QPACE 2 and Domain Decomposition on the Intel Xeon Phi

Paul Arts,Jacques Bloch,Peter Georg, Benjamin Glaessle,Simon Heybrock, Yu Komatsubara,Robert Lohmayer, Simon Mages,Bernhard Mendl,Nils Meyer,Alessio Parcianello,Dirk Pleiter, Florian Rappl, Mauro Rossi,Stefan Solbrig, Giampietro Tecchiolli,Tilo Wettig,Gianpaolo Zanier

arXiv (Cornell University)（2015）

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摘要

We give an overview of QPACE 2, which is a custom-designed supercomputer based on Intel Xeon Phi processors, developed in a collaboration of Regensburg University and Eurotech. We give some general recommendations for how to write high-performance code for the Xeon Phi and then discuss our implementation of a domain-decomposition-based solver and present a number of benchmarks.

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intel xeon phi,domain decomposition

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