WeeklyTelcon_20151215

Open MPI Weekly Telcon Minutes 12/15/2015

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

Attendees

• Jeff Squyres
• Edgar Gabriel
• Geoffroy Vallee
• Howard
• Joshua Ladd
• Nathan Hjelm
• Ralph
• Ryan Grant
• Todd Kordenbrock

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Agenda

Review 1.10

• Milestones: https://github.com/open-mpi/ompi-release/milestones/v1.10.2
• 1.10.2 - still 3 PRs waiting to go into 1.10.2
  • Ibarrier thrown to Nathan. Found through MPICH test suite.
  • Jim Sharp reported, Ralph cleaned it over and put into 1.10, and threw this to Jeff S.
  • Integer Overflow - Thrown to George. Ralph will ping him.
    • in coll/allreduce - From Jeff Hammonds big MPI thing
    • Recasts to size_t to do math, and then recasts down to int.
    • Nathan - should doublecheck math, since might still overflow.
    • Should evaluate these codepaths a bit better.
  • PR on master, but tagged with 1.10.2
    • Jeff S will look at today, and may then be able to PR to 1.10.2
  • Nathan has one more, unmemmap a pointer belonging to OSHEM.
    • Oneline change, and will bring it over soon.
  • Subarray 1191 on master. Jeff hasn't been following.
    • Need to fork off to George.
• After these are done will roll an RC later this 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 *
• Milestones: https://github.com/open-mpi/ompi-release/milestones/v2.0.0 *
• QUESTION: PMIx 1.1.2 vs 1.2.0 for OMPI 2.0 release

RFCs

• RFC: remove embedded libevent and hwloc

o PMIx 1.1.2 vs 1.2.0 for OMPI 2.0 release o Debugger attachment issue o Travs testing

Review Master?

MTT status:

Status Updates:

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Status Update Rotation

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

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