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Measuring input latency on Linux: X11 vs Wayland, VRR, and DXVK - Marco Nett (marco-nett.de)

submitted 2 weeks ago by e8d79@discuss.tchncs.de to c/linux@programming.dev

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Really cool research. Overall, X11 still wins compared to Wayland(kwin) but only by 0.14 - 0.22 ms. The really bad performance hit is from XWayland which added 3.13 ms.

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[–] kogasa@programming.dev 1 points 2 weeks ago

The 3ms figure is nonsense anyway. 2ms of that is just bad scheduling/presentation config that disappeared when using dxvk-low-latency. Use native wayland or Gamescope+WSI and you're within 1ms of X11 generally.