[FFmpeg-devel] [PATCH] split-radix FFT

matthieu castet castet.matthieu
Tue Aug 5 19:51:56 CEST 2008


Siarhei Siamashka wrote:
> On Mon, Aug 4, 2008 at 10:27 PM, matthieu castet
> <castet.matthieu at free.fr> wrote:
>> M?ns Rullg?rd wrote:
>>> Loren Merritt <lorenm at u.washington.edu> writes:
>>>
> 
> Modern arm cores have hardware fpu which is reasonably fast, so it is
> quite questionable if fixed point decoder would be better for such
> cores. The same happened for x86 in the past and floating point audio
> decoders are now better for modern x86 cores.
Do you have some number for fixed-point vs fpu ?
I was beveling that arm fpu were quite slow, but may be new hardware are 
better.




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