Open MPI is a project combining technologies and resources from several other projects (FT-MPI, LA-MPI, LAM/MPI, and PACX-MPI) in order to build the best MPI library available.
A completely new MPI-2 compliant implementation, Open MPI offers advantages for system and software vendors, application developers and computer science researchers.
The organizations (and newly-combined projects) contributing to Open MPI are Indiana University (LAM/MPI), the University of Tennessee (FT-MPI), and Los Alamos National Laboratory (LA-MPI).
Additional collaborators are at Sandia National Laboratories and the High Performance Computing Center at Stuttgart. These developers bring many years of combined experience to the project.
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Here are some key features of "Open MPI":
· Full MPI-2 standards conformance
· Thread safety and concurrency
· Dynamic process spawning
· High performance on all platforms
· Reliable and fast job management
· Network and process fault tolerance
· Support data and network heterogeneity
· Single library supports all networks
· Run-time instrumentation
· Many job schedulers supported
· Many OS's supported (32 and 64 bit)
· Production quality software
· Portable and maintainable
· Tunable by installers and end-users
· Extensive user and installer guides
· Internationalized error messages
· Component-based design, documented APIs
· CPAN-like tool for component management
· Active, responsive mailing list
· Open source license based on the BSD license
What's New in This Release: [ read full changelog ]
· This version adds the missing "affinity" MPI extension (i.e. the OMPI_Affinity_str() API) that was accidentally left out of the 1.5.2 release.
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