A new stable release of MPICH, 4.3.2, is now available for download. Thanks to everyone who contributed to the release! See 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
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Changes in 4.3.2
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# Improve libfabric provider selection when available providers have
negative internal score
# Improve error messages when Level Zero failures are detected
# Improve localhost detection in Hydra
# Update libfabric usage to silence deprecation warnings
# Update yaksa for improved reproducibility in code generation
# Update embedded UCX to v1.19.0
# Update embedded libfabric to fix build issue with GCC 15
# Add compatibility with CUDA 13
# Fix missing const in nondestructive request test and status query
functions
# Fix HCOLL support
# Fix crash with GPU-aware build when running on systems with no GPUs
# Fix HIP device query
# Fix singleton init with Hydra
# Fix thread safety for Level Zero memcpy functions
# Fix potential crash when release gather collective initialization fails
# Fix ch3 connect/accept protocol handling when a discard event arrives
after a connection is already established
# Fix inlining for posix eager modules in ch4/shm
# Fix weak attribute usage in MPI ABI build
# Fix potential use-after-free bug in Hydra during spawn operations
# Fix bug in persistent bcast algorithm
# Fix bug in fabric coordinate retrieval with PMIx
# Fix integer overflow and signed/unsigned bugs in ROMIO
# Fix Quobtye ROMIO driver build error
# Fix broken string conversion in mpi_f08 module
# Fix compilation issue with mpi_f08 and NAG compiler
# Fixes for various test program bugs
