[petsc-users] restricted DMDAGlobaltoLocal

[Jed Brown]

On Mon, Nov 21, 2011 at 04:52, Hui Zhang <buyong.huier at gmail.com> wrote:

> When using DMDAGlobaltoLocal, how can I communicate only the boundary of
> the
> ghosted domain (with stecil width larger than one)?
>

Only the ghost values are communicated. The interior is all local.
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