this post was submitted on 23 Jun 2024
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88
Finnish startup says it can speed up any CPU by up to 100x using a tiny piece of hardware with no recoding (www.techradar.com)
submitted 4 months ago* (last edited 4 months ago) by [email protected] to c/[email protected]
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[–] [email protected] 18 points 4 months ago (2 children)

Others have already laughed at this idea, but on a similar topic:

I know we’ve basically disabled a lot of features that sped up the CPU but introduced security flaws. Is there a way to turn those features back on for an airgapped computer intentionally?

[–] [email protected] 41 points 4 months ago

The kernel option is mitigations=off, if you want to try adding it to your Grub command line? From the testing I've done, provides no benefits whatsoever - no more frames in games, compilation runs no quicker, battery life on a laptop is no better.

https://wiki.archlinux.org/title/Improving_performance#Turn_off_CPU_exploit_mitigations

[–] [email protected] 7 points 4 months ago

Haven't used it in years, but it might still work:

https://www.grc.com/inspectre.htm