Allow reading walltime variables #289
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- The variables are slightly different in each processor - This causes issues with xarray concatenation. - Read proc 0 variables and discard the rest - (Wtime stats should be the nearly the same for all procs) - Also saves other variables which are part of _BOUT_PER_PROC_VARIABLES
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Hello @mikekryjak! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:
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The walltime variables are defined here:
https://github.com/boutproject/BOUT-dev/blob/3d6cb4b7da6605e2d39828f07ece36c8d3886bcd/include/bout/monitor.hxx#L80-L110
They are slightly different in each processor which causes issues with xarray concatenation. For this reason, wall time stats have been dropped from xBOUT at load time so far.
This PR changes this. We read the proc 0 variables and drop the rest. This should be representative of the whole domain as the wtime load should be near identical for each processor anyway.
To keep the change simple, this also keeps three more variables from
_BOUT_PER_PROC_VARIABLESwhich are not particularly useful (PE_XIND,PE_YINDandMYPE). Let me know if you think those should be removed.Progress: