Overview
Open MPI represents the merger between three well-known MPI implementations:
- FT-MPI from the University of Tennessee
- LA-MPI from Los Alamos National Laboratory
- LAM/MPI from Indiana University
with contributions from the PACX-MPI team at the University of Stuttgart. These four institutions comprise the founding members of the Open MPI development team.
The Open MPI developers selected these MPI implementations as excelling in one or more areas. Open MPI aims to use the best ideas and technologies from the individual projects and create one world-class open-source MPI implementation that excels in all areas. The Open MPI project specifies several top-level goals:
- to create a free, open source software, peer-reviewed, production-quality complete MPI-2 implementation
- to provide extremely high, competitive performance (low latency or high bandwidth)
- to involve the high-performance computing community directly with external development and feedback (vendors, 3rd party researchers, users, etc)
- to provide a stable platform for 3rd-party research and commercial development
- to help prevent the "forking problem" common to other MPI projects
- to support a wide variety of high-performance computing platforms and environments
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