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QPACE 2 and Domain Decomposition on the Intel Xeon Phi
Published 13 Feb 2015 in cs.DC, hep-lat, and physics.comp-ph | (1502.04025v1)
Abstract: 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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