;
+
+ throughput_test (SRC_SINC_MEDIUM_QUALITY, 1, 0) ;
+ throughput_test (SRC_SINC_BEST_QUALITY, 1, 0) ;
+
+ puts ("") ;+ return ;
+} /* single_run */
+
+static void
+multi_run (int run_count)
+{ int k, ch ;+
+ printf ("\n CPU name : ") ;+ print_cpu_name () ;
+
+ puts (
+ "\n"
+ " Converter Channels Duration Throughput Best Throughput\n"
+ " ----------------------------------------------------------------------------------------"
+ ) ;
+
+ for (ch = 1 ; ch <= 5 ; ch++)
+ { long sinc_fastest = 0, sinc_medium = 0, sinc_best = 0 ;+
+ for (k = 0 ; k < run_count ; k++)
+ { sinc_fastest = throughput_test (SRC_SINC_FASTEST, ch, sinc_fastest) ;+ sinc_medium = throughput_test (SRC_SINC_MEDIUM_QUALITY, ch, sinc_medium) ;
+ sinc_best = throughput_test (SRC_SINC_BEST_QUALITY, ch, sinc_best) ;
+
+ puts ("") ;+
+ /* Let the CPU cool down. We might be running on a laptop. */
+ sleep (10) ;
+ } ;
+
+ puts (
+ "\n"
+ " Converter Best Throughput\n"
+ " ------------------------------------------------"
+ ) ;
+
+ printf (" %-30s %10ld\n", src_get_name (SRC_SINC_FASTEST), sinc_fastest) ;+ printf (" %-30s %10ld\n", src_get_name (SRC_SINC_MEDIUM_QUALITY), sinc_medium) ;+ printf (" %-30s %10ld\n", src_get_name (SRC_SINC_BEST_QUALITY), sinc_best) ;+ } ;
+
+ puts ("") ;+} /* multi_run */
+
+static void
+usage_exit (const char * argv0)
+{ const char * cptr ;+
+ if ((cptr = strrchr (argv0, '/')) != NULL)
+ argv0 = cptr ;
+
+ printf (
+ "Usage :\n"
+ " %s - Single run of the throughput test.\n"
+ " %s --best-of N - Do N runs of test a print bext result.\n"
+ "\n",
+ argv0, argv0) ;
+
+ exit (0) ;
+} /* usage_exit */
+
+int
+main (int argc, char ** argv)
+{ double freq ;+
+ memset (input, 0, sizeof (input)) ;
+ freq = 0.01 ;
+ gen_windowed_sines (1, &freq, 1.0, input, BUFFER_LEN) ;
+
+ if (argc == 1)
+ single_run () ;
+ else if (argc == 3 && strcmp (argv [1], "--best-of") == 0)
+ { int run_count = atoi (argv [2]) ;+
+ if (run_count < 1 || run_count > 20)
+ { printf ("Please be sensible. Run count should be in range (1, 10].\n") ;+ exit (1) ;
+ } ;
+
+ multi_run (run_count) ;
+ }
+ else
+ usage_exit (argv [0]) ;
+
+ puts (
+ " Duration is in seconds.\n"
+ " Throughput is in frames/sec (more is better).\n"
+ ) ;
+
+ return 0 ;
+} /* main */
+