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NixOS Gaming

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Gaming things, my hands are typing words.152 Servers

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17 Jul 2025
@mon:tchncs.depneumatic joined the room.23:58:21
18 Jul 2025
@jonhermansen:matrix.orgjonhermansenHoly crap, I've really been missing out. Looking Glass performance is really good. Now if I can only figure out how to correctly isolate and pin my CPU cores...02:40:56
@jonhermansen:matrix.orgjonhermansenIs anyone doing similar things and wanna share their setup?02:42:39
@jonhermansen:matrix.orgjonhermansenI have serious problems with automatic core assignment in virt-manager with a game that is basically single core. Maybe I should simply try reducing the number (I have 16 P-Cores, so I gave 12 to the VM) Maybe I also need hugepages I thought KVM would be maybe 5% to 10% performance hit. The latency on the system becomes really bad and I don't know why.02:47:39
@jonhermansen:matrix.orgjonhermansen* I have serious problems with automatic core assignment in virt-manager with a game that is basically single core. Maybe I should simply try reducing the number (I have 16 P-Cores, so I gave 12 cores to the VM) Maybe I also need hugepages I thought KVM would be maybe 5% to 10% performance hit. The latency on the system becomes really bad and I don't know why.02:49:17
@jonhermansen:matrix.orgjonhermansen I have 144hz monitor and the latency transferring data from the GPU is very low, but I'm still trying to iron out the CPU issues in the guest.

Maybe I should switch to invoking qemu from a script or as a systemd service
03:08:11
@jonhermansen:matrix.orgjonhermansen* I have serious problems with automatic core assignment in virt-manager with a game that is basically single threaded. Maybe I should simply try reducing the number (I have 16 P-Cores, so I gave 12 cores to the VM) Maybe I also need hugepages I thought KVM would be maybe 5% to 10% performance hit. The latency on the system becomes really bad and I don't know why.03:10:08
@jonhermansen:matrix.orgjonhermansen And for some reason, I can not use host-passthrough cpu or else the guest will crash. Even with migratable="off" 03:10:55
@jonhermansen:matrix.orgjonhermansenguest is Windows 1003:11:42
@haauler:matrix.org@haauler:matrix.org joined the room.14:24:28
@gaelle:chat.blahaj.zoneGaƫlle joined the room.14:47:56
@colemickens:matrix.orgcolemickensI feel so lost trying to keep track of FSR3/3.5/4, the new lossless scaling stuff, what exists in Proton/Gamescope/drivers. Ugh.23:27:53

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