[FFmpeg-devel] [PATCH 4/5] x86: sbrdsp: implement SSE qmf_deint_bfly

[Michael Niedermayer]

On Sun, Apr 07, 2013 at 08:20:33PM +0000, Christophe Gisquet wrote:
> From 312 to 89/68 (sse/sse2) cycles on Arrandale and Win64.
> Sandybridge: 68/47 cycles.
> 
> Having a loop counter is a 7 cycle gain.
> Unrolling is another 7 cycle gain.
> Working in reverse scan is another 6 cycles.
> ---
>  libavcodec/x86/sbrdsp.asm    | 42 ++++++++++++++++++++++++++++++++++++++++++
>  libavcodec/x86/sbrdsp_init.c |  4 ++++
>  2 files changed, 46 insertions(+)

applied

thanks

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No great genius has ever existed without some touch of madness. -- Aristotle
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