QPACE 2 and Domain Decomposition on the Intel Xeon Phi

@article{Arts2015QPACE2A,
  title={QPACE 2 and Domain Decomposition on the Intel Xeon Phi},
  author={P. Arts and J. Bloch and Peters Georg and B. Glaessle and S. Heybrock and Yusuke Komatsubara and R. Lohmayer and S. Mages and Bernhard Mendl and N. Meyer and Alessio Parcianello and D. Pleiter and Florian Rappl and M. Rossi and S. Solbrig and G. Tecchiolli and T. Wettig and G. Zanier},
  journal={ArXiv},
  year={2015},
  volume={abs/1502.04025}
}
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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