<div class="gmail_quote">On Fri, Aug 17, 2012 at 9:59 AM, John Fettig <span dir="ltr"><<a href="mailto:john.fettig@gmail.com" target="_blank">john.fettig@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div id=":ut">I'd be willing to live with the MatPtAP time, it is the<br>
MatTransposeMatMult time that is really poor. Any idea why the latter<br>
is so slow?</div></blockquote></div><br><div>Mark, for a symmetric graph, how about using MatMatMult() here? Even for a non-symmetric problem, MatMatTransposeMult() is faster than MatTransposeMatMult().</div>