Near-native performance of any windows game through VFIO/KVM [video]
youtube.com
youtube.com
The same youtuber also runs a pretty well made test on latency[1] which appears to be so low it was imperceptible with the testing methods. There is also a very well put together guide that makes all the information very accessible and consumable for those curious enough to try it [2].
[1]https://www.youtube.com/watch?v=Ol9O3Jow740 [2]https://www.youtube.com/watch?v=fFz44XivxWI