High Performance Computing in Science and Engineering, Garching/Munich 2009 [electronic resource] : Transactions of the Fourth Joint HLRB and KONWIHR Review and Results Workshop, Dec. 8-9, 2009, Leibniz Supercomputing Centre, Garching/Munich, Germany / edited by Siegfried Wagner, Matthias Steinmetz, Arndt Bode, Markus Michael Müller.