[Ffmpeg-devel] Re: fastmemcpy in ffmpeg

Gunnar von Boehn gunnar
Mon Sep 25 16:14:14 CEST 2006


Hi Ronald,

Ronald S. Bultje wrote:
> Hi,
> 
> On Mon, 25 Sep 2006, Gunnar von Boehn wrote:
> 
>>Just by
>>adding one prefetch instruction to the normal Linux memcpy you can speed
>>it up a lot 50%.
> 
> [..]
> 
> So why don't you submit such work for inclusion in glibc? That way,
> everybody profits!

Yes thats right.
Well, I did send my humble contributions to IBM to be included into 
their proposed patches for the glibc. But I'm not sure if they have 
commited anything yet.


Cheers
Gunnar




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