[preg_match]

The results show it's identical. Only XWayland suffered any significant degradation, and even then we're talking <5ms which is imperceptible.

[cwillu]

Those results depend on having a 500hz monitor. There's a world of difference between a mildly-buggy rendering loop's 1-frame delay or missing a vsync deadline causing a 2ms delay vs a 16ms delay.