On Tue, Dec 7, 2010 at 21:20, Barry Smith <bsmith at mcs.anl.gov> wrote:
> How with the DMDA could you have a no copy and still allow nice 2 d and 3d > array access of ghost points? It seems to me with DMDA you would always need > a copy (or some crazy overloading of [])? > Indeed, you would need overloading which I'm not proposing. > Or do you mean in the DMDA case you get a copy but in the unstructured grid > case you get no copy, but the basic paradigm of "local form" is always used? > Yeah, I just want a uniform API. > In other words all parallel Vecs could have related local forms and the > model is "give me local form Vec", scatter to/from local form vec etc? > Yes. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20101207/23f94c48/attachment.html>
