Download e-book for iPad: Supercomputing: 28th International Supercomputing by Wolfgang Eckhardt, Alexander Heinecke, Reinhold Bader,

By Wolfgang Eckhardt, Alexander Heinecke, Reinhold Bader, Matthias Brehm (auth.), Julian Martin Kunkel, Thomas Ludwig, Hans Werner Meuer (eds.)

ISBN-10: 3642387497

ISBN-13: 9783642387494

ISBN-10: 3642387500

ISBN-13: 9783642387500

This publication constitutes the refereed court cases of the twenty eighth foreign Supercomputing convention, ISC 2013, held in Leipzig, Germany, in June 2013. The 35 revised complete papers offered jointly have been rigorously reviewed and chosen from 89 submissions. The papers hide the subsequent themes: scalable functions with 50K+ cores; functionality advancements in algorithms; accelerators; functionality research and optimization; library improvement; management and administration of supercomputers; power potency; parallel I/O; grid and cloud.

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Get Supercomputing: 28th International Supercomputing PDF

This e-book constitutes the refereed lawsuits of the twenty eighth foreign Supercomputing convention, ISC 2013, held in Leipzig, Germany, in June 2013. The 35 revised complete papers offered jointly have been rigorously reviewed and chosen from 89 submissions. The papers conceal the subsequent subject matters: scalable purposes with 50K+ cores; functionality advancements in algorithms; accelerators; functionality research and optimization; library improvement; management and administration of supercomputers; power potency; parallel I/O; grid and cloud.

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2 (2012) 9. : Developing high-order weighted compact nonlinear schemes. J. Comput. Phys. 165, 22–44 (2000) 10. : Solving incompressible two-phase flows on multi-GPU clusters. Comput. & Fluids (2012) 11. : Characterization of unsteady flow structures near leading-edge slat: part I. PIV measurements. AIAA paper 20042801 (2004) 12. : High-order accurate methods for complex unsteady subsonic Flows. AIAA Journal 37, 1231–1239 (1999) 13. : A high-order compact finite difference scheme for large-eddy simulation of active flow control.

5 cluster), and the oldest Tesla C1060 GPU (used in the laohu cluster of 2009) - the latter is used as a normalization reference. We plot the speed ratio of our usual benchmarking simulation used in the previous figures, as a function of particle number. 5 Tflop/s. We have shown that our GPU clusters for the very favorable direct N -body application reach about one third of the theoretical peak speed sustained for a real application code with individual block time steps. 5 Conclusions We have presented exemplary implementation of parallel code using many graphical processing units as accelerators, so combining message passing parallelization with many-core parallelization and discussed their benchmarks using up to 1536 Fermi Tesla C2050 GPU’s with more than 700k GPU thread cores in parallel.

1 the sum is over directions μ, m is a quark mass parameter, Uxμ is the gauge link matrix connecting site x with its neighbor in the μ direction, and γμ are elements of a Dirac spin-algebra. The propagation of quarks in a gluon field is given by the Dirac equation: M ψ = χ where ψ and χ are spinors, which at each lattice site x are complex matrices carrying a spin index α ∈ [0, 1, 2, 3] and color index a ∈ [0, 1, 2]. Applying D to a spinor can be viewed as a nearest neighbour stencil operation.

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Supercomputing: 28th International Supercomputing Conference, ISC 2013, Leipzig, Germany, June 16-20, 2013. Proceedings by Wolfgang Eckhardt, Alexander Heinecke, Reinhold Bader, Matthias Brehm (auth.), Julian Martin Kunkel, Thomas Ludwig, Hans Werner Meuer (eds.)


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