Status and physics plan of the PACS-CS Project

Details Status and physics plan of the PACS-CS Project Status and physics plan of the PACS-CS Project

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006slft.confe..39u&link_type=abstract

Proceedings of the XXIVth International Symposium on Lattice Field Theory. July 23-28, 2006, Tucson, Arizona., p.39.1

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PACS-CS is a large-scale cluster system with a peak speed of 14.3Tflops for lattice QCD de- veloped at the Center for Computational Sciences, University of Tsukuba, as a successor to the CP-PACS computer. The system consist of 2560 nodes connected by a 16 ¢ 16 ¢ 10 three- dimensional hyper crossbar network. Each node has a single low-voltage 2.8GHz Xeon processor with 2GBytes of memory and an aggregate network bandwidth of 750MByte/sec. With PACS- CS, we plan to pursue the N f 2 ·1 dynamical simulation with the Wilson-clover quark action, lowering the up-down quark masses as much as possible using the domain-decomposition idea of Lüscher. The status of the machine as well as the physics plan is described.

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