Lattice QCD Applications on QPACE

Details Lattice QCD Applications on QPACE Lattice QCD Applications on QPACE

2011-03-07

arxiv.org/abs/1103.1363v1

Physics

High Energy Physics

High Energy Physics - Lattice

10 pages, 4 figures, accepted for presentation at ICCS 2011 (Tsukuba)

Scientific paper

QPACE is a novel massively parallel architecture optimized for lattice QCD simulations. A single QPACE node is based on the IBM PowerXCell 8i processor. The nodes are interconnected by a custom 3-dimensional torus network implemented on an FPGA. The compute power of the processor is provided by 8 Synergistic Processing Units. Making efficient use of these accelerator cores in scientific applications is challenging. In this paper we describe our strategies for porting applications to the QPACE architecture and report on performance numbers.

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