EAN: 9783642624865

HIGH PERFORMANCE COMPUTING IN SCIENCE AND ENGIN...

Prof. Dr. Egon Krause Aerodynamisches Institut RWTH Aachen Wullnerstr. zw. 5 u. 7  D-52062
Aachen Prof. Dr. Willi Jager Interdisziplinares Zentrum fur Wissenschaftliches Rechnen
Universitat Heidelberg 1m Neuenheimer Feld 368  D-69120 Heidelberg Prof. Dr. Michael Resch
Hi::ichstleistungsrechenzentrum Stuttgart Allmandring 30  D-70550 Stuttgart The
High-Performance Computing Center Stuttgart (HLRS) underwent dra matic changes during the last
year. At the beginning of 2003 the Center was separated from the Computing Center of Stuttgart
University and turned into an independent central unit of Stuttgart University. Last March the
Land Baden-Wurttemberg shaped up her strategy of cooperation and formed of a new Center of
Competence in High-Performance Computing in Baden Wurttemberg by aS80ciating HLR Stuttgart with
the SSC Karlsruhe. At the present time the HLRS is preparing its decision for a new computer
system to be planned to be operative in 2005. A safe decision is difficult to arrive at since
the offers of the vendors of high-performance computers are continuously and rather rapidly
changing. At the lower end the microprocessor based systems are attacked by clusters ofPCs. The
superior price-performance VI Preface ratio makes such rather inexpensive systems attractive
for a variety of appli cations  most of which are latency bound. At the upper end
microprocessor based systems are pressured by vector-based systems. The latter have seen a
revival nourishing on the success and political impact of the earth simulator project.

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