[mvapich-discuss] Announcing the Release of MVAPICH2 1.5RC2

Dhabaleswar Panda panda at cse.ohio-state.edu
Tue Jun 22 00:14:12 EDT 2010


The MVAPICH team is pleased to announce the release of MVAPICH2 1.5RC2
with the following NEW features and bug-fixes:

MVAPICH2-1.5-RC2 (06/21/10)

* Features and Enhancements (since 1.5-RC1)

    - Support for hwloc library (1.0.1) for defining CPU affinity
    - Deprecating older PLPA support for defining CPU affinity
      with HWLOC
    - Efficient CPU binding policies (bunch and scatter) to
      specify CPU binding per job for modern multi-core platforms
    - New flag in mpirun_rsh to execute tasks with different group IDs
    - Enhancement to the design of Win_complete for RMA operations
    - Flexibility to support variable number of RMA windows
    - Support for Intel iWARP NE020 adapter


* Bug fixes (since 1.5-RC1)

    - Compilation issue with the ROMIO adio-lustre driver, thanks
      to Adam Moody of LLNL for reporting the issue
    - Allowing checkpoint-restart for large-scale systems
    - Correcting a bug in clear_kvc function. Thanks to T J (Chris) Ward,
      IBM Research, for reporting and providing the resolving patch
    - Shared lock operations with RMA with scatter process distribution.
      Thanks to Pavan Balaji of Argonne for reporting this issue
    - Fix a bug during window creation in uDAPL
    - Compilation issue with --enable-alloca, Thanks to E. Borisch,
      for reporting and providing the patch
    - Improved error message for ibv_poll_cq failures
    - Fix an issue that prevents mpirun_rsh to execute programs without
      specifying the path from directories in PATH
    - Fix an issue of mpirun_rsh with Dynamic Process Migration (DPM)
    - Fix for memory leaks (both CH3 and Nemesis interfaces)
    - Updatefiles correctly update LiMIC2
    - Several fixes to the registration cache
      (CH3, Nemesis and uDAPL interfaces)
    - Fix to multi-rail communication
    - Fix to Shared Memory communication Progress Engine
    - Fix to all-to-all collective for large number of processes

For downloading MVAPICH2 1.5RC2, associated user guide and accessing
the SVN, please visit the following URL:

http://mvapich.cse.ohio-state.edu

All feedbacks, including bug reports and hints for performance tuning,
patches and enhancements are welcome. Please post it to the
mvapich-discuss mailing list.

Thanks,

The MVAPICH Team




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