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_uCfscf7eW… )
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
A new stable release candidate of MPICH, 4.3.1rc1, is now available for download. See the CHANGES below for a detailed list of fixes.
At this stage, only critical bugs will be fixed before the 4.3.1 GA release. Please give it a try!
You can find the release on our downloads page (https://urldefense.us/v3/__https://www.mpich.org/downloads/__;!!G_uCfscf7eW… )
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
