Thank you Derek, This is really helpful.
Ata > On Jan 11, 2017, at 6:15 PM, Derek Gaston <[email protected]> wrote: > > splitter also has the ability to do M->N parittioning. What this means is > that splitter itself can be run using MPI... and can generate partitions for > any number of processors. In fact, you can give it a list of n_procs you > want it partition for and it will do all of them simultaneously. > > If you have one handy I highly recommend running splitter on a cluster that > has a good parallel filesystem. > > BTW: I've used splitter to split huge multi GB Exodus files up into ~20,000 > or so partitions and it's been pretty solid. > > Derek > > On Wed, Jan 11, 2017 at 4:18 PM gmail <[email protected] > <mailto:[email protected]>> wrote: > Perfect. I will give it a try. > > Ata > > On Jan 11, 2017, at 4:14 PM, John Peterson <[email protected] > > <mailto:[email protected]>> wrote: > > > > > > > > On Wed, Jan 11, 2017 at 2:04 PM, gmail <[email protected] > > <mailto:[email protected]> <mailto:[email protected] > > <mailto:[email protected]>>> wrote: > > Hi John, > > > > This is the first time I see this. So I’m not sure what this .cpr format is? > > > > It's the CheckpointIO format. It can write either binary or ASCII files > > and is similar to the xdr/a format that libmesh uses to write meshes in > > serial. Only thing it can't really do is restart from N files on M procs, > > but that shouldn't affect your use case. > > > > > > Can each processor read its own chunk using with mesh.read when libMesh is > > compiled with parallel mesh? > > > > > > Yes, that's how it should work. You can use one of the Partitioner classes > > that comes with libmesh, or partition the mesh yourself in some > > application-specific way. > > > > -- > > John > > ------------------------------------------------------------------------------ > Developer Access Program for Intel Xeon Phi Processors > Access to Intel Xeon Phi processor-based developer platforms. > With one year of Intel Parallel Studio XE. > Training and support from Colfax. > Order your platform today. http://sdm.link/xeonphi <http://sdm.link/xeonphi> > _______________________________________________ > Libmesh-users mailing list > [email protected] > <mailto:[email protected]> > https://lists.sourceforge.net/lists/listinfo/libmesh-users > <https://lists.sourceforge.net/lists/listinfo/libmesh-users> ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today. http://sdm.link/xeonphi _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
