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...nguage. In this work, we present MPI for Python, a new package enabling general applications to exploit multiple processors using standard MPI “look and feel” in Python scripts. 1.1 What is MPI? MPI, =-=[mpi-using]-=- [mpi-ref] the Message Passing Interface, is a standardized and portable message-passing system designed to function on a wide variety of parallel computers. The standard defines the syntax and semant...

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...the leading standard for message-passing libraries for parallel computers. Implementations are available from vendors of high-performance computers and from well known open source projects like MPICH =-=[mpi-mpich]-=-, Open MPI [mpi-openmpi] or LAM [mpilammpi]. 1.2 What is Python? Python is a modern, easy to learn, powerful programming language. It has efficient high-level data structures and a simple but effectiv...

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...es the syntax and semantics of library routines and allows users to write portable programs in the main scientific programming languages (Fortran, C, or C++). Since its release, the MPI specification =-=[mpi-std1]-=- [mpi-std2] has become the leading standard for message-passing libraries for parallel computers. Implementations are available from vendors of high-performance computers and from well known open sour...

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...uage for customizable applications. Python is an ideal candidate for writing the higher-level parts of large-scale scientific applications [Hinsen97] and driving simulations in parallel architectures =-=[Beazley97]-=- like clusters of PC’s or SMP’s. Python codes are quickly developed, easily maintained, and can achieve a high degree of integration with other libraries written in compiled languages. 1.3 Related Pro...

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...ted in C or C++. Python is also suitable as an extension language for customizable applications. Python is an ideal candidate for writing the higher-level parts of large-scale scientific applications =-=[Hinsen97]-=- and driving simulations in parallel architectures [Beazley97] like clusters of PC’s or SMP’s. Python codes are quickly developed, easily maintained, and can achieve a high degree of integration with ...