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• 14:17, 16 December 2025 Jondale talk contribs created page Rocky Python MPI Hello World (Created page with "= MPI Jobs on Rocky = == Supported Stack == We currently recommend and support: * '''OpenMPI 4.1.6''' * '''PMIx 4.2.6''' * '''mpi4py 4.0.1''' = MPI Example: Hello World in Python = == hello_mpi4py.py == <syntaxhighlight lang="python"> from mpi4py import MPI import socket comm = MPI.COMM_WORLD rank = comm.Get_rank() size = comm.Get_size() hostname = socket.gethostname() print(f"Hello from rank {rank} of {size} on {hostname}") </syntaxhighlight> == hello_mpi4py.s...")