[tremor] Memory optimizations

[Johannes Sandvall]

On Mon 29 Mar 2004 20:51:19 CEST, PALFFY Daniel wrote:
> 
> Hi,
> 
> I want to make tremor work on the Apple iPod on the uClinux platform (for
> more info, see http://ipodlinux.sf.net/).
> 
> The ipod has two arm7tdmi cores running at up to 90MHz, so this should be
> no problem. My problem is with memory bandwidth - the 32MB main memory is
> connected to the CPUs on a very slow bus. But we have 96kB fast SRAM.
> Unoptimized ivorbisfile_example runs at about 50-80% speed depending on
> bitrate.
> 
> Any ideas what parts of code/data should I put to fast memory?

Work, right buffer. IMDCT twiddle table.

Make sure to use the lowmem branch.

/ Johannes Sandvall
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