We have done some work over the last year or two to add some CUDA-aware support into the Open MPI library.  Details on building and using the feature are here.

 

http://www.open-mpi.org/faq/?category=building#build-cuda

http://www.open-mpi.org/faq/?category=running#mpi-cuda-support

 

I am looking for any feedback on this feature from anyone who has taken advantage of it.  You can send just send the response to me if you want and I will compile the feedback.

 

Rolf


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