GPU Computing MacBook Pro (Retina 15'' mid 2014) force computer to use attached Intel iris GPU, give MATLAB access to entire 2GB Nvidia 750M

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BMWv
BMWv 2017-4-8
评论： BMWv 2017-4-8
I am running MATLAB R2016B. My computer has two GPU's. My CUDA driver is up to date (8.0). I'd like to force my computer to only use one GPU, to enable MATLAB to access the other without the computer trying to borrow memory from it.
I realize turning off automatic graphics switching could force the MacBook to just use the Nvidia card, but MATLAB can't find the Intel iris GPU. When I enter
gpuDevice(1)
MATLAB finds the Nvidia GPU but not the Intel iris GPU. When I type
gpuDevice(2)
MATLAB says: Invalid CUDA device id: 2. Select a device id from the range 1:1. Please let me know of any suggestions!

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回答（1 个）

Michal
Michal 2017-4-8
编辑：Michal 2017-4-8
Your computer has only one Cuda GPU device, not two. Intel graphics is not Cuda enabled device. So, you cannot access to Intel graphics by gpuDevice command.

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