[Users] CarpetRegrid2 Warnings

[Erik Schnetter]

Gwyneth

If Carpet cannot create a self-consistent grid hierarchy, then it will
abort.

-erik

On Tue, Feb 21, 2017 at 12:50 AM, Gwyneth Allwright <allgwy001 at myuct.ac.za>
wrote:

> Thank you Erik! That's good news.
>
> What happens if Carpet doesn't manage to enforce the properties after ten
> rounds? Does the simulation abort, or is a different kind of warning
> produced?
>
> Gwyneth
>
>
> On Tue, Feb 21, 2017 at 12:04 AM, Erik Schnetter <schnetter at cct.lsu.edu>
> wrote:
>
>> Gwyneth
>>
>> A refinement hierarchy needs to fulfil certain properties. These are
>> enforced in a round-robin manner until a fixed point is reached. Carpet
>> attempts to do so ten times, then gives up assuming there is an internal
>> inconsistency. The message that a second round is necessary is harmless.
>> This should not be a warning -- this should instead be an informational
>> message only.
>>
>> -erik
>>
>>
>> On Mon, Feb 20, 2017 at 3:36 PM, Gwyneth Allwright <allgwy001 at myuct.ac.za
>> > wrote:
>>
>>> Hi All,
>>>
>>> My BBH simulation produces warnings that look like this:
>>>
>>> WARNING level 1 from host srvslshpc605.uct.ac.za process 8
>>>   while executing schedule bin (none), routine (no thorn)::(no routine)
>>>   in thorn CarpetRegrid2, file /opt/exp_soft/EinsteinToolkit/
>>> Cactus/configs/ET/build/CarpetRegrid2/regrid.cc:389:
>>>   -> Could not enforce grid structure properties in this round, starting
>>> another round
>>>
>>> Could anyone tell me what this means and how to fix it?
>>>
>>> Thanks,
>>>
>>> Gwyneth
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at einsteintoolkit.org
>>> http://lists.einsteintoolkit.org/mailman/listinfo/users
>>>
>>>
>>
>>
>> --
>> Erik Schnetter <schnetter at cct.lsu.edu>
>> http://www.perimeterinstitute.ca/personal/eschnetter/
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>
>


-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/
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