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CCPP Framework Meeting Minutes 2025 08 07

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Courtney Peverley edited this page Aug 7, 2025 · 4 revisions

Agenda

Attendees: Michael Kavulich, Dustin Swales, Cheryl Craig, Jesse Nusbaumer, Courtney Peverley, Jordan Powers, RhaeSung Kim, Michael Waxmonsky, Soren Rasmussen, Dom Heinzeller

GitHub issues, PRs, discussions

Drafts/On Hold

New items for discussion

Updates from last time

Previous notes

Other business

Meeting notes

  • Allow output allocatable variables without specific dimensions (#667)
    • Init phase only
    • Dom & Dustin: can grab dimensions in register phase & allocate in the init phase
    • Maybe we remove the “allocatable” attribute?
      • Michael K pinged Steve
  • Updates to main
    • Dustin ran into a answer difference with the RRTMGP test
      • Host-side changes in UFS causing the issues
    • Dom - try using GFS debug scheme
    • Courtney - maybe try diffing the caps between the new host & old host
    • Dom - try in debug mode?
      • Dustin - no RRTMGP debug test by default, can try
    • Once #669 is merged, can merge the develop -> main PR
    • cmake environment variables discussion
      • Dom votes for not changing it (especially in this PR)
      • Michael W - concern about name conflicts
        • Will open an issue if he desires
  • DRAFT: feature/standard name checker (#672)
    • Maybe it should go in the standard names repo?
      • Tool already exists!
      • Only on main branch
    • SIMA currently using it to check standard names manually
    • Maybe host models have their own host dictionary in the future?
    • Can do incremental clean-up - scheme by scheme
    • Unification of standard names is a longer term goal, unfortunately
    • Michael to close PR

Backlog issues

  • Framework must enable automatic array transformations (#348)
    • Dustin - we’ve implemented at least part of this with the transforms code
    • Handled by interstitials so this feels like something that’s desired but not exactly critical?
    • Dom - a big plus for GPU support
      • Can use existing transform framework
      • Can at least test this to see if it already works
    • Add “species_name” metadata property? (#351)
      • Dom - as long as the standard name rules are good, standardized, and enforced, we should be ok
      • Opting to not implement

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