MPI-4.1 is a minor update to the MPI standard.
The editors and organizers of the MPI-4.1 have been:
The following list includes some of the active participants who attended MPI Forum meetings or participated in the e-mail discussions.
| Julien Adam | Charles Archer | Christian Nicole Avans |
| Purushotham V. Bangalore | Wolfgang Bangerth | Jean-Baptiste Besnard |
| Claudia Blaas-Schenner | Wes Bland | George Bosilca |
| Aurélien Bouteiller | Emmanuel Brelle | Patrick Bridges |
| Alex Brooks | Jed Brown | Oliver Thomson Brown |
| Simon Byrne | Paul Canat | Ludovic Capelli |
| Ondřej Čertík | Steffen Christgau | Brandon Cook |
| Alfredo Correa | Pedro Costa | Lisandro Dalcin |
| Ali Can Demiralp | Bronis de Supinski | James Dinan |
| Matthew G. F. Dosanjh | Joe Downs | Julien Duprat |
| Dmitry Durnov | Victor Eijkhout | Ahmed Eleliemy |
| Kyle Gerard Felker | Edgar Gabriel | Maria J. Garzaran |
| Florent Germain | Sayan Ghosh | Thomas Gillis |
| Ryan Grant | William Gropp | Yanfei Guo |
| Samuel K. Gutierrez | Tobias Haas | Jeff Hammond |
| Marc-André Hermanns | Thomas Hines | Mark Hoemmen |
| Dan Holmes | Atsushi Hori | Dominik Huber |
| Joshua Hursey | Dan Ibanez | Nusrat Islam |
| Julien Jaeger | Nysal Jan K A | Joachim Jenke |
| Vivek Kale | Michael Klemm | Michael Knobloch |
| Quincey Koziol | Donald Kruse | Ignacio Laguna |
| Pierre Lemarinier | Ben Lynam | W. Pepper Marts |
| Guillaume Mercier | Jacob Merson | |
| Pedram Mohammadalizadehbakhtevari | Ali Mohammed | ||
| Ali Omar Abdelazim Mohammed | Benson Muite | ||
| Evelyn Namugwanya | Grace Nansamba | Thomas Naughton | |
| Christoph Niethammer | William Okuno | Guillaume Papauré | |
| Nick Papior | Sri Raj Paul | Howard Pritchard | |
| Rolf Rabenseifner | Nick Radcliffe | Ken Raffenetti | |
| Naveen Ravichandrasekaran | Florian Reynier | ||
| Martin Ruefenacht | Amit Ruhela | Derek Schafer | |
| Erik Schnetter | Whit Schonbein | Martin Schreiber | |
| Thorsten Schütt | Joseph Schuchart | Martin Schulz | |
| Amir Shehata | Nat Shineman | Riley Shipley | |
| Anthony Skjellum | Brian Smith | AmirHossein Sojoodi | |
| Jeff Squyres | Christopher Subich | Shinji Sumimoto | |
| Hugo Taboada | Daniel Taylor | Yiltan Hassan Temucin | |
| Keita Teranishi | Rajeev Thakur | Tim Thompson | |
| Jesper Larsson Träff | Ehsan Totoni | ||
| Isaías Alberto Comprés Ureña | Josef Weidendorfer | ||
| Bill Williams | Andrew Worley | Hui Zhou | |
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The MPI Forum also acknowledges and appreciates the valuable input from people via e-mail and in person.
The following institutions supported the MPI-4.1 effort through time and travel support for the people listed above.
Advanced Micro Devices, Inc.
Amazon.com, Inc
Argonne National Laboratory
Atos
CEA
Cisco Systems Inc.
Collis-Holmes Innovations Limited
Cornelis Networks
EPCC, The University of Edinburgh
Forschungszentrum Jülich
Fujitsu
HLRS, University of Stuttgart
Hewlett Packard Enterprise
Institut National de Recherche en Informatique et Automatique (Inria)
Intel Corporation
International Business Machines
Kichakato Kizito
Lawrence Berkeley National Laboratory
Lawrence Livermore National Laboratory
Leibniz Supercomputing Centre
Los Alamos National Laboratory
Meta Platforms Inc.
NVIDIA Corporation
Oak Ridge National Laboratory
ParaTools SAS
Queen's University
RWTH Aachen University
Sandia National Laboratory
Technical University of Munich
Tennessee Technological University
Texas Advanced Computing Center
The Ohio State University
University of Alabama
University of Alabama at Birmingham
University of Basel
University of Illinois Urbana-Champaign
University of New Mexico
University of Tennessee, Chattanooga
University of Tennessee, Knoxville
University of Tokyo
Université Grenoble Alpes
VSC Research Center, TU Wien
ZIH, TU Dresden