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3 Jan 2024
@k900:0upti.meK900There isn't really much to tweak10:56:30
@crushing-smite:matrix.orgcrushing-smiteJust give it max cores, memory, GPU passthrough, and I am all set?10:56:50
@k900:0upti.meK900The GPU will be passed through as-is and the rest is probably irrelevant10:56:53
@k900:0upti.meK900Definitely don't give it all of your memory10:56:59
@crushing-smite:matrix.orgcrushing-smiteThere definitely must be something else10:56:58
@k900:0upti.meK900And probably don't give it all of the cores10:57:05
@k900:0upti.meK900Just so you always have resources left for the host system10:57:13
@k900:0upti.meK900In case the guest decides to use up all of them10:57:22
@crushing-smite:matrix.orgcrushing-smiteyeah, that one I know10:58:44
@crushing-smite:matrix.orgcrushing-smiteLike, there is absolutely nothing left of some know-how?10:59:14
@crushing-smite:matrix.orgcrushing-smitewhich involves tinkering with XML configs10:59:26
@crushing-smite:matrix.orgcrushing-smite(guess those are already wrapped by nix options)10:59:36
@k900:0upti.meK900I'm sure you can find like10:59:46
@atemu12:matrix.org@atemu12:matrix.org
In reply to @k900:0upti.me
There isn't really much to tweak
Hahaha no
10:59:58
@k900:0upti.meK900Reddit threads telling you about the one magic knob that makes everything 0.075% faster trust me bro my uncle works at qemu11:00:02
@atemu12:matrix.org@atemu12:matrix.orgThere's lots to tweak if you want decent CPU performance11:00:11
@atemu12:matrix.org@atemu12:matrix.orgOr a stutter-free experience11:00:22
@atemu12:matrix.org@atemu12:matrix.orgYou need to pin virtual cores to real cores and set up hugepages as a bare minimum11:00:52
@atemu12:matrix.org@atemu12:matrix.orgI'm sure there's more, I have stopped bothering with it at some point because my games all work on Linux these days11:01:26
@crushing-smite:matrix.orgcrushing-smite
In reply to @atemu12:matrix.org
There's lots to tweak if you want decent CPU performance
I do
11:01:30
@crushing-smite:matrix.orgcrushing-smite
In reply to @atemu12:matrix.org
Or a stutter-free experience
I do
11:01:35
@crushing-smite:matrix.orgcrushing-smite
In reply to @atemu12:matrix.org
I'm sure there's more, I have stopped bothering with it at some point because my games all work on Linux these days
Please tell :(
11:01:44
@atemu12:matrix.org@atemu12:matrix.orgAgain, there's thousands of guides on that11:01:57
@crushing-smite:matrix.orgcrushing-smiteso google "site:reddit.com kvm windows gaming"?11:02:20
@atemu12:matrix.org@atemu12:matrix.org/r/VFIO11:02:37
@atemu12:matrix.org@atemu12:matrix.orgAnd the Arch Wiki11:02:41
@k900:0upti.meK900I feel like most of that info is very outdated by now, because QEMU definitely uses THP by default now11:02:44
@atemu12:matrix.org@atemu12:matrix.orgYou need to set that up on the host side however11:03:05
@crushing-smite:matrix.orgcrushing-smitewhat's THP, and what was before it?11:03:07
@k900:0upti.meK900I'm not sure how much impact CPU pinning will have, probably some, but also probably not a lot unless there's contention11:03:10

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