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<p style="margin:0in"><span style="color:black">The MVAPICH team is pleased to announce the release of OSU Micro-Benchmarks (OMB) 7.3. This release introduces support for:<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"><o:p> </o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li style="color:black;margin-top:0in;margin-bottom:0in;mso-list:l0 level1 lfo1">
AMD RCCL-based benchmarks for point-to-point and collective operations.<o:p></o:p></li><li style="color:black;margin-top:0in;margin-bottom:0in;mso-list:l0 level1 lfo1">
Benchmarks to evaluate the performance of MPI persistent collectives for various collective operations.<o:p></o:p></li><li style="color:black;margin-top:0in;margin-bottom:0in;mso-list:l0 level1 lfo1">
New metrics to evaluate benchmark performance.<o:p></o:p></li></ul>
<p style="margin:0in"><span style="color:black"><o:p> </o:p></span></p>
<p style="margin:0in"><span style="color:black">We would also like to acknowledge and thank our community of users for their contributions to the OMB project in terms of bug reports and patches!<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"><o:p> </o:p></span></p>
<p style="margin:0in"><span style="color:black">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.<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> <o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black">The new features, enhancements, and bug fixes for OSU Micro-Benchmarks (OMB) 7.3 are listed here:<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"><o:p> </o:p></span></p>
<p style="margin:0in"><span style="color:black">* New Features & Enhancements<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> - Add support for RCCL benchmarks<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * Thanks to Marcel Koch @KIT for the initial patch<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * Point-to-point benchmarks supported<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * osu_xccl_bibw, osu_xccl_bw, osu_xccl_latency<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * Collective benchmarks supported<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * osu_xccl_allgather, osu_xccl_allreduce, osu_xccl_alltoall,<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * osu_xccl_bcast, osu_xccl_reduce, osu_xccl_reduce_scatter<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> - Add new benchmarks for persistent collectives<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * osu_allgather_persistent, osu_allgatherv_persistent,<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * osu_allreduce_persistent, osu_alltoall_persistent,<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * osu_alltoallv_persistent, osu_alltoallw_persistent,<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * osu_barrier_persistent, osu_bcast_persistent,<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * osu_gather_persistent, osu_gatherv_persistent,<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * osu_reduce_persistent, osu_reduce_scatter_persistent,<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * osu_scatter_persistent, osu_scatterv_persistent<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> - Support new metrics to evaluate benchmark performance<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * 50th percentile tail latency/bandwidth<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * 95th percentile tail latency/bandwidth<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * 99th percentile tail latency/bandwidth<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"><o:p> </o:p></span></p>
<p style="margin:0in"><span style="color:black">* Bug Fixes<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> - Fixed acknowledgement buffer memory allocation issue in bandwidth related
<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> benchmarks<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * Thanks to Emmanuel BRELLE @Eviden for report and patch.<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> - Fixed validation issue in osu_fop_latency.<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> * Thanks to Coey Minear @HPE for report and patch.<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> - Added support to managed buffers in one-sided collectives and<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> one-sided point-to-point benchmarks<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"><o:p> </o:p></span></p>
<p style="margin:0in"><span style="color:black">For downloading OMB 7.3 and associated README instructions, please visit the following URL:<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> <o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"><a href="http://mvapich.cse.ohio-state.edu/">http://mvapich.cse.ohio-state.edu</a><o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> <o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black">All questions, feedback, bug reports, hints for performance tuning, patches, and enhancements are welcome. Please post it to the mvapich-discuss mailing list (<a href="mailto:mvapich-discuss@lists.osu.edu">mvapich-discuss@lists.osu.edu</a>).<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> <o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black">Thanks,<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> <o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black">The MVAPICH Team<o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black"> <o:p></o:p></span></p>
<p style="margin:0in"><span style="color:black">PS: We are also happy to inform you that the number of organizations using MVAPICH2 libraries (and registered at the MVAPICH site) has crossed 3,325 worldwide (in 90 countries). The number of downloads from the
MVAPICH site has crossed 1,731,000 (1.73 million). The MVAPICH team would like to thank all its users and organizations!!<o:p></o:p></span></p>
<p class="MsoNormal"><b><o:p> </o:p></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
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