[Trilinos-Users] Using SerialComm when MPI is enabled
eric.marttila at thermoanalytics.com
Tue Sep 10 08:18:55 MDT 2013
That sounds very promising - I will give that a try. Thanks a
lot for the help.
On Tuesday, September 10, 2013 09:34:49 am Heroux, Mike wrote:
> Epetra_MpiComm can use a split comm. You would create the MPI
> split comm as normal and then create the Epetra_MpiComm
> object by passing in the split comm to the constructor.
> ML works with Belos and works with split communicators.
> On Sep 10, 2013, at 7:49 AM, "Eric Marttila"
<eric.marttila at thermoanalytics.com> wrote:
> > Splitting the communicator sounds promising - but it looks
> > like that can only be done with a Teuchos comm. Do you
> > know if splitting is possible with the Epetra_MpiComm that
> > I'm using? --Eric
> > On Tuesday, September 10, 2013 12:06:05 am C.S. Natarajan
> >> Can't you comm split and run it as an mpi job with a single
> >> rank in a new communicator?
> >> Doing a lot of comm splits might not be a good idea but a
> >> single one, I think , shouldn't be a problem?
> >> C.S.N
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