this post was submitted on 25 Jan 2025
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This totally might be true, but the fact that he got as far as measuring the same latency on X and Wayland... and then just gave up and is like "well never mind what the measurements say, it's definitely Wayland"... Hmm.
You gotta do the measurements. It's probably not even that hard, all you need is a USB mouse emulator (any microcontroller with USB peripheral support can do this and there are tons of examples) and a photodiode.
You don't even need to worry about display latency if you are just comparing X with Wayland.
Yeah I really want to see the numbers on this.
It seems to be a absolute breaking issue for them, suggesting a actual noticeable delay. So it should at least be one frame (on 60hz display) of additional latency compared to x11. Especially since there is earlier work Using a Click based measurement setup showing no such delay.