[vorbis-dev] vorbis on playstation 2

David Etherton etherton at rockstarsandiego.com
Thu Feb 6 07:13:24 PST 2003



> > MDCT should run fully from cache.  How big is your cache?
>
> It's a whopping 8k data cache, two-way-set-associative, 64 byte cache
lines.

...which is why I'll probably try running MDCT without the big LUT it
apparently sets up.  My guess is that that is what's killing the cache on
PS2.  I can't tell from the mdct_init calls in block.c and envelope.c how
big the typical LUT is going to be.

-Dave

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