WeeklyTelcon_20171003

Open MPI Weekly Telcon

Going to switch v2.0.x to only Critical fixes only!
- Only Critical fix we know of now is MAdvise fix.
- IN.
Ask people to move to v2.1.x or v3.0.0
If nothing else critical Howard and Jeff will make an RC soon.
targeting Oct 21st for release.
- Still on Target.
Iterating a bit on disabling cuda inside of hwloc 4249 PR on this branch.
- Issue 4248 - disabling cuda on hwloc

v2.1.3 (unscheduled, but probably jan 19, 2018)
- PR4172 - a mix between feature / bugfix.
nothing happening much now. Some outstanding
- 4229 - Geoff Review.

v3.0.1 - Opened the branch for bugfixes Sep 18th.
- Still targeting End of October for release of v3.0.1
- Everything ready to push has been.

Branched v3.1 last night, but forgot to build nightly tarballs.
- Building now.
- Still getting a ton of TCP errors.
  - Mohan and George going back on forth for a solution.
  - Both master PR 4263
Want to create first RC soon, but need this PR 4263 in first.
PMIx 2.1 should get in in time for v3.1
- On Thursday will talk about this.
- At Euro MPI - folks talked about. A lesser used PMIx feature to help support Sessions.
- Minus this change
- One new feature is cross version compatibility.
- PMIx version 2.x will support one step back, PMIx v1.x Not sure if it support v1.0 and v1.1 and v1.2
- Discuss next week exactly what this supports.
- useful for slurm build with older PMIx.

Minus TCP btl things, looking good.
A lot of hangs going on too, but can't debug until TCP is fixed.
proc_hostname code not coded correctly for 3 years. git bisect from PMIx from 2 weeks ago
- Giles posted a fix
- IN.

Python client doesn't have nightly snapshot integration.
- Need this since this is most of the release testing.

Website - openmpi.org
- Brian trying to make things more automated, so can checkout repo, etc. Repo is TOO large.
- Majority of the problem is the Tarballs. and already storing those in S3.

Need to see if Attributes are MT - IBM will see if we have any tests to audit.
- Asked, need to get answer back from them.