MultiXscale WP1+WP5 sync meetings

• Monthly, every 2nd Tuesday of the month at 10:00 CE(S)T
• Notes of previous meetings at https://github.com/multixscale/meetings/wiki

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Agenda/notes 2023-06-13

attending: Kenneth + Lara (HPC-UGent), Elisabeth + Killian (HPCNow!), Caspar + Satish (SURF), Neja + Matej (NIC), Thomas (UiB)

• questions from project officer

  • "Please also let me know with a short message if your project is on track to deliver the CI/CD platform and deploy the codes on the JU systems."
    • question is related to the responsibilites being imposed on us by CASTIEL2
    • yes for deploying, since we have EESSI on Vega
    • also working on workshop to make deployment of CVMFS on EuroHPC systems

• Matej + Sara will be attending PASC conference in Davos in 2 weeks

• overview of MultiXscale planning

  • https://github.com/orgs/multixscale/projects/1/views/1

• MultiXscale landing page @ https://github.com/multixscale/hub

  • Overleaf link?

• WP status updates

  • [SURF] WP1 Developing a Central Platform for Scientific Software on Emerging Exascale Technologies
    • [UGent] T1.1 Stable (EESSI) - due M12+M24
      • initial list of software (issue #4)
        • LAMMPS + walBerla are important for various use cases (bio + mat science) in MultiXscale
        • GROMACS is relevant for BioExcel, QuantumESPRESSO for MaX (also yambo)
      • next EESSI pilot version (2023.06) (issue #92)
        • 2023.04 compat layer is in place, but abandonded (issue #93)
          • OpenSSL 3.x in 2023.04 proved too problematic (for Python, Rust, etc.)
        • 2023.06 compat layer (issue #91)
          • using OpenSSL 1.1.1 (still maintained - until Sept'23)
          • may need to update GCC in compat layer to 10.x to avoid problem that only appears with GCC 9
          • another attempt to let bot build & deploy new compat layer
      • update on physical Stratum-0 @ RUG (issue #12)
      • progress on GPU support (issue #1)
        • feedback from NVIDIA on including some parts of CUDA into EESSI
        • considering something of a redesign of the approach based on how it is done for apptainer, and the fact that we control the linker used (so ldconfig is under our control).
    • [RUG] T1.2 Extending support (starts M9, due M30)
      • (effort has not started yet)
    • [SURF] T1.3 Test suite - due M12+M24
      • packaging of EESSI test suite (issue #95)
      • CI for testing the test suite (dry run)
      • improved docs for test suite
      • additional tests for TensorFlow (issue #56)
      • low-level test: OSU Microbenchmarks (isuse #30)
      • next tests to look into should be Espresso, LAMMPS, walBerla, ...
        • can look into ReFrame tests of other HPC sites
      • meeting notes
        • https://github.com/EESSI/meetings/wiki/Sync-meeting-on-EESSI-test-suite-(2023-05-17)
        • https://github.com/EESSI/meetings/wiki/Sync-meeting-on-EESSI-test-suite-(2023-05-31)
    • [BSC] T1.4 RISC-V (starts M13)
      • (effort has not started yet)
    • [SURF] T1.5 Consolidation (starts M25)
      • (effort has not started yet)
  • [UGent] WP5 Building, Supporting and Maintaining a Central Shared Stack of Optimized Scientific Software Installations
    • [UGent] T5.1 Support portal - due M12
      • compare alternatives (issue #25)
        • initial comparison done
        • proceeding with more detailed evaluation of only GitLab now
      • meeting notes: 2023-05-25 + 2023-06-02
    • [SURF] T5.2 Monitoring/testing (starts M9)
      • (effort has not started yet)
    • [UiB] T5.3 community contributions (bot) - due M12
      • working towards MVP of bot (issue #42)
        • support for sending instructions to bot to only (re)build for specific targets is implemented (PR #172)
        • another aspect is improving ingestion procedure to avoid trouble
          • https://github.com/EESSI/filesystem-layer/issues/150
        • configure bot in AWS (issue #45)
        • TODO
          • documentation on workflow for using bot
          • hands-on experience with bot by more people (in scope of EESSI pilot 2023.06)
          • integrate test suite (issue #23)
          • tutorial on using bot (issue #50)
      • notes of bot sync meetings available here
    • [UGent] T5.4 support/maintenance (starts M13)
      • (effort has not started yet)
  • [UB] WP6 Community outreach, education, and training
    • initial meeting with CVMFS developers on "Best Practices for CVMFS on HPC" (issue #51)
      • notes here
      • https://github.com/multixscale/cvmfs-tutorial-hpc-best-practices
  • [HPCNow] WP7 Dissemination, Exploitation & Communication
    • ...

• other stuff

  • ISC'23
    • promotion at EuroHPC + Azure booth by Elisabeth (HPCNow!)
  • CASTIEL2
    • access to Vega available for testing EESSI in scope of CI for EuroHPC CoEs
    • developer access to Meluxina granted (work in progress)

• Action item:

  • Send out doodle for meeting on how to use the bot so we can start building 2023.06 even when Kenneth & Thomas are gone
    • Invited should be: Kenneth, Lara, Thomas, Richard, Caspar, Satish, Maksim, Xin, Alan, Bob
      • required: Kenneth, Thomas, Bob

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Notes of previous meetings

• https://github.com/multixscale/meetings/wiki/Sync-meeting-2023-05-09
• https://github.com/multixscale/meetings/wiki/Sync-meeting-2023-04-11
• https://github.com/multixscale/meetings/wiki/Sync-meeting-2023-03-14
• https://github.com/multixscale/meetings/wiki/Sync-meeting-2023-02-14
• https://github.com/multixscale/meetings/wiki/sync-meeting-2023-01-10