High Performance Computing in Science and Engineering, Garching/Munich 2009

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The Leibniz Supercomputing Centre (LRZ) and the Bavarian Competence Network for Technical and Scientific High Performance Computing (KONWIHR) present results from numerical simulations conducted using the High Performance Computer System in Bavaria (HLRB II) over the past two years. These papers were showcased at the Fourth Joint HLRB and KONWIHR Review and Result Workshop in Garching on December 8th and 9th, 2009, and were selected from progress reports of projects utilizing HLRB II. A significant portion of the contributions focuses on computational fluid dynamics (CFD), condensed matter physics, astrophysics, chemistry, computer sciences, and high-energy physics. Notably, there has been a marked increase in the user community; for instance, papers in condensed matter physics rose from 6 to 12, and in high-energy physics from 2 to 5 since 2007. The biosciences field also saw growth, contributing four papers in 2009 compared to just one in 2007, highlighting the expanding application of supercomputers in diverse research areas. Additionally, 2007 was pivotal for LRZ, with a major upgrade to the SGI Altix 4700 supercomputer achieving over 62 TeraFLOPS and the establishment of the Gauss Centre for Supercomputing e. V. (GCS) on April 13th.