[Trilinos-Users] Rythmos 1D FEM example fails to run in parallel

Bartlett, Roscoe A rabartl at sandia.gov
Tue Feb 9 13:10:54 MST 2010


Slaven,

>From looking at:

    packages/rythmos/example/epetra/1Dfem/CMakeLists.txt

And:

    http://trilinos.sandia.gov/cdash/viewTest.php?onlypassed&buildid=205481

it does not appear that this example was meant to run in parallel.

- Ross



> -----Original Message-----
> From: trilinos-users-bounces at software.sandia.gov [mailto:trilinos-
> users-bounces at software.sandia.gov] On Behalf Of Peles, Slaven Export
> License Required - US UTRC
> Sent: Tuesday, February 09, 2010 12:09 PM
> To: trilinos-users at software.sandia.gov
> Subject: [Trilinos-Users] Rythmos 1D FEM example fails to run in
> parallel
> 
> Hi,
> 
> I wonder if anyone successfully ran Rythmos 1D FEM example in parallel?
> (packages/rythmos/example/epetra/1Dfem, version 10.0.4)
> 
> I compiled this example on a Linux box with 8 cpu cores. The code runs
> fine on one cpu; when I run it on 2-4 cpus the results come with a
> large error compared to the "exact" solution and computation diverges
> if I try to run it on a larger number of cpus. I tried adaptive BDF and
> fixed step backward Euler methods, with and without NOX, and with
> different tolerances, but the same problem occurs.
> 
> If anyone has a suggestion how to troubleshoot this, please let me
> know. Also, let me know if you want me to supply any additional
> information.
> 
> Thanks,
> --
> Slaven Peles
> 
> 
> 
> 
> _______________________________________________
> Trilinos-Users mailing list
> Trilinos-Users at software.sandia.gov
> http://software.sandia.gov/mailman/listinfo/trilinos-users



More information about the Trilinos-Users mailing list