[mpich-devel] Cancelling this week's MPICH development update call

Zhou, Hui zhouh at anl.gov
Thu Nov 2 08:20:45 CDT 2023

Hi Lisandro,

Yes, the plan is to release mpich-4.2b1 next week with full support for the upcoming MPI 4.1 specification. All the pull-requests related to MPI 4.1 and need to be merged before the 4.2b1 release is tracked in https://github.com/pmodels/mpich/projects/23. If you see anything we miss, please alert us.


From: Lisandro Dalcin via devel <devel at mpich.org>
Sent: Thursday, November 2, 2023 2:56 AM
To: devel at mpich.org <devel at mpich.org>
Cc: Lisandro Dalcin <dalcinl at gmail.com>
Subject: Re: [mpich-devel] Cancelling this week's MPICH development update call

Dear Hui,

I need some clarification. You recently bumped MPI_SUBVERSION to 1 to simplify your testing (at the expense of mine, but I'm not complaining).
Are you planning to publish a beta release containing the MPI_SUBVERSION bump before the all new MPI-4.1 stuff is implemented?

PS: I have a minor request. Could you please add "cc @dalcinl" in any upcoming MPICH PR related to MPI-4.1?  Or at least add a "MPI-4.1" tag (or whatever name you like) to these PR? .
mpi4py already wraps the 4.1 stuff and has preliminary tests in place. I would like to keep things in sync.

On Thu, 2 Nov 2023 at 00:11, Zhou, Hui via devel <devel at mpich.org<mailto:devel at mpich.org>> wrote:

Hi All,

Tomorrow’s MPICH development update call is cancelled due to conflict with MPI forum meeting. We are also delaying the mpich-4.2b1 release to next week. We’ll resume the call next Thursday.

Enjoy your 1 hour free time tomorrow!

Hui Zhou

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Lisandro Dalcin
Senior Research Scientist
Extreme Computing Research Center (ECRC)
King Abdullah University of Science and Technology (KAUST)
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