LAM/MPI

7.1.4 BSD License    
  UNRATED

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LAM/MPI is an implementation of the Message Passing Interface (MPI) parallel standard that is especially friendly to clusters.

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LAM/MPI is an implementation of the Message Passing Interface (MPI) parallel standard that is especially friendly to clusters. It includes a persistent runtime environment for parallel programs, support for all of MPI-1, and a good chunk of MPI-2, such as all of the dynamic functions, C bindings, one-way communication and MPI-IO.

LAM/MPI is now in a maintenance mode. Bug fixes and critical patches are still being applied, but little real "new" work is happening in LAM/MPI. This is a direct result of the LAM/MPI Team spending the vast majority of their time working on our next-generation MPI implementation -- Open MPI.

Although LAM is not going to go away any time soon (we certainly would not abondon our user base!) -- the web pages, user lists, and all the other resources will continue to be available indefinitely -- we would encourage all users to try migrating to Open MPI. Since it's an MPI implementation, you should be able to simply recompile and re-link your applications to Open MPI -- they should "just work." Open MPI contains many features and performance enhancements that are not available in LAM/MPI.

What's New in This Release:

Man page cleanups.
Fixes for when tkill is not in the default location.
A fix for hangs in 64-bit builds on Mac OS X systems.
Localhost searches have changed to 127.0.0.0/8.
Support for Fortran types MPI_REAL{4,8,16} for predefined floating point operations.
A compile error in "ib" RPI, a problem with MPI_COMM_ACCEPT on Fedora Core 4, name clashes with FreeBSD symbols, Cygwin installation symlinks, an issue with hostfile comments, and Totalview shared object support on OS X have been fixed.
The restart logic in the "self" CR module has been cleaned up.
A lot of checkpoint/restart documentation has been added.
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Last updated on February 15th, 2007

#message parsing #parsing interface #cluster support #LAM #MPI #message #parsing

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