[petsc-users] AO

Mohammad Mirzadeh mirzadeh at gmail.com
Wed Feb 22 18:43:24 CST 2012


Thanks Jed.

On Wed, Feb 22, 2012 at 2:59 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> 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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