I've found, at least with X.org, compositing hurts performance across the board. All hardware, drivers, software. I generally disable it and don't use anything that requires it.
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NVIDIA Lands Fix To Avoid High CPU Usage When Using The KDE Desktop
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Before I respond to that, I'd just like to say I'm glad some of the Nvidia/KDE stuff is being resolved.
Originally posted by linner View PostI've found, at least with X.org, compositing hurts performance across the board. All hardware, drivers, software. I generally disable it and don't use anything that requires it.
These days I launch all of my games with Lutris and I have Lutris disable and enable compositing when games launch and close. I haven't had to bother with KWin rules since I started using Lutris. I also build Wine with patches that disable compositing with full screen applications as well as using programs like libstrangle to control vsync and limit framerates. With those ways I get the best of both worlds -- a nice pretty desktop with awesome transparency effects and games that run with full performance.
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Originally posted by skeevy420 View Post
~/.profile
/etc/environment
~/.bashrc
~/.zshrc
KDE Settings>Startup And Shutdown>Environment Variables
EDIT: I use ~/.profile and have my shell rc source that.
Kwin may not pick it up in time if you export it like a regular user variable.
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Originally posted by remenic View PostI have this gut feeling that this wasn't the only wrong assumption made by KWin's timing logic. Even when using Intel HD graphics, it's not able to render at a steady 60fps for too long. Stutters are the norm. Not sure what to think of that, but it makes me sad that this is how the kwin maintaners deal with it.
Edit: Enough waiting, here is the repo: https://github.com/tildearrow/kwin-lowlatency
(this may require tinkering if you have multiple graphics cards, and is not guaranteed to work, especially on low-end systems)Last edited by tildearrow; 27 March 2019, 03:23 AM.
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I actually moved away from KDE because of the bad NVIDIA support (whoever fault it is). Just so many things to tweak for it to work fine, and even a black screen in the session manager when logging out. Had to go to Cinnamon/GNOME and things work better over there.
Someday I'll come back to KDE to try again.
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