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Subject: Re: [OMPI users] User Interface for MPMD
From: Gus Correa (gus_at_[hidden])
Date: 2012-08-10 12:00:06


On 08/10/2012 11:31 AM, Frank Kampe wrote:
> Are there any user level APIs to provide the following information to
> a running OpenMPI MPMD program:
>
> (1) Number of executable instances
>
> (2) 1st MPI Task rank of each instance
>
> (3) Number of MPI Tasks per instance
>
> Thank You
>
>
>
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> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users
Hi Frank
Check 'man mpiexec', the --app file option, maybe also --rankfile.
The on process binding at the end may also help.
I hope this helps,
Gus Correa