[Pw_forum] mpirun

Paolo Giannozzi giannozz at nest.sns.it
Tue Apr 29 18:36:37 CEST 2003


> -------------------------------------------------------
> It seems that [at least] one of processes that was started with mpirun
> did not invoke MPI_INIT before quitting (it is possible that more than one
> process did not invoke MPI_INIT -- mpirun was only notified of the first
> one, which was on node n0).
> mpirun can *only* be used with MPI programs (i.e., programs that
> invoke MPI_INIT and MPI_FINALIZE).  You can use the "lamexec" program
> to run non-MPI programs over the lambooted nodes.
> --------------------------------------------------------
> Any advices?

try to start the code without mpirun. If it starts and does not print
     Parallel version (MPI)
you have not compiled properly for the parallel case


Paolo Giannozzi             e-mail:  giannozz at nest.sns.it
Scuola Normale Superiore    Phone:   +39/050509412
Piazza dei Cavalieri 7      Fax:     +39/050509417, 050563513     
I-56126 Pisa, Italy         Office:  Lab. NEST, Via della Faggiola 19

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