[Mvapich-discuss] Announcing the release of OSU Micro-Benchmarks (OMB) 8.0b

Panda, Dhabaleswar panda at cse.ohio-state.edu
Fri Nov 21 16:31:32 EST 2025


The MVAPICH team is pleased to announce the release of OSU
Micro-Benchmarks (OMB) 8.0b.

The new features, enhancements, and bug fixes for OSU Micro-Benchmarks
(OMB) 8.0b are listed here:

* New Features & Enhancements (since 7.5.1)
    - Fully rebuilt benchmarks on common template files.
                - Reduces variance between test code to facilitate easier
                  community contributions
                - Allows for single point of change contributions
    - Added unified OMB launcher for batch testing of pt2pt,
          collective, and RMA tests
                - Allows one-step run of some or all benchmarks of a given type
                - Configurable behavior allows for faster comprehensive benchmarking
                - Supports batch testing of some or all tests in a given category
                - Reports test failures or incompatible arguments on exit
                - Fully backwards compatible with existing scripts
                - Full details for using the launcher available in README
    - Added support for colored terminal output for enhanced visual output

* Bug Fixes
        - Fixed bug where a value of zero for warmup messages would result in
          test failure

For downloading OMB 8.0b and associated README instructions,
please visit the following URL:

http://mvapich.cse.ohio-state.edu (under Benchmarks tab)

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 inform you that the number of organizations
using MVAPICH libraries (and registered at the MVAPICH site) has
crossed 3,475 worldwide (in 93 countries). The number of downloads
from the MVAPICH site has crossed 1,983,000 (1.983 million).  The
MVAPICH team would like to thank all its users and organizations!!


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