[petsc-users] AO

[Jed Brown]

On Wed, Feb 22, 2012 at 16:52, Mohammad Mirzadeh <mirzadeh at gmail.com> wrote:

> Should I be worried about function call overhead if make calls like
> AOXXXXToYYYY(ao, 1, &node) for each node when setting up the linear system?
> If so, is there an array where AO internally saves the mapping information
> that I can access or do I need to first save the mapping once and reuse it?


If you only need to do it once, the function call overhead should not be a
big deal. If you need to apply the mapping frequently, it's better to do it
in batches.
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