[petsc-dev] asm / gasm

Mark Adams mfadams at lbl.gov
Sun Jul 3 11:45:07 CDT 2016

> PetscErrorCode  PCASMSetLocalSubdomains(PC pc,PetscInt n,IS is[],IS is_local[])
> "is" is the overlapping subdomain, and "is_local" is the subdomain without
> overlap.
So if I have some overlapping subdomains (I don't) I would have to prune
the IS to get some non-overlapping subdomain?  Is this just for something
internal or does it affect the semantics of the solver?  And I assume I can
still set the overlap and ASM will grow my subdomains accordingly?
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