Performance Evaluation of Lattice-Boltzmann Magnetohydrodynamics Simulations on Modern Parallel Vector Systems

Jonathan Carter () and Leonid Oliker ()
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Jonathan Carter: NERSC/CRD, Lawrence Berkeley National Laboratory
Leonid Oliker: NERSC/CRD, Lawrence Berkeley National Laboratory

A chapter in High Performance Computing on Vector Systems, 2006, pp 41-50 from Springer

Abstract: Abstract The last decade has witnessed a rapid proliferation of superscalar cache-based microprocessors to build high-end computing (HEC) platforms, primarily because of their generality, scalability, and cost effectiveness. However, the growing gap between sustained and peak performance for full-scale scientific applications on such platforms has become major concern in high performance computing. The latest generation of custom-built parallel vector systems have the potential to address this concern for numerical algorithms with sufficient regularity in their computational structure. In this work, we explore two and three dimensional implementations of a lattice-Boltzmann magnetohydrodynamics (MHD) physics application, on some of today’s most powerful supercomputing platforms. Results compare performance between the the vector-based Cray X1, Earth Simulator, and newly-released NEC SX-8, with the commodity-based superscalar platforms of the IBM Power3, Intel Itanium2, and AMD Opteron. Overall results show that the SX-8 attains unprecedented aggregate performance across our evaluated applications.

Keywords: Lattice Boltzmann Method; Lawrence Berkeley National Laboratory; Lattice Boltzmann Model; Earth Simulator; Loop Body (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-35074-3_3

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DOI: 10.1007/3-540-35074-8_3

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