mirror of https://github.com/xiph/flac
Remove microbench (#736)
This commit removes 'microbench', as it is no longer relevant. For more information on its former purpose, see https://lists.xiph.org/pipermail/flac-dev/2015-September/005608.html
This commit is contained in:
Martijn van Beurden
GitHub
parent
b573a36ed8
commit
e2aef0c275
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@ -74,7 +74,6 @@ test/metaflac.flac
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test/picture.diff
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test/picture.log
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.dirstamp
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microbench/benchmark_residual
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/ogg/
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oss-fuzz/fuzzer_decoder
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oss-fuzz/fuzzer_seek
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@ -220,7 +220,6 @@ if(ENABLE_MULTITHREADING)
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endif()
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add_subdirectory("src")
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add_subdirectory("microbench")
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if(BUILD_DOCS)
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add_subdirectory("doc")
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endif()
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@ -31,7 +31,7 @@
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ACLOCAL_AMFLAGS = -I m4
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SUBDIRS = doc include m4 man src test microbench oss-fuzz
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SUBDIRS = doc include m4 man src test oss-fuzz
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if EXAMPLES
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SUBDIRS += examples
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@ -587,7 +587,6 @@ AC_CONFIG_FILES([ \
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test/flac-to-flac-metadata-test-files/Makefile \
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test/metaflac-test-files/Makefile \
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test/pictures/Makefile \
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microbench/Makefile \
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oss-fuzz/Makefile
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])
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AC_OUTPUT
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@ -1,17 +0,0 @@
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if(MSVC)
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return()
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endif()
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set(CMAKE_REQUIRED_LIBRARIES rt)
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check_function_exists(clock_gettime HAVE_CLOCK_GETTIME)
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if(APPLE)
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add_definitions(-DFLAC__SYS_DARWIN)
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endif()
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add_executable(benchmark_residual benchmark_residual.c util.c)
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target_include_directories(benchmark_residual PRIVATE
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"$<TARGET_PROPERTY:FLAC,SOURCE_DIR>/include")
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target_link_libraries(benchmark_residual
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FLAC
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$<$<BOOL:${HAVE_CLOCK_GETTIME}>:rt>)
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@ -1,42 +0,0 @@
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# FLAC - Free Lossless Audio Codec
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# Copyright (C) 2015-2024 Xiph.Org Foundation
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# - Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# - Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# - Neither the name of the Xiph.org Foundation nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/src/libFLAC/include
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noinst_HEADERS = util.h
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noinst_PROGRAMS = benchmark_residual
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benchmark_residual_SOURCES = benchmark_residual.c util.c
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benchmark_residual_LDADD = @LIB_CLOCK_GETTIME@
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EXTRA_DIST = CMakeLists.txt
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@ -1,151 +0,0 @@
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/* libFLAC - Free Lossless Audio Codec library
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* Copyright (C) 2000-2009 Josh Coalson
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* Copyright (C) 2011-2024 Xiph.Org Foundation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Xiph.org Foundation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#include <math.h>
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#include <string.h>
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#include "FLAC/ordinals.h"
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#include "share/compat.h"
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#include "private/bitmath.h"
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#include "private/fixed.h"
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#include "private/macros.h"
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#include "FLAC/assert.h"
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#include "util.h"
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static void FLAC__fixed_compute_residual_shift(const FLAC__int32 data[], unsigned data_len, unsigned order, FLAC__int32 residual[])
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{
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const int idata_len = (int) data_len;
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int i;
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switch(order) {
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case 0:
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FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0]));
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memcpy(residual, data, sizeof(residual[0])*data_len);
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break;
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case 1:
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for(i = 0; i < idata_len; i++)
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residual[i] = data[i] - data[i-1];
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break;
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case 2:
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for(i = 0; i < idata_len; i++)
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residual[i] = data[i] - (data[i-1] << 1) + data[i-2];
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break;
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case 3:
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for(i = 0; i < idata_len; i++)
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residual[i] = data[i] - (((data[i-1]-data[i-2])<<1) + (data[i-1]-data[i-2])) - data[i-3];
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break;
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case 4:
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for(i = 0; i < idata_len; i++)
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residual[i] = data[i] - ((data[i-1]+data[i-3])<<2) + ((data[i-2]<<2) + (data[i-2]<<1)) + data[i-4];
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break;
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default:
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FLAC__ASSERT(0);
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}
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}
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static void FLAC__fixed_compute_residual_mult(const FLAC__int32 data[], unsigned data_len, unsigned order, FLAC__int32 residual[])
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{
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const int idata_len = (int)data_len;
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int i;
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switch(order) {
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case 0:
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FLAC__ASSERT(sizeof(residual[0]) == sizeof(data[0]));
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memcpy(residual, data, sizeof(residual[0])*data_len);
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break;
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case 1:
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for(i = 0; i < idata_len; i++)
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residual[i] = data[i] - data[i-1];
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break;
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case 2:
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for(i = 0; i < idata_len; i++)
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residual[i] = data[i] - 2*data[i-1] + data[i-2];
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break;
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case 3:
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for(i = 0; i < idata_len; i++)
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residual[i] = data[i] - 3*data[i-1] + 3*data[i-2] - data[i-3];
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break;
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case 4:
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for(i = 0; i < idata_len; i++)
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residual[i] = data[i] - 4*data[i-1] + 6*data[i-2] - 4*data[i-3] + data[i-4];
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break;
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default:
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FLAC__ASSERT(0);
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}
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}
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static FLAC__int32 data [200000] ;
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static FLAC__int32 residual [200000] ;
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static unsigned bench_order = 0 ;
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static void
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bench_shift (void)
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{ FLAC__fixed_compute_residual_shift (data, ARRAY_LEN (data), bench_order, residual) ;
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}
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static void
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bench_mult (void)
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{ FLAC__fixed_compute_residual_mult (data, ARRAY_LEN (data), bench_order, residual) ;
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}
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int
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main (void)
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{ bench_stats stats ;
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puts ("") ;
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for (bench_order = 2 ; bench_order <= 4 ; bench_order ++) {
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memset (&stats, 0, sizeof (stats)) ;
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stats.testfunc = bench_shift ;
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stats.run_count = 100 ;
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stats.loop_count = 10 ;
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benchmark_stats (&stats) ;
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printf ("shift order %u : %f %f %f %f\n", bench_order, stats.min_time, stats.median_time, stats.mean_time, stats.max_time) ;
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memset (&stats, 0, sizeof (stats)) ;
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stats.testfunc = bench_mult ;
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stats.run_count = 100 ;
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stats.loop_count = 10 ;
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benchmark_stats (&stats) ;
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printf ("mult order %u : %f %f %f %f\n\n", bench_order, stats.min_time, stats.median_time, stats.mean_time, stats.max_time) ;
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}
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return 0 ;
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}
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@ -1,205 +0,0 @@
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/* FLAC - Free Lossless Audio Codec
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* Copyright (C) 2015-2024 Xiph.Org Foundation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Xiph.org Foundation nor the names of its
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* contributors may be used to endorse or promote products derived from
|
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* this software without specific prior written permission.
|
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
|
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdlib.h>
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#include "util.h"
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#if defined _WIN32
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#include <windows.h>
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static double
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counter_diff (const LARGE_INTEGER * start, const LARGE_INTEGER * end)
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{
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LARGE_INTEGER diff, freq;
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QueryPerformanceFrequency(&freq);
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diff.QuadPart = end->QuadPart - start->QuadPart;
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return (double)diff.QuadPart/(double)freq.QuadPart;
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}
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double
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benchmark_function (void (*testfunc) (void), unsigned count)
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{
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LARGE_INTEGER start, end;
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unsigned k;
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QueryPerformanceCounter (&start) ;
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for (k = 0 ; k < count ; k++)
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testfunc();
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QueryPerformanceCounter (&end) ;
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return counter_diff (&start, &end) / count ;
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} /* benchmark_function */
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#elif defined FLAC__SYS_DARWIN
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#include <mach/mach_time.h>
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static double
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counter_diff (const uint64_t * start, const uint64_t * end)
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{
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mach_timebase_info_data_t t_info;
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mach_timebase_info(&t_info);
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uint64_t duration = *end - *start;
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return duration * ((double)t_info.numer/(double)t_info.denom);
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}
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double
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benchmark_function (void (*testfunc) (void), unsigned count)
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{
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uint64_t start, end;
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unsigned k;
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start = mach_absolute_time();
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for (k = 0 ; k < count ; k++)
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testfunc();
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end = mach_absolute_time();
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return counter_diff (&start, &end) / count ;
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} /* benchmark_function */
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#elif defined HAVE_CLOCK_GETTIME
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#include <time.h>
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#include <sys/time.h>
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static double
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timespec_diff (const struct timespec * start, const struct timespec * end)
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{ struct timespec diff;
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if (end->tv_nsec - start->tv_nsec < 0)
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{ diff.tv_sec = end->tv_sec - start->tv_sec - 1 ;
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diff.tv_nsec = 1000000000 + end->tv_nsec - start->tv_nsec ;
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}
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else
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{ diff.tv_sec = end->tv_sec - start->tv_sec ;
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diff.tv_nsec = end->tv_nsec-start->tv_nsec ;
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} ;
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return diff.tv_sec + 1e-9 * diff.tv_nsec ;
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}
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double
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benchmark_function (void (*testfunc) (void), unsigned count)
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{ struct timespec start, end;
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unsigned k ;
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clock_gettime (CLOCK_PROCESS_CPUTIME_ID, &start) ;
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for (k = 0 ; k < count ; k++)
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testfunc () ;
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clock_gettime (CLOCK_PROCESS_CPUTIME_ID, &end) ;
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return timespec_diff (&start, &end) / count ;
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} /* benchmark_function */
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#else
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#include <time.h>
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#include <sys/time.h>
|
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|
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static double
|
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timeval_diff (const struct timeval * start, const struct timeval * end)
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{ struct timeval diff;
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if (end->tv_usec - start->tv_usec < 0)
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{ diff.tv_sec = end->tv_sec - start->tv_sec - 1 ;
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diff.tv_usec = 1000000 + end->tv_usec - start->tv_usec ;
|
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}
|
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else
|
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{ diff.tv_sec = end->tv_sec - start->tv_sec ;
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diff.tv_usec = end->tv_usec-start->tv_usec ;
|
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} ;
|
||||
|
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return diff.tv_sec + 1e-6 * diff.tv_usec ;
|
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}
|
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|
||||
double
|
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benchmark_function (void (*testfunc) (void), unsigned count)
|
||||
{ struct timeval start, end;
|
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unsigned k ;
|
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|
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gettimeofday(&start, NULL);
|
||||
|
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for (k = 0 ; k < count ; k++)
|
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testfunc () ;
|
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|
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gettimeofday(&end, NULL);
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return timeval_diff (&start, &end) / count ;
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} /* benchmark_function */
|
||||
|
||||
#endif
|
||||
|
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static int
|
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double_cmp (const void * a, const void * b)
|
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{ const double * pa = (double *) a ;
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const double * pb = (double *) b ;
|
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return pa [0] < pb [0] ;
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} /* double_cmp */
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void
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benchmark_stats (bench_stats * stats)
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{ double sum, times [stats->run_count] ;
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unsigned k ;
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|
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for (k = 0 ; k < stats->run_count ; k++)
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times [k] = benchmark_function (stats->testfunc, stats->loop_count) ;
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qsort (times, stats->run_count, sizeof (times [0]), double_cmp) ;
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sum = 0.0 ;
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stats->min_time = stats->max_time = times [0] ;
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for (k = 0 ; k < stats->run_count ; k++)
|
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{ stats->min_time = stats->min_time < times [k] ? stats->min_time : times [k] ;
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stats->max_time = stats->max_time > times [k] ? stats->max_time : times [k] ;
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sum += times [k] ;
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}
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stats->mean_time = sum / stats->run_count ;
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if (stats->run_count & 1)
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stats->median_time = times [(stats->run_count + 1) / 2] ;
|
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else
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stats->median_time = 0.5 * (times [stats->run_count / 2] + times [(stats->run_count / 2) + 1]) ;
|
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|
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return ;
|
||||
} /* benchmark_stats */
|
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|
|
@ -1,43 +0,0 @@
|
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/* FLAC - Free Lossless Audio Codec
|
||||
* Copyright (C) 2015-2024 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) ;
|
||||
Loading…
Reference in New Issue