[FFmpeg-devel] [PATCH] NEON code for basic scalar ops
Thu Jul 23 05:37:03 CEST 2009
On Tue, Jul 21, 2009 at 03:23:58PM +0100, M?ns Rullg?rd wrote:
> Kostya <kostya.shishkov at gmail.com> writes:
> > While waiting for RTMP patch review, here's a bit of NEON code to speed
> > up int16 array addition/subtraction and scalar product calculation.
> > This about halves decoding time for APE compressed at insane level
> > (so it's only 7 times slower than realtime on my BeagleBoard).
> These functions are far from optimal.
Since I won't be able to work at it for some time I post here version
that is few cycles closer to optimal (but still far away).
> M?ns Rullg?rd
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