Marek, Take a look here https://github.com/dealii/dealii/issues/5407 and here https://github.com/dealii/dealii/pull/5475#commitcomment-25928779 I think this is similar to what you are trying to do. Note that you need the development version of deal.II
Best, Bruno On Wednesday, January 10, 2018 at 5:37:44 PM UTC-5, Marek Čapek wrote: > > Hello, > i have a little bit vague question: > I have a computational domain with clearly > discernible inflow. I use parallel::distributed::Triangulation > I would like to use CuthilMcKee renumbering in order > to get some performance boot for preconditioner+solver. > I am able to define *starting_indices* > > In > > https://www.dealii.org/8.4.0/doxygen/deal.II/namespaceDoFRenumbering.html#ab938a690bf4e2adff191fe969b0f21d3 > > it is said, that the renumbering occurs on each processor individually. > > Can I still get the gradient boost from the renumbering? > Are there other strategies how to get improvement of linear solver > convergence using Dofs renumbering in the distributed case? > > Thanks > > Marek C > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
