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With this second issue of "High Performance Computing on Vector Systems ~ Proceedings of the High Performance Computing Center Stuttgart" we con­ tinue our publication of most recent results in high performance computing and innovative architecture. Together with our book series on "High Perfor­ mance Computing in Science and Engineering'06 - Transactions of the High Performance Computing Center Stuttgart" this book gives an overview of the most recent developments in high performance computing and its use in scientific and engineering applications. This second issue covers presentations and papers given by scientists in two workshops held at Stuttgart and Tokyo in spring and summer 2006. These workshops are held as part of a collaboration of NEC and HLRS in the "T- aflop Workbench Project" and many of the papers stem from users of the large NEC SX~8 vector systems installed at Stuttgart. At the forefront of research has been the question of how to achieve a high level of sustained performance on vector supercomputers.

High performance computing --- Vector processing (Computer science) --- Processing, Vector (Computer science) --- Mathematics. --- Chemoinformatics. --- Microprocessors. --- Computer mathematics. --- Physics. --- Computational Science and Engineering. --- Processor Architectures. --- Computer Applications in Chemistry. --- Numerical and Computational Physics. --- Electronic data processing --- Computer science. --- Chemistry. --- Numerical and Computational Physics, Simulation. --- Physical sciences --- Informatics --- Science --- Minicomputers --- Computer mathematics --- Mathematics --- Natural philosophy --- Philosophy, Natural --- Dynamics --- Chemical informatics --- Chemiinformatics --- Chemoinformatics --- Chemistry informatics --- Chemistry --- Information science --- Computational chemistry --- Data processing

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With the advent of multi-core processors, implementing parallel programming methods in application development is absolutely necessary in order to achieve good performance. Soon, 8-core and possibly 16-core processors will be available, even for desktop machines. To support application developers in the various tasks involved in this process, several different tools need to be at his or her disposal. This workshop will give the users an overview of the existing tools in the area of integrated development environments for clusters, various parallel debuggers, and new-style performance analysis tools, as well as an update on the state of the art of long-term research tools, which have advanced to an industrial level. The proceedings of the 2nd Parallel Tools Workshop guide participants by providing a technical overview to help them decide upon which tool suits the requirements for the development task at hand. Additionally, through the hands-on sessions, the workshop will enable the user to immediately deploy the tools.

High performance computing --- Parallel programming (Computer science) --- Computer programming --- Parallel processing (Electronic computers) --- Information theory. --- Software engineering. --- Computer network architectures. --- Engineering. --- Theory of Computation. --- Software Engineering/Programming and Operating Systems. --- Computer System Implementation. --- Complexity. --- Construction --- Industrial arts --- Technology --- Architectures, Computer network --- Network architectures, Computer --- Computer architecture --- Computer software engineering --- Engineering --- Communication theory --- Communication --- Cybernetics --- Computers. --- Architecture, Computer. --- Computational complexity. --- Complexity, Computational --- Electronic data processing --- Machine theory --- Architecture, Computer --- Automatic computers --- Automatic data processors --- Computer hardware --- Computing machines (Computers) --- Electronic brains --- Electronic calculating-machines --- Electronic computers --- Hardware, Computer --- Computer systems --- Calculators --- Cyberspace

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This book presents the state-of-the-art in simulation on supercomputers. Leading researchers present results achieved on systems of the High Performance Computing Center Stuttgart (HLRS) for the year 2012. The reports cover all fields of computational science and engineering ranging from CFD via computational physics and chemistry to computer science with a special emphasis on industrially relevant applications. Presenting results for both vector-systems and micro-processor based systems the book allows to compare performance levels and usability of various architectures. As HLRS operates not only a large cluster system but also one of the largest NEC vector systems in the world this book gives an excellent insight also into the potential of vector systems. The book covers the main methods in high performance computing. Its outstanding results in achieving highest performance for production codes are of particular interest for both the scientist and the engineer. The book comes with a wealth of coloured illustrations and tables of results.

Computersimulation. --- Engineering -- Data processing -- Congresses. --- High performance computing -- Germany -- Congresses. --- Numerische Mathematik. --- Science -- Data processing -- Congresses. --- Mathematics --- Physical Sciences & Mathematics --- Mathematics - General --- High performance computing. --- Computer-aided engineering. --- CAE --- HPC (Computer science) --- Mathematics. --- Chemistry, Physical and theoretical. --- Computer mathematics. --- Physics. --- Applied mathematics. --- Engineering mathematics. --- Computational Science and Engineering. --- Theoretical, Mathematical and Computational Physics. --- Appl.Mathematics/Computational Methods of Engineering. --- Theoretical and Computational Chemistry. --- Engineering --- Electronic data processing --- Cyberinfrastructure --- Supercomputers --- Data processing --- Computer science. --- Chemistry. --- Mathematical and Computational Engineering. --- Informatics --- Science --- Physical sciences --- Engineering analysis --- Mathematical analysis --- Mathematical physics. --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Chemistry --- Physical mathematics --- Physics --- Computer mathematics

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The discussions and plans on all scienti?c, advisory, and political levels to realize an even larger “European Supercomputer” in Germany, where the hardware costs alone will be hundreds of millions Euro – much more than in the past – are getting closer to realization. As part of the strategy, the three national supercomputing centres HLRS (Stuttgart), NIC/JSC (Julic ¨ h) and LRZ (Munich) have formed the Gauss Centre for Supercomputing (GCS) as a new virtual organization enabled by an agreement between the Federal Ministry of Education and Research (BMBF) and the state ministries for research of Baden-Wurttem ¨ berg, Bayern, and Nordrhein-Westfalen. Already today, the GCS provides the most powerful high-performance computing - frastructure in Europe. Through GCS, HLRS participates in the European project PRACE (Partnership for Advances Computing in Europe) and - tends its reach to all European member countries. These activities aligns well with the activities of HLRS in the European HPC infrastructure project DEISA (Distributed European Infrastructure for Supercomputing Appli- tions) and in the European HPC support project HPC-Europa. Beyond that, HLRS and its partners in the GCS have agreed on a common strategy for the installation of the next generation of leading edge HPC hardware over the next ?ve years. The University of Stuttgart and the University of Karlsruhe have furth- more agreed to bundle their competences and resources.

Engineering --Data processing --Congresses. --- High performance computing --Germany --Congresses. --- Science --Data processing --Congresses. --- High performance computing --- Science --- Engineering --- Mathematics - General --- Sciences - General --- Mathematics --- Physical Sciences & Mathematics --- Data processing --- HPC (Computer science) --- Mathematics. --- Chemistry, Physical and theoretical. --- Computer science --- Computer mathematics. --- Physics. --- Computational Mathematics and Numerical Analysis. --- Theoretical and Computational Chemistry. --- Mathematics of Computing. --- Theoretical, Mathematical and Computational Physics. --- Electronic data processing --- Cyberinfrastructure --- Supercomputers --- Chemistry. --- Computer science. --- Informatics --- Physical sciences --- Computer mathematics --- Discrete mathematics --- Computer science—Mathematics. --- Mathematical physics. --- Physical mathematics --- Physics --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Chemistry