[XviD-devel] discussion continue...

Marco Al xvid-devel@xvid.org
Tue, 10 Sep 2002 20:58:47 +0200


Marco Al wrote:

>> i used full butterflyed vertical (2x32) and horizontal(8x8).
>> i thinked it was slower because i'm not using
>> only vertical + transpose (faster?)
> 
> I assume he is suggesting that using butterflies for the columns
> using vector processing, and full matrix multiply (which can be
> fully parallized with MMX without transposing) for the rows.

Sorry for my poor reading comprehension and quoting, let me
rephrase that ... he is suggesting you do exactly what you are
doing :)

Marco