Hello, SparsityPattern is used for deal.II own matrices which do not support MPI. As far as I can tell, SparsityPattern does not use multithreading and I don't think adding elements is threadsafe. So you are right.
Best, Bruno On Tuesday, March 12, 2024 at 12:58:37 PM UTC-4 krysl...@gmail.com wrote: > It would appear that the sparsity pattern is not (and cannot be) computed > in parallel. That is my reading of the code. Am I wrong? -- 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 dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/c6f53567-0143-4bbc-a487-a763e7cc3b89n%40googlegroups.com.
