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Old 08-25-10, 04:30 AM   #13
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Join Date: Aug 2010
Posts: 1
Default Re: No Optimus support means NO Nvidia at all or no dynamic switching?

If they claim that is possible to use CUDA with Optimus. I would know how i could do this?
For instance if i write and compile a CUDA-file (in a Ubuntu 10.04 enviroment) this file does not find a CUDA device (cudaGetDeviceCount returns nothing)? I am preparing a short seminar about Cuda programming at my university and i am not able to test my example programs und compare the performance with the same CPU -programs. Unfortunately i have to give the information that many nvidia-laptops are not usefull for scientific programming under CUDA because they are not able to use Linux. So please Aaron if you can give us a hint how we can use CUDA, give it!

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