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FFmpeg/libavutil
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Ben Avison 5a272190a0 armv6: Accelerate butterflies_float 
I benchmarked the result by measuring the number of gperftools samples that
hit anywhere in the AAC decoder (starting from aac_decode_frame()) or
specifically in butterflies_float_c() / ff_butterflies_float_vfp() for the
same sample AAC stream:

                   Before          After
                   Mean   StdDev   Mean   StdDev  Confidence  Change
Audio decode       1542.8 43.7     1470.5 41.5    100.0%      +4.9%
butterflies_float  130.0  11.9     70.2   12.1    100.0%      +85.2%

Signed-off-by: Martin Storsjö <martin@martin.st>
2014-07-18 01:34:38 +03:00
..
aarch64 build: check if AS supports the '.func' directive 2014-06-03 14:23:03 +02:00
arm armv6: Accelerate butterflies_float 2014-07-18 01:34:38 +03:00
avr32
bfin Remove all Blackfin architecture optimizations 2014-06-02 08:41:47 -07:00
mips
ppc ppc: Move vec_unaligned_load macro to util_altivec 2014-05-28 03:29:33 -07:00
sh4
tomi intreadwrite: tomi: Add missing attributes.h #include for av_always_inline 2013-02-20 00:45:30 +01:00
x86 Update Fiona's name in copyright statements. 2014-07-01 03:26:51 -07:00
adler32.c adler32: Fix doxy group definition 2014-04-07 01:31:02 +02:00
adler32.h adler32: Fix doxy group definition 2014-04-07 01:31:02 +02:00
aes.c avutil: remove timer.h include from internal.h 2014-01-25 21:50:20 +01:00
aes.h avutil: Add functions for allocating opaque contexts for algorithms 2012-10-11 23:35:27 +03:00
atomic_gcc.h atomic: fix CAS with armcc. 2013-03-09 08:36:40 +01:00
atomic_suncc.h atomic: Add include guards to the implementation headers 2013-03-08 12:00:06 +02:00
atomic_win32.h atomic: Add include guards to the implementation headers 2013-03-08 12:00:06 +02:00
atomic.c threads: Check w32threads dependencies at the configure stage 2014-02-19 15:12:37 +01:00
atomic.h atomics: cosmetics: Restructure ifdefs for greater clarity 2013-12-20 11:23:13 +01:00
attributes.h attributes: disable flatten on llvm/clang 2013-11-03 11:51:40 +01:00
audio_fifo.c
audio_fifo.h audio_fifo: Split into a separate doxygen module 2014-07-06 11:44:10 -07:00
audioconvert.h lavu: rename audioconvert.* to channel_layout.* and deprecate audioconvert.h 2012-11-11 13:35:12 -05:00
avassert.h
avstring.c avstring-test: Mark pointer passed to av_free() as non-const 2013-10-23 13:17:23 +02:00
avstring.h avstring: Add locale independent versions of some ctype.h functions 2013-03-07 15:16:26 +02:00
avutil.h avutil: move av_get_time_base_q() after include rational.h 2014-04-22 17:35:51 -04:00
base64.c base64-test: Remove posibility of returning restricted exit codes 2013-10-25 11:06:32 +01:00
base64.h
blowfish.c Drop pointless directory name prefixes from #includes in the current dir 2013-09-10 12:38:41 +02:00
blowfish.h
bswap.h aarch64: bswap inline assembly 2014-01-14 22:19:38 +01:00
buffer_internal.h AVBuffer: add a new API for buffer pools 2013-03-08 07:33:28 +01:00
buffer.c AVBuffer: add a new API for buffer pools 2013-03-08 07:33:28 +01:00
buffer.h avutil: doxy: Small clarification for av_buffer_create() 2013-04-30 13:33:43 -04:00
channel_layout.c Add missing #includes for *INT64_MAX and *INT64_C 2013-11-23 21:55:52 +01:00
channel_layout.h lavu: Add values for various Dolby flags to the AVMatrixEncoding enum. 2014-01-05 16:41:56 +01:00
colorspace.h
common.h Add missing #includes for *INT64_MAX and *INT64_C 2013-11-23 21:55:52 +01:00
cpu_internal.h aarch64: add cpuflags support for NEON and VFP 2014-01-15 12:05:09 +01:00
cpu.c aarch64: add armv8 CPU flag 2014-04-06 21:18:49 +02:00
cpu.h aarch64: add armv8 CPU flag 2014-04-06 21:18:49 +02:00
crc.c crc: add ANSI CRC16 LE 2014-04-17 20:08:19 +02:00
crc.h crc: add ANSI CRC16 LE 2014-04-17 20:08:19 +02:00
des.c Drop pointless directory name prefixes from #includes in the current dir 2013-09-10 12:38:41 +02:00
des.h
dict.c av_dict_set: fix potential memory leak with AV_DICT_DONT_OVERWRITE 2014-06-09 12:33:19 +02:00
dict.h dict: const correctness for av_dict_get() and av_dict_copy() 2014-06-05 09:16:15 -07:00
display.c display: add matrix flip api 2014-07-09 10:14:12 -04:00
display.h display: add matrix flip api 2014-07-09 10:14:12 -04:00
downmix_info.c lavu: add AV_FRAME_DATA_DOWNMIX_INFO side data type. 2014-02-15 22:24:53 +01:00
downmix_info.h lavu: add AV_FRAME_DATA_DOWNMIX_INFO side data type. 2014-02-15 22:24:53 +01:00
error.c avutil: Add AVERROR_EXPERIMENTAL 2012-10-21 22:38:21 +02:00
error.h error.h: Do not circularly depend on avutil.h 2013-12-25 00:12:05 +01:00
eval.c avutil: remove timer.h include from internal.h 2014-01-25 21:50:20 +01:00
eval.h
fifo.c fifo: K&R formatting cosmetics 2013-07-06 14:28:06 +02:00
fifo.h lavu: remove disabled FF_API_AV_FIFO_PEEK cruft 2012-10-23 07:33:05 +02:00
file_open.c libavutil: Move avpriv_open to a new file, file_open.c 2013-08-10 00:53:33 +03:00
file.c libavutil: Move avpriv_open to a new file, file_open.c 2013-08-10 00:53:33 +03:00
file.h
float_dsp.c float_dsp: Replace arch optimization ifdefs by if cascade 2014-03-22 14:11:22 +01:00
float_dsp.h aarch64: float_dsp NEON assembler 2014-03-18 22:56:07 +01:00
frame.c AVFrame: factor out freeing the side data 2014-06-18 08:11:05 +02:00
frame.h lavu: add all color-related enums to AVFrame 2014-06-01 08:22:02 +02:00
hmac.c avutil: Add av_cold attributes to init functions missing them 2013-05-04 22:48:05 +02:00
hmac.h lavu: Add an API for calculating HMAC (RFC 2104) 2013-01-15 11:54:19 +02:00
imgutils.c Add av_image_check_sar() and use it to validate SAR 2014-06-20 10:39:33 -04:00
imgutils.h Add av_image_check_sar() and use it to validate SAR 2014-06-20 10:39:33 -04:00
internal.h lavu: add CHK_OFFS as AV_CHECK_OFFSET to check struct member offsets 2014-04-24 18:28:26 +02:00
intfloat.h
intmath.c lavu: add av_ctz() for trailing zero bit count 2012-11-05 15:32:29 -05:00
intmath.h lavu: add av_ctz() for trailing zero bit count 2012-11-05 15:32:29 -05:00
intreadwrite.h intreadwrite: Add AV_COPYxxU macros for copying to/from unaligned addresses 2012-10-23 16:54:08 +02:00
lfg.c avformat: Remove non-compiling and/or silly commented-out printf/av_log statements 2012-10-01 10:24:28 +02:00
lfg.h Give all anonymously typedeffed structs in headers a name 2012-10-06 09:27:11 +02:00
libavutil.v Revert "avutil: make some tables visible again" 2012-10-23 07:33:05 +02:00
libm.h libm: add fallbacks for various single-precision functions 2012-10-23 12:00:21 +01:00
lls.c x86: lpc: simd av_update_lls 2013-06-29 13:23:57 +02:00
lls.h x86: lpc: simd av_update_lls 2013-06-29 13:23:57 +02:00
log2_tab.c avutil: Duplicate ff_log2_tab instead of sharing it across libs 2012-10-12 20:39:17 +02:00
log.c log: Unbreak windows support 2014-04-03 23:43:47 +02:00
log.h log: Document AV_LOG_C usage 2014-04-03 18:43:24 +02:00
lzo.c lzo: Handle integer overflow 2014-06-23 10:20:57 +02:00
lzo.h avutil: Move memcpy_backptr() to mem.c 2012-10-25 11:36:57 +02:00
macros.h lavu: Move preprocessor macros in a separate file 2013-12-29 22:52:04 +01:00
Makefile Add transformation matrix API. 2014-05-19 13:13:10 +02:00
mathematics.c mathematics: K&R formatting cosmetics 2014-05-03 18:31:18 +02:00
mathematics.h
md5.c Remove pointless #undefs of previously forbidden functions. 2012-12-04 21:40:22 +01:00
md5.h avutil: Add functions for allocating opaque contexts for algorithms 2012-10-11 23:35:27 +03:00
mem.c Move av_fast_{m,re}alloc from lavc to lavu. 2013-11-14 09:42:22 +01:00
mem.h Move av_fast_{m,re}alloc from lavc to lavu. 2013-11-14 09:42:22 +01:00
old_pix_fmts.h Deprecate obsolete XvMC hardware decoding support 2013-11-13 21:07:45 +01:00
opt.c AVOptions: add flags for read/read-only options 2014-02-19 21:52:17 +01:00
opt.h AVOptions: add flags for read/read-only options 2014-02-19 21:52:17 +01:00
parseutils.c parseutils: fix discarding const attribute warning 2013-12-12 16:10:14 +01:00
parseutils.h
pixdesc.c lavu: Add a pixel format for new VDA hwaccel 2014-05-11 14:59:59 +02:00
pixdesc.h Use correct Doxygen syntax 2013-10-03 17:53:51 +02:00
pixfmt.h pixfmt: mark the reserved values 2014-06-23 17:39:03 -04:00
random_seed.c random_seed: Rewrite the generic clock() based seed code 2014-01-06 18:53:58 +02:00
random_seed.h
rational.c Remove commented-out #includes 2013-05-15 23:01:21 +02:00
rational.h
rc4.c
rc4.h
replaygain.h replaygain: correctly parse peak values 2014-04-04 17:40:19 +02:00
samplefmt.c samplefmt: avoid integer overflow in av_samples_get_buffer_size() 2014-02-04 12:32:47 -05:00
samplefmt.h samplefmt: Add doxygen categories 2014-07-06 11:44:01 -07:00
sha.c avutil: Add av_cold attributes to init functions missing them 2013-05-04 22:48:05 +02:00
sha.h avutil: Add functions for allocating opaque contexts for algorithms 2012-10-11 23:35:27 +03:00
stereo3d.c avframe: add codec-independent stereoscopic metadata 2013-12-09 16:02:43 +01:00
stereo3d.h stereo3d: add missing include guards 2014-06-19 17:31:49 -04:00
time.c Drop pointless directory name prefixes from #includes in the current dir 2013-09-10 12:38:41 +02:00
time.h
timer.h timer: use mach_absolute_time as high resolution clock on darwin 2014-03-09 00:45:34 +01:00
tree.c tree-test: Don't return restricted exit codes 2013-10-24 10:59:26 +01:00
tree.h tree.h: K&R formatting and typo cosmetics 2013-07-31 18:14:08 +02:00
utils.c avutil: Add av_get_time_base_q() 2014-04-22 16:32:35 -04:00
version.h display: add matrix flip api 2014-07-09 10:14:12 -04:00
xtea.c xtea: Add Doxy @file and group 2014-04-07 01:31:36 +02:00
xtea.h xtea: Add Doxy @file and group 2014-04-07 01:31:36 +02:00