lucky me, i’m running mitigations=off and smt=off on a 7950x. | Hacker News

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		nathants on Oct 8, 2023 \| parent \| context \| favorite \| on: Mitigations=off considered harmful or spurious SIG... lucky me, i’m running mitigations=off and smt=off on a 7950x.

zamadatix on Oct 8, 2023 [–]

Out of curiosity did you have smt=off for performance reasons or other reasons?

nathants on Oct 8, 2023 | [–]

performance testing vulkan and physx on linux.

TimeBearingDown on Oct 11, 2023 | | [–]

Note recent reports of mitigations=off _hurting_ Zen4 performance in many cases.

I don't have Zen4 so I'm not super up-to-date on this -- r2-t2 above disagrees, but offers no data.

https://www.phoronix.com/news/AMD-Zen-4-Mitigations-Off

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