[FFmpeg-devel] [PATCH] NEON FFT/IMDCT
Thu Sep 3 14:03:58 CEST 2009
On Thu, Sep 03, 2009 at 11:08:33AM +0100, M?ns Rullg?rd wrote:
> Naotoshi Nojiri <naonoj at gmail.com> writes:
> > 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.
You mean for ARM, which you maintain. For x86 I think it is still
Also a part was as a separate asm file, so you still have something to
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