On Feb 6, 2012, at 3:55 PM, Jed Brown wrote: > On Mon, Feb 6, 2012 at 22:11, Barry Smith <bsmith at mcs.anl.gov> wrote: > On the other hand you could argue that ALL vector types should support > ghosting as a natural thing (with sequential vectors just have 0 length > ghosts conceptually) then it would be desirable to allow setting the ghost > information in any ordering. > > Just a comment: Ghost vectors are occasionally meaningful even for serial > vectors (if implementing boundary conditions with ghost cells, also coupling).
This is fine, currently one needs to use the MPI vector implementation to get this affect; I think it is natural this way and not also require VECSEQ to support this kind of ghosting. Barry