[Dune] Suppressing output from .dgf parser

[Dedner, Andreas]

Ah, sorry!
You are using the parallel metagrid - I did not get that from the output.
Then the problem is that the output you are getting in being generate by the 2d part of the
dune alugrid  bindings which do not know anything about ranks and so on. Each grid is in fact setting
up the same grid in this case...

Have a look at 
alugrid/2d/alu2dgridfactory.hh:234 there you can change the verbosity to false.
I think there is no way to do that "from the outside" at the moment....

Best
Andreas
________________________________________
From: dune-bounces+a.s.dedner=warwick.ac.uk at dune-project.org [dune-bounces+a.s.dedner=warwick.ac.uk at dune-project.org] on behalf of Dedner, Andreas [A.S.Dedner at warwick.ac.uk]
Sent: 09 October 2012 20:11
To: Andreas Lauser; dune at dune-project.org
Subject: Re: [Dune] Suppressing output from .dgf parser

Hi.
The problem is a different one:
>From the output it seems that Eike is using AluGrid<2,3>. i.e.,
the 2d alugrid version and that does not run in parallel.
So you are simply getting 1000+ processes running the same problem and all
having rank=0.
Best
Andreas
________________________________________
From: dune-bounces+a.s.dedner=warwick.ac.uk at dune-project.org [dune-bounces+a.s.dedner=warwick.ac.uk at dune-project.org] on behalf of Andreas Lauser [andreas.lauser at iws.uni-stuttgart.de]
Sent: 09 October 2012 18:40
To: dune at dune-project.org
Subject: Re: [Dune] Suppressing output from .dgf parser

Hi Eike,

Do you want to run 1000 sequential simulations, or do you want to run one
simulation on 1000 cores? If the latter, please check that the summary says
that ALUGrid is compiled for parallel usage, i.e. that the corrosponding
summary line reads:

ALUGrid.................: version 1.50 (parallel)

(In my simulations, the message is only printed once even for parallel runs,
so you probably did not compile the ALU library for parallel usage...)

cheers
  Andreas

Am Dienstag, 9. Oktober 2012, 17:41:37 schrieb Eike Mueller:
> Dear DUNE list,
>
> in my code I'm reading in a .dgf file as follows:
>
>    typedef Dune::GridSelector::GridType HostGrid;
>    Dune::GridPtr<HostGrid>
> gridPtr(grid_param.gridFilename(),MPI_COMM_WORLD); HostGrid& hostgrid =
> *gridPtr;
>
> If I do this in parallel, each process prints out the following message:
>
> Created serial ALUGrid<2,3,cube,nonconforming> from macro grid file
> './cubedsphere_2x2.dgf.
>
> (and also complains that I didn't specify the tolerance parameter).
>
> Can I somehow switch off these messages or make only the master process
> print out this information?
>
> When running with 1000+ processes these messages make my output files pretty
> hard to read...
>
> Thanks a lot,
>
> Eike
--
Andreas Lauser
Department of Hydromechanics and Modelling of Hydrosystems
University of Stuttgart
Pfaffenwaldring 61
D-70569 Stuttgart
Phone: (+49) 711 685-64719
Fax: (+49) 711 685-60430
www.hydrosys.uni-stuttgart.de

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