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How To Enable Intel SNA Acceleration In Ubuntu

SNA is a 2D acceleration architecture for the open source Intel Linux graphics driver that provides improved X.Org driver performance, and thus, better desktop user experience. The name stands for “Sandy Bridge New Acceleration” and contrary to its name, it not just for Sandy Bridge but for previous Intel graphics generations as well.Here’s how to enable Intel SNA in Ubuntu 12.04 or 12.10.You can see some old UXA (used by default) vs SNA benchmarks at Phoronix.Enable Intel SNA in Ubuntu 12.10Intel SNA is available in Ubuntu 12.10 without installing any extra packages, but it’s not enabled by default. To enable SNA, you need to create a /etc/X11/xorg.conf file:gksu gedit /etc/X11/xorg.confAnd paste the following:Section “Device” Identifier “intel” Driver “intel” Option “AccelMethod” “sna”EndSectionThen save the file, log out and log back in.In my test (using an Intel HD 3000 GPU), there were some artefacts when using Intel SNA in Ubuntu 12.10, which don’t occur after adding the Xorg Edgers PPA so if that’s the case for you too, follow the steps under the alternative method below.Or, if you just want to

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