ASC Q3 2023 Meeting

PMIx Standard Administrative Steering Committee (ASC) 3Q 2023 Meeting

• Date: July 18 & 20, 2023
• Time: 10 am - 1 pm US Central Daylight Time each day
• Location: Virtual Meeting. WebEx information (bottom of the page): https://recaptcha.open-mpi.org/pmix-asc-recaptcha/
• Active Notes Link: Google Doc - Please add your name and affiliation.

Quick Links

• Governance Document [latest]

Agenda (Finalized on July 3, 2023)

This meeting has a floating agenda with specific synchronization points to keep us on track. Rough time estimates are provided per agenda item, and the co-chairs plan to cover the topics in the order seen below. However, since some agenda items will take longer/shorter than anticipated, an exact start/end timing is not guaranteed, and some items may float to the second day. If you cannot attend the full meeting and are presenting, please let the co-chairs know, and we can plan accordingly.

Day 1: (10 am - 1 pm US Central Daylight Time)

Start	End	Topic
10:00 am	10:05 am	Gathering (--)
10:05 am	10:10 am	Roll Call (We will start roll call promptly at this time)
10:10 am	11:30 am	Discussion of agenda items
11:30 am	11:45 am	Break
11:45 am	1:00 pm	Discussion of agenda items

Day 2: (10 am - 1 pm US Central Daylight Time)

Start	End	Topic
10:00 am	10:05 am	Gathering (--)
10:05 am	11:30 am	Discussion of agenda items
11:30 am	11:50 am	Voting and Break
11:50 am	12:30 am	Administrative and Working Group agenda items
12:30 am	12:45 pm	Technical and Use Case Presentation(s)
12:45 am	1:00 pm	Closing discussion and wrap up

Agenda Items

• Governance PRs up for a Second Vote:
  • None
• Governance PRs up for a Reading and First Vote:
  • None
• PMIx Standard PRs up for a Reading (Provisional):
  • None
• PMIx Standard PRs up for a Reading (Errata):
  • https://github.com/pmix/pmix-standard/pull/484 (Dave)
  • https://github.com/pmix/pmix-standard/pull/485 (Ken)
  • https://github.com/pmix/pmix-standard/pull/486 (Dave)
  • https://github.com/pmix/pmix-standard/pull/487 (Aurelien)
  • https://github.com/pmix/pmix-standard/pull/488 (Aurelien)
  • https://github.com/pmix/pmix-standard/pull/489 (Aurelien)
• PMIx Standard PRs up for a Second Vote:
  • None
• PMIx Standard PRs up for a Reading and First Vote:
  • None
• Plenary discussion items
  • Broken links in v2 and v3 standard
    • Issue: https://github.com/pmix/pmix-standard/issues/378
    • PR (v2): https://github.com/pmix/pmix-standard/pull/432
    • PR (v3): https://github.com/pmix/pmix-standard/pull/431
  • Discussion regarding spawn info (Thomas)
    • https://github.com/pmix/pmix-standard/issues/400
  • First pass at IAWG pass at pack/unpack chapter (Dave)
    • https://github.com/pmix/pmix-standard/pull/449
  • Minor edits to Events chapter (Dave)
    • https://github.com/pmix/pmix-standard/pull/443
• Revision Exception Votes
  • None

Administrative and Working Group Agenda Items

• Review quarterly meetings dates and plans

4Q 2023 - Virtual
  - Oct. 17 & 19 (10 am - 1 pm US Central)
1Q 2024 - Virtual
  - Jan. TBD (10 am - 1 pm US Central)
2Q 2024 - Virtual
  - May TBD (10 am - 1 pm US Central)
3Q 2024 - Virtual
  - July TBD (10 am - 1 pm US Central)

• ASC Membership
  • Vote on new ASC Members
  • Call for new ASC Members
• Release Planning
  • PMIx 4.2 Release (Josh/Ralph ~ 5 min)
    • v4.2rc1 is available for review. Expected release 4Q 2023
  • PMIx 5.1 Release (Ken/Dave ~ 10 min)
• Working Group Updates (~ 10-15 minutes each)
  • Client Separation / Implementation Agnostic Document
  • Tools & Dynamic Workflows
  • Open Call for New Working Groups
• Working time on drift between OpenPMIx and PMIx Standard
  • https://github.com/openpmix/pmix-tests/actions
  • Triage File (v4): https://github.com/openpmix/pmix-tests/blob/master/check-standard/etc/openpmix_v4-pmix-standard_v4.txt
  • Triage File (v5): https://github.com/openpmix/pmix-tests/blob/master/check-standard/etc/openpmix_master-pmix-standard_master.txt
  • PR: https://github.com/openpmix/pmix-tests/pull/158
• Working time to triage remaining v4.2 work items
  • PMIx 4.2 Release
• Technical and Use Case presentations
  • TBD
• Additional discussion items

Meeting Notes:

Attendance

Person	Institution	Day 1	Day 2
Josh Hursey	IBM	☑️	☑️
Michael Karo	Altair	☑️	☑️
Brice Goglin	Inria	☑️	☑️
Norbert Eicker	FZJ		☑️
Isaias Compres	TUM	☑️
Aurelien Bouteiller	UTK	☑️	☑️
Kathryn Mohror	LLNL	☑️
Dominik Huber	TUM	☑️
Thomas Naughton	ORNL		☑️

Day 1: July 18, 2023

• PMIx Standard PRs (Reading)
  • https://github.com/pmix/pmix-standard/pull/487  (Aurelien)
    • Clarify that PMIX_NODE_SIZE counts processes that have not (or will not) call pmix
    • Passed reading with no changes required.
      • No changelog required
  • https://github.com/pmix/pmix-standard/pull/488  (Aurelien)
    • Change type of key parameter to PMIx_Get_nb to match PMIx_get
    • Passed reading with no changes required.
  • https://github.com/pmix/pmix-standard/pull/489  (Aurelien)
    • PMIX_Info_load BOOL with NULL sets value to true
    • Passed reading with no changes required.
  • https://github.com/pmix/pmix-standard/pull/485  (Ken - read by Aurelien)
    • Passed reading with no changes required.
  • https://github.com/pmix/pmix-standard/pull/484  (Dave)
    • Skipped. We needed more context to understand the reading. Will push this ticket to the next meeting.
  • https://github.com/pmix/pmix-standard/pull/486  (Dave)
    • Errata: Type of callback pmix_iof_cbfunc_t parameter payload should be a pmix_byte_object_t *
    • Passed reading with no changes required. Errata.
• Plenary
  • Broken links in v2 and v3 standard
    • Issue: https://github.com/pmix/pmix-standard/issues/378
    • PR (v2): https://github.com/pmix/pmix-standard/pull/432
    • PR (v3): https://github.com/pmix/pmix-standard/pull/431
    • During the June monthly meeting the plan was to produce a new v2 and v3 document with the only changes being the correction of the URLs
      • Co-Chairs to review the two PRs above in an editorial process and post a new release.
  • Minor edits to Events chapter (Dave - presented by Aurelien)
    • https://github.com/pmix/pmix-standard/pull/443
    • No major concerns. Can be presented for reading in the next meeting.
  • Discussion regarding spawn info (Thomas)
    • https://github.com/pmix/pmix-standard/issues/400
    • Push to Thursday
  • First pass at IAWG pass at pack/unpack chapter (Dave)
    • https://github.com/pmix/pmix-standard/pull/449
    • Reader not present. Not presented.
• Drift between OpenPMIx and PMIx Standard
  • No new differences to account for
  • https://github.com/openpmix/pmix-tests/actions/runs/5565386681
• Releases
  • v4.2 is making progress
  • V5.1 - RMs not available to update the group
• Working groups
  • Client Separation / Implementation Agnostic Document
    • Still reading through the document and bringing forward changes as they are ready.
  • Tools & Dynamic Workflows
    • Working on increasing the coversage of PMIx in the Slurm plugin for the unimplemented PMIx server side functions.
      • May create a wiki page to track the set of PMIx functionality implemented or not in Slurm to aid in tracking
    • Common solution for fault tolerance with the dynamic workflows.
    • Lots of work on implementation at the moment. Standardization on hold until implementation nears completion.
      • No known changes to the standard are needed at this time
    • Next meeting Aug 2
  • Open call for new working groups
    • Might see small working groups pop up to revolve thornier issues of clarification
• Adjourned early to resume on Thursday
• Agenda for Thursday
  • Voting results
  • Discussion regarding spawn info (Thomas)
    • https://github.com/pmix/pmix-standard/issues/400
  • Open discussion

Day 2: July 20, 2023

• Voting results
  • All PRs that were read passed. Individual voting results were posted to the tickets below:
    • https://github.com/pmix/pmix-standard/pull/485 (Ken)
    • https://github.com/pmix/pmix-standard/pull/486 (Dave)
    • https://github.com/pmix/pmix-standard/pull/487 (Aurelien)
    • https://github.com/pmix/pmix-standard/pull/488 (Aurelien)
    • https://github.com/pmix/pmix-standard/pull/489 (Aurelien)
  • The ticket below was not read or voted on. Can be presented in 4Q 2023 meeting
    • https://github.com/pmix/pmix-standard/pull/484 (Dave)
• Logistics:
  • 4Q 2023 PMIx ASC meeting: Oct. 17  & 19
    • Sept. 19: Announcement deadline
    • Oct. 3: 2 week freeze deadline on all PR changes
  • Call for Office Nominations: Due Sept. 19
  • 2024 Meeting dates poll: Look for an email soon with information
• Discussion regarding spawn info (Thomas)
  • https://github.com/pmix/pmix-standard/issues/400
    • No update, plan to use openpmix implementation as guide for initial proposal
• Open discussion
  • Not planning to do SC BoF this year. Possibly post end of year summary online to recap highlights.