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MPICH development call tomorrow
by Zhou, Hui 13 Aug '25

13 Aug '25

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * Update ucx submodule to v19.0 * More benchmark tests * 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

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MPICH development call tomorrow
by Zhou, Hui 06 Aug '25

06 Aug '25

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * CH4 OFI native RNDV protocols * 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

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MPICH development call tomorrow
by Zhou, Hui 30 Jul '25

30 Jul '25

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * Misc issues * Auto-detection of PMI at runtime * 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

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MPICH development call tomorrow
by Zhou, Hui 23 Jul '25

23 Jul '25

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * Session fallback to use internal comm_world * Receiver initiated IPC write * Support PMIx psets * Collective selection summary report * 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

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MPICH development call tomorrow
by Zhou, Hui 16 Jul '25

16 Jul '25

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * Flush ofi send at comm_free * Use fallback collectives during init/bootstrap * Fix potential mismatch in dynamic_sendrecv * Session fallback to use comm_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

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MPICH development call tomorrow
by Zhou, Hui 09 Jul '25

09 Jul '25

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * Removing internal pmix client * True MPI sessions * Fix potential mismatch in dynamic_sendrecv * Initial implementation of IPC write * 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

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MPICH development call tomorrow
by Zhou, Hui 02 Jul '25

02 Jul '25

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * Fix ABI+Clang * Fix ch4 posix eager inline * PMI_Barrier_group fallback * Extending coll errflag into attribute * RCCL Allreduce backend * 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

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MPICH development call tomorrow
by Zhou, Hui 25 Jun '25

25 Jun '25

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * MPICH 4.3.1 release * Thread support for PMI_Barrier_group * Misc. fixes * Thread safety for ZE memcpy * Extending coll errflag into attribute * 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

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MPICH development call tomorrow
by Zhou, Hui 18 Jun '25

18 Jun '25

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * MPICH 4.3.1 release * Thread support for PMI_Barrier_group * Sporadic failures in ch3:sock Finalize * Thread safety for ZE memcpy * 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

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MPICH development call tomorrow
by Zhou, Hui 11 Jun '25

11 Jun '25

Dear MPICH family and friends, The next MPICH development tele-con will be tomorrow (Thursday) at 9am US Central time. agenda * MPICH 4.3.1rc1 is out * NCCL collective backend * More consistent collective algorithm code * Add thread support to PMI_Barrier_group * 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

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