bug#72960: 31.0.50; PGTK Wayland exhibits more lag than X11 version

2024-09-03 Thread Bug reports for GNU Emacs, the Swiss army knife of text editors
Eli Zaretskii writes: > Thanks. Maybe Po Lu will have some ideas. I mentioned one. I think a C profiler (e.g. gprof) would provide more insightful data.

bug#72960: 31.0.50; PGTK Wayland exhibits more lag than X11 version

2024-09-03 Thread Bug reports for GNU Emacs, the Swiss army knife of text editors
Eli Zaretskii writes: > Po Lu, any other ideas or suggestions? > >> FYI there are other reports online of people noticing major latency in HiDPI >> mode with the PGTK version, especially when the frame is fullscreen (so >> there's more pixels to update): >> >> https://old.reddit.com/r/emacs/

bug#72960: 31.0.50; PGTK Wayland exhibits more lag than X11 version

2024-09-03 Thread Stephane Travostino
On Tue, 3 Sep 2024, at 13:52, Eli Zaretskii wrote: >> Date: Tue, 03 Sep 2024 12:27:09 +0100 >> From: "Stephane Travostino" >> Cc: 72...@debbugs.gnu.org >> >> On Mon, 2 Sep 2024, at 13:12, Stephane Travostino wrote: >> > On Mon, 2 Sep 2024, at 13:05, Eli Zaretskii wrote: >> >>> Date: Mon, 02 Sep 2

bug#72960: 31.0.50; PGTK Wayland exhibits more lag than X11 version

2024-09-03 Thread Eli Zaretskii
> Date: Tue, 03 Sep 2024 16:36:44 +0100 > From: "Stephane Travostino" > Cc: 72...@debbugs.gnu.org > > > Please try profiling the lagging cases with "M-x profiler", and post > > the profile here. > > I don't know how to make a consistent test case. I have tried here to profile > opening Emacs (s

bug#72960: 31.0.50; PGTK Wayland exhibits more lag than X11 version

2024-09-03 Thread Stephane Travostino
On Mon, 2 Sep 2024, at 13:12, Stephane Travostino wrote: > On Mon, 2 Sep 2024, at 13:05, Eli Zaretskii wrote: >>> Date: Mon, 02 Sep 2024 10:18:03 +0100 >>> From: "Stephane Travostino" >>> >>> Heavy operations, such as scrolling back and forth in a buffer, are >>> noticeably laggier, for lack of b

bug#72960: 31.0.50; PGTK Wayland exhibits more lag than X11 version

2024-09-03 Thread Eli Zaretskii
> Date: Tue, 03 Sep 2024 12:27:09 +0100 > From: "Stephane Travostino" > Cc: 72...@debbugs.gnu.org > > On Mon, 2 Sep 2024, at 13:12, Stephane Travostino wrote: > > On Mon, 2 Sep 2024, at 13:05, Eli Zaretskii wrote: > >>> Date: Mon, 02 Sep 2024 10:18:03 +0100 > >>> From: "Stephane Travostino" > >>

bug#72960: 31.0.50; PGTK Wayland exhibits more lag than X11 version

2024-09-02 Thread Stephane Travostino
On Mon, 2 Sep 2024, at 13:05, Eli Zaretskii wrote: >> Date: Mon, 02 Sep 2024 10:18:03 +0100 >> From: "Stephane Travostino" >> >> Heavy operations, such as scrolling back and forth in a buffer, are >> noticeably laggier, for lack of better word, in the PGTK/Wayland version >> than the X11, both te

bug#72960: 31.0.50; PGTK Wayland exhibits more lag than X11 version

2024-09-02 Thread Eli Zaretskii
> Date: Mon, 02 Sep 2024 10:18:03 +0100 > From: "Stephane Travostino" > > Heavy operations, such as scrolling back and forth in a buffer, are > noticeably laggier, for lack of better word, in the PGTK/Wayland version > than the X11, both tested on KDE in Wayland mode. > > Affects both 29.2 and

bug#72960: 31.0.50; PGTK Wayland exhibits more lag than X11 version

2024-09-02 Thread Stephane Travostino
Heavy operations, such as scrolling back and forth in a buffer, are noticeably laggier, for lack of better word, in the PGTK/Wayland version than the X11, both tested on KDE in Wayland mode. Affects both 29.2 and the latest HEAD compiled a few days ago. I am unsure whether it is a KDE or Emacs p