[FFmpeg-devel] [PATCH] NEON FFT/IMDCT
Thu Sep 3 12:08:33 CEST 2009
Naotoshi Nojiri <naonoj at gmail.com> writes:
> I tested the patch on Cortex-A8 @500MHz (BeagleBoard).
> FFT (fft-test -s):
> 440.8 -> 34.2 us/transform (12.9x speed up)
> IMDCT (fft-test -i -m -s):
> 142.4 -> 11.8 us/transform (12.1x speed up)
> I had written NEON intrinsics code a bit, but this is my first
> ARM/NEON code in assembly.
> So, any comments and suggestions would be appreciated.
Inline asm is unacceptable.
mans at mansr.com
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