[ET Trac] [Einstein Toolkit] #1341: Add a group of grid scalars for memory usage statistics

[Einstein Toolkit]

#1341: Add a group of grid scalars for memory usage statistics
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 Reporter:  hinder       |       Owner:  eschnett
     Type:  enhancement  |      Status:  new     
 Priority:  minor        |   Milestone:          
Component:  Carpet       |     Version:          
 Keywords:               |  
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 Carpet has a group of grid scalars for timing information.  It would be
 useful to have a similar group for memory usage and grid size statistics.
 For example, I would very much like to be able to output the total number
 of grid points in the simulation, to see if a memory usage increase was
 related to the total number of grid points increasing, or to something
 else.

 It might also be useful to have this information available per process, so
 that the usual reductions could be applied on output.  This would give a
 measure of memory imbalance.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1341>
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