High Performance Computing in Science and Engineering ' 05

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Prof. Dr. Wolfgang E. Nagel Zentrum fur Informationsdienste und Hochleistungsrechnen (ZIH) Technische Universit at Dresden Zellescher Weg 1214, 01169 Dresden, Germany Prof. Dr. Willi J ager Interdisziplin ares Zentrum fur Wissenschaftliches Rechnen (IWR) Universit at Heidelberg Im Neuenheimer Feld 368, 69120 Heidelberg, Germany Prof. Dr. -Ing. Michael Resch H ochstleistungsrechenzentrum Stuttgart (HLRS) Universit at Stuttgart Nobelstr. 19, 70569 Stuttgart, Germany Theyear2005hasbeenagreatyearforhighperformancecomputinginBaden- W urttemberg, and even beyond for all local states. In July, the new building fortheHLRSaswellasStuttgartsnewNECsupercomputerwhichisleading edge in Germany for quite some time have been inaugurated in an impr- sive celebration. Almost simultaneously, the SSC Karlsruhe is ?nalizing the installation of a very large high performance system complex from HP, built from many hundreds of Intel Itanium processors. Additionally, a fast network connection has been opened. With a bandwidth of 40 Gbit/s it is not only the ?rst installation of this kind in Germany, but it also brings the machine roomsofHLRSandSSCKarlsruheveryclosetogether. Finally,theUniversity Heidelberg especially the WiR has joined the Center for Competence in VI Preface High-Performance Computing in Baden-Wur ttemberg (HKZ-BW) to further strengthenthe aspects of computationalscience. With the investment ofmore than 60 Million Euro,we as the users of such a valuable infrastructure are not only thankful to science managers and politicians, but also to the people runningthesecomponentsaspartoftheir dailybusiness,ona24-7level. Most ofthetime,operatingleadingedgetechnologyisachallengeandrequiresmore personal dedication and commitment than usually can be expected.

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