[Mvapich-discuss] Announcing the release of OSU Micro-Benchmarks (OMB) 6.2

[Panda, Dhabaleswar]

The MVAPICH team is pleased to announce the release of OSU
Micro-Benchmarks (OMB) 6.2. Please note that OMB is also available
through the Spack package manager. Now the system administrators and
users of OSU Micro-Benchmarks (OMB) will be able to install these
libraries on their systems using Spack.

OSU Micro-Benchmarks 6.2 introduces support for plotting histograms
for pt2pt, one-sided, and collective benchmarks. The new features,
enhancements, and bug fixes for OSU Micro-Benchmarks (OMB) 6.2 are
listed here:

* New Features & Enhancements
    - Add graphing support for mpi pt2pt benchmarks
        * Enabled with the `-G` option
        * Supports tty, png, and pdf graph ouputs.
        * Benchmarks supported
            * osu_bibw, osu_bw, osu_mbw_mr, osu_latency, osu_multi_lat,
            * osu_latency_mp, osu_latency_mt
    - Add graphing support for mpi blocking and non-blocking collective
      benchmarks
        * Enabled with the `-G` option
        * Supports tty, png, and pdf graph ouputs.
        * Blocking benchmarks supported
            * osu_allgather, osu_allgatherv, osu_alltoall, osu_allreduce,
            * osu_alltoallv, osu_alltoallw, osu_bcast, osu_barrier, osu_gather,
            * osu_gatherv, osu_reduce, osu_reduce_scatter, osu_scatter,
            * osu_scatterv
        * Non-Blocking benchmarks supported
            * osu_iallgather, osu_iallgatherv, osu_iallreduce, osu_ialltoall,
            * osu_ialltoallv, osu_ialltoallw, osu_ibcast, osu_ibarrier,
            * osu_igather, osu_igatherv, osu_ireduce, osu_iscatter,
            * osu_iscatterv
    - Add graphing support for mpi one-sided benchmarks
        * Enabled with the `-G` option
        * Supports tty, png, and pdf graph ouputs.
        * Benchmarks supported
            * osu_acc_latency, osu_cas_latency, osu_fop_latency,
            * osu_get_acc_latency, osu_get_bw, osu_get_latency, osu_put_bibw,
            * osu_put_bw, osu_put_latency
    - Add support for benchmarking blocking Alltoallw.
        * osu_alltoallw

* Bug Fixes (since v6.1)
    - Fixed inconsistency in max_message_size between some blocking and
      non-blocking collectives.
        * Thanks to Krishna Kandalla @HPE for the report.
    - Correct skip value for small message sizes in osu_ialltoallw benchmark

For downloading OMB 6.2 and associated README instructions, 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 inform you that the number of organizations
using MVAPICH2 libraries (and registered at the MVAPICH site) has
crossed 3,275 worldwide (in 90 countries). The number of downloads
from the MVAPICH site has crossed 1,633,000 (1.633 million).  The
MVAPICH team would like to thank all its users and organizations!!