[+ AutoGen5 template c +] /* ** Copyright (C) 2002-2011 Erik de Castro Lopo ** ** 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 #include #if HAVE_UNISTD_H #include #endif #if (HAVE_DECL_S_IRGRP == 0) #include #endif #include #include #include #include #include #include #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) ; [+ FOR data_type +]static void calc_[+ (get "type_name") +]_performance (int format, double read_rate, double write_rate) ; [+ ENDFOR data_type +] 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 */ /*------------------------------------------------------------------------------ */ [+ FOR data_type +]static void calc_[+ (get "type_name") +]_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 ; [+ (get "type_name") +] *[+ (get "type_name") +]_data ; const char *filename ; filename = "benchmark.dat" ; subtype = get_subtype_str (format & SF_FORMAT_SUBMASK) ; [+ (get "type_name") +]_data = data ; item_count = BUFFER_SIZE ; for (k = 0 ; k < item_count ; k++) [+ (get "type_name") +]_data [k] = [+ (get "multiplier") +] * sin (2 * M_PI * k / 32000.0) ; /* Collect write stats */ printf (" Write %-5s to %s : ", "[+ (get "type_name") +]", 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_[+ (get "type_name") +] (file, [+ (get "type_name") +]_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 : ", "[+ (get "type_name") +]", 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_[+ (get "type_name") +] (file, [+ (get "type_name") +]_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_[+ (get "type_name") +]_performance */ [+ ENDFOR data_type +] /*============================================================================== */ 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 */