CUDA + Mathematica

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http://ubuntuforums.org – How can I get Mathematica to use my preinstalled CUDA SDK? I have gotten it to use my NVIDIA driver. CUDADriverVersion[] 310.19.Revision Number However whenever I want to execute anything related to CUDALink I get "loading from Wolfram Research server". It takes so long and I am afraid it is downloading another driver. I'm on an optimus machine and the setup is very fragile. I don't want to download anything else. I have also created a symbolic link to my CUDA_5.0 SDK at: ~.Mathematica/Paclets/Repository/CUDAResources-Lin64- (Hardware)