[Ffmpeg-devel] [PATCH] SSE counterpart of ff_imdct_calc_3dn2

Guillaume POIRIER gpoirier
Wed Aug 23 17:04:31 CEST 2006


Luca Barbato a ?crit :
> Guillaume POIRIER wrote:
>> Now about the 970... I don't have enough experience to comment on
>> that... just that's it's way simpler to program for Altivec as the
>> instruction set is lighyears ahead of x86 Simd's in terms of
>> coherency.
> Well, I have half of the Zuxy algorithm rewritten for altivec, but I
> don't have much time to complete it, if you or somebody else is willing
> to play with/complete it I'll send it in the ml as is.

Well, it's not quite like if I had much free time too (I'm still working 
on some more x264 Altivec routines, which keep me busy quite well) but I 
guess it doesn't hurt to send them, should it be to have a copy in case 
your machine crashed, or to give me ideas.


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