546 lines
15 KiB
C
546 lines
15 KiB
C
/*
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** Copyright (C) 2002-2009 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "sfconfig.h"
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#include <stdio.h>
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#include <stdlib.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#if (HAVE_DECL_S_IRGRP == 0)
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#include <sf_unistd.h>
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#endif
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#include <string.h>
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#include <math.h>
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#include <time.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sndfile.h>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846264338
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#endif
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/*
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** Neat solution to the Win32/OS2 binary file flage requirement.
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** If O_BINARY isn't already defined by the inclusion of the system
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** headers, set it to zero.
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*/
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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#define WRITE_FLAGS (O_WRONLY | O_CREAT | O_TRUNC | O_BINARY)
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#define READ_FLAGS (O_RDONLY | O_BINARY)
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#if (defined (WIN32) || defined (_WIN32) || defined (__OS2__))
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#define WRITE_PERMS 0777
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#else
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#define WRITE_PERMS (S_IRUSR | S_IWUSR | S_IRGRP)
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#endif
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#define BUFFER_SIZE (1<<18)
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#define BLOCK_COUNT (30)
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#define TEST_DURATION (5) /* 5 Seconds. */
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typedef struct
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{ double write_rate ;
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double read_rate ;
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} PERF_STATS ;
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static void *data = NULL ;
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static void calc_raw_performance (PERF_STATS *stats) ;
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static void calc_short_performance (int format, double read_rate, double write_rate) ;
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static void calc_int_performance (int format, double read_rate, double write_rate) ;
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static void calc_float_performance (int format, double read_rate, double write_rate) ;
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static int cpu_is_big_endian (void) ;
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static const char* get_subtype_str (int subtype) ;
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int
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main (int argc, char *argv [])
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{ PERF_STATS stats ;
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char buffer [256] = "Benchmarking " ;
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int format_major ;
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if (! (data = malloc (BUFFER_SIZE * sizeof (double))))
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{ perror ("Error : malloc failed") ;
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exit (1) ;
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} ;
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sf_command (NULL, SFC_GET_LIB_VERSION, buffer + strlen (buffer), sizeof (buffer) - strlen (buffer)) ;
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puts (buffer) ;
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memset (buffer, '-', strlen (buffer)) ;
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puts (buffer) ;
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printf ("Each test takes a little over %d seconds.\n\n", TEST_DURATION) ;
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calc_raw_performance (&stats) ;
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if (argc < 2 || strcmp ("--native-only", argv [1]) == 0)
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{ puts ("\nNative endian I/O :") ;
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format_major = cpu_is_big_endian () ? SF_FORMAT_AIFF : SF_FORMAT_WAV ;
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calc_short_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
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calc_int_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
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calc_int_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
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calc_float_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
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calc_float_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
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calc_float_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
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calc_float_performance (format_major | SF_FORMAT_FLOAT , stats.read_rate, stats.write_rate) ;
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} ;
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if (argc < 2 || strcmp ("--swap-only", argv [1]) == 0)
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{ puts ("\nEndian swapped I/O :") ;
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format_major = cpu_is_big_endian () ? SF_FORMAT_WAV : SF_FORMAT_AIFF ;
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calc_short_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
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calc_int_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
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calc_int_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
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calc_float_performance (format_major | SF_FORMAT_PCM_16, stats.read_rate, stats.write_rate) ;
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calc_float_performance (format_major | SF_FORMAT_PCM_24, stats.read_rate, stats.write_rate) ;
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calc_float_performance (format_major | SF_FORMAT_PCM_32, stats.read_rate, stats.write_rate) ;
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calc_float_performance (format_major | SF_FORMAT_FLOAT , stats.read_rate, stats.write_rate) ;
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} ;
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puts ("") ;
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free (data) ;
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return 0 ;
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} /* main */
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/*==============================================================================
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*/
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static void
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calc_raw_performance (PERF_STATS *stats)
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{ clock_t start_clock, clock_time ;
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int fd, k, byte_count, retval, op_count ;
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const char *filename ;
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filename = "benchmark.dat" ;
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byte_count = BUFFER_SIZE * sizeof (short) ;
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/* Collect write stats */
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printf (" Raw write PCM_16 : ") ;
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fflush (stdout) ;
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clock_time = 0 ;
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op_count = 0 ;
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start_clock = clock () ;
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while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
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{ if ((fd = open (filename, WRITE_FLAGS, WRITE_PERMS)) < 0)
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{ printf ("Error : not able to open file : %s\n", filename) ;
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perror ("") ;
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exit (1) ;
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} ;
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for (k = 0 ; k < BLOCK_COUNT ; k++)
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{ if ((retval = write (fd, data, byte_count)) != byte_count)
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{ printf ("Error : write returned %d (should have been %d)\n", retval, byte_count) ;
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exit (1) ;
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} ;
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} ;
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close (fd) ;
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clock_time = clock () - start_clock ;
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op_count ++ ;
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} ;
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stats->write_rate = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
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stats->write_rate *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
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printf ("%10.0f samples per sec\n", stats->write_rate) ;
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/* Collect read stats */
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printf (" Raw read PCM_16 : ") ;
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fflush (stdout) ;
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clock_time = 0 ;
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op_count = 0 ;
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start_clock = clock () ;
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while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
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{ if ((fd = open (filename, READ_FLAGS)) < 0)
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{ printf ("Error : not able to open file : %s\n", filename) ;
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perror ("") ;
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exit (1) ;
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} ;
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for (k = 0 ; k < BLOCK_COUNT ; k++)
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{ if ((retval = read (fd, data, byte_count)) != byte_count)
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{ printf ("Error : write returned %d (should have been %d)\n", retval, byte_count) ;
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exit (1) ;
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} ;
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} ;
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close (fd) ;
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clock_time = clock () - start_clock ;
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op_count ++ ;
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} ;
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stats->read_rate = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
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stats->read_rate *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
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printf ("%10.0f samples per sec\n", stats->read_rate) ;
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unlink (filename) ;
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} /* calc_raw_performance */
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/*------------------------------------------------------------------------------
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*/
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static void
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calc_short_performance (int format, double read_rate, double write_rate)
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{ SNDFILE *file ;
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SF_INFO sfinfo ;
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clock_t start_clock, clock_time ;
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double performance ;
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int k, item_count, retval, op_count ;
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const char* subtype ;
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short *short_data ;
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const char *filename ;
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filename = "benchmark.dat" ;
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subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ;
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short_data = data ;
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item_count = BUFFER_SIZE ;
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for (k = 0 ; k < item_count ; k++)
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short_data [k] = 32700.0 * sin (2 * M_PI * k / 32000.0) ;
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/* Collect write stats */
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printf (" Write %-5s to %s : ", "short", subtype) ;
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fflush (stdout) ;
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sfinfo.channels = 1 ;
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sfinfo.format = format ;
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sfinfo.frames = 1 ;
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sfinfo.samplerate = 32000 ;
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clock_time = 0 ;
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op_count = 0 ;
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start_clock = clock () ;
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while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
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{ if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
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{ printf ("Error : not able to open file : %s\n", filename) ;
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perror ("") ;
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exit (1) ;
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} ;
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/* Turn off the addition of a PEAK chunk. */
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sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
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for (k = 0 ; k < BLOCK_COUNT ; k++)
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{ if ((retval = sf_write_short (file, short_data, item_count)) != item_count)
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{ printf ("Error : sf_write_short returned %d (should have been %d)\n", retval, item_count) ;
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exit (1) ;
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} ;
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} ;
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sf_close (file) ;
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clock_time = clock () - start_clock ;
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op_count ++ ;
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} ;
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performance = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
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performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
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printf ("%6.2f%% of raw write\n", 100.0 * performance / write_rate) ;
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/* Collect read stats */
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printf (" Read %-5s from %s : ", "short", subtype) ;
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fflush (stdout) ;
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clock_time = 0 ;
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op_count = 0 ;
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start_clock = clock () ;
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while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
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{ if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
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{ printf ("Error : not able to open file : %s\n", filename) ;
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perror ("") ;
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exit (1) ;
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} ;
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for (k = 0 ; k < BLOCK_COUNT ; k++)
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{ if ((retval = sf_read_short (file, short_data, item_count)) != item_count)
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{ printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
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exit (1) ;
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} ;
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} ;
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sf_close (file) ;
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clock_time = clock () - start_clock ;
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op_count ++ ;
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} ;
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performance = (1.0 * item_count) * BLOCK_COUNT * op_count ;
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performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
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printf ("%6.2f%% of raw read\n", 100.0 * performance / read_rate) ;
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unlink (filename) ;
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} /* calc_short_performance */
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static void
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calc_int_performance (int format, double read_rate, double write_rate)
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{ SNDFILE *file ;
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SF_INFO sfinfo ;
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clock_t start_clock, clock_time ;
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double performance ;
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int k, item_count, retval, op_count ;
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const char* subtype ;
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int *int_data ;
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const char *filename ;
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filename = "benchmark.dat" ;
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subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ;
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int_data = data ;
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item_count = BUFFER_SIZE ;
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for (k = 0 ; k < item_count ; k++)
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int_data [k] = 32700.0 * (1<<16) * sin (2 * M_PI * k / 32000.0) ;
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/* Collect write stats */
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printf (" Write %-5s to %s : ", "int", subtype) ;
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fflush (stdout) ;
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sfinfo.channels = 1 ;
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sfinfo.format = format ;
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sfinfo.frames = 1 ;
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sfinfo.samplerate = 32000 ;
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clock_time = 0 ;
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op_count = 0 ;
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start_clock = clock () ;
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while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
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{ if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
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{ printf ("Error : not able to open file : %s\n", filename) ;
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perror ("") ;
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exit (1) ;
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} ;
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/* Turn off the addition of a PEAK chunk. */
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sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
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for (k = 0 ; k < BLOCK_COUNT ; k++)
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{ if ((retval = sf_write_int (file, int_data, item_count)) != item_count)
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{ printf ("Error : sf_write_short returned %d (should have been %d)\n", retval, item_count) ;
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exit (1) ;
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} ;
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} ;
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sf_close (file) ;
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clock_time = clock () - start_clock ;
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op_count ++ ;
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} ;
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performance = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
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performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
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printf ("%6.2f%% of raw write\n", 100.0 * performance / write_rate) ;
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/* Collect read stats */
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printf (" Read %-5s from %s : ", "int", subtype) ;
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fflush (stdout) ;
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clock_time = 0 ;
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op_count = 0 ;
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start_clock = clock () ;
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while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
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{ if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
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{ printf ("Error : not able to open file : %s\n", filename) ;
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perror ("") ;
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exit (1) ;
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} ;
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for (k = 0 ; k < BLOCK_COUNT ; k++)
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{ if ((retval = sf_read_int (file, int_data, item_count)) != item_count)
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{ printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
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exit (1) ;
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} ;
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} ;
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sf_close (file) ;
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clock_time = clock () - start_clock ;
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op_count ++ ;
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} ;
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performance = (1.0 * item_count) * BLOCK_COUNT * op_count ;
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performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
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printf ("%6.2f%% of raw read\n", 100.0 * performance / read_rate) ;
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unlink (filename) ;
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} /* calc_int_performance */
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static void
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calc_float_performance (int format, double read_rate, double write_rate)
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{ SNDFILE *file ;
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SF_INFO sfinfo ;
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clock_t start_clock, clock_time ;
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double performance ;
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int k, item_count, retval, op_count ;
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const char* subtype ;
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float *float_data ;
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const char *filename ;
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filename = "benchmark.dat" ;
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subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ;
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float_data = data ;
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item_count = BUFFER_SIZE ;
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for (k = 0 ; k < item_count ; k++)
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float_data [k] = 1.0 * sin (2 * M_PI * k / 32000.0) ;
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/* Collect write stats */
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printf (" Write %-5s to %s : ", "float", subtype) ;
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fflush (stdout) ;
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sfinfo.channels = 1 ;
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sfinfo.format = format ;
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sfinfo.frames = 1 ;
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sfinfo.samplerate = 32000 ;
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clock_time = 0 ;
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op_count = 0 ;
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start_clock = clock () ;
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while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
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{ if (! (file = sf_open (filename, SFM_WRITE, &sfinfo)))
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{ printf ("Error : not able to open file : %s\n", filename) ;
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perror ("") ;
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exit (1) ;
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} ;
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/* Turn off the addition of a PEAK chunk. */
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sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
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for (k = 0 ; k < BLOCK_COUNT ; k++)
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{ if ((retval = sf_write_float (file, float_data, item_count)) != item_count)
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{ printf ("Error : sf_write_short returned %d (should have been %d)\n", retval, item_count) ;
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exit (1) ;
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} ;
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} ;
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sf_close (file) ;
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clock_time = clock () - start_clock ;
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op_count ++ ;
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} ;
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performance = (1.0 * BUFFER_SIZE) * BLOCK_COUNT * op_count ;
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performance *= (1.0 * CLOCKS_PER_SEC) / clock_time ;
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printf ("%6.2f%% of raw write\n", 100.0 * performance / write_rate) ;
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/* Collect read stats */
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printf (" Read %-5s from %s : ", "float", subtype) ;
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fflush (stdout) ;
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clock_time = 0 ;
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op_count = 0 ;
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start_clock = clock () ;
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while (clock_time < (CLOCKS_PER_SEC * TEST_DURATION))
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{ if (! (file = sf_open (filename, SFM_READ, &sfinfo)))
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{ printf ("Error : not able to open file : %s\n", filename) ;
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perror ("") ;
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exit (1) ;
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} ;
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for (k = 0 ; k < BLOCK_COUNT ; k++)
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{ if ((retval = sf_read_float (file, float_data, item_count)) != item_count)
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{ printf ("Error : write returned %d (should have been %d)\n", retval, item_count) ;
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exit (1) ;
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} ;
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} ;
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sf_close (file) ;
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clock_time = clock () - start_clock ;
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op_count ++ ;
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} ;
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|
|
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 */
|
|
|