[ET Trac] [Einstein Toolkit] #1445: add tags to disallow splitting in directions

[Einstein Toolkit]

#1445: add tags to disallow splitting in directions
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 Reporter:  rhaas        |       Owner:  eschnett           
     Type:  enhancement  |      Status:  new                
 Priority:  minor        |   Milestone:                     
Component:  Carpet       |     Version:  development version
 Keywords:               |  
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 the attached patch adds a new tag "no_split_directions" which can be used
 to prevent a grid array to be split in the given directions when processor
 decompositions is done. I currently explicitly forbid this tag to be used
 in grid functions since all grid functions share the same processor
 decomposition so using this tag on a per-function basis is impossible.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1445>
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