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An Inspector/Executor Based Strategy to Efficiently Parallelize N-Body Simulation Programs on Shared Memory Systems

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5 Author(s)
Lorenzo, J.A. ; Univ. de Santiago de Compostela, Santiago de Compostela ; Albin, J.L. ; Pena, T.F. ; Rivera, F.F.
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Reordering of data is becoming more and more significant in order to achieve a higher performance in memory data access and, particularly, in program runtime. This fact becomes specially important in parallel applications that are executed in shared memory systems. This work presents a new parallelizing, run time strategy for irregular structures associated to N-Body problem simulation algorithms. Such strategy, so-called STPCLS (Step Classification), is based on the inspector-executor paradigm. It has been tested in a shared memory system using a significant set of irregular loops. The outcomes show that the efficiency of our solution is high, and the benefits overcome the overheads imposed by our algorithm.

Published in:

Parallel and Distributed Computing, 2007. ISPDC '07. Sixth International Symposium on

Date of Conference:

5-8 July 2007

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