<div class="gmail_quote">On Sat, May 14, 2011 at 22:21, Barry Smith <span dir="ltr"><<a href="mailto:bsmith@mcs.anl.gov">bsmith@mcs.anl.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
The user will be composing preconditioners on splits etc using the string name (you cannot type an IS at the command line but you can type "pressure") so I am not sure why you are so focused on "the IS _is_ the thing you need". So I can see the string names as being important.</blockquote>
</div><br><div>I assumed fieldsplit would use the string name and then hold onto the IS (there is a good chance it is needed internally anyway). I don't see why the string name would be needed in a performance-sensitive place since it's only for "configuration" anyway.</div>