In terms of speed, I would actually love if someone wrote AVX512 assemblies for the 10bit version of x264.
We already have them for the 8bit version, which is really welcomed for distribution encodes (especially given that we do lots of them), but any mezzanine file / TX Master is gonna be 10bit, think about Intra Classes for FULL HD and UHD files. Especially with UHD files, I feel like AVX512 would speed up XAVC encodes a lot in x264 compared to AVX2 only.
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