On Thu, Mar 1, 2012 at 9:37 AM, Jed Brown <span dir="ltr"><<a href="mailto:jedbrown@mcs.anl.gov">jedbrown@mcs.anl.gov</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<p>snes_mf_operator has one MFFD (almost free), your assembled matrix, and the factored matrix created by the preconditioner.</p></blockquote><div><br></div><div>I see, so one of those is the MFFD which really isn't taking up much space. I suppose that's why going from 2->3 matrices ~doubled the memory.</div>
<div><br></div><div>So there's probably nothing wrong here... those matrices are needed and really do take up that much memory... damn ;-)</div><div><br></div><div>Derek </div></div>