[mvapich-discuss] Announcing the release of MVAPICH2 2.3rc2 and OMB 5.4.2

[Panda, Dhabaleswar]

The MVAPICH team is pleased to announce the release of MVAPICH2 2.3rc2 and
OMB 5.4.2.

Features and enhancements for MVAPICH2 2.3rc2 are as follows:

* Features and Enhancements (since 2.3rc1):
    - Based on MPICH v3.2.1
    - Enhanced small message performance for MPI_Alltoallv
    - Improve performance for host-based transfers when CUDA is enabled
    - Add architecture detection for IBM POWER9 CPUs
    - Enhance architecture detection for Intel Skylake CPUs
    - Enhance MPI initialization to gracefully handle RDMA_CM failures
    - Improve algorithm selection of several collectives
    - Enhance detection of the number and IP addresses of IB devices
    - Tested with CLANG v5.0.0

* Bug Fixes (since 2.3rc1):
    - Fix issue in autogen step with duplicate error messages
    - Fix issue with XRC connection establishment
    - Fix build issue with SLES 15 and Perl 5.26.1
        - Thanks to Matias A Cabral @Intel for the report and patch
    - Fix segfault when manually selecting collective algorithms
    - Fix cleanup of preallocated RDMA_FP regions at RDMA_CM finalize
    - Fix compilation warnings and memory leaks

New features, enhancements and bug fixes for OSU Micro-Benchmarks
(OMB) 5.4.2 are listed here.

* New Features & Enhancements
    - Add "-W --window-size" option to osu_bw and osu_bibw

* Bug Fixes
    - Fix issues with out of tree builds
        - Thanks to Adam Moody @LLNL for reporting the issue
    - Fix PGI and XLC builds by using the correct generated cpp files
    - Fix crash with osu_mbw_mr for large messages
    - Fix minor error in Makefile
    - Fix compilation warnings

For downloading MVAPICH2 2.3rc2, OMB 5.4.2 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 everyone that the number of organizations
using MVAPICH2 libraries (and registered at the MVAPICH site) has crossed
2,900 worldwide (in 86 countries). The number of downloads from the MVAPICH
site has crossed 465,000 (0.46 million).  The MVAPICH team would like to
thank all its users and organizations!!