[vorbis-dev] vorbis on playstation 2

Segher Boessenkool segher at koffie.nl
Thu Feb 6 18:20:40 PST 2003

David Etherton wrote:

>>Hey, that number looks almost good enough to run on a PS1... er, I mean
>>IOP! Of course, it would depend on what else you wanted to do with the
>>IOP at the same time, but it is one of the most underused CPUs within
>>the PS2 during normal games.
> I just asked that exact same question on the official developer newsgroups,
> and one of the responses indicated that for comparison, some basic integer
> ADPCM decode ran about three times faster on the EE than the IOP even after
> accounting for the clock rate differences.  But the same gentleman also
> suggested that Tremor is probably a better starting point even if we recode
> parts of it in floating-point vector assembly since it's already had a lot
> of other optimizations done to it.

If the IOP goes unused otherwise, running a 3x slower Vorbis
decoder on the IOP is still faster :)


<p>--- >8 ----
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