[FFmpeg-devel] [PATCH] avcodec/vp9: add vp9_idct_idct_4x4_add_ssse3

Michael Niedermayer michaelni at gmx.at
Mon Oct 28 22:16:12 CET 2013


On Mon, Oct 28, 2013 at 09:22:24PM +0100, Clément Bœsch wrote:
> On Mon, Oct 28, 2013 at 08:56:29PM +0100, Clément Bœsch wrote:
> > ---
> >  libavcodec/x86/vp9dsp.asm    | 141 +++++++++++++++++++++++++++++++++++++++++++
> >  libavcodec/x86/vp9dsp_init.c |   3 +
> >  2 files changed, 144 insertions(+)
> > 
> 
> 1710 decicycles in idct_idct_4x4_add_c, 32762 runs, 6 skips
> 1719 decicycles in idct_idct_4x4_add_c, 65529 runs, 7 skips
> 1739 decicycles in idct_idct_4x4_add_c, 131062 runs, 10 skips
> 1820 decicycles in idct_idct_4x4_add_c, 262122 runs, 22 skips
> 
> 634 decicycles in ff_vp9_idct_idct_4x4_add_ssse3, 32768 runs, 0 skips
> 572 decicycles in ff_vp9_idct_idct_4x4_add_ssse3, 65535 runs, 1 skips
> 529 decicycles in ff_vp9_idct_idct_4x4_add_ssse3, 131068 runs, 4 skips
> 525 decicycles in ff_vp9_idct_idct_4x4_add_ssse3, 262138 runs, 6 skips

nice


[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I do not agree with what you have to say, but I'll defend to the death your
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