dolfin team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

Johan Hoffman wrote:
> Hi all,
>
> Connected to this discussion is also the msc thesis work on dolfin
> parallization of Nicklas Jansson at KTH. He has now started working on
> this based on the updated TODO list of dolfin. He has tried to send an
> email to this list (dolfin-dev@xxxxxxxxxx) but it appears that it is stuck
> in a filter awaiting moderator approval. 

If he joins the list, he'll be able to make posts.

Maybe someone (a moderator) could
> help out so that we can get past this, to better coordinate
> parallelization efforts?

One point on the TODO list: we discussed some time ago the mesh 
partitioning, and decided against ParMETIS or METIS because they do not 
use a GPL (compatible) license. Magnus has implemented a nice 
partitioning interface which uses SOCTCH which does have a GPL 
compatible license.

Garth

> Thanks!
>
> /Johan
>
>
> > Anders Logg wrote:
> > > On Sat, Dec 01, 2007 at 05:02:13PM +0000, Garth N. Wells wrote:
> > > > Looks like you forgot to add MPIManager to the repository.
> > > >
> > > > Do we want a class MPIManager, or should we let PETSc take of this? If
> > > > we
> > > > create an MPI object ourselves, it will probably clash with PETSc.
> > > We need it if we sometimes want to use MPI without PETSc (which is not
> > > unlikely even if PETSc is the default).
> > >
> > > MPIManager works like PETScManager and takes care of the global
> > > initialization at startup:
> > >
> > >   MPIManager::init();
> > >
> > > and also calls finalize() automatically when the program exits. It
> > > talks to MPI to see if it has already been initialized (by PETSc,
> > > itself or someone else) and does nothing if that is the case.
> > OK.
> >
> > Garth
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