[petsc-dev] Lower memory DMDA

[Jed Brown]

Matthew Knepley <knepley at gmail.com> writes:

> Well, the scatter operations are collective, so making creation lazy here
> seems fine.
> I have no problem forcing a setup of local-to-global since I do not think
> many people
> use it directly.

It gets added to any Mat or Vec that gets created.  Any code that uses
VecSetValuesLocal() or MatSetValuesStencil() would fail without it.