[FFmpeg-devel] [PATCH] VP8 decoder
Sun Jun 27 03:25:05 CEST 2010
On Jun 23, 2010, at 9:18 AM, Ronald S. Bultje wrote:
> On Wed, Jun 23, 2010 at 7:00 AM, Diego Biurrun <diego at biurrun.de> wrote:
>> And while we're at it: How does the speed compare to libvpx?
> David said: "Speed is currently ~10% faster than libvpx for
> intra-only, and 40-50% faster for normal video, probably mostly due to
> faster C loop filter functions." I haven't verified that
> independently, I intend to do some comparisons after our initial SIMD
> functions are ready (for loopfilter, MC and IDCT).
Hm, I should have proofread my email better...
I meant 40-50% faster than libvpx without any SIMD; with SIMD it's ~2x faster than we are right now.
But given that we spend 75% of our time in functions that are being SIMDified, we should be decently faster for real once that's in.
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