[Wayland-bugs] [Bug 778926] [gnome-terminal] Very poor scrolling performance on wayland with high DPI

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=778926

--- Comment #25 from François Guerraz <kubrick at fgv6.net> ---
Now that 3.28 is out, I've looked into it properly again, that is monitoring
not only the CPU usage but also the cpu frequency and power usage.

On my system (Skylake, HiDPI screen, Gnome 3.28), on battery, running 

$ while true; do sleep 0.1; echo 1; done

On X, average cpu frequency is about 550MHz, terminal + X + gnome-shell cpu
usage combined is 25%, average power usage is 7.49W

On Wayland , average cpu frequency is about 650MHz, terminal + gnome-shell cpu
usage combined is 50%, average power usage is 10.17W

So we still have a measurably huge regression in cpu & power usage.

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