On Sun, Nov 6, 2022 at 5:31 PM Alexander Lindsay <alexlindsay...@gmail.com> wrote:
> We sometimes overallocate our sparsity pattern. Matrix assembly will > squeeze out allocations that we never added into/set. Is there a convenient > way to determine the size of the densest row post-assembly? I know that we > could iterate over rows and call `MatGetRow` and figure it out that way. > But I'm wondering if there is a better way? > You could use https://petsc.org/main/docs/manualpages/Mat/MatGetRowIJ/ which gives all the row lengths at once. Thanks, Matt > Alex > -- 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/>
