SCHEDULE: NOV 12-18, 2011

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Performance-Studies of a Molecular Dynamics Code

SESSION: Research Poster Reception

EVENT TYPE: ACM Student Research Competition Poster, Poster, Electronic Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR: Bernd Mohr

AUTHOR(S):Thomas William, Matthias Weber, Denny Röhrig

ROOM:WSCC North Galleria 2nd/3rd Floors

ABSTRACT:
A molecular dynamics code simulating the diffusion in dense nuclear matter in white dwarf stars is analyzed in this collaboration between PTI (Indiana University) and ZIH (Technische Universität Dresden). The code is highly configurable allowing MPI, OpenMP, or hybrid runs and additional fine tuning with a range of parameters. The first step in the code analysis is to identify the best performing parameter set of the serial version. This configuration represents the most promising candidate for further studies. Aim of the parallel analysis is then to measure the scalability limits of the different parallel code implementations and to detect bottlenecks possibly preventing higher parallel efficiency. This work has been done with the parallel analysis framework Vampir.

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Thomas William - Technical University Dresden

Matthias Weber - Technical University Dresden

Denny Röhrig - Technical University Dresden

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