Abstract
We have developed a compilation system which extends High Performance Fortran (HPF) in various aspects. We support the parallelization of well‐structured problems with loop distribution and alignment directives similar to HPF′s data distribution directives. Such directives give both additional control to the user and simplify the compilation process. For the support of unstructured problems, we provide directives for dynamic data distribution through user‐defined mappings. The compiler also allows integration of message‐passing interface (MPI) primitives. The system is part of a complete programming environment which also comprises a parallel debugger and a performance monitor and analyzer. After an overview of the compiler, we describe the language extensions and related compilation mechanisms in detail. Performance measurements demonstrate the compiler′s applicability to a variety of application classes.
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