The Open MPI Project is an open source Message Passing Interface implementation that is developed and maintained by a consortium of academic, research, and industry partners. Features implemented or in short-term development for Open MPI include: - Full MPI-3.1 standards conformance - Thread safety and concurrency - Dynamic process spawning - Network and process fault tolerance - Support 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 - High performance on all platforms - Portable and maintainable - Tunable by installers and end-users - Component-based design, documented APIs - Active, responsive mailing list - Open source license based on the BSD license