[Users] Meeting minutes for 2023-02-23

[Bing-Jyun Tsao]

   - Present: Steve, Helvi, Peter, Leo, Cheng-Hsin, Keith, Roland, Yosef,
   Zach, Johnny
   - seminar proposal: Adam J. Peterson, "Code generation for AMReX with
   applications to numerical relativity", 2301.08354
   <https://arxiv.org/abs/2301.08354>, which uses AMReX for Z4c evolution
      - March 09th, recording available on seminar
      <https://www.einsteintoolkit.org/seminars/> page and youtube
   - Unanswered questions on mailing list
      - email
      <http://lists.einsteintoolkit.org/pipermail/users/2023-February/008847.html>
      from Roland: nobody used Anvil before
      - [SB] Another email regarding running on Rome powered supercomputer:
      [RH] Delta is powered by Rome, Steve or Roland will ask the user
to provide
      the files for compiling (optionlists, etc.) and send this email to the
      mailing list
      - New GRMHD library: take IllinoisGRMHD and NRPyEOS and make it into
      a library, [LW] No need to review NRPyEOS and NRPyLeakage, will need
      reviewers for other parts. Terrence will review particle code, Peter can
      review NPSolverSX (?), [HW] have reviewers and champions in contact
      - [RH] People who agree to test the cluster, Steven Brandt - deep
      bayou, Peter - sunrise, Roland - stampede2, expanse, Summit,
Frontera, [LW]
      add detail to the release
   - Open tickets
      - SummationByParts
      <https://bitbucket.org/einsteintoolkit/tickets/issues/2700/summationbyparts-does-not-ensure-unique>:
      [RH] prefix needs to be fix to not pollute namespace, fix name conflict
      when Fortran code add underscore at the end, warning: might
break something
      in Llama
      - Mac os Ventura
      <https://bitbucket.org/einsteintoolkit/tickets/issues/2699/etk-fails-on-mac-os-ventura>:
      [RH] duplicate from the mailing list, could be listed as solved
      - Compile on the M1 system
      <https://bitbucket.org/einsteintoolkit/tickets/issues/2682/updates-to-compile-et-on-macos-m1-systems>
      [RH] PAPI needs significant changes, HomeBrew changes the links
      - Slab fails
      <https://bitbucket.org/einsteintoolkit/tickets/issues/2683/slab-fails-to-compile-without-mpi>
      [RH] Slab claim to optionally use MPI and Kranc tutorial did without it,
      but it actually does use MPI so a pull request is made to fix this
      - Include NRPyLeakage
      <https://bitbucket.org/einsteintoolkit/tickets/issues/2689/include-nrpyleakage-in-next-et-release>
      [LW]: will be included for the next release
      - EHFinder parfile
      <https://bitbucket.org/einsteintoolkit/tickets/issues/2698/misner_22_80_3dpar-in-ehfinder-par-cannot>:
      [PD] will look into it
      - [YZ] Large ET jobs on Frontera, startup overwhelming the system,
      every MPI proc starts reading files. Proposed solution: at a checkpoint,
      only a group of MPI procs to open files, workaround by
staggering when the
      job starts, issue might also occur with CarpetX. [RH] Assign
token barrier
      to MPI. Roland can send the token to Yosef. Frontera should fix
their file
      system.
   - Next week:
   Chair: Zach
   Minute: Roland
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