Don't automatically switch to the higher-end discrete GPU

Question

As written in this Technical Q&A:

By default, once your application creates an OpenGL context (by either calling OpenGL directly or an API that reli

Answer 1

On late 2008 MacBook Pros, unfortunately, there is nothing we can do to avoid the switching to the discrete GPU.

On 2011 MacBook Pros, instead, the automatic switch can be prevented inserting the NSSupportsAutomaticGraphicsSwitching key with a Boolean value of true inside the Info.plist file. Note that this only works starting with Mac OS X Lion.