[mpich-announce] MPICH 4.3.1 released
Raffenetti, Ken
raffenet at anl.gov
Fri Jun 20 11:26:11 CDT 2025
A new stable release of MPICH, 4.3.1, is now available for download. Thanks to everyone who contributed to the release! See the CHANGES below for a detailed list of fixes.
You can find the release on our downloads page (https://urldefense.us/v3/__https://www.mpich.org/downloads/__;!!G_uCfscf7eWS!ZJaEL8G9lg5OhxwMiUvoY2IE3WrkjbcqXF2nzeM6nnbrcNTIfCrBPgpS5oqYKOwOHgaHerszkwHZqjZi$ )
Regards,
The MPICH team
====================================================================
Changes in 4.3.1
====================================================================
# Fix initialization in GPU-aware builds when no devices are present
# Fix internal pmix.h header conflict when building with an external
PMIx library.
# Fix build issue with Slurm by removing dependency on libslurm and
always using internal logic for parsing the Slurm hostfile.
# Fix potential stale GPU IPC handle usage resulting in data corruption
or crashes
# Update XPMEM thresholds to avoid excessive buffer mapping overhead
# Fix potential hang in ROMIO when setting info hints on certain files
# Improved detection of incompatible PMI[x] client/server configuration
# Fix use of PMIX_PREFIX attribute for certain versions of OpenPMIx
# Fix Intel GPU output with MPIR_CVAR_DEBUG_SUMMARY
# Fix F08 binding compilation with nvfortran
# Fix line continuations with Hydra's --configfile option
# Fix valgrind uninitialized read warnings in ch3
# Fix missing mpixxx_opts.conf file with help text for mpicc and friends
# Fixes for several compiler warnings
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