[OMPI users] Dynamically changing machine file data

[Keith Hellman]

I'm working on a rather eccentric application of openmpi.  Is there
any way to dynamically change the information obtained from the 
machine or hosts file provided on the command line to mpirun?

Perhaps something like:
  MPI_Reread_Hosts( const char* hfilepath );

Many thanks in advance,
-- 
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