[FFmpeg-devel] [PATCH] AAC: unroll parts of decode_spectrum_and_dequant()

Robert Swain robert.swain
Tue Dec 9 18:09:31 CET 2008

2008/12/9 Michael Niedermayer <michaelni at gmx.at>:
> On Mon, Dec 08, 2008 at 10:34:55PM -0500, Alex Converse wrote:
>> that I also tried reverting access back to forward order and got a slight
>> speed up. This way made the unsigned loop just like the other three, so I
>> added that one for another benchmarked verified speed up.
>> The net gain is a 12% decrease in cycles over the original vs 5% before.
> very nice, i like the patch, but i see robert is back here and reviewing
> patches so i leave things to him ...



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