- devel - mailman3.cels.anl.gov

MPICH development call tomorrow
by Zhou, Hui 04 Mar '26

04 Mar '26

Sorry for the late notice. This week’s MPICH development tel-con is cancelled. There is no new development since last week ☹️ We’ll resume the call next week. Thanks, -- Hui Zhou Principal Research Software Engineer Mathematics and Computer Science Argonne National Laboratory TEL: 630-252-3430

1 0

MPICH development call tomorrow
by Zhou, Hui 25 Feb '26

25 Feb '26

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * Fix yaksa ZE memory leak * ROMIO profiling symbol mess * Reimplement MPI_Comm_idup using Grequest + MPIX Async * Replace the MPIX Grequest extension with MPIX Async * Recently merged PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * Recently opened PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * New issues<https://urldefense.us/v3/__https://github.com/pmodels/mpich/issues?q=is*3Ai… > To join the Meeting: https://urldefense.us/v3/__https://teams.microsoft.com/l/meetup-join/19*3am… If you would like a calendar invite, please send us a message. Thanks, -- Hui Zhou Principal Research Software Engineer Mathematics and Computer Science Argonne National Laboratory TEL: 630-252-3430

1 0

MPICH development call tomorrow
by Zhou, Hui 18 Feb '26

18 Feb '26

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * Refactor how we configure submodules * Multi-nic issue when provider miss nic pci info * Misc. fixes * Recently merged PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * Recently opened PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * New issues<https://urldefense.us/v3/__https://github.com/pmodels/mpich/issues?q=is*3Ai… > To join the Meeting: https://urldefense.us/v3/__https://teams.microsoft.com/l/meetup-join/19*3am… If you would like a calendar invite, please send us a message. Thanks, -- Hui Zhou Principal Research Software Engineer Mathematics and Computer Science Argonne National Laboratory TEL: 630-252-3430

1 0

REMINDER: Join us Thursday, February 12th for an MPICH BoF as part of CASS Community BoF Days
by Raffenetti, Ken 12 Feb '26

12 Feb '26

Reminder that the MPICH BoF starts in about 30 minutes! There is still time to register and attend. Updated schedule below. Date and Time: Thursday, February 12th, 10:00am – 11:30am Central Time Registration: https://urldefense.us/v3/__https://www.zoomgov.com/meeting/register/EQumnsm… Agenda: * ANL Update – Hui Zhou * Partner Updates * Kim McMahon, Hewlett Packard Enterprise * Nat Shineman, Ohio State University * Simon Pickartz, ParTec AG * Gengbin Zheng, Intel * User Presentations * Nathan Nichols, ANL/ALCF * Junchao Zhang, ANL/PETSc * Q&A Cheers, The MPICH team

1 0

MPICH development call tomorrow
by Zhou, Hui 11 Feb '26

11 Feb '26

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * Fix Fortran logical reduction * Remove Fortran dependency on MPII functions * Do not return from MPIR_pmi_abort * Do not assume complex is always available * Recently merged PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * Recently opened PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * New issues<https://urldefense.us/v3/__https://github.com/pmodels/mpich/issues?q=is*3Ai… > To join the Meeting: https://urldefense.us/v3/__https://teams.microsoft.com/l/meetup-join/19*3am… Thanks, -- Hui Zhou Principal Research Software Engineer Mathematics and Computer Science Argonne National Laboratory TEL: 630-252-3430

1 0

Join us Thursday, February 12th for an MPICH BoF as part of CASS Community BoF Days
by Raffenetti, Ken 09 Feb '26

09 Feb '26

All, The MPICH team will host a Birds-of-a-Feather session this Thursday, February 12th at 10am Central time as part of the CASS Community BoF Days https://urldefense.us/v3/__https://cass.community/news/2026-02-10-cass-bof-… . We hope to see folks there to discuss upcoming MPICH release plans and to hear presentations from MPICH partners and users. Date and Time: Thursday, February 12th, 10:00am – 11:30am Central Time Registration: https://urldefense.us/v3/__https://www.zoomgov.com/meeting/register/EQumnsm… Agenda: * ANL Update – Hui Zhou * Partner Updates * Kim McMahon, Hewlett Packard Enterprise * Nat Shineman, Ohio State University * Simon Pickartz, ParTec AG * Maria Garzaran, Intel * User Presentations * Thomas Applencourt, ANL/ALCF * Junchao Zhang, ANL/PETSc * Q&A Cheers, The MPICH team

1 0

MPICH development call tomorrow
by Zhou, Hui 04 Feb '26

04 Feb '26

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * MPICH 5.0.0 released! * Circulant graph collective algorithm * Hydra: avoid duplicate proxies in spawn * Do not exit in MPID_Abort(WORLD) * Recently merged PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * Recently opened PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * New issues<https://urldefense.us/v3/__https://github.com/pmodels/mpich/issues?q=is*3Ai… > To join the Meeting: https://urldefense.us/v3/__https://teams.microsoft.com/l/meetup-join/19*3am… If you would like a calendar invite, please send us a message. Thanks, -- Hui Zhou Principal Research Software Engineer Mathematics and Computer Science Argonne National Laboratory TEL: 630-252-3430

1 0

MPICH development call tomorrow
by Zhou, Hui 28 Jan '26

28 Jan '26

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * MPICH 5.0.0 release plan * Circulant graph bcast algorithm * CSEL redesign preparation * ROCm version configure check * Recently merged PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * Recently opened PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * New issues<https://urldefense.us/v3/__https://github.com/pmodels/mpich/issues?q=is*3Ai… > To join the Meeting: https://urldefense.us/v3/__https://teams.microsoft.com/l/meetup-join/19*3am… If you would like a calendar invite, please send us a message. Thanks, -- Hui Zhou Principal Research Software Engineer Mathematics and Computer Science Argonne National Laboratory TEL: 630-252-3430

1 0

MPICH development call tomorrow
by Zhou, Hui 21 Jan '26

21 Jan '26

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * MPICH 5.0.0 release plan * Re-implementing ULFM * Recently merged PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * Recently opened PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * New issues<https://urldefense.us/v3/__https://github.com/pmodels/mpich/issues?q=is*3Ai… > To join the Meeting: https://urldefense.us/v3/__https://teams.microsoft.com/l/meetup-join/19*3am… If you would like a calendar invite, please send us a message. Thanks, -- Hui Zhou Principal Research Software Engineer Mathematics and Computer Science Argonne National Laboratory TEL: 630-252-3430

1 0

MPICH development call tomorrow
by Zhou, Hui 14 Jan '26

14 Jan '26

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * MPICH 5.0.0rc2 released * Ch4 anysource receive * Refactor MPIR_Typerep_unflatten * Circulant Graph Bcast Algorithm * Recently merged PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * Recently opened PRs<https://urldefense.us/v3/__https://github.com/pmodels/mpich/pulls?q=is*3Apr… > * New issues<https://urldefense.us/v3/__https://github.com/pmodels/mpich/issues?q=is*3Ai… > To join the Meeting: https://urldefense.us/v3/__https://teams.microsoft.com/l/meetup-join/19*3am… If you would like a calendar invite, please send us a message. Thanks, -- Hui Zhou Principal Research Software Engineer Mathematics and Computer Science Argonne National Laboratory TEL: 630-252-3430

1 0