Ensure correct interpretation of read frequency for files defined in iodef.xml #171
Description
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#170 - PR to fix climate run performance pre 3.0
Brief description
After the PR which fixes the egregious performance issues from lfric_core #4576 (SRS) there is no handling for files which have been set up via an iodef.xml files, rather than through the lfric_xios API. This issue will make sure these cases are handled correctly and add integration tests to cover the new functionality.
Further details of the issue.
The code in question is located in lfric_xios_file_mod.f90:
if (.not. self%freq_ts == undef_freq) then
self%frequency = self%freq_ts * timestep_duration
call xios_set_attr( self%handle, output_freq=self%frequency )
end if
The case where self%freq_ts is not set needs to be handled correctly, preferably with a call to xios_get_attr to get the correct value, if possible.
Integration tests also need to be added to test these cases.