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Most of the papers in this volume were presented at the NATO
Advanced Research Workshop High Performance Computing: Technology
and Application, held in Cetraro, Italy from 24 to 26 of June,
1996. The main purpose of the Workshop was to discuss some key
scientific and technological developments in high performance
computing, identify significant trends and defme desirable research
objectives. The volume structure corresponds, in general, to the
outline of the workshop technical agenda: general concepts and
emerging systems, software technology, algorithms and applications.
One of the Workshop innovations was an effort to extend slightly
the scope of the meeting from scientific/engineering computing to
enterprise-wide computing. The papers on performance and
scalability of database servers, and Oracle DBMS reflect this
attempt We hope that after reading this collection of papers the
readers will have a good idea about some important research and
technological issues in high performance computing. We wish to give
our thanks to the NATO Scientific and Environmental Affairs
Division for being the principal sponsor for the Workshop. Also we
are pleased to acknowledge other institutions and companies that
supported the Workshop: European Union: European Commission
DGIII-Industry, CNR: National Research Council of Italy, University
of Calabria, Alenia Spazio, Centro Italiano Ricerche Aerospaziali,
ENEA: Italian National Agency for New Technology, Energy and the
Environment, Fujitsu, Hewlett Packard-Convex, Hitachi, NEC, Oracle,
and Silicon Graphics-Cray Research. Editors January 1997 vii LIST
OF CONTRIBUTORS Ecole Nonnale Sucentsrieure de Lyon, 69364
Abarbanel. Robert
'Et moi, ..., si j'avait su comment. One service mathematics has
ren- en revenir, je n'y serais point alle'. dered the human race.
It has put common sense back where it be- Jules Verne longs, on the
topmost shelf next to the dusty canister labelIed 'discard- The
series is divergent; therefore we ed nonsense'. may be able to do
something with Eric T. Bell it. O. Heaviside Mathematics is a tool
for thought. A highly necessary tool in a world where both feedback
and nonlinearities abound. Similarly, all kinds of parts of
mathematics serve as tools for other parts and for other sciences.
Applying a simple rewriting rule to the quote on the right above
one finds such statements as: 'One service topology has rendered
mathema- tical physics ...'; 'One service logic has rendered
computer science ...'; 'One service category theory has rendered
mathematics ...'. All ar- guably true. Alld all statements
obtainable this way form part of the raison d 'etre of this serics.
The use of parallel programming and architectures is essential for
simulating and solving problems in modern computational practice.
There has been rapid progress in microprocessor architecture,
interconnection technology and software devel- ment, which are
in?uencing directly the rapid growth of parallel and distributed
computing. However, in order to make these bene?ts usable in
practice, this dev- opment must be accompanied by progress in the
design, analysis and application aspects of parallel algorithms. In
particular, new approaches from parallel num- ics are important for
solving complex computational problems on parallel and/or
distributed systems. The contributions to this book are focused on
topics most concerned in the trends of today's parallel computing.
These range from parallel algorithmics, progr- ming, tools, network
computing to future parallel computing. Particular attention is
paid to parallel numerics: linear algebra, differential equations,
numerical integ- tion, number theory and their applications in
computer simulations, which together form the kernel of the
monograph. We expect that the book will be of interest to
scientists working on parallel computing, doctoral students,
teachers, engineers and mathematicians dealing with numerical
applications and computer simulations of natural phenomena.
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Parallel Computation - 4th International ACPC Conference Including Special Tracks on Parallel Numerics (ParNum'99) and Parallel Computing in Image Processing, Video Processing, and Multimedia Salzburg, Austria, February 16-18, 1999, Proceedings (Paperback, 1999 ed.)
Peter Zinterhof, Marian Vajtersic, Andreas Uhl
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TheAustrianCenterforParallelComputation(ACPC)isacooperativeresearch
organization founded in 1989 to promote research and education in
the eld of Software for Parallel Computer Systems. The areas in
which the ACPC is active include algorithms, languages, c- pilers,
programmingenvironments, andapplicationsforparallelandhigh-perf-
mance computing systems. The partners of ACPC run researchprojects
in these elds, use a common pool of hardware equipment, and oer a
joint curriculum in ParallelComputationfor graduateand
postgraduatestudents. Moreover, s- eral national and international
workshops and conferences have been organized within the framework
of the ACPC.
TheseproceedingsconcerntheFourthInternationalConferenceoftheACPC
(ACPC'99), held on February 16{18 in Salzburg, Austria. This
conference is a merge of two established international
conference/workshop series devoted to parallel processing: the ACPC
conferences which were held previously in Salzburg, Gmunden, and
Klagenfurt (all Austria) and the Parallel Numerics (ParNum)
workshops which were organized in Smolenice (Slovakia), Sorrento
(Italy), Gozd Martuljek (Slovenia), and Zakopane (Poland). We
invited 20 researchers to participate on the program committee. The
conference attracted authors from 22 countries around the worldwho
submitted 75 papers, out of which 50 were selected for presentation
at the conference. Additionally, a poster session was organized
featuring work in progress. Four distinguished researcherspresented
invited papers with topics related to the two
specialtracksonParallelNumericsandParallelComputinginImageProcessing,
Video Processing, and Multimedia.
This volume deals with problems of modern effective algorithms for
the numerical solution of the most frequently occurring elliptic
partial differential equations. From the point of view of
implementation, attention is paid to algorithms for both classical
sequential and parallel computer systems. The first two chapters
are devoted to fast algorithms for solving the Poisson and
biharmonic equation. In the third chapter, parallel algorithms for
model parallel computer systems of the SIMD and MIMD types are
described. The implementation aspects of parallel algorithms for
solving model elliptic boundary value problems are outlined for
systems with matrix, pipeline and multiprocessor parallel computer
architectures. A modern and popular multigrid computational
principle which offers a good opportunity for a parallel
realization is described in the next chapter. More parallel
variants based in this idea are presented, whereby methods and
assignments strategies for hypercube systems are treated in more
detail. The last chapter presents VLSI designs for solving special
tridiagonal linear systems of equations arising from
finite-difference approximations of elliptic problems. For
researchers interested in the development and application of fast
algorithms for solving elliptic partial differential equations
using advanced computer systems.
The use of parallel programming and architectures is essential for
simulating and solving problems in modern computational practice.
There has been rapid progress in microprocessor architecture,
interconnection technology and software devel- ment, which are
in?uencing directly the rapid growth of parallel and distributed
computing. However, in order to make these bene?ts usable in
practice, this dev- opment must be accompanied by progress in the
design, analysis and application aspects of parallel algorithms. In
particular, new approaches from parallel num- ics are important for
solving complex computational problems on parallel and/or
distributed systems. The contributions to this book are focused on
topics most concerned in the trends of today's parallel computing.
These range from parallel algorithmics, progr- ming, tools, network
computing to future parallel computing. Particular attention is
paid to parallel numerics: linear algebra, differential equations,
numerical integ- tion, number theory and their applications in
computer simulations, which together form the kernel of the
monograph. We expect that the book will be of interest to
scientists working on parallel computing, doctoral students,
teachers, engineers and mathematicians dealing with numerical
applications and computer simulations of natural phenomena.
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