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The Numerical Aerospace Simulation Facility (NAS) provides pathfinding research in large-scale computing solutions. "This information is kept for the handy reference of the NAS Parallel Tools team, and is made available here in the chance that it may be useful to others."
The Northeast Parallel Architectures Center (NPAC) is a research and development center focusing on modern computer science for both large-scale information and simulation applications. NPAC's technology approach is based on the assumption (assertion) that Web technology (software, interfaces, protocols, standards, and systems) represents the most powerful software base that has ever been developed. As it implements a general distributed computing model, this Web technology can be used for parallel computing and for both computing (simulation) and information related applications.
The OpenMP Application Program Interface (API) supports multi-platform shared-memory parallel programming in C/C++ and Fortran on all architectures, including Unix platforms and Windows NT platforms. Jointly defined by a group of major computer hardware and software vendors, OpenMP is a portable, scalable model that gives shared-memory parallel programmers a simple and flexible interface for developing parallel applications for platforms ranging from the desktop to the supercomputer.
Petri Nets is a formal and graphical appealing language which is appropriate for modelling systems with concurrency. Petri Nets has been under development since the beginning of the 60'ies, where Carl Adam Petri defined the language. It was the first time a general theory for discrete parallel systems was formulated. The language is a generalisation of automata theory such that the concept of concurrently occurring events can be expressed.
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