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Old 15th May 2021, 23:23   #18  |  Link
soresu
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Join Date: May 2005
Location: Swansea, Wales, UK
Posts: 191
Massive speed up for 10 bpc content on AVX2 CPUs landed in the dav1d master recently:

https://code.videolan.org/videolan/d..._requests/1195

As well as another separate commit for AVX2 mc.emu_edge on 10 bpc content:

https://code.videolan.org/videolan/d..._requests/1196

The work for the main (huge) commit was sponsored by Facebook and Netflix according to the merge request.

It will be part of the dav1d 0.9 release which is likely to land pretty soon - this will also include numerous NEON asm for film grain synthesis on 8 bpc content, and the beginnings of the same for 10+ bpc content.

This release will render most 4K 10 bpc content pretty playable on many 8 core AVX2 capable CPU's, so even those that bought AMD Renoir and Cezanne based NUCs should still manage pretty well even without the AV1 ASIC coming for Van Gogh and Rembrandt APUs onward.
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