<div dir="ltr"><div dir="ltr">On Tue, Aug 2, 2022 at 4:00 PM Nicholas Arnold-Medabalimi <<a href="mailto:narnoldm@umich.edu">narnoldm@umich.edu</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi<br><br>Currently, in my distributed DMPlex object, every so often, I want to look at total cell counts. To do this in my current implementation, I get the cell stratum from the DMplex and search through the PetscSF to remove any overlapped (not owned) cells and then reduce over all the ranks to get the total cell count. Is there a more graceful way of doing this already built into DM? <br></div></blockquote><div><br></div><div>If all you want is the global cell count, this is probably the easiest way. If you want a global numbering, you can use</div><div><br></div><div> <a href="https://petsc.org/main/docs/manualpages/DMPLEX/DMPlexGetCellNumbering/">https://petsc.org/main/docs/manualpages/DMPLEX/DMPlexGetCellNumbering/</a></div><div><br></div><div> Thanks,</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Sincerely<br>Nicholas<br clear="all"><div><br></div>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div style="font-family:arial;font-size:small"><font color="#000000">Nicholas Arnold-Medabalimi<br><br></font><span style="font-family:sans-serif;font-size:14px">Ph.D. Candidate</span><font color="#000000"><br>Computational Aeroscience Lab<br>University of Michigan</font></div></div></div></div></div></div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener</div><div><br></div><div><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div></div></div></div>