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Author: John von Neumann-Institut für Computing Symposium
Publisher:
ISBN:
Category : Computer simulation
Languages : en
Pages : 538
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Book Description
Author: John von Neumann-Institut für Computing Symposium
Publisher:
ISBN:
Category : Computer simulation
Languages : en
Pages : 538
Get Book
Book Description
Author: John-von-Neumann-Institut für Computing (Jülich)
Publisher: Forschungszentrum Jülich
ISBN: 3893366067
Category :
Languages : en
Pages : 411
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Book Description
Author: Dominik Göddeke
Publisher: Logos Verlag Berlin GmbH
ISBN: 3832527680
Category : Computers
Languages : en
Pages : 300
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Book Description
This dissertation demonstrates that graphics processors (GPUs) as representatives of emerging many-core architectures are very well-suited for the fast and accurate solution of large, sparse linear systems of equations, using parallel multigrid methods on heterogeneous compute clusters. Such systems arise for instance in the discretisation of (elliptic) partial differential equations with finite elements. Fine-granular parallelisation techniques and methods to ensure accuracy are developed that enable at least one order of magnitude speedup over highly-tuned conventional CPU implementations, without sacrificing neither accuracy nor functionality.
Author: K. Binder,
Publisher: Forschungszentrum Jülich
ISBN: 3893369333
Category :
Languages : en
Pages : 453
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Book Description
Author: Michael Bader
Publisher: Springer Science & Business Media
ISBN: 364231046X
Category : Computers
Languages : en
Pages : 285
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Book Description
The present book provides an introduction to using space-filling curves (SFC) as tools in scientific computing. Special focus is laid on the representation of SFC and on resulting algorithms. For example, grammar-based techniques are introduced for traversals of Cartesian and octree-type meshes, and arithmetisation of SFC is explained to compute SFC mappings and indexings. The locality properties of SFC are discussed in detail, together with their importance for algorithms. Templates for parallelisation and cache-efficient algorithms are presented to reflect the most important applications of SFC in scientific computing. Special attention is also given to the interplay of adaptive mesh refinement and SFC, including the structured refinement of triangular and tetrahedral grids. For each topic, a short overview is given on the most important publications and recent research activities.
Author: Dieter Kranzlmüller
Publisher: Springer
ISBN: 3540302182
Category : Computers
Languages : en
Pages : 458
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Book Description
The message passing paradigm is the most frequently used approach to develop high-performancecomputing applications on paralleland distributed computing architectures. Parallel Virtual Machine (PVM) and Message Passing Interface (MPI) are the two main representatives in this domain. This volume comprises 50 selected contributions presented at the 11th - ropean PVM/MPI Users’ Group Meeting, which was held in Budapest, H- gary, September 19–22, 2004. The conference was organized by the Laboratory of Parallel and Distributed Systems (LPDS) at the Computer and Automation Research Institute of the Hungarian Academy of Sciences (MTA SZTAKI). The conference was previously held in Venice, Italy (2003), Linz, Austria (2002), Santorini, Greece (2001), Balatonfu ̈red, Hungary (2000), Barcelona, Spain (1999), Liverpool, UK (1998), and Krakow,Poland (1997).The ?rst three conferences were devoted to PVM and were held in Munich, Germany (1996), Lyon, France (1995), and Rome, Italy (1994). In its eleventh year, this conference is well established as the forum for users and developers of PVM, MPI, and other messagepassing environments.Inter- tionsbetweenthesegroupshaveprovedtobeveryusefulfordevelopingnewideas in parallel computing, and for applying some of those already existent to new practical?elds.Themaintopicsofthe meeting wereevaluationandperformance of PVM and MPI, extensions, implementations and improvements of PVM and MPI, parallel algorithms using the message passing paradigm, and parallel - plications in science and engineering. In addition, the topics of the conference were extended to include cluster and grid computing, in order to re?ect the importance of this area for the high-performance computing community.
Author: C. Borrego
Publisher: Springer Science & Business Media
ISBN: 9780306484643
Category : Medical
Languages : en
Pages : 698
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Book Description
This volume seeks to cover the latest scientific developments in the field of air pollution modeling. It contains papers and posters presented at the 26th NATO/CCMS International Technical Meeting on Air Pollution Modelling and Its Application held in Istanbul Technical University, Turkey, May 2003. Major topics covered include: the role of atmospheric models in air pollution policy and abatement strategies (air quality, risk assessment, emergency responses). Integrated regional modelling (local and urban effects, mesoscale phenomena, regional modelling, one and two way nesting, application of existing models). Global and long-range transport (synoptic, hemispheric & global scales, application of existing models). Aerosols as atmospheric contaminants (human exposure and health effects, direct and indirect climate effects, visibility reduction). New developments (microscale to global scale, new models, new extensions to existing models, inverse modelling, data assimilation). Model assessment and verification (model assessment, design of field experiments, use of on-site meteorological data, limits to predictability). Applications of new concepts in different regions of the world are also presented. The domain of the modeling covers all geographical sizes from global down to regional, local, urban and canyon sizes.
Author: Erol Gelenbe
Publisher: CRC Press
ISBN: 100065768X
Category : Computers
Languages : en
Pages : 439
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Book Description
Papers from an October 2002 symposium describe research in areas including algorithms, artificial intelligence, computer graphics, computer networks, databases, evolutionary computation, graph theory, image processing, multimedia technology, software engineering, and software performance engineering
Author: Georges H. Wagnière
Publisher: John Wiley & Sons
ISBN: 3906390608
Category : Science
Languages : en
Pages : 256
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Book Description
Until half a century ago, it was assumed that the forces of nature were symmetric and that they did not distinguish between right and left, between image and mirror image. The discovery of the violation of parity in 1956 was more than a sensation, for some it was a shock. It implied that the universe displays handedness, or chirality, and that it is fundamentally asymmetric. Remarkably, a most striking asymmetry is encountered in the realm of biology. Living organisms contain proteins built almost exclusively from L-amino acids, and nucleic acids derived from D-sugars only. Yet a mirror-image biochemistry, based on D-amino acids and L-sugars is, from a purely chemical standpoint, entirely conceivable. Where, then, does this extraordinary natural selectivity come from? Is it directly, or indirectly, connected to the universal violation of parity? This book is meant as a brief review of the various manifestations of handedness, or chirality, in the universe. It does not attempt to present a solution to basic questions which perhaps will never be unambiguously and conclusively answered. Rather, it is an excursion through nature, to observe and recognize how the chirality manifests itself at different structural levels. The excursion starts in the chemistry and physics laboratory. Then a journey into outer space and back in time is undertaken. After a return to our planet Earth, the focus is on the development of living organisms. The text should be accessible to anyone having the equivalent of a first-year university instruction in physics and chemistry. It is also hoped that a layperson with a more modest scientific formation may gain a general impression of the basic asymmetry in nature and of the fundamental significance of chirality. Mathematical expressions, wherever they occur, may then be overlooked. Some more difficult sections may be skipped. A Glossary preceding the Subject Index should be helpful.
Author: Michael Bader
Publisher: Springer Science & Business Media
ISBN: 3642387624
Category : Mathematics
Languages : en
Pages : 255
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Book Description
This proceedings volume collects review articles that summarize research conducted at the Munich Centre of Advanced Computing (MAC) from 2008 to 2012. The articles address the increasing gap between what should be possible in Computational Science and Engineering due to recent advances in algorithms, hardware, and networks, and what can actually be achieved in practice; they also examine novel computing architectures, where computation itself is a multifaceted process, with hardware awareness or ubiquitous parallelism due to many-core systems being just two of the challenges faced. Topics cover both the methodological aspects of advanced computing (algorithms, parallel computing, data exploration, software engineering) and cutting-edge applications from the fields of chemistry, the geosciences, civil and mechanical engineering, etc., reflecting the highly interdisciplinary nature of the Munich Centre of Advanced Computing.
