Bumblebee
From Hybridgraphics
Bumblebee allows you to run specific programs on the discrete graphic card, inside of an X session using the integrated graphic card. Martin Juhl started with the project and published under GPL v3 and now continues with [Ironhide] (deprecated). To improve co-operation, developers decided to fork the project into a team: Bumblebee-Project.
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Installation
Bumblebee 2.4 and before was written in Bash and has now been superseded by Bumblebee 3.0, which is written in C. Many distributions are supported, including Arch Linux, Debian, Mandriva and Ubuntu. For the latest installation instructions, see http://wiki.bumblebee-project.org/Install-and-usage.
Ubuntu users (especially when upgrading) see How well do laptops with Nvidia Optimus work?
Testing
You can compare display performances with and without bumblebee :
glxgears optirun glxgears
Note: when running just glxgears, if you see this message:
Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate.
The FPS value will always be close to 60. Instead you should do:
vblank_mode=0 glxgears
Configure it
On versions prior to 2.3, you had to run bumblebee-configuration to configure Bumblebee. Newer versions automatically detect the right version for you.
Uninstalling
If you've installed Bumblebee through your package manager, remove it using your package manager.
Source
If you're really using an old version (from MrMEEE, versions prior to 2.3), you are screwed. If you have installed Bumblebee 2.4 from git, run `bumblebee-uninstall`. Version 3.0 and later can be uninstalled from the source directory by running `make uninstall`.
Reporting bugs
Run bumblebee-bugreport and follow the instructions, bugs or feature requests can be reported at http://Bumblebee-Project.org/issues.
