[Mvapich] Announcing the release of MVAPICH 4.0 GA

Panda, Dhabaleswar panda at cse.ohio-state.edu
Fri Mar 7 21:12:16 EST 2025


The MVAPICH team is pleased to announce the release of MVAPICH 4.0 GA.

* Overall Features and Enhancements
        - Based on MPICH 4.3.0
    - Supports all features of MPI 4.1 standard
    - Supports both UCX and Libfabrics (OFI)
    - Includes enhanced OFI provider for IB systems, "mverbs;ofi_ucr"
    - Support for
        * Major CPUs (x86-Intel, x86-AMD, and ARM)
        * Major Interconnects (IB, Slingshot, OPX, Omni-Path, ROCE, 
          and Ethernet/ iWARP)
        * Basic support for major GPUs (from NVIDIA, AMD, and Intel)
    - Optimized support for pt2pt inter-node and intra-node communication
    - CMA support for intra-node pt2pt CPU operations
    - Optimized algorithms for CPU-based collectives

For downloading MVAPICH 4.0 GA library and associated user guide,
please visit the following URL:

http://mvapich.cse.ohio-state.edu

All questions, feedback, bug reports, hints for performance tuning,
patches, and enhancements are welcome. Please post it to the
mvapich-discuss mailing list (mvapich-discuss at lists.osu.edu).

Thanks,

The MVAPICH Team

PS: We are also happy to announce that the number of organizations
using MVAPICH libraries (and registered at the MVAPICH site) has
crossed 3,450 worldwide (in 92 countries). The number of downloads
from the MVAPICH site has crossed 1,870,000 (1.87 million).  The
MVAPICH team would like to thank all its users and organizations!!



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