[ET Trac] [Einstein Toolkit] #1143: Optimise calls to CCTK_VarDataPtr

[Einstein Toolkit]

#1143: Optimise calls to CCTK_VarDataPtr
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 Reporter:  eschnett     |       Owner:     
     Type:  enhancement  |      Status:  new
 Priority:  major        |   Milestone:     
Component:  Cactus       |     Version:     
 Keywords:               |  
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 Cactus calls CCTK_VarDataPtr each time DECLARE_CCTK_ARGUMENTS is executed
 for each grid function. This routine performs string looks and is thus
 unreasonably expensive.

 The attached patch remembers variable indices in static variables.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1143>
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