[Developers] Warn if grid structure changes upon recovery
schnetter at cct.lsu.edu
Thu Jun 3 13:56:40 CDT 2010
On Jun 2, 2010, at 16:36 , Erik Schnetter wrote:
> Thanks for the discussion in the chat; this was a good brainstorming
> session. The enclosed patch to CarpetIOHDF5 introduces two
> use_process_decomposition_from_checkpoint re-uses the stored process
> decomposition if possible, which should avoid having to read data
> from checkpoint files from other processes.
> warn_if_process_decomposition_differs_from_checkpoint compares the
> stored and the recreated grid structures, and warns if there is a
> The patch builds, but is untested otherwise. Consider it a
> suggestion that may help finding the cause of and/or a remedy for
> the slow recovery.
Here is an updated version of the patch that also handles the
regrid_in_level_mode case (which is the more important case).
Erik Schnetter <schnetter at cct.lsu.edu> http://www.cct.lsu.edu/~eschnett/
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