<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div> I don't think they are super important.<div class=""><br class=""></div><div class=""> Barry</div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Aug 30, 2020, at 5:44 PM, Fande Kong <<a href="mailto:fdkong.jd@gmail.com" class="">fdkong.jd@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div dir="ltr" class="">I agreed, Barry.<div class=""><br class=""></div><div class=""><div class="">A year ago, I enabled edge-weights and vertex weights for only ParMETIS and PTScotch. I did not do the same thing for Chaco, Party, etc.</div><div class=""><br class=""></div><div class="">It is straightforward to do that, and I could add an MR if needed.</div></div><div class=""></div><div class=""><br class=""></div><div class="">Thanks,</div><div class=""><br class=""></div><div class="">Fande,</div></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Aug 30, 2020 at 4:20 PM Barry Smith <<a href="mailto:bsmith@petsc.dev" class="">bsmith@petsc.dev</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space" class=""><div dir="auto" style="word-wrap:break-word;line-break:after-white-space" class=""><br class=""><div class=""><br class=""><blockquote type="cite" class=""><div class="">On Aug 30, 2020, at 7:33 AM, Mark Adams <<a href="mailto:mfadams@lbl.gov" target="_blank" class="">mfadams@lbl.gov</a>> wrote:</div><br class=""><div class=""><div dir="ltr" class=""><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr" class=""><div class=""><br class=""><br class=""></div><div class=""><br class=""></div><div class="">So, if ParMETIS gives different edge cut as it is expected, MatPartitioningGetUseEdgeWeights and MatPartitioningSetUseEdgeWeights works correctly. Why can't CHACO?</div></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><br class=""></blockquote></div></blockquote><div class=""><br class=""></div><div class="">Chaco does not support using edge weights.</div></div></div></div></blockquote><div class=""><br class=""></div> The package interfaces that do not support edge weights should error if one requests partitioning with edge weights. Not everyone is born with the innate knowledge that the Chaco PETSc interface doesn't support edge weights.</div><div class=""><br class=""></div><div class=""><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="gmail_quote"><div class=""> </div></div></div>
</div></blockquote></div><a href="https://gitlab.com/petsc/petsc/-/merge_requests/3119" target="_blank" class="">https://gitlab.com/petsc/petsc/-/merge_requests/3119</a></div></div></blockquote></div>
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