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Use cartesian MPI topology.
That will give most optimal process mapping (communicating processes would have good connections).
Also, then halo exchange could be done with the MPI neighbor collectives.
The text was updated successfully, but these errors were encountered:
Use cartesian MPI topology.
That will give most optimal process mapping (communicating processes would have good connections).
Also, then halo exchange could be done with the MPI neighbor collectives.
The text was updated successfully, but these errors were encountered: