[petsc-users] VecGhostGetLocalForm overhead?

Matthew Knepley knepley at gmail.com
Tue Apr 29 09:03:07 CDT 2014


On Tue, Apr 29, 2014 at 8:57 AM, Garth N. Wells <gnw20 at cam.ac.uk> wrote:

> I’m using VecGhostGetLocalForm to test whether or not a vector has ghost
> values. Is there any overhead associated with calling VecGhostGetLocalForm
> that I should be concerned about?


No, its just checks vector state (no communication or expensive operations).

  Thanks,

    Matt


>
> Garth


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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