WeeklyTelcon_20220503

Open MPI Weekly Telecon ---

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

Attendees (on Web-ex)

• Austen Lauria (IBM)
• Brendan Cunningham (Cornelis Networks)
• Geoffrey Paulsen (IBM)
• Hessam Mirsadeghi (UCX/nVidia)
• Jeff Squyres (Cisco)
• Josh Fisher (Cornelis Networks)
• Josh Hursey (IBM)
• Todd Kordenbrock (Sandia)
• Tommy Janjusic (nVidia)
• William Zhang (AWS)

not there today (I keep this for easy cut-n-paste for future notes)

• Akshay Venkatesh (NVIDIA)
• Artem Polyakov (nVidia)
• Aurelien Bouteiller (UTK)
• Brandon Yates (Intel)
• Brian Barrett (AWS)
• Charles Shereda (LLNL)
• Christoph Niethammer (HLRS)
• David Bernhold (ORNL)
• Edgar Gabriel (UoH)
• Erik Zeiske
• Geoffroy Vallee (ARM)
• George Bosilca (UTK)
• Harumi Kuno (HPE)
• Howard Pritchard (LANL)
• Joseph Schuchart
• Joshua Ladd (nVidia)
• Marisa Roman (Cornelius)
• Mark Allen (IBM)
• Matias Cabral (Intel)
• Matthew Dosanjh (Sandia)
• Michael Heinz (Cornelis Networks)
• Nathan Hjelm (Google)
• Noah Evans (Sandia)
• Raghu Raja (AWS)
• Ralph Castain (Intel)
• Sam Gutierrez (LLNL)
• Scott Breyer (Sandia?)
• Shintaro iwasaki
• Thomas Naughton (ORNL)
• Xin Zhao (nVidia)

---

v4.1.x

• 4.1.4
  • Brian tagged an rc last week. MTT looks good. Will see about releasing next.

v5.0.x

• Schedule: Next RC early next week.
• mpirun Refactor PR #10338 got in.
  • But still an issue with --prefix
• Posted opal_prefix_agrigate fix to agregate show_help messages.
  • Hope to get this in by end of the week.
• Blocker issues
  • Issue #10252 - mpirun dependencies issue.

v4.0.x

• No plan for update

Main branch

• PMIx asked if mpirun could add PMIx include paths to mpicc
  • OMPI Decided against today.
• Issue 10323 - PMIx won't build with OMPI v5.0.x
  • Need clarity if old PMIx is needed for SLURM.
• Old PMIx + new OMPI v5.0.x, can't compile
  • Should we "Fix" this?
  • PMIx v4 is needed for some intrinsics Sessions functionality.
    • So at runtime, we'd need to issue a warning.
  • Does Open MPI HAVE to support PMIx v3.2.x?
    • Could we require building with at least PMIx v4.0.x or later?
  • Two Issues 10341, 10345
    • How can se
• Perhaps we should have Minimum versions checked into a txt file that both
  • configure and docs could read from a common file.
  • config.py runs at beginning of Sphynx and could read in files, etc.

MTT

Face-to-face

• Wiki for face to face: https://github.com/open-mpi/ompi/wiki/Meeting-2022
  • Should think about schedule, location, and topics.
  • Some new topics added this week. Please consider adding more topics.
• Domestic travel might be opening up next few months.