[opus] Bug fix in celt_lpc.c and some xcorr_kernel optimizations

John Ridges jridges at masque.com
Fri Jun 7 11:33:06 PDT 2013

Hi JM,

I have no doubt that Mr. Zanelli's NEON code is faster, since hand tuned 
assembly is bound to be faster than using intrinsics. However I notice 
that his code can also read past the y buffer.


On 6/6/2013 9:22 PM, Jean-Marc Valin wrote:
> Hi John,
> Thanks for the two fixes. They're in git now. Your SSE version seems to
> also be slightly faster than mine -- probably due the the partial sums.
> As for the NEON code, it would be good to compare the performance with
> the code Aurélien Zanelli posted at
> http://darkosphere.fr/public/0002-Add-optimized-NEON-version-of-celt_fir-celt_iir-and-.patch
> Cheers,
> 	Jean-Marc

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