[mvapich-discuss] CUDA P2P support?

Crni Gorac cgorac at gmail.com
Mon Jul 9 16:46:31 EDT 2012


In case one MPI process is launched per GPU, and MPI_Send/MPI_Recv
operation referencing
GPU pointers happens to be between GPUs attached to the same machine,
is MVAPICH able to recognize such situation, and utilize CUDA P2P
transfers in this case?

Thanks.


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