Extreme Scaling of Lattice Quantum Chromodynamics

David Brayford; Momme Allalen; Volker Weinberg

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Extreme Scaling of Lattice Quantum Chromodynamics

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arxiv 1310.5839 v1 pith:MOHI4KMS submitted 2013-10-22 cs.DC cs.PFhep-latphysics.comp-ph

David Brayford , Momme Allalen , Volker Weinberg This is my paper · ORCID

classification cs.DCcs.PFhep-latphysics.comp-ph

keywords coreslatticescalingableapplicationapplicationsbqcdchallenges

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As the complexity and size of challenges in science and engineering are continually increasing, it is highly important that applications are able to scale strongly to very large numbers of cores (>100,000 cores) to enable HPC systems to be utilised efficiently. This paper presents results of strong scaling tests performed with an MPI only and a hybrid MPI + OpenMP version of the Lattice QCD application BQCD on the European Tier-0 system SuperMUC at LRZ.

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