[mpich2-announce] Announcing the availability of mpich2-1.5a1

Dave Goodell goodell at mcs.anl.gov
Tue Nov 15 13:51:51 CST 2011

A new release of MPICH2 (1.5a1) is available from http://www.mcs.anl.gov/research/projects/mpich2/downloads/index.php?s=downloads

This is a feature-preview release. MPICH2 developers, testers and other
advanced users are encouraged to try this release out and let us know if
you encounter any problems. This release is not intended for production
systems at this time; such systems should continue to use the latest
release from the 1.4.x branch (currently 1.4.1p1).

The major additions in the 1.5a1 release are highlighted below.

(Windows binaries are not available at this time)

The MPICH2 Team

                               Changes in 1.5

 # MPI-3: the new MPI-3 nonblocking collectives functions are now available as
   "MPIX_" functions (e.g. "MPIX_Ibcast").

 # MPI-3: the new MPI-3 MPI_Comm_split_type function is now available
   as an "MPIX_" function.

 # Build system: Completely revamped build system to rely fully on

 # PM/PMI: Upgrade hwloc to 1.3.

 # JUMPSHOT: added new support so jumpshot can handle slog2 file with couple
   thousand timelines.  Added navigation support to locate chosen drawable's
   ends when viewport has been scrolled far from the drawable.  Improved
   performance for wide slog2 file (with thousand timelines).

 # Several other minor bug fixes, memory leak fixes, and code cleanup.
   A full list of changes is available using:

     svn log -r8478:HEAD https://svn.mcs.anl.gov/repos/mpi/mpich2/tags/release/mpich2-1.5a1

     ... or at the following link:


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