Nested parallelization of the flow solver TFS using the ParaWise parallelization environment

Authors:
Steve Johnson;Peter Leggett;Constantinos Ierotheou;Alexander Spiegel;Dieter An Mey;Ingolf Hörschler
Affiliations:
Parallel Software Products, London, UK;Parallel Software Products, London, UK and Parallel Processing Research group, University of Greenwich, London, UK;Parallel Processing Research group, University of Greenwich, London, UK;Center for Computing and Communication, RWTH Aachen University;Center for Computing and Communication, RWTH Aachen University;Institute for Aerodynamics, RWTH Aachen University
Venue:
IWOMP'05/IWOMP'06 Proceedings of the 2005 and 2006 international conference on OpenMP shared memory parallel programming
Year:
2005

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Abstract

The Navier-Stokes Solver TFS developed by the Institute of Aerodynamics of the RWTH Aachen University is currently used in a multidisciplinary project to simulate the air flow through the human nose. In order to reduce the runtime of the expensive computations the Para Wise/CAPO automatic parallelization environment has been used to assist in the nested OpenMP parallelization of the TFS multiblock code targeted at Sun Microsystems shared memory parallel systems. Further manual tuning improved the scalability of the OpenMP approach.