[Webkit-unassigned] [Bug 248223] [GTK] Significant graphics performance regressions

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Nov 22 09:09:01 PST 2022


https://bugs.webkit.org/show_bug.cgi?id=248223

--- Comment #5 from Michael Catanzaro <mcatanzaro at gnome.org> ---
(In reply to Michael Catanzaro from comment #4) 
> That seems like a pretty good guess. It was disabled in 256526 at main which
> landed just before 2.39.1. But there is an environment variable override:
> you can use WEBKIT_NICOSIA_PAINTING_THREADS=4 to go back to the previous
> behavior, so you can benchmark again without needing to downgrade anything
> and see if that is to blame. Seems pretty likely.

Note that flatpak maybe filters out environment variables? Probably need to enter the flatpak environment using 'flatpak run --command=/bin/bash org.gnome.Epiphany.Devel' before setting the environment variable, rather than try running flatpak with that environment variable set.

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