<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Fri, Jan 16, 2015 at 2:36 PM, Zou (Non-US), Ling <span dir="ltr"><<a href="mailto:ling.zou@inl.gov" target="_blank">ling.zou@inl.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">Hi All,<div><br></div><div>I found many available options for PCILU on this webpage:</div><div><br></div><div><a href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PC/PCILU.html" target="_blank">http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PC/PCILU.html</a><br></div><div><br></div><div>There is an option named -pc_factor_mat_ordering_type, with possible values such as <natural,nd,1wd,rcm,qmd>. I wonder if anyone has brief descriptions for these values.</div></div></blockquote><div><br></div><div>Here are the names: <a href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/MatOrderings/MatGetOrdering.html">http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/MatOrderings/MatGetOrdering.html</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-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div>Best,</div><div><br></div><div>Ling</div></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature">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></div>