Just a thought - try moving the variable declarations out of the loops:
http://www.rozengain.com/blog/2007/05/01/some-actionscript-30-optimizations/
http://osflash.org/as3_speed_optimizations
http://gamedevjuice.wordpress.com/2008/02/15/seven-tips-about-performance-optimization-in-actionscript-3/
Might help a little... do you have some test code lying about so we can compare
/ optimise?....
Best
- karim
On 3 Aug 2010, at 04:40, Gerry Beauregard wrote:
> On 2010-08-03 , at 06:07 , Patrick Matte wrote:
>> Maybe check this http://blog.inspirit.ru/?p=405
>
> Hey Patrick, thanks for the link (to Eugene Zatepyakin's "Fast Fourier
> Transform for Flash"). It looks like an interesting implementation, but it
> uses Alchemy. I've been reading up more on Alchemy, and according to Adobe
> it's pre-release, and they advise that it "not be used to generate code for
> use in production". In any case, the Alchemy APIs make passing arbitrary data
> to/from the FFT a bit clunky, e.g. passing a Vector of Numbers requires
> conversion to a ByteArray first.
>
> For what it's worth, I've posted my pure-AS3 FFT implementation here:
> http://gerrybeauregard.wordpress.com/
>
>
>
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