<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hello again,<div><br></div><div>I am using v3.1 of PETSc.</div><div><br></div><div>I changed the grid sizes slightly and I'm including 4 log_summary files.</div><div><br></div><div>The times are shown below. I have not modified the example at all except in specifying the matrix size. Could it be that I need much larger? When I tried much larger matrices I think I might have got an error because I was using too much memory.</div><div><br></div><div>n <span class="Apple-tab-span" style="white-space:pre"> </span>time</div><div>2<span class="Apple-tab-span" style="white-space:pre"> </span>22s</div><div>4<span class="Apple-tab-span" style="white-space:pre"> </span>29.8s</div><div>8<span class="Apple-tab-span" style="white-space:pre"> </span>33.7s</div><div>16<span class="Apple-tab-span" style="white-space:pre"> </span>28.3s</div><div><br></div><div>Sorry for my first email but I hope this has more information.</div><div><br></div><div>Cheers, Francis</div><div><br></div><div><br></div><div><blockquote type="cite"></blockquote></div></body></html>