You need to create the MPIAdj matrix with PETSC_COMM_SELF not COMM_WORLD
Barry On Oct 22, 2011, at 8:45 AM, Dominik Szczerba wrote: > I do not seem to find any guidance on this subject in the docu. > I built petsc with chaco and party to attempt sequential partitioning, > where parmetis fails. > However, I get the error: > > [0]PETSC ERROR: No support for this operation for this object type! > [0]PETSC ERROR: Distributed matrix format MPIAdj is not supported for > sequential partitioners! > > > I do not seem to find a sequential equivalent of MatCreateMPIAdj... > Are there any examples how to perform partitioning sequentially? > My mesh/graph is located entirely on master. > > Thanks a lot, > Dominik
