freeswitch/libs/libsndfile/tests/benchmark.c
2009-05-21 21:09:30 +00:00

546 lines
15 KiB
C

/*
** Copyright (C) 2002-2009 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 "sfconfig.h"
#include <stdio.h>
#include <stdlib.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if (HAVE_DECL_S_IRGRP == 0)
#include <sf_unistd.h>
#endif
#include <string.h>
#include <math.h>
#include <time.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sndfile.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846264338
#endif
/*
** Neat solution to the Win32/OS2 binary file flage requirement.
** If O_BINARY isn't already defined by the inclusion of the system
** headers, set it to zero.
*/
#ifndef O_BINARY
#define O_BINARY 0
#endif
#define WRITE_FLAGS (O_WRONLY | O_CREAT | O_TRUNC | O_BINARY)
#define READ_FLAGS (O_RDONLY | O_BINARY)
#if (defined (WIN32) || defined (_WIN32) || defined (__OS2__))
#define WRITE_PERMS 0777
#else
#define WRITE_PERMS (S_IRUSR | S_IWUSR | S_IRGRP)
#endif
#define BUFFER_SIZE (1<<18)
#define BLOCK_COUNT (30)
#define TEST_DURATION (5) /* 5 Seconds. */
typedef struct
{ double write_rate ;
double read_rate ;
} PERF_STATS ;
static void *data = NULL ;
static void calc_raw_performance (PERF_STATS *stats) ;
static void calc_short_performance (int format, double read_rate, double write_rate) ;
static void calc_int_performance (int format, double read_rate, double write_rate) ;
static void calc_float_performance (int format, double read_rate, double write_rate) ;
static int cpu_is_big_endian (void) ;
static const char* get_subtype_str (int subtype) ;
int
main (int argc, char *argv [])
{ PERF_STATS stats ;
char buffer [256] = "Benchmarking " ;
int format_major ;
if (! (data = malloc (BUFFER_SIZE * sizeof (double))))
{ perror ("Error : malloc failed") ;
exit (1) ;
} ;
sf_command (NULL, SFC_GET_LIB_VERSION, buffer + strlen (buffer), sizeof (buffer) - strlen (buffer)) ;
puts (buffer) ;
memset (buffer, '-', strlen (buffer)) ;
puts (buffer) ;
printf ("Each test takes a little over %d seconds.\n\n", TEST_DURATION) ;
calc_raw_performance (&stats) ;
if (argc < 2 || strcmp ("--native-only", argv [1]) == 0)
{ puts ("\nNative endian I/O :") ;
format_major = cpu_is_big_endian () ? SF_FORMAT_AIFF : SF_FORMAT_WAV ;
calc_short_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
calc_int_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
calc_int_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
calc_float_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
calc_float_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
calc_float_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
calc_float_performance (format_major | SF_FORMAT_FLOAT , stats.read_rate, stats.write_rate) ;
} ;
if (argc < 2 || strcmp ("--swap-only", argv [1]) == 0)
{ puts ("\nEndian swapped I/O :") ;
format_major = cpu_is_big_endian () ? SF_FORMAT_WAV : SF_FORMAT_AIFF ;
calc_short_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
calc_int_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
calc_int_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
calc_float_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
calc_float_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
calc_float_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
calc_float_performance (format_major | SF_FORMAT_FLOAT , stats.read_rate, stats.write_rate) ;
} ;
puts ("") ;
free (data) ;
return 0 ;
} /* main */
/*==============================================================================
*/
static void
calc_raw_performance (PERF_STATS *stats)
{ clock_t start_clock, clock_time ;
int fd, k, byte_count, retval, op_count ;
const char *filename ;
filename = "benchmark.dat" ;
byte_count = BUFFER_SIZE * sizeof (short) ;
/* Collect write stats */
printf (" Raw write PCM_16 : ") ;
fflush (stdout) ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if ((fd = open (filename, WRITE_FLAGS, WRITE_PERMS)) < 0)
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = write (fd, data, byte_count)) != byte_count)
{ printf ("Error : write returned %d (should have been %d)\n", retval, byte_count) ;
exit (1) ;
} ;
} ;
close (fd) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
stats->write_rate = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
stats->write_rate *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%10.0f samples per sec\n", stats->write_rate) ;
/* Collect read stats */
printf (" Raw read PCM_16 : ") ;
fflush (stdout) ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if ((fd = open (filename, READ_FLAGS)) < 0)
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = read (fd, data, byte_count)) != byte_count)
{ printf ("Error : write returned %d (should have been %d)\n", retval, byte_count) ;
exit (1) ;
} ;
} ;
close (fd) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
stats->read_rate = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
stats->read_rate *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%10.0f samples per sec\n", stats->read_rate) ;
unlink (filename) ;
} /* calc_raw_performance */
/*------------------------------------------------------------------------------
*/
static void
calc_short_performance (int format, double read_rate, double write_rate)
{ SNDFILE *file ;
SF_INFO sfinfo ;
clock_t start_clock, clock_time ;
double performance ;
int k, item_count, retval, op_count ;
const char* subtype ;
short *short_data ;
const char *filename ;
filename = "benchmark.dat" ;
subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ;
short_data = data ;
item_count = BUFFER_SIZE ;
for (k = 0 ; k < item_count ; k++)
short_data [k] = 32700.0 * sin (2 * M_PI * k / 32000.0) ;
/* Collect write stats */
printf (" Write %-5s to %s : ", "short", subtype) ;
fflush (stdout) ;
sfinfo.channels = 1 ;
sfinfo.format = format ;
sfinfo.frames = 1 ;
sfinfo.samplerate = 32000 ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
/* Turn off the addition of a PEAK chunk. */
sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = sf_write_short (file, short_data, item_count)) != item_count)
{ printf ("Error : sf_write_short returned %d (should have been %d)\n", retval, item_count) ;
exit (1) ;
} ;
} ;
sf_close (file) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
performance = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%6.2f%% of raw write\n", 100.0 * performance / write_rate) ;
/* Collect read stats */
printf (" Read %-5s from %s : ", "short", subtype) ;
fflush (stdout) ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = sf_read_short (file, short_data, item_count)) != item_count)
{ printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
exit (1) ;
} ;
} ;
sf_close (file) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
performance = (1.0 * item_count) * BLOCK_COUNT * op_count ;
performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%6.2f%% of raw read\n", 100.0 * performance / read_rate) ;
unlink (filename) ;
} /* calc_short_performance */
static void
calc_int_performance (int format, double read_rate, double write_rate)
{ SNDFILE *file ;
SF_INFO sfinfo ;
clock_t start_clock, clock_time ;
double performance ;
int k, item_count, retval, op_count ;
const char* subtype ;
int *int_data ;
const char *filename ;
filename = "benchmark.dat" ;
subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ;
int_data = data ;
item_count = BUFFER_SIZE ;
for (k = 0 ; k < item_count ; k++)
int_data [k] = 32700.0 * (1<<16) * sin (2 * M_PI * k / 32000.0) ;
/* Collect write stats */
printf (" Write %-5s to %s : ", "int", subtype) ;
fflush (stdout) ;
sfinfo.channels = 1 ;
sfinfo.format = format ;
sfinfo.frames = 1 ;
sfinfo.samplerate = 32000 ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
/* Turn off the addition of a PEAK chunk. */
sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = sf_write_int (file, int_data, item_count)) != item_count)
{ printf ("Error : sf_write_short returned %d (should have been %d)\n", retval, item_count) ;
exit (1) ;
} ;
} ;
sf_close (file) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
performance = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%6.2f%% of raw write\n", 100.0 * performance / write_rate) ;
/* Collect read stats */
printf (" Read %-5s from %s : ", "int", subtype) ;
fflush (stdout) ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = sf_read_int (file, int_data, item_count)) != item_count)
{ printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
exit (1) ;
} ;
} ;
sf_close (file) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
performance = (1.0 * item_count) * BLOCK_COUNT * op_count ;
performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%6.2f%% of raw read\n", 100.0 * performance / read_rate) ;
unlink (filename) ;
} /* calc_int_performance */
static void
calc_float_performance (int format, double read_rate, double write_rate)
{ SNDFILE *file ;
SF_INFO sfinfo ;
clock_t start_clock, clock_time ;
double performance ;
int k, item_count, retval, op_count ;
const char* subtype ;
float *float_data ;
const char *filename ;
filename = "benchmark.dat" ;
subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ;
float_data = data ;
item_count = BUFFER_SIZE ;
for (k = 0 ; k < item_count ; k++)
float_data [k] = 1.0 * sin (2 * M_PI * k / 32000.0) ;
/* Collect write stats */
printf (" Write %-5s to %s : ", "float", subtype) ;
fflush (stdout) ;
sfinfo.channels = 1 ;
sfinfo.format = format ;
sfinfo.frames = 1 ;
sfinfo.samplerate = 32000 ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
/* Turn off the addition of a PEAK chunk. */
sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = sf_write_float (file, float_data, item_count)) != item_count)
{ printf ("Error : sf_write_short returned %d (should have been %d)\n", retval, item_count) ;
exit (1) ;
} ;
} ;
sf_close (file) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
performance = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%6.2f%% of raw write\n", 100.0 * performance / write_rate) ;
/* Collect read stats */
printf (" Read %-5s from %s : ", "float", subtype) ;
fflush (stdout) ;
clock_time = 0 ;
op_count = 0 ;
start_clock = clock () ;
while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
{ if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
{ printf ("Error : not able to open file : %s\n", filename) ;
perror ("") ;
exit (1) ;
} ;
for (k = 0 ; k < BLOCK_COUNT ; k++)
{ if ((retval = sf_read_float (file, float_data, item_count)) != item_count)
{ printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
exit (1) ;
} ;
} ;
sf_close (file) ;
clock_time = clock () - start_clock ;
op_count ++ ;
} ;
performance = (1.0 * item_count) * BLOCK_COUNT * op_count ;
performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
printf ("%6.2f%% of raw read\n", 100.0 * performance / read_rate) ;
unlink (filename) ;
} /* calc_float_performance */
/*==============================================================================
*/
static int
cpu_is_big_endian (void)
{ unsigned char *cptr ;
int endtest ;
endtest = 0x12345678 ;
cptr = (unsigned char*) (&endtest) ;
if (cptr [0] == 0x12 && cptr [1] == 0x34 && cptr [3] == 0x78)
return SF_TRUE ;
return SF_FALSE ;
} /* cpu_is_big_endian */
static const char*
get_subtype_str (int subtype)
{ switch (subtype)
{ case SF_FORMAT_PCM_16 :
return "PCM_16" ;
case SF_FORMAT_PCM_24 :
return "PCM_24" ;
case SF_FORMAT_PCM_32 :
return "PCM_32" ;
case SF_FORMAT_FLOAT :
return "FLOAT " ;
case SF_FORMAT_DOUBLE :
return "DOUBLE" ;
default : break ;
} ;
return "UNKNOWN" ;
} /* get_subtype_str */