WeeklyTelcon_20160209

Open MPI Weekly Telcon

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

Attendees

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Agenda

Review 1.10

• Milestones: https://github.com/open-mpi/ompi-release/milestones/v1.10.3 - Targeting April, unless there is a need.
  • 1.10 C Strided mutex lock issue. (Nathan) - ask again next week.

Review 2.0.x

• Wiki: https://github.com/open-mpi/ompi/wiki/Releasev20
• Blocker Issues: https://github.com/open-mpi/ompi/issues?utf8=%E2%9C%93&q=is%3Aopen+milestone%3Av2.0.0+label%3Ablocker
  • Issue 1215 https://github.com/open-mpi/ompi/pull/1335: grpcomm errors
    • Ralph is unable to replicate. Didn't see on Trinity and elsewhere at scale. Found where the problem is, but trying to figure out why solution isn't working. Ralph-and-Jeff-are-iterating phase.
  • https://github.com/open-mpi/ompi/issues/1252: bad perf caused by openib
    • Nathan and Geoff WebX today?
• PR 927 - need a Ralph review
  • (the X / test fail was due to github being down -- it's a false failure)
• Issue 1299 - Nathan Hang osc pt2pt.
• Milestones: https://github.com/open-mpi/ompi-release/milestones/v2.0.0
• Mellanox would like new entrypoints in hcoll into 2.0

Review Master / new RFCs:

• RFC to set the add_procs_cutoff to 32. PR1340 *
• --host vs. --hostfile behavior PR1344 *

MTT status:

Status Updates:

• LANL
• Houston
• HLRS
• IBM

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Status Update Rotation

1. LANL, Houston, HLRS, IBM
2. Cisco, ORNL, UTK, NVIDIA
3. Mellanox, Sandia, Intel

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