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Intel also decided to disable AVX-512 on their consumer CPUs going forward, presumably as long as their P+E core strategy remains in place.

I'm of the understanding AVX-512 is available on Alder Lake and up with an appropriate BIOS and the E cores (if applicable) disabled.

I never looked into it in detail, so I could be mistaken.

Only on older CPUs, they started fusing off AVX512 on newer silicon batches (even on 12th gen)

Is there a source for a decision having been made for _all_ their consumer CPUs, not just ADL?