[OMPI users] openib_reg_mr

Hi, Is there anything I can do about this? I don't have any locked memory limits. Thanks, Marcus Creating ensight file: EnSight6.geo01 elapsed secs= 6.84 -- The OpenFabrics (openib) BTL failed to register memory

[OMPI users] Reducing across nodes communication in MPI

Dear MPI people,    I am working on a graph partitioning problem, where we have an undirected graph of p MPI processes. The edges have weights that show how much communication processes do among themselves. The cluster has multiple nodes (each node with 8 cores) and