[Mvapich] Announcing the release of MVAPICH 3.0 GA

[Subramoni, Hari]

The MVAPICH team is pleased to announce the release of MVAPICH 3.0 GA.



The major features and enhancements available in MVAPICH 3.0 GA are as follows:



* Features and Enhancements (since 2.3.7):

    - Name changed from MVAPICH2 to MVAPICH

    - Based on MPICH 3.4.3

    - Added support for the ch4:ucx and ch4:ofi devices

        * Support for MVAPICH enhanced collectives over OFI and UCX

    - Enhanced MVAPICH-based designs for intra-node communication operations

        * Supports using shared-memory/kernel-based protocols for different

          message sizes

        * Supports using UCX/OFI for inter-node and MVAPICH-based shared-memory

          for intra-node communication operations

    - Added support for the Cray Slingshot 11 interconnect over OFI

        - Supports Cray Slingshot 11 network adapters

    - Added support for the Cornelis OPX library over OFI

        - Supports Intel Omni-Path adapters

    - Added support for the Intel PSM3 library over OFI

        - Supports Intel Columbiaville network adapters

    - Added support for IB verbs over UCX

        - Supports IB and RoCE network adapters

    - Unified MVAPICH environment variables with the MPICH CVAR interface

    - Disabled ch3:mrail device

    - Removed ch3:psm device

    - Re-implemented MPI_T PVAR support



* Bug Fixes (since 2.3.7):

    - Fixed error in Slurm startup using PMI1

        - Thanks to Christof Kahler @Universitaet Bremen for the report

    - Fixed segfault in bespoke CPU mapping

        - Thanks to Brian Smith and James Erwin @Cornelis for the report

    - Fixed validation issue in MPI_Gather with MPICH gather test for cyclic

      Hostfile



For downloading MVAPICH 3.0 GA 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<mailto:mvapich-discuss at lists.osu.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 3,375 worldwide (in 91 countries). The number of downloads from the MVAPICH site has crossed 1,760,000 (1.76 million).  The MVAPICH team would like to thank all its users and organizations!!


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