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Tidy up GPU code, speed up and simplify #40

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smutch opened this issue Jul 20, 2020 · 0 comments

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enhancement open to anyone

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smutch commented Jul 20, 2020

I think we can probably simplify the GPU code quite a bit.

Look at maybe simplifying error handling using the examples in the CUDA developer docs.
Use streams to improve performance.
Get CUFFT working with MPI and multi-GPU (hopefully we can do this if we have one rank orchestrate things).
Allow Mhysa to specify what GPU each rank should connect to, that would allow us to do away with the use of MPS.

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