[ofa-general] Announcing the Release of MVAPICH2 1.4RC1

[Dhabaleswar Panda]

The MVAPICH team is pleased to announce the release of MVAPICH2 1.4RC1
with the following NEW features:

- MPI 2.1 standard compliant

- Based on MPICH2 1.0.8p1

- Dynamic Process Management (DPM) Support with mpirun_rsh and MPD
   - Available for OpenFabrics (IB) interface

- Support for eXtended Reliable Connection (XRC)
   - Available for OpenFabrics (IB) interface

- Kernel-level single-copy intra-node communication support based on
  LiMIC2
   - Delivers superior intra-node performance for medium and
     large messages
   - Available for all interfaces (IB, iWARP and uDAPL)

- Enhancement to mpirun_rsh framework for faster job startup
  on large clusters
   - Hierarchical ssh to nodes to speedup job startup
   - Available for OpenFabrics (IB and iWARP), uDAPL interfaces
     (including Solaris) and the New QLogic-InfiniPath interface

- Scalable checkpoint-restart with mpirun_rsh framework
- Checkpoint-restart with intra-node shared memory (kernel-level with
  LiMIC2) support
   - Available for OpenFabrics (IB) Interface

- K-nomial tree-based solution together with shared memory-based
  broadcast for scalable MPI_Bcast operation
   - Available for all interfaces (IB, iWARP and uDAPL)

- Native support for QLogic InfiniPath
   - Provides support over PSM interface

This release also contains multiple bug fixes since MVAPICH2-1.2p1. A
summary of the major fixes are as follows:

  - Changed parameters for iWARP for increased scalability

  - Fix error with derived datatypes and Put and Accumulate operations

  - Unregister stale memory registrations earlier to prevent
    malloc failures

  - Fix for compilation issues with --enable-g=mem and --enable-g=all

  - Change dapl_prepost_noop_extra value from 5 to 8 to prevent
    credit flow issues

  - Re-enable RGET (RDMA Read) functionality

  - Fix SRQ Finalize error

  - Fix a multi-rail one-sided error when multiple QPs are used

  - PMI Lookup name failure with SLURM

  - Port auto-detection failure when the 1st HCA did
    not have an active failure

  - MPE support for shared memory collectives now available

For downloading MVAPICH2 1.4RC1, 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