OMPi is a lightweight, open source OpenMP compiler and runtime system for C. It sports an architecture that allows experimentation with a multitude of threading libraries while offering highly competitive performance.

The OMPi compiler takes C source code with OpenMP #pragmas and produces transformed multithreaded C code, ready to be compiled by the native compiler of a system. An optimized library is linked in the produced executable, providing efficient runtime support. It has been tested on a variety of Linux, Solaris, Irix and Windows (Cygwin) machines and can be easily ported to any POSIX-compliant machine.

• » Documentation and relevant publications can be found in the Documentation page.
• » OMPi’s source code is available from the Download page.
• » Please contact us if you have questions, requests or bug reports.