James Almer
70d685a77f
x86: use the new helper macros where useful
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Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
2016-02-14 20:00:21 -03:00
Ganesh Ajjanagadde
5989add4ab
lavu/x86/lls: add fma3 optimizations for update_lls
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This improves accuracy (very slightly) and speed for processors having
fma3.
Sample benchmark (fate flac-16-lpc-cholesky, Haswell):
old:
5993610 decicycles in ff_lpc_calc_coefs, 64 runs, 0 skips
5951528 decicycles in ff_lpc_calc_coefs, 128 runs, 0 skips
new:
5252410 decicycles in ff_lpc_calc_coefs, 64 runs, 0 skips
5232869 decicycles in ff_lpc_calc_coefs, 128 runs, 0 skips
Tested with FATE and --disable-fma3, also examined contents of
lavu/lls-test.
Reviewed-by: James Almer <jamrial@gmail.com>
Reviewed-by: Henrik Gramner <henrik@gramner.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
2016-01-15 16:46:13 -05:00
James Almer
c16e99e3b3
x86: check for AV_CPU_FLAG_AVXSLOW where useful
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Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-06-01 00:15:35 +02:00
Michael Niedermayer
579a0fdc21
avutil/lls: Make unchanged function arguments const
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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-09-28 19:32:07 +02:00
Michael Niedermayer
70b8668fb5
drop LLS1, rename LLS2 to LLS
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-09 23:20:31 +02:00
Michael Niedermayer
c3814ab654
rename new lls code to lls2 to avoid conflict with the old which has a different ABI
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also remove failed attempt at a compatibility layer, the code simply cannot work
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-11-17 16:41:08 +01:00
Michael Niedermayer
bbe66ef912
avutil: rename lls to lls2
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-11-17 16:30:23 +01:00
Michael Niedermayer
a478e99a60
avutil/x86: reenable ff_update_lls_avx()
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The bug has been fixed in c8b920a9b7
2013-07-02 12:02:08 +02:00
Michael Niedermayer
a6e46ed51a
Revert "avutil/x86: disable ff_evaluate_lls_sse2() for 32bit"
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This reverts commit 247425241c
2013-07-01 02:27:47 +02:00
Michael Niedermayer
247425241c
avutil/x86: disable ff_evaluate_lls_sse2() for 32bit
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It just segfaults on 32bit, thus its disabled until someone fixes it.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-30 19:03:57 +02:00
Michael Niedermayer
6e76e6a05a
Merge commit 'b545179fdff1ccfbbb9d422e4e9720cb6c6d9191'
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* commit 'b545179fdff1ccfbbb9d422e4e9720cb6c6d9191':
x86: lpc: simd av_evaluate_lls
Conflicts:
libavutil/x86/lls.asm
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-30 12:15:12 +02:00
Michael Niedermayer
a285079bc7
lls.asm: disable ff_update_lls_avx
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The code doesnt build with yasm from ubuntu 12.04
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-30 12:12:11 +02:00
Michael Niedermayer
78b5479633
Merge commit '502ab21af0ca68f76d6112722c46d2f35c004053'
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* commit '502ab21af0ca68f76d6112722c46d2f35c004053':
x86: lpc: simd av_update_lls
The versions are bumped due to changes in lls.h which is used across
libraries affecting intra library ABI
(This version bump also covers changes to lls.h in the immedeatly previous
commits)
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-30 11:35:52 +02:00
Loren Merritt
b545179fdf
x86: lpc: simd av_evaluate_lls
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1.5x-1.8x faster on sandybridge
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-06-29 13:23:57 +02:00
Loren Merritt
502ab21af0
x86: lpc: simd av_update_lls
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4x-6x faster on sandybridge
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-06-29 13:23:57 +02:00
