[ET Trac] [Einstein Toolkit] #1499: Error in synchronisation after restriction

Einstein Toolkit trac-noreply at einsteintoolkit.org
Fri Dec 6 10:14:30 CST 2013

#1499: Error in synchronisation after restriction
  Reporter:  hinder  |       Owner:  eschnett           
      Type:  defect  |      Status:  closed             
  Priority:  major   |   Milestone:  ET_2014_05         
 Component:  Carpet  |     Version:  development version
Resolution:  fixed   |    Keywords:                     

Comment (by hinder):

 Do those tests have 3 refinement levels? I wasn't able to reproduce the
 problem with 2.  Since we are now syncing when using higher order
 restriction, whereas before we weren't, ideally the existing tests should
 now be failing as the data is different (and correct).  This suggests the
 original tests didn't trigger this problem (e.g. only 2 levels) or the
 output didn't catch the problem region (the finest grid region of the
 coarse grid, in a 3-level simulation).  It would be good to modify the
 test I just added (test_restrict_sync) to use higher order restriction,
 and check that it fails before these fixes and passes afterwards. Do you
 want to do that?

Ticket URL: <https://trac.einsteintoolkit.org/ticket/1499#comment:5>
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