gpu.md
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### Requirements for GPU (CUDA) applications
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-1. To use GPU-accelerated applications, you will need an NVIDIA GPU. We don't currently support other co-processors (Xeon Phi, AMD). If you think we should, let us know at bugs@sbgrid.org .
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+**NVIDIA Hardware**
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+To use GPU-accelerated applications, you will need an NVIDIA GPU. We don't currently support other co-processors (Xeon Phi, AMD). If you think we should, let us know at bugs@sbgrid.org .
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Not all GPUs are created equal - some applications are restricted to GPUs with a certain 'Compute Capability (i.e. of 3.5 or greater)'. You can check your card's rating and find more information on GPU computing here : [https://developer.nvidia.com/cuda-gpus](https://developer.nvidia.com/cuda-gpus)
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-2. Drivers
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+**Drivers**
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You linux workstation must have the proper drivers for your GPU. You can find drivers for your card here : [https://developer.nvidia.com/cuda-zone](https://developer.nvidia.com/cuda-zone)
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We currently support applications that rely on versions of CUDA 5 to 8 and these libraries are included with the SBGrid distribution. For best results, it is important to have a recent driver version if possible.
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For more information on GPUs and RELION, check Erik Lindahl's blog at the Department of Biochemistry & Biophysics, Stockholm University, [http://www.cryoem.se/relion-gpu](http://www.cryoem.se/relion-gpu)
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-GPU questions? Please email *bugs@sbgrid.org*
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+GPU questions? Want to use GPU support in an application and it's not working? Please email *bugs@sbgrid.org*