WeeklyTelcon_20171128

Open MPI Weekly Telecon

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

Attendees

• Josh Hursey
• Jeff Squyres
• Geoffroy Vallee
• Howard Pritchard
• Ralph
• George
• Todd Kordenbrock

Agenda

Review All Open Blockers

Review v2.0.x Milestones v2.0.4

Review v2.x Milestones v2.1.2

Review v3.0.x Milestones v3.0

Review v3.1.x Milestones v3.1

• Target v3.1.0 before the new year. Target about 2 weeks from now
• OSC Monitoring code PR 4527 to master
  • Need feedback from the community on the structure change
  • Need this in v3.1.0 or some version (e.g., PR 4521) for Portals support (otherwise it will be broken)
  • George to send email to list asking for comment

Review Master Master Pull Requests

• PR 4532 local spawn
  • Parallelize the local spawn
  • Harvest threads at the end of the launch
  • If nothing specified then start number of threads equal to the number of cores
    • Suggested stating threads based upon PPN at launch time
    • Suggested forking then forking to minimize page table copy overhead/serialization
  • Target Post 3.1 release
  • Josh to send out some of the thread launch scaling data taken from a Power8 system with PPN up to 160
• LSF/CSM - PR 4439
  • IBM to review

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MTT / Jenkins Testing Dev

• Seems to be a memory leak in the OMPI Jenkins
  • Working on a solution

Review Master MTT testing

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This week Discussion Points.

Oldest PR

Oldest Issue

Next face-to-face meeting

• See on list email
  • Tentatively: Jan 23-25
    • Josh to check on dates and location with IBM folks

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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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