[ET Trac] [Einstein Toolkit] #966: Carpet always calls POSTREGIRD on the finest level

[Einstein Toolkit]

#966: Carpet always calls POSTREGIRD on the finest level
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 Reporter:  rhaas        |       Owner:  eschnett
     Type:  enhancement  |      Status:  new     
 Priority:  minor        |   Milestone:          
Component:  Carpet       |     Version:          
 Keywords:               |  
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 While looking at #965 Christian Reisswig and I noticed that Carpet seems
 to call the routines on the finest level whenever any recompose happened.
 This is ok to ensure that global (also global-late) routines are called
 but also means that local routines are called. In cases where the finest
 level did not actually change (happens in core collapses we believe), this
 causes unnecessary calls to eg. MoL_PostStep with its attending SYNC
 calls. This might be candidate for optimization.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/966>
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