Now the question is, how terrible of an idea is it to try playing VR games on my Threadripper in a VM while it's compiling Gentoo packages? I mean, emerge is niced, I have an NVMe drive, and RAM to spare. It *should* work... right? The scheduler *should* handle it, right? Right?
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on my setup (1920X), I have cgroups set up to reserve cores and RAM from one NUMA node for the VM also, based on advice I saw online, I expose each CCX within that node as a NUMA node within the VM not sure how much that helps performance, but it definitely didn't make it worse
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also, I pin all 12 vCPUs to a specific hardware thread (so the VM does get SMT)
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I have nothing to add there, I would have hoped for a more isolated experience. I'm very interested since I plan on a similar setup for a 5950X that is (hopefully) on its way soon.
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