[Ffmpeg-devel] Re: fastmemcpy in ffmpeg
Mon Sep 25 16:09:06 CEST 2006
Ronald S. Bultje wrote:
> 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!
The linux kernel already contains ultraoptimized versions of memcpy. If
they're not in glibc, it is probably by choice.
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