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Bumblebee 3.1 Released With Primus Support [Nvidia Optimus GPU Switching]

Bumblebee 3.1 has been released today with support for Primus as an alternative to the VirtualGL optirun backend, along with other enhancements and fixes.Bumblebee is a (unofficial) tool that brings Nvidia Optimus GPU switching to Linux. Nvidia Optimus is a technology used to increase battery life by switching the dedicated GPU (Nvidia) off when it’s not needed; when the dedicated GPU is off, the integrated graphics chip (Intel) is used. Bumblebee also supports legacy Nvidia hybrid graphics. Changes in Bumblebee 3.1:support for Primus as an alternative to VirtualGL as optirun backend. This is configurable through a new “Bridge” option in bumblebee.conf that by default is set to “auto” – it selects VirtualGL if installed and if not, it uses Primus. In Bumblebee 4.0, Primus may be used as the default option;optirun has gained an option for on-the-fly back-end choice: –bridge;use of non-blocking sockets, replacing former 3.0.1 hotfix for socket polling;added an udev rule to fix nvidia card randomly turning on;fix for Kepler generation cards was added in xorg.conf.nvidia;fix for dual nvidia hybrid systems;fixed nouveau not working under X.org 1.13+;fixed available drivers detection by supporting module aliases;other fixes.For the complete Bumblebee 3.1 release notes, see THIS page.Bumblebee isn’t useful just for

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