<div dir="ltr">On Wed, Apr 17, 2013 at 9:30 AM, Alexei Matveev <span dir="ltr"><<a href="mailto:alexei.matveev@gmail.com" target="_blank">alexei.matveev@gmail.com</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>Hi, Everyone,<br><br>I just upgraded a cluster box to Debian Wheezy that comes with PETSC 3.2<br>and noted quite a few changes in the interface related to the DM/DA/DMDA.<br>
</blockquote><div><br></div><div style>DMDA is the renamed DA.</div><div style><br></div><div style>DM is a superinterface that always existed, but had not done much. The DM is</div><div style>intended to provide more structure to data than the simple linear space of Vec,</div>
<div style>e.g. structured grid (DMDA), unstructured grid (DMPlex), problem composition</div><div style>(DMComposite), etc.</div><div style><br></div><div style> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I am still somewhat confused about the distinction of the three.<br>
<br>My question is --- does anyone have experience maintaining a common<br>application source for 3.2 (e.g. Wheezy) and, say, 3.1 (e.g. Ubuntu 12.04)?<br><br>So far I was able to do so for 2.3 (Lenny) and 3.1. However the changes<br>
in 3.2 seem to be quite significant so that I decided to first ask for your<br>experience and advice.<br><br>Do you maybe have any tips or pointers on how to maintain such a<br>compatibility?<span class="HOEnZb"><font color="#888888"><br>
<br>Alexei<br>
</font></span></blockquote></div><br><br clear="all"><div><br></div>-- <br>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
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