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CUDA: Specifying the graphics card on Macbook Pro 15 Retina

W. Craig Carter, MIT
Posted 11 years ago

Hello, This is a general question about running CUDA on a Mac (10.9.5) with retina display.

The newer Macbook Pros have two graphics cards. The FrontEnd and CUDA utilize the same higher performance graphics card.

Does anyone know if I can make the FrontEnd use the lower performance card? Would this improve performance for my CUDA computations? If both the FrontEnd and CUDA are in use, is there a risk of GPU memory being overwritten? I seem to get more frequent crashes when CUDALink is loaded.

Showing that CUDA is using the Nvidia card:

enter image description here activity monitor showing FrontEnd used

Showing that FrontEnd is using the same card

enter image description here
POSTED BY: W. Craig Carter
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Thanks Bruce, That app works and shows that both the FrontEnd and a cuda program both can access the GPU at the same time without crashing the FrontEnd.

The question remains whether I can specify that the FrontEnd use a specific graphics card.

Many thanks, Craig
POSTED BY: W. Craig Carter

A developer suggested the third-party app from https://gfx.io/ .

POSTED BY: Bruce Miller
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