[mvapich-discuss] Announcing the Release of MVAPICH2 2.3.3 GA

Subramoni, Hari subramoni.1 at osu.edu
Thu Jan 9 17:14:17 EST 2020


Happy New Year!!

The MVAPICH team is pleased to announce the release of MVAPICH2 2.3.3.

Features and enhancements for MVAPICH2 2.3.3 GA are as follows:

* Features and Enhancements (since 2.3.2):
    - Enhanced performance for intra-node collective operations
    - Add support for PMIx protocol for SLURM and JSM process managers
    - Add support for RDMA_CM based multicast group creation
    - Enhance point-to-point and collective tunings for Fulhame at EPCC,
      Catalyst at ARM, Mayer at Sandia, and Frontera at TACC
    - Update default cache line size on x86_64 platforms to 64 bytes
    - Enhance spread mapping to use even distribution of ranks
    - Add multiple MPI_T PVARs and CVARs for point-to-point and collective
      operations
    - Add support for sub-communicator level MPI_T PVARs
    - Added architecture detection support for Marvel QEDR RoCE HCA
    - Add runtime parameter 'MV2_SUPPRESS_HCA_WARNINGS' to suppress HCA warnings

* Bug Fixes (since 2.3.2):
    - Fix error in reading MV2_NUM_SA_QUERY_RETRIES
        - Thanks to Alexander Melnikov for reporting the issue and providing
          the patch
    - Fix build issues with ch3:sock
        - Thanks to Georg Geiser <Georg.Geiser at dlr.de> for reporting the issue
    - Fix issue in invalid memory reference when accessing comm_ptr during
      MPID_Win_free
        - Thanks to Karl Schulz for reporting the issue
    - Fix build issues with CLANG compilers on POWER9
    - Fix clang optimizing out valloc and calloc calls
    - Fix compilation warnings and memory leaks

For downloading MVAPICH2 2.3.3 GA and associated user guides, quick start guide,
and accessing the SVN, 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 cse.ohio-state.edu).

Thanks,

The MVAPICH Team

PS: We are also happy to inform that the number of organizations using
MVAPICH2 libraries (and registered at the MVAPICH site) has crossed
3,050 worldwide (in 89 countries). The number of downloads from the
MVAPICH site has crossed 650,000 (0.6 million).  The MVAPICH team
would like to thank all its users and organizations!!
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.cse.ohio-state.edu/pipermail/mvapich-discuss/attachments/20200109/01c756c6/attachment.html>


More information about the mvapich-discuss mailing list