[mvapich] Announcing the release of MVAPICH 0.9.4 + sample performance numbers

[Dhabaleswar Panda]

You are receiving this e-mail because of your interest in the MPI over
InfiniBand package, developed in the Network-Based Computing
Laboratory at the Ohio State University.

This is to announce the release of MVAPICH 0.9.4 for multiple
platforms (EM64T, G5, IA-32, IA-64, and Opteron) and network
interfaces (PCI-X and PCI-Express).

Starting with this 0.9.4 release, MVAPICH is being distributed as a
single integrated package (with the latest MPICH 1.2.6 and MVICH). It
can be downloaded with a `single click' and installed. It is also
available under BSD license.

This new release has the following features:

      - optimized point-to-point support
      - reliable MPI broadcast support with IBA hardware-based
        multicast (arbitrary message length)
      - RDMA-based Barrier and All-to-all 
      - MPD support for scalable job startup
      - optimized and tuned for the above platforms and different 
        network interfaces (PCI-X and PCI-Express)
      - single code base for all of the above platforms

Other features of this release include:

- Excellent performance: MVAPICH 0.9.4 delivers 4.0 microsec latency
  (3.86 microsec without the switch), up to 971 MB/sec unidirectional 
  bandwidth, and up to 1878 MB/sec bidirectional bandwidth on EM64T 
  system with PCI-Express. Detailed performance numbers for other 
  platforms are available on the project's web page. 

- A detailed `User Guide' to assist users to install this package on
  different platforms with different options.

- A detailed `Performance Tuning Guide' to vary different parameters
  of the MPI installation to extract maximum performance and achieve
  scalability, especially on large-scale systems.

In the next few weeks, we plan to release MVAPICH 0.9.5 with
multi-rail support (including multiple ports and multiple HCAs).  This
version is currently delivering excellent performance: up to 1495
MB/sec unidirectional bandwidth and up to 2720 MB/sec bidirectional
bandwidth on EM64T system with PCI-Express.

In the next few weeks, we also plan to release MVAPICH2 (0.6.0) with
the latest MPICH2 0.97p2 and one-sided support.

You are welcome to download the MVAPICH 0.9.4 package and access
relevant information from the following URL:

http://nowlab.cis.ohio-state.edu/projects/mpi-iba/

All feedbacks, including bug reports and hints for performance tuning,
are welcome. Please send an e-mail to mvapich-help@cis.ohio-state.edu.

Thanks, 

MVAPICH Team at OSU/NBCL 

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