On Sat, May 14, 2011 at 22:21, Barry Smith <bsmith at mcs.anl.gov> wrote:
> 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. 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. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20110514/673bcfc9/attachment.html>
