Meeting 2015 01

January 2015 OMPI Developer's Meeting

This is a standalone meeting; it is not being held in conjunction with an MPI Forum meeting.

Logistics

Doodle for choosing the date: https://doodle.com/zzaupgxge9y6medu

• Date: 9am Tuesday, January 27 through 3pm Thursday, January 29, 2015
• Location: Cisco facility (outside Dallas):

2200 East President George Bush Highway
Richardson, Texas 75082-3550

Google maps link: https://goo.gl/maps/SNrbu

Attendees

• Jeff Squyres
• Howard Pritchard
• Ralph Castain
• George Bosilca
• Dave Goodell
• Artem Polyakov
• Edgar Gabriel (not Monday probably)
• Vish Venkatesan (not Tuesday)
• ...please add your name if you plan to attend...

Topics

• Branch for v1.9
• Jenkins integration with Github:
  • how do we do multiple Jenkins servers? (e.g., running at different organizations)
• Review: v1.8 series / RM experience with Github and Jenkins and the release process
  • Ralph's feedback: lots more PRs than we used to have CMRs
  • Ralph's feedback: people seem to be relying on Jenkins for correctness, when Jenkins is really just a smoke test
• Performance of freelists and other common OPAL classes with OPAL_ENABLE_MULTI_THREADS==1 (as discussed in [GitHub])
• Async modex, static endpoint support
• RTE-MPI sharing of BTLs
• Memory footprint reduction
• Revising process naming scheme
• Progress on async progress
• Progress on thread-multiple support
• MTL overhead reduction
• Error response planning
• Collective switching points & MPI tuning params - what is required to change them
• Memkind integration: see http://www.open-mpi.org/community/lists/devel/2014/11/16320.php

Resolved

• TBD

Since this will be a full meeting in itself, we'll have a good amount of time for discussion, design, and for hacking!