Ask yourself: do you really need a performance boost or are you just chasing the numbers to avoid a non-existant problem?
this post was submitted on 06 Oct 2023
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Yea
Everything is secure until it isn't. I'd leave it on.
The short answer, as a ton of people already said in the comments of the video, is "hell no" it is not and it is most likely also not worth it. Back when the video came out I tested it (with unplugged network) on my system and the performance gain was ~1% which I'd consider well within the margin of error
Mines about 60% faster, ymmv
What workload makes that much of a difference?
Games on a 3rd gen i7
Which games?
Aren't you the guy who runs one of the largest RuneScape private servers? Why tf are you disabling security measures
Isolated machine for emulating old consoles
It depends on how importent security is for that system and how devestating it would be if someone else got control over it and all accounts and devices connected to it.
Assuming there are sucessful exploits it would be like running everything as root and disabling all sandbox/isolation features from the kernel and browsers. I'd say you should not connect such a machine to the internet.
Link for the video?
As a general rule of thumb, I've been told that anything less than a 50% performance boost is hardly noticeable.
I've also heard (but ready to stand corrected) that mitigation costs only about 10% CPU (depending on the CPU).
I don't get out of bed for a 10% performance boost.