Abstract
We present details of lattice QCD computations we are performing on the Cray XT series of computers, from BigBen – an XT3 hosted at the Pittsburgh Supercomputing Center (PSC) – through Jaguar (XT4) and Kraken (XT5) – which are hosted at the National Center for Computational Science (NCCS) and the National Institute of Computational Science (NICS), respectively, at Oak Ridge National Laboratory (ORNL). We discuss algorithmic tuning to make the computation more efficient and present some recent results.
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