[vorbis-dev] mdct_backward with fused muladd?

David Etherton etherton at rockstarsandiego.com
Tue May 20 17:26:14 PDT 2003



> If this is because of the memory usage of the luts, you may be interested
in
> looking at the Tremor 'lowmem-branch' branch, out of cvs. It uses (I'm
told,
> I haven't tried it myself) about an order of magnitude less memory
> (heap+stack). That's at a cost of marginally higher cpu usage (10-15%?),
but
> that might be a worthwhile tradeoff on a console.

Anybody know what the typical memory usage is per stereo (48khz) stream,
either with or without this patch?  Several hundred kilobytes or are we
talking megabytes?

-Dave

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