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WeeklyTelcon_20171128

Geoffrey Paulsen edited this page Jan 9, 2018 · 1 revision

Open MPI Weekly Telecon


  • 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 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

MTT / Jenkins Testing Dev

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

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

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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