[Trilinos-Users] [EXTERNAL] Re: NOX output

[Andreas Kreienbuehl]

Hi Roger:

This sounds promising! I definitely take a close look at it.

Cheers,

Andreas

On Fri, Feb 24, 2017 at 8:16 AM, Pawlowski, Roger P <rppawlo at sandia.gov>
wrote:

> There is a tool in the PIKE package in Trilinos that does exactly what you
> are asking for. It is meant for multiphysics coupling and creates
> communicators that segregate physics in subcommunicators (that can be
> separate or overallping) and corresponding FancyOStreams that are tagged
> with MPI process and application name:
>
>
>
> Trilinos/packages/pike/blackbox/src/Pike_MultiphysicsDistributor.hpp
>
> Trilinos/packages/pike/blackbox/src/Pike_MultiphysicsDistributor.cpp
>
>
>
> Trilinos/packages/pike/blackbox/test/core/multiphysics_distributor.cpp
>
>
>
> Roger
>
>
>
> *From: *Andreas Kreienbuehl <akreienbuehl at lbl.gov>
> *Date: *Friday, February 24, 2017 at 10:52 AM
> *To: *Roger Pawlowski <rppawlo at sandia.gov>, "Prokopenko, Andrey (External
> Contacts)" <prokopenkoav at ornl.gov>
> *Cc: *"trilinos-users at trilinos.org" <trilinos-users at trilinos.org>
> *Subject: *Re: [EXTERNAL] Re: NOX output
>
>
>
> Hi Roger:
>
> Thank you very much for your reply!
>
>
>
> My application manages multiple space communicators parallel in time. For
> each space communicator there is a corresponding NOX solver. I would like
> to prefix all time-parallel NOX solver output (one output processor per
> space communicator) by its corresponding MPI time rank and some additional
> application parameters.
>
> In principle, both problems can be solved by passing `-output-filename
> <task-ID>' to OpenMPI's `mpirun'  (thank you, Andrey), `-outfile-pattern
> <task-ID>' to MPICH's `mpiexec', or `-o <task-ID>' to Slurm's `srun'.
> However, in this way the formatting might be suboptimal for
> post-processing. I will take another look at "FancyOStream" therefore.
>
> Thank you again and have a great day,
>
> Andreas
>
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