On Fri, Dec 6, 2019 at 5:46 AM Yann Jobic <yann.jo...@univ-amu.fr> wrote:
> I think i may have misunderstood this discussion : > > https://lists.mcs.anl.gov/mailman/htdig/petsc-users/2017-October/033620.html > That discussion is about the dimensionality of the problem rather than the number of dofs at a point. Regular grids suffer from the "curse of dimensionality". Thanks, Matt > best regards, > Yann > > Le 05/12/2019 à 17:23, Jed Brown a écrit : > > I don't understand the question. There has never been a limit to the > > number of dofs per grid point. Was the email thread referring to > > spatial dimension? > > > > Yann Jobic <yann.jo...@univ-amu.fr> writes: > > > >> Hello, > >> I read in the email archive (from 2016) that, at that time, the number > >> of synchronized dof (in MPI/ghost cells sense) is 3 or 4. > >> Is that still the case ? I would like to use PETSc for solving the > >> Boltzmann equation (via Discreet velocity method, which means a lot of > >> dof per node). > >> Is it the same for DMPlex ? > >> Thanks, > >> best regards, > >> Yann > > > -- > ___________________________ > > Yann JOBIC > HPC engineer > IUSTI-CNRS UMR 7343 - Polytech Marseille > Technopôle de Château Gombert > 5 rue Enrico Fermi > 13453 Marseille cedex 13 > Tel : (33) 4 91 10 69 43 > Fax : (33) 4 91 10 69 69 > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>