WeeklyTelcon_20181023

Open MPI Weekly Telecon

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

Attendees (in Person)

• Geoff Paulsen
• Jeff Squyres
• Edgar Gabriel
• Geoffroy Vallee
• Howard Pritchard
• Ralph Castain
• Josh Hursey
• Matthew Dosanjh
• Nathan Hjelm
• Thomas Naughton
• Todd Kordenbrock
• Xin Zhao
• Aravind Gopalakrishnan (Intel)
• Matias Cabral

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

• David Bernholdt
• Akshay Venkatesh
• Brian
• Arm (UTK)
• Dan Topa (LANL)
• Akvenkatesh (nVidia)
• Dan Topa (LANL)
• George
• Peter Gottesman (Cisco)
• Joshua Ladd?
• mohan

Agenda/New Business

• Face to Face was next week

• Summary of PMIx re-architecturing for v5.0

• Lots of TCP wire-up discussion

• github suggestion on email filtering

Minutes

Review All Open Blockers

Review v2.1.6 (not going to do this in immediate future.

• Schedule:
• Dec 1st

Review v3.0.x Milestones v3.0.3

• Schedule:
• Friday (Do another RC for both 3.0 and 3.1)

Review v3.1.x Milestones v3.1.0

• Schedule:
• Friday (Do another RC for both 3.0 and 3.1)

v4.0.0

• Schedule:
• rc5 announced today. Goal of shipping Friday.
• Two rankfile mapper issues reported on mailing list. Howard will file issue.
• Want to issue MPR deprication warning in (master)PR 5947

PMIx

• Nothing new at this time.

Master

• IBM is getting PGI failures to build.

• openib is failing out at IBM MTT with device failure.

  • We should be memsetting a datastructure to 0 before ibv_x_query_device (mention in issue 5810)
  • ibv_x_query_device - warning.

• Then invalid window error - need to investigate this (possibly caused by above)

  • in 4.0 and master.
  • Geoff will try memset and open PR if it works.

• Super Computing Open MPI BOF, and PMIx BOF

• MTT - * IBM syntax failures. (Build / Install)

  • PML UCX data
  • v4.0.x

New topics

• We have a new ibm-ompi SLACK channel for Open MPI developers.

  • Not for users, just developers...
  • email Jeff If you're interested in being added.

• MTT License discussion - MTT is now de-GPL-ified.

  • python is in new repo.
  • perl is in legacy repo.
  • Use either as desired.
  • Licensing is all happy.

• MTT performance database?

  • MTT does report this, but no one looks.

Review Master Master Pull Requests

• didn't discuss today.

Review Master MTT testing

Oldest PR

Oldest Issue

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Status Updates:

Status Update Rotation

1. Mellanox, Sandia, Intel
2. LANL, Houston, IBM, Fujitsu
3. Amazon,
4. Cisco, ORNL, UTK, NVIDIA

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