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MATLAB 2014a always uses the discrete GPU only, which is not necessary. (2013a didn't do this, therefore I think there might be an easy solution.)

How could I prevent this? I tried setting the NSSupportsAutomaticGraphicsSwitching flag in Info.plist, but this didn't help.

I don't want to force it using gfxcardstatus as I often work with an external monitor.

traindriver
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Disable automatic graphics switching in the Energy Preferences Panel of System Preferences. This will force your MBP to only use the dedicated GPU, not the discrete GPU.

chillin
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    Other way around...Forces your MBP to use the discrete GPU at all times. – njboot May 31 '14 at 05:34
  • Obviously, @njboot, I am not perfect, but I work for the forces of good. I do not understand what you are trying to do by spreading this misinformation. Disabling graphics switching forces the use of the dedicated Intel-GPU only. – chillin May 31 '14 at 05:46
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    sorry pal, you are wrong. "When automatic graphic switching is disabled, your computer will use high performance graphics. This may decrease battery life." I unchecked automatic graphics switching and my computer immediately switched from the integrated to discrete - as indicated by gfxstatus. http://postimg.org/image/6fq6hra59/ – njboot May 31 '14 at 05:50