This is great. Thanks Matt! On Sun, Nov 6, 2022 at 2:35 PM Matthew Knepley <[email protected]> wrote:
> On Sun, Nov 6, 2022 at 5:31 PM Alexander Lindsay <[email protected]> > 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/> >
