A Parallel Framework for Unstructured Grid Solvers

Le résumé fourni par la source

The aim of this work is to solve large two and three dimensional CFD problems using unstructured meshes. These problems are too large and too slow to put on sequential machines so parallel machines are required. Writing one off, machine specific parallel programs is time consuming, expensive and difficult to maintain. Consequently a general framework has been formulated to enable parallel and sequential execution of a single source FORTRAN 77 code. This is achieved via the straightforward insertion of OPlus library routine calls (Oxford Parallel Library for Unstructured Solvers). Hence, the user’s code can be developed, debugged and maintained on a sequential machine and executed in parallel when required. The OPlus interface provides a software platform for efficient execution of an application on a wide variety of parallel architectures. This generality and flexibility is derived from abstracting these application programs into sets, pointers between sets and functions defined over sets. This facilitates detailed runtime data dependency analysis.

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