WeeklyTelcon_20230502

Open MPI Weekly Telecon ---

• Dialup Info: (Do not post to public mailing list or public wiki)

Attendees (on Web-ex)

• Geoff Paulsen (IBM)
• Jeff Squyres (Cisco)
• Austen Lauria (IBM)
• Brian Barrett (Amazon)
• Edgar Gabriel (AMD)
• Luke Robison (Amazon)
• Thomas Naughton (ORNL)
• Todd Kordenbrock (Sandia)
• Tommy Janjusic (nVidia)

v4.1

• No new updates

v5.0

• MAC Params issues are biggest issues now
  • https://github.com/openmpi/ompi/issues/11532
  • https://github.com/openpmix/prrte/issues/1731
  • Just want 2 of the 3 fixes for v5.0.0, 3rd issue can wait for 5.0.x
• Need to cherry-pick NIC selection to v5.0.x
• Might be in PMIx base / framework
  • https://github.com/open-mpi/ompi/wiki/WeeklyTelcon_20230425#pmix-mca-parameter-issues
  • Ralph volunteered to help, but might take a month
  • Luke will check with Ralph
• Doc work still remaining, will enumerate next week any remaining issues
• 2 MTT issues:
  • UCX and DSO - may be a fix needed to be cherry-picked back to v5.0.x
  • Tommy will look at these two issues, they do look legitimate
• Good to retest ABI with v4.1.x before v5.0.0
  • Geoff will do this or next week
• Cuda Accelerator to disqualify itself if no Cuda HW available.
  • Want this for v5.0
  • Edgar's PR is still trying to compile Cuda collective always (PR 11617)
  • Summary, we want both