Releases · pmodels/mpich

ch4 replaces ch3 as the default device configuration. If no network
module is specified at configuration-time, MPICH will search the
user environment in order to select one to build. The user will be
prompted to choose if no preferred network library is detected.
Add support for Yaksa datatype engine (default in ch4).
Add support for GPU buffers (CUDA, Level Zero) in pt2pt,
collectives, and one-sided communication.
Add support for XPMEM.
Add support for multiple virtual communication interfaces for more
efficient MPI_THREAD_MULTIPLE (experimental).
Add DAOS ADIO driver to ROMIO (contributed by Intel).
Add Quobyte ADIO driver to ROMIO (contributed by Quobyte).
Add support for Arm compiler toolchain
Add support for NVIDIA HPC compilers
Add support for flang/f18 Fortran compiler
Add support for AddressSanitizer and UndefinedBehaviorSanitizer to
debug configuration
Remove mxm, llc, and portals4 netmods from ch3.
Remove support for logical reduction operations on floating point
types.
Remove MPIX_Mutex interfaces.
Further improvements to ch4 business card exchange: extra
long address support and fixes for PMIx integration.
Un-inline non-critical ch4 code for improved build times.
Fix several test program bugs.
Fix several static analysis and compiler warnings.
Change the signature of MPID_Init to include requested and provided
thread levels.

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