LAM/MPI version 6.5 released

Notre Dame 02 April 2001 The Laboratory for Scientific Computing at the University of Notre Dame did release LAM/MPI version 6.5. The software package is a portable, open source implementation of the Message Passing Interface (MPI) standard on Linux It contains a full implementation of the MPI-1 standard and much of the MPI-2 standard.

New features in LAM/MPI 6.5 include:

  • Man pages for all MPI-1 and MPI-2 functions
  • Made LAM aware of PBS so that the same user can have multiple LAM universes on the same host simultaneously
  • New SMP-aware "mpirun" command line syntax and boot schema syntax for "lamboot"
  • Added finer grain control via an MPI_Info key for MPI_COMM_SPAWN
  • Shared library support on all platforms that GNU libtool supports
  • Revamped the build process; now uses GNU automake
  • Full support for VPATH builds
  • The lamboot and recon commands are noticably faster
  • New "lamhalt" command to quickly shut down the LAM run time environment
  • New "lamnodes" command to retrieve hostnames from nX and cX nomenclature
  • Added MPI_ALLOC_MEM and MPI_FREE_MEM, mainly in anticipation of Myrinet and VIA support
  • Added "-s" option to lamboot to allow "rsh somenode lamboot -s hostfile" to allow rsh to terminate
  • Expanded many error messages to be more descriptive and generally user-friendly
  • Updated MPI 2 C++ bindings distribution
  • Updated and patched ROMIO distribution
  • Added syslog messages (for debugging) to the run-time environment on remote nodes

XMPI 2.2 will not work with LAM/MPI 6.5. A new version of XMPI will be released soon that will include support for LAM 6.5.

The full source code for LAM/MPI is available for download.

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