Classify node processes together with MPI and FORTRAN
I am trying to make an implementation using MPI and Fortran that separates
on groups the processes wich are on the same node. Does MPI have a routine
that identifies that?
I had the idea of separating this processes by their hostnames, that are
the same on the nodes of the machine i am using. But i don't know if it is
general for all clusters.
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