[mpich-announce] Announcing the availability of MPICH 4.0.2

Raffenetti, Ken raffenet at anl.gov
Fri Apr 8 11:58:59 CDT 2022

A new stable release of MPICH, 4.0.2, is now available for download. This is the second bug-fix release in the 4.0.x series. This release contains fixes for CUDA, Level Zero, FreeBSD, Fortran, Intel compilers on macOS, PMI2, musl libc, 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.

The MPICH team

                               Changes in 4.0.2

# Fix CUDA configuration logic in yaksa

# Fix support for dynamic process functionality with PMI2 clients

# Fix non-zero appnum bug in PMI2 server in Hydra

# Fix MPI_Op support for types created with MPI_Type_create_f90_xxx

# Fix building ch4 with Intel compilers on macOS

# Fix Level Zero properties initialization in MPL. Thanks to Brice
  Videau for the report and patch.

# Use standard names for CPU affinity functions with POSIX
  threads. Fixes building against Musl libc. Thanks to Mosè Giordano for
  the report and patch.

# Add elemental to eq/neq operators in Fortran 2008 binding

# Workaround for inter-process mutex bug on FreeBSD

A full list of changes is available at the following link:


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