[Mvapich] Announcing the release of MVAPICH-Plus 5.0.1

Panda, Dhabaleswar panda at cse.ohio-state.edu
Fri Jul 24 17:12:15 EDT 2026


The MVAPICH team is pleased to announce the release of MVAPICH-Plus 5.0.1.

The new MVAPICH-Plus series is an advanced version of the MVAPICH MPI library.  It is targeted to support unified MVAPICH2-GDR and
MVAPICH2-X features. It is also targeted to provide optimized support
for modern platforms (CPU, GPU, and interconnects) for HPC, AI
(training and inference), Big Data and Data Science applications.

The major features and enhancements available in MVAPICH-Plus 5.0.1
are as follows:

* Features and Enhancements (since 5.0.0)
    - Added ZFP support for ROCM 7 and CUDA 13
    - Added optimized blocking send/recv path for UCX netmod
    - Improved tuning for MPI_Bcast, MPI_Allgather, and MPI_Allreduce

* Bug Fixes (since 5.0.0)
    - Fixed possible memory leaks when using MPI_THREAD_MULTIPLE
    - Fixed intermittent hang in GPU Alreduce
    - Fixed support for node-locality and MPI_Comm_split_type with
      MPI_COMM_TYPE_SHARED

For downloading MVAPICH-Plus 5.0.1 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 3,500 worldwide (in 94 countries). The number of downloads
from the MVAPICH site has crossed 2,080,000 (2.08 million).  The
MVAPICH team would like to thank all its users and organizations!!


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