[vlc-devel] [PATCH 0/2] Use SSE copy function in the MediaCodec module.

Steinar H. Gunderson sgunderson at bigfoot.com
Fri Oct 25 15:33:36 CEST 2013


On Fri, Oct 25, 2013 at 03:26:55PM +0200, Felix Abecassis wrote:
> Splitted the patch sent earlier.
> 
> Felix Abecassis (2):
>   Move copy.{c,h} from module avcodec to module video_chroma.
>   MediaCodec: use SSE copy function from the avcodec module if the CPU
>     supports it.

How much does this actually improve performance in reality? memcpy() in glibc
already uses SSSE3 when available, and in general looks more efficient than
the code in copy.c to me.

/* Steinar */
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Homepage: http://www.sesse.net/



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