Probably best to utilise AVX-512 where it gives the best gains without triggering thermal throttle. The good thing at least with 307 separate patches this can be whittled down. If a function is frequently used and gives only a small gain, it may actually encode faster if on mitred fire to the throttling the patch causes. Even if throttling isn't triggered on a particular rig, temperature difference should be taken into account to cover typical situations.
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