[ET Trac] [Einstein Toolkit] #487: SimFactory should allow steering of parameters between restarts

[Einstein Toolkit]

#487: SimFactory should allow steering of parameters between restarts
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 Reporter:  hinder       |       Owner:  eschnett
     Type:  enhancement  |      Status:  new     
 Priority:  major        |   Milestone:          
Component:  SimFactory   |     Version:          
 Keywords:               |  
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 sim create currently takes the --parfile option, and this parfile is used
 for every restart.  Cactus allows parameters to change upon recovery -
 this is called parameter steering.  SimFactory should allow this as well.

 The obvious implementation is to allow a --parfile option to "sim submit"
 which uses the new parameter file in this and all subsequent restarts.
 This needs some code to be moved from restart.create to restart.submit
 regarding parameter file substitutions.  We also need to decide what
 should happen to the copy of the parameter file stored in the top-level
 SIMFACTORY directory.  Should it remain the same, or should it be updated
 with the new parameter file.  Subsequent restarts should inherit the
 parameter file from the previous restart.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/487>
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