A new stable release of MPICH, 3.4.2, is now available for download. This is the second bug-fix release in the 3.4.x series. This release contains fixes for GPU support 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
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Changes in 3.4.2
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# Update configure options to support --disable-ze and --disable-cuda
to explicitly disable GPU-awareness
# Update embedded hwloc to version 2.4.1. Fixes a build issue on
systems with OpenCL.
# Fixes for Argobots thread package support.
# Fixes for the DAOS ROMIO driver (thanks to Intel for contributing)
# Fix additional bugs in GPU-aware nonblocking op collectives
# Fix 'make check' errors with embedded MPL and json-c libraries
# Fix support for GNI provider in ch4:ofi netmod
# Fix bug in dynamic window memory registration with ch4:ofi netmod
# Fix bug in persistent pt2pt when used with MPI_PROC_NULL
# Fix bug in hydra nameserver when freeing published entries
# Fix bugs in GPFS ROMIO driver (thanks to IBM for contributing)
# Fix bug in darray type creation (thanks to IBM for contributing)
# Fix bugs in XPMEM support
# Fix bug in MPI_Comm_spawn_multiple where non-root args were not ignored
A full list of changes is available at the following link:
https://github.com/pmodels/mpich/compare/v3.4.1…v3.4.2
