*Corrected two bugs impacting .testing test cases #1129
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Corrected the velocities that are used in the call to set_viscous_ML with SPLIT=False and USE_RK2=True. This call had used the partially updated predictor velocities, which included other accelerations but not viscosity and which was missing a halo update, so it would not reproduce between symmetric and non-symmetric modes or across PE counts. This combination of parameters is not used in the MOM6-examples test suite, but it does change answers in some of the test cases in .testing. Also removed CORRECT_DENSITY=False from tc4/MOM_input, so that this test will not fail after this parameter is obsoleted. All answers and output in the MOM6-examples test suite are bitwise identical, but there are deliberate changes in the answers in the .testing test cases.
Codecov Report
@@ Coverage Diff @@
## dev/gfdl #1129 +/- ##
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Coverage 45.99% 45.99%
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Files 215 215
Lines 69577 69577
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Hits 32000 32000
Misses 37577 37577
Continue to review full report at Codecov.
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This failed regression test is deliberate. The previous solution would have failed symmetry testing if it had run longer. |
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Gaea regression test: https://gitlab.gfdl.noaa.gov/ogrp/MOM6/pipelines/10537 Regression has passed. |
marshallward
approved these changes
Jun 9, 2020
This was referenced Sep 18, 2020
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Corrected the velocities that are used in the call to set_viscous_ML with
SPLIT=False and USE_RK2=True. This call had used the partially updated
predictor velocities, which included other accelerations but not viscosity and
which was missing a halo update, so it would not reproduce between symmetric and
non-symmetric modes or across PE counts. This combination of parameters is not
used in the MOM6-examples test suite, but it does change answers in some of the
test cases in .testing. Also removed CORRECT_DENSITY=False from tc4/MOM_input,
so that this test will not fail after this parameter is obsoleted. All answers
and output in the MOM6-examples test suite are bitwise identical, but there are
deliberate changes in the answers in the .testing test cases.