All,
The MPICH team will host a Birds-of-a-Feather session this Wednesday evening at 5:15pm CST as part of the SC22 proceedings. We hope to see you there to discuss the latest developments in MPICH, and to hear from partners Intel, HPE, ParTec, MVAPICH, NVIDIA, and Cornelis Networks. Visit the link below for more info.
https://github.com/pmodels/mpich/wiki/2022-Supercomputing-BoF
Cheers,
The MPICH team
A new beta release of MPICH, 4.1b1, is now available for download<https://www.mpich.org/downloads/>. This is the first feature-complete release in the 4.1 series. Major features in this release include:
* Standalone libpmi
* Independent use of MPICH testsuite
* Experimental MPIX stream prototypes to support explicit threading context and asynchronous enqueue to GPU streams. Both CUDA and HIP are supported.
* Significant refactor in PMI and Hydra
The full set of changes since 4.0.3 can be found here: https://github.com/pmodels/mpich/compare/v4.0.3…v4.1b1<https://github.com/pmodels/mpich/compare/v4.0.3%E2%80%A6v4.1b1>
--
Hui Zhou
zhouh(a)anl.gov
630-252-3430
A new stable release of MPICH, 4.0.3, is now available for download. This is the third bug-fix release in the 4.0.x series. This release contains fixes for Message Queue Dumping Interface, HIP support, ROMIO, Intel OneAPI compilers, and other user-reported bugs and build issues.
You can find the release on our downloads page (https://www.mpich.org/downloads/) Production environments are encouraged to upgrade to this release.
Regards,
The MPICH team
===============================================================================
Changes in 4.0.3
===============================================================================
# Fix message queue dumping interface support
# Fix multinic usage in ch4:ofi
# Fix bug in MPI_WIN_CREATE in ch4:ucx when UCX >= 1.13.0
# Fix MPIR_pmi_barrier when PMI2 is used
# Fix ROMIO lazy mutex initialization
# Fix build with HIP support
# Fix potential dynamic process message mixups in ch3
# Add missing const to MPI_Pready_list array_of_partitions argument
# Add support for C++ datatypes even when the C++ binding is disabled
# Add support for Intel OneAPI compilers
A full list of changes is available at the following link:
https://github.com/pmodels/mpich/compare/v4.0.2…v4.0.3
