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OpenMPOverviewOpenMP is one of the emerging standards in shared memory programming. It has a simple API composed of a small set of runtime library routines, compiler directives and environment variables to achieve multi-threaded shared memory parallelism in C/C++ and Fortran codes. OpenMP is a standard that is maintained by the OpenMP Architecture Review Board which consists of a number hardware and software vendors. It's simple interface quickly allows codes to be parallelised gaining decent scalability on small numbers of processors. Restrictions on UseNot all the OpenMP 2 features are in the compilers available on our system, for instance the workshare directive is not available on Newton. Set Up ProcedureLibrary calls and/or compiler directives are been
inserted into the code and are then activated by inclusion of the Running the Code Codes should then be run as serial codes with the
environment variable Further InformationFurther information is available at:
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Page maintained by csar-advice@cfs.ac.uk This page last updated: Tuesday, 24-Aug-2004 09:15:33 BST |