[Ffmpeg-devel] Fixed point arithmetic RealAudio G2 (cook) decoder

Luca Barbato lu_zero
Thu Mar 8 22:29:51 CET 2007


Guillaume Poirier wrote:
> 
> Since when does vectorization only works on fixed point arithmetic?

some instructions are fixed point only some float only ^^
So you may find simpler/more to vectorize one implementatio or the
other. Usually fixed point is nicer.

> BTW, BLAS-type computation is probably the easiest and most
> straightforward candidate for vectorization (since you don't need to
> pack/unpack).
> 
> Or maybe I missed smth in your reasoning?

I was too much cryptic ^^

lu

-- 

Luca Barbato

Gentoo/linux Gentoo/PPC
http://dev.gentoo.org/~lu_zero





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