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reduce memory required by MERRA2 data #410

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DeniseWorthen
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@DeniseWorthen DeniseWorthen commented Oct 11, 2021

Description

Updates ccpp/physics with to reduce memory required by ingested MERRA2 data. This allows the coupled model at C384 mx025 resolution to run on Cheyenne.intel with the default resources. Answers in the P7 regression tests are B4B with this change if the diag_table in the current tests is not changed.

Issue(s) addressed

  • fixes ufs-weather-model issue #698

Testing

See ufs-weather-model PR #866 for testing.

Baselines change for ufs-weather-model only because of update to the diag_table used by the P7 coupled and standalone tests.

Bot the cpld_control_c384_p7 and cpld_bmark_p7 tests run successfully on Cheyenne.intel with this change.

Dependencies

  • NCAR/ccpp #757
  • Required for ufs-weather-model PR #866

DeniseWorthen and others added 30 commits November 18, 2019 11:11
The HAFS related developments for the write_grid_component (#10)
change ifmin to zero at fh00 for inline POST (#14)
Update EMC dev/emc from NCAR dtc/develop 2019/12/17 (NOAA-EMC#30)
GFSv16 netcdf post ficein cpl (NOAA-EMC#48)
Regain bit-for-bit identical results between IPD and CCPP for coupled…
Merge NCAR:dtc/develop into develop 2020/04/14 (NOAA-EMC#98)
@junwang-noaa
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junwang-noaa commented Oct 12, 2021

@DeniseWorthen Thanks for making the code changes. Can you check how much memory are reduced by this change?

@DeniseWorthen
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@junwang-noaa I can't really find an obvious signal in the memory usage if I turn on the profile_memory option for the coupled c384 test

@AnningCheng-NOAA
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AnningCheng-NOAA commented Oct 13, 2021 via email

junwang-noaa pushed a commit that referenced this pull request Oct 29, 2021
…410) (#398)

* Remove Noah WRFv4 and all variables required only by this scheme; remove suite FV3_HAFS_v0_hwrf
* Reduce memory required by MERRA2 data

Co-authored-by: Denise Worthen <denise.worthen@noaa.gov>
@climbfuji
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Merged as part of #398, close?

@DeniseWorthen
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Closed. Code was merged as part of #398

@DeniseWorthen DeniseWorthen deleted the feature/aero4 branch June 22, 2023 18:44
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4 participants