[ET Trac] [Einstein Toolkit] #1565: change default of IOUtil::out_save_parameters to true

Einstein Toolkit trac-noreply at einsteintoolkit.org
Tue Mar 25 13:40:55 CDT 2014

#1565: change default of IOUtil::out_save_parameters to true
  Reporter:  rhaas        |       Owner:                     
      Type:  enhancement  |      Status:  review             
  Priority:  optional     |   Milestone:                     
 Component:  Cactus       |     Version:  development version
Resolution:               |    Keywords:                     

Comment (by eschnett):

 Would this mean that all HDF5 output files always contain all parameter
 settings? Would this be useful?

 Would it suffice to store the parameters just once, to one file, at the
 beginning of the simulation, and then output deltas afterwards?

 Would it help to have some discipline (how to enforce this?) to ensure
 that these parameter descriptions are always saved when one saves or
 copies HDF5 files?

 Do you need other information in addition to the parameter values, maybe
 information not stored in parameters? Would it make sense to output these
 as well? As HDF5 files are flexible, we could add such information (e.g.
 performance data, memory consumption, ...)

Ticket URL: <https://trac.einsteintoolkit.org/ticket/1565#comment:2>
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