[ET Trac] [Einstein Toolkit] #1533: checkpoint cctk_delta_time in PUGH

Einstein Toolkit trac-noreply at einsteintoolkit.org
Wed Feb 5 15:29:58 CST 2014


#1533: checkpoint cctk_delta_time in PUGH
-----------------------------------+----------------------------------------
 Reporter:  rhaas                  |       Owner:                     
     Type:  defect                 |      Status:  new                
 Priority:  major                  |   Milestone:                     
Component:  EinsteinToolkit thorn  |     Version:  development version
 Keywords:  IOHDF5Util             |  
-----------------------------------+----------------------------------------
 the PUGH driver currently does not checkpoint the stepsize which makes
 using it with adaptive timestepping hard. Carpet on the other hand
 checkpoints the stepsize.

 The attached patch writes cckt_delta_time into checkpoints. When reading a
 checkpoint file that does not set the timestep, the user will see level 1
 warning that the attribute cctk_delta_time was not found but the code will
 not abort and will behave as it does right now otherwise (which is to use
 cctk_delta_time based on the values from parameters/set in basegrid).

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1533>
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