[Mpi-forum] Process towards MPI 4.0 / Final Steps

[Rolf Rabenseifner]

Dear Martin, Bill and Wesley and all,

> Please let us know if you have any questions or concerns - we will also address
> this in the meeting next week.

Issue 466 is read at the February meeting and contains required corrections
to the current version of the draft (mpi-4-rc-june), which includes unintented
changes to the MPI-3.1 I/O interface. Therefore, it cannot be posponed to MPI-4.1.

Best regards
Rolf

----- Original Message -----
> From: "Main MPI Forum mailing list" <mpi-forum at lists.mpi-forum.org>
> To: "Main MPI Forum mailing list" <mpi-forum at lists.mpi-forum.org>
> Cc: "Martin Schulz" <schulzm at in.tum.de>
> Sent: Wednesday, March 24, 2021 7:55:11 PM
> Subject: [Mpi-forum] Process towards MPI 4.0 / Final Steps

> Hi all,
> 
> For those of you who had to miss the virtual MPI Forum meeting today, we had a
> discussion on the updated process towards MPI 4.0 and how to handle the final
> tickets.
> 
> The recording is at (with the right time-marker to this discussion):
> https://youtu.be/h9MO-BmbfdQ?t=2125
> 
> The slides are at:
> https://github.com/mpi-forum/mpi-forum.github.io/raw/master/slides/2021/03/2021-03-24-rcm-frm-procedures.pptx
> 
> The quick summary is that we will limit the tickets that are still considered
> for MPI 4.0 to only emergency fixes that avoid breaking the standard and that
> are directly related to new items/procedures/concepts/text added specifically
> for MPI 4.0. Otherwise we fear (and we are seeing this already) that we may get
> clogged up with more and more changes that will not get the needed vetting and
> - equally important - that we run the risk of some issues not being accepted
> during the vote, which means the FRM is not the final document, which is
> problematic.
> 
> Wesley will be going through the board and classifying all issues based on that
> (see also slide 11) and then move tickets that do not meet the criteria to MPI
> 4.1 (changes that are already in, will stay , though). For this, we agreed to
> temporarily assume the role of a release manager that will advance tickets once
> they are ready (and that includes sufficient reviews by the CCs) and meet the
> criteria.
> 
> Note, though, this does not mean that the items tagged as 4.1 are postponed
> indefinitely - the plan is to start working on them right after MPI 4.0, if
> time permits, already in the June meeting. We should strive for getting a
> cleaned-up MPI 4.1 out the door soon, preferably before we add (m)any new
> items, but that part we will also discuss in the June meeting.
> 
> Please let us know if you have any questions or concerns - we will also address
> this in the meeting next week.
> 
> Thanks!
> 
> Martin
> (also in the name of Bill and Wesley)
> 
>
> 
> --
> Prof. Dr. Martin Schulz, Chair of Computer Architecture and Parallel Systems
> Department of Informatics, TU-Munich, Boltzmannstraße 3, D-85748 Garching
> Member of the Board of Directors at the Leibniz Supercomputing Centre (LRZ)
> Email: schulzm at in.tum.de
> 
> 
> 
> 
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-- 
Dr. Rolf Rabenseifner . . . . . . . . . .. email rabenseifner at hlrs.de .
High Performance Computing Center (HLRS) . phone ++49(0)711/685-65530 .
University of Stuttgart . . . . . . . . .. fax ++49(0)711 / 685-65832 .
Head of Dpmt Parallel Computing . . . www.hlrs.de/people/rabenseifner .
Nobelstr. 19, D-70550 Stuttgart, Germany . . . . (Office: Room 1.307) .