Just FYI... MPICH2 1.1a1 released yesterday supports MPI 2.1. Rajeev PS: external32 and user-defined data representations are not yet supported. They weren't supported for 2.0 either. -----Original Message----- From: owner-mpich2-announce_at_[hidden] [mailto:owner-mpich2-announce_at_[hidden]] On Behalf Of Pavan Balaji Sent: Monday, August 11, 2008 9:58 PM To: mpich2-announce_at_[hidden] Subject: [mpich2-announce] Announcing the availability of MPICH2-1.1a1 Hi all, A new release of MPICH2 (1.1a1) is available from http://www.mcs.anl.gov/research/projects/mpich2/downloads/tarballs/1.1a1/mpi ch2-1.1.0a1.tar.gz 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 1.0.x branch (currently 1.0.7). The major additions in the 1.1a1 release are highlighted below. (Windows binaries are also available on the project website: http://www.mcs.anl.gov/research/projects/mpich2). Regards, The MPICH2 Team -------------------------------------------------------------------------- Main changes in 1.1a1 ===================== # OVERALL: Added MPI 2.1 support. # OVERALL: Nemesis is now the default configuration channel with a completely new TCP communication module. # OVERALL: Support for BlueGene/P through the DCMF library (thanks to IBM for the patch). # OVERALL: Added dynamic processes support for Nemesis. # OVERALL: Added automatic as well as statically runtime configurable receive timeout variation for MPD (thanks to OSU for the patch). # ROMIO: Added support for MPI_Type_create_resized and MPI_Type_create_indexed_block datatypes in ROMIO. # Many other bug fixes, memory leak fixes and code cleanup. A full list of changes is available using: svn log -r813:HEAD https://svn.mcs.anl.gov/repos/mpi/mpich2/tags/release/mpich2-1.1.0a1 -------------------------------------------------------------------------- -- Pavan Balaji http://www.mcs.anl.gov/~balaji