I think you misunderstood something. If you read the info text for the driver on the linked page, it explicitly mentions that you need a _separate_ driver for C

I think you misunderstood something. If you read the info text for the driver on the linked page, it explicitly mentions that you need a _separate_ driver for CUDA. GPU driver: http://www.nvidia.com/download/driverResults.aspx/73628/en-us http://www.nvidia.com/download/driverResults.aspx/73628/en-u... Additional CUDA driver: http://www.nvidia.com/object/macosx-cuda-6.0.37-driver.html http://www.nvidia.com/object/macosx-cuda-6.0.37-driver.html