diff options
Diffstat (limited to 'microbench')
| -rw-r--r-- | microbench/CMakeLists.txt | 17 | ||||
| -rw-r--r-- | microbench/Makefile.am | 42 | ||||
| -rw-r--r-- | microbench/Makefile.in | 676 | ||||
| -rw-r--r-- | microbench/benchmark_residual.c | 151 | ||||
| -rw-r--r-- | microbench/util.c | 205 | ||||
| -rw-r--r-- | microbench/util.h | 43 |
6 files changed, 1134 insertions, 0 deletions
diff --git a/microbench/CMakeLists.txt b/microbench/CMakeLists.txt new file mode 100644 index 0000000..639915b --- /dev/null +++ b/microbench/CMakeLists.txt @@ -0,0 +1,17 @@ +if(MSVC) + return() +endif() + +set(CMAKE_REQUIRED_LIBRARIES rt) +check_function_exists(clock_gettime HAVE_CLOCK_GETTIME) + +if(APPLE) + add_definitions(-DFLAC__SYS_DARWIN) +endif() + +add_executable(benchmark_residual benchmark_residual.c util.c) +target_include_directories(benchmark_residual PRIVATE + "$<TARGET_PROPERTY:FLAC,SOURCE_DIR>/include") +target_link_libraries(benchmark_residual + FLAC + $<$<BOOL:${HAVE_CLOCK_GETTIME}>:rt>) diff --git a/microbench/Makefile.am b/microbench/Makefile.am new file mode 100644 index 0000000..81de3ad --- /dev/null +++ b/microbench/Makefile.am @@ -0,0 +1,42 @@ +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2015-2023 Xiph.Org Foundation +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the Xiph.org Foundation nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/src/libFLAC/include + +noinst_HEADERS = util.h + +noinst_PROGRAMS = benchmark_residual + +benchmark_residual_SOURCES = benchmark_residual.c util.c + +benchmark_residual_LDADD = @LIB_CLOCK_GETTIME@ + +EXTRA_DIST = CMakeLists.txt diff --git a/microbench/Makefile.in b/microbench/Makefile.in new file mode 100644 index 0000000..c3d3e67 --- /dev/null +++ b/microbench/Makefile.in @@ -0,0 +1,676 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2015-2023 Xiph.Org Foundation +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the Xiph.org Foundation nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. 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IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <math.h> +#include <string.h> +#include "FLAC/ordinals.h" +#include "share/compat.h" +#include "private/bitmath.h" +#include "private/fixed.h" +#include "private/macros.h" +#include "FLAC/assert.h" + +#include "util.h" + +static void FLAC__fixed_compute_residual_shift(const FLAC__int32 data[], unsigned data_len, unsigned order, FLAC__int32 residual[]) +{ + const int idata_len = (int) data_len; + int i; + + switch(order) { + case 0: + FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0])); + memcpy(residual, data, sizeof(residual[0])*data_len); + break; + case 1: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - data[i-1]; + break; + case 2: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - (data[i-1] << 1) + data[i-2]; + break; + case 3: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - (((data[i-1]-data[i-2])<<1) + (data[i-1]-data[i-2])) - data[i-3]; + break; + case 4: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - ((data[i-1]+data[i-3])<<2) + ((data[i-2]<<2) + (data[i-2]<<1)) + data[i-4]; + break; + default: + FLAC__ASSERT(0); + } +} + +static void FLAC__fixed_compute_residual_mult(const FLAC__int32 data[], unsigned data_len, unsigned order, FLAC__int32 residual[]) +{ + const int idata_len = (int)data_len; + int i; + + switch(order) { + case 0: + FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0])); + memcpy(residual, data, sizeof(residual[0])*data_len); + break; + case 1: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - data[i-1]; + break; + case 2: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - 2*data[i-1] + data[i-2]; + break; + case 3: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - 3*data[i-1] + 3*data[i-2] - data[i-3]; + break; + case 4: + for(i = 0; i < idata_len; i++) + residual[i] = data[i] - 4*data[i-1] + 6*data[i-2] - 4*data[i-3] + data[i-4]; + break; + default: + FLAC__ASSERT(0); + } +} + +static FLAC__int32 data [200000] ; +static FLAC__int32 residual [200000] ; + +static unsigned bench_order = 0 ; + +static void +bench_shift (void) +{ FLAC__fixed_compute_residual_shift (data, ARRAY_LEN (data), bench_order, residual) ; +} + +static void +bench_mult (void) +{ FLAC__fixed_compute_residual_mult (data, ARRAY_LEN (data), bench_order, residual) ; +} + +int +main (void) +{ bench_stats stats ; + + puts ("") ; + + for (bench_order = 2 ; bench_order <= 4 ; bench_order ++) { + memset (&stats, 0, sizeof (stats)) ; + stats.testfunc = bench_shift ; + stats.run_count = 100 ; + stats.loop_count = 10 ; + + benchmark_stats (&stats) ; + printf ("shift order %u : %f %f %f %f\n", bench_order, stats.min_time, stats.median_time, stats.mean_time, stats.max_time) ; + + memset (&stats, 0, sizeof (stats)) ; + stats.testfunc = bench_mult ; + stats.run_count = 100 ; + stats.loop_count = 10 ; + + benchmark_stats (&stats) ; + printf ("mult order %u : %f %f %f %f\n\n", bench_order, stats.min_time, stats.median_time, stats.mean_time, stats.max_time) ; + } + + return 0 ; +} diff --git a/microbench/util.c b/microbench/util.c new file mode 100644 index 0000000..2ecd4a3 --- /dev/null +++ b/microbench/util.c @@ -0,0 +1,205 @@ +/* FLAC - Free Lossless Audio Codec + * Copyright (C) 2015-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdlib.h> +#include "util.h" + +#if defined _WIN32 + +#include <windows.h> + +static double +counter_diff (const LARGE_INTEGER * start, const LARGE_INTEGER * end) +{ + LARGE_INTEGER diff, freq; + + QueryPerformanceFrequency(&freq); + diff.QuadPart = end->QuadPart - start->QuadPart; + + return (double)diff.QuadPart/(double)freq.QuadPart; +} + +double +benchmark_function (void (*testfunc) (void), unsigned count) +{ + LARGE_INTEGER start, end; + unsigned k; + + QueryPerformanceCounter (&start) ; + + for (k = 0 ; k < count ; k++) + testfunc(); + + QueryPerformanceCounter (&end) ; + + return counter_diff (&start, &end) / count ; +} /* benchmark_function */ + +#elif defined FLAC__SYS_DARWIN + +#include <mach/mach_time.h> + +static double +counter_diff (const uint64_t * start, const uint64_t * end) +{ + mach_timebase_info_data_t t_info; + mach_timebase_info(&t_info); + uint64_t duration = *end - *start; + + return duration * ((double)t_info.numer/(double)t_info.denom); +} + +double +benchmark_function (void (*testfunc) (void), unsigned count) +{ + uint64_t start, end; + unsigned k; + + start = mach_absolute_time(); + + for (k = 0 ; k < count ; k++) + testfunc(); + + end = mach_absolute_time(); + + return counter_diff (&start, &end) / count ; +} /* benchmark_function */ + +#elif defined HAVE_CLOCK_GETTIME + +#include <time.h> +#include <sys/time.h> + +static double +timespec_diff (const struct timespec * start, const struct timespec * end) +{ struct timespec diff; + + if (end->tv_nsec - start->tv_nsec < 0) + { diff.tv_sec = end->tv_sec - start->tv_sec - 1 ; + diff.tv_nsec = 1000000000 + end->tv_nsec - start->tv_nsec ; + } + else + { diff.tv_sec = end->tv_sec - start->tv_sec ; + diff.tv_nsec = end->tv_nsec-start->tv_nsec ; + } ; + + return diff.tv_sec + 1e-9 * diff.tv_nsec ; +} + +double +benchmark_function (void (*testfunc) (void), unsigned count) +{ struct timespec start, end; + unsigned k ; + + clock_gettime (CLOCK_PROCESS_CPUTIME_ID, &start) ; + + for (k = 0 ; k < count ; k++) + testfunc () ; + + clock_gettime (CLOCK_PROCESS_CPUTIME_ID, &end) ; + + return timespec_diff (&start, &end) / count ; +} /* benchmark_function */ + +#else + +#include <time.h> +#include <sys/time.h> + +static double +timeval_diff (const struct timeval * start, const struct timeval * end) +{ struct timeval diff; + + if (end->tv_usec - start->tv_usec < 0) + { diff.tv_sec = end->tv_sec - start->tv_sec - 1 ; + diff.tv_usec = 1000000 + end->tv_usec - start->tv_usec ; + } + else + { diff.tv_sec = end->tv_sec - start->tv_sec ; + diff.tv_usec = end->tv_usec-start->tv_usec ; + } ; + + return diff.tv_sec + 1e-6 * diff.tv_usec ; +} + +double +benchmark_function (void (*testfunc) (void), unsigned count) +{ struct timeval start, end; + unsigned k ; + + gettimeofday(&start, NULL); + + for (k = 0 ; k < count ; k++) + testfunc () ; + + gettimeofday(&end, NULL); + + return timeval_diff (&start, &end) / count ; +} /* benchmark_function */ + +#endif + +static int +double_cmp (const void * a, const void * b) +{ const double * pa = (double *) a ; + const double * pb = (double *) b ; + return pa [0] < pb [0] ; +} /* double_cmp */ + +void +benchmark_stats (bench_stats * stats) +{ double sum, times [stats->run_count] ; + unsigned k ; + + for (k = 0 ; k < stats->run_count ; k++) + times [k] = benchmark_function (stats->testfunc, stats->loop_count) ; + + qsort (times, stats->run_count, sizeof (times [0]), double_cmp) ; + + sum = 0.0 ; + stats->min_time = stats->max_time = times [0] ; + for (k = 0 ; k < stats->run_count ; k++) + { stats->min_time = stats->min_time < times [k] ? stats->min_time : times [k] ; + stats->max_time = stats->max_time > times [k] ? stats->max_time : times [k] ; + sum += times [k] ; + } + stats->mean_time = sum / stats->run_count ; + if (stats->run_count & 1) + stats->median_time = times [(stats->run_count + 1) / 2] ; + else + stats->median_time = 0.5 * (times [stats->run_count / 2] + times [(stats->run_count / 2) + 1]) ; + + return ; +} /* benchmark_stats */ diff --git a/microbench/util.h b/microbench/util.h new file mode 100644 index 0000000..1fba446 --- /dev/null +++ b/microbench/util.h @@ -0,0 +1,43 @@ +/* FLAC - Free Lossless Audio Codec + * Copyright (C) 2015-2023 Xiph.Org Foundation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the Xiph.org Foundation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#define ARRAY_LEN(x) ((sizeof (x) / sizeof (x [0]))) + +typedef struct bench_stats +{ void (*testfunc) (void) ; + unsigned run_count ; + unsigned loop_count ; + double min_time, mean_time, median_time, max_time ; +} bench_stats ; + +double benchmark_function (void (*testfunc) (void), unsigned count) ; + +void benchmark_stats (bench_stats * stats) ; |