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(I am using Manjaro Distro)
This configuration has been tested and optimized for NVIDIA and KDE/PLASMA 5
My "profile" config
/etc/profile
#sync my main monitor
export __GL_SYNC_DISPLAY_DEVICE=DFP-0
#prevent SDL Games taking all over my 2 screens so with this I Am forcing games to start on my main monitor
export SDL_VIDEO_FULLSCREEN_HEAD=0
export SDL_VIDEO_FULLSCREEN_DISPLAY=0
export SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS=0
#Eliminate Tearing issues
export KWIN_TRIPLE_BUFFER=1
export KWIN_USE_BUFFER_AGE=0
/etc/X11/mhwd.d/nvidia.conf
Option "TripleBuffer" "True"
Option "NoLogo" "1"
Option "RenderAccel" "1"
Option "Coolbits" "24"
Option "MigrationHeuristic" "greedy"
Option "RenderAccel" "True"
Option "AddARGBGLXVisuals" "True"
Option "DisableGLXRootClipping" "True"
Option "DamageEvents" "True"
Option "UseEvents" "False"
Option "BackingStore" "True"
Option "PixmapCacheSize" "2000000"
Option "AllowSHMPixmaps" "0"
Option "OnDemandVBlankInterrupts" "True"
Option "InitialPixmapPlacement" "1"
Option "GlyphCache" "1"
Option "TwinView" "True"
I am using TwinView since I am using 2x Monitors
Regarding PixmapCacheSize, this option reserves a chunk of your GPU's video memory for fast pixmap allocation and greatly improves performance of any X application heavily relying on pixmap allocation.
The PixmapCache size is measured in pixels; a pixel of PixmapCache uses a little more than 5 bytes of video memory, meaning a PixmapCacheSize of 1,000,000 will reserve a little under 5MB of video memory for pixmap allocation. Feel free to increase this size to get better performance, taking into account the amount of memory on your graphics card and the fact that this memory will be unavailable for OpenGL texture allocation.
This fixes
Unresponsive GUI in general
Choppy and slow resize of windows
Slow scrolling
Slow Firefox
Firefox choking on fixed backgrounds
in general it fixes SLOW 2D PERFORMANCE
if anyone has some suggestions or questions let me know
You need only 3 tools:
nvidia-settings --> X Server Display Configuration
systemsttings (KDE5) --> Display and Monitor
systemsttings (KDE5) --> Window Management --> window rules
and maybe Kwrite/kate for the /etc/xorg.conf
I have:
opensuse Tumbleweed
GeForce GTX 760
KDE Plasma 5
2 Displays.
If you need help, i try to help you.
But forgive me, my English is not the best. German is my native language.