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@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@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

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

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