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Book
Calcul parallele avec R
Authors: ---
ISBN: 2759820688 Year: 2016 Publisher: Les Ulis Cedex A, [France] : EDP Science,

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Abstract

L'évolution des architectures des ordinateurs, mais aussi celle des besoins relatifs au volume de données ou à la complexification des algorithmes sont un véritable défi pour les utilisateurs et développeurs R. Il faut nécessairement s'adapter au parallélisme intrinsèque des ordinateurs, et cet ouvrage a pour objectif principal d'initier ses lecteurs aux multiples facettes du calculparallèle avec R. Le premier chapitre pose la problématique de l’efficacité des programmes et de leur optimisation en abordant en particulier les bonnes pratiques à adopter pour améliorer son code. L’architecture des ordinateurs est détaillée dans le deuxième chapitre qui permet de comprendre l’impact du matériel sur les performances des programmes et qui invite à penser « parallèle ». Les chapitres 3 et 4 sont le coeur de cet ouvrage et détaillent les outils disponibles pour programmer efficacement avec R sur une machine multi-coeurs, d’une part nativement dans le langage R et d’autre part en utilisant des fonctions C++ appelées depuis R. Enfin le dernier chapitre aborde l’exploitation de clusters de calcul au travers de R.

Inherently parallel algorithms in feasibility and optimization and their applications
Authors: --- ---
ISBN: 0444505954 9780444505958 0585474095 9780585474090 9786611029562 1281029564 0080508766 Year: 2001 Publisher: Amsterdam New York Elsevier

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The Haifa 2000 Workshop on ""Inherently Parallel Algorithms for Feasibility and Optimization and their Applications"" brought together top scientists in this area. The objective of the Workshop was to discuss, analyze and compare the latest developments in this fast growing field of applied mathematics and to identify topics of research which are of special interest for industrial applications and for further theoretical study. Inherently parallel algorithms, that is, computational methods which are, by their mathematical nature, parallel, have been studied in various contexts for m


Book
Paralleles Rechnen : Performancebetrachtungen zu Gleichungslösern
Author:
ISBN: 9783486711585 348671158X Year: 2011 Publisher: Berlin ; Boston : Oldenbourg Wissenschaftsverlag,

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Die ersten Kapitel konzentrieren sich auf die Informatik und beinhalten informatische Grundbegriffe, Rechnerarchitekturen und ein Performancemodell, OpenMP als Programmierumgebung für Mehrkernrechner und MPI und PVM als Programmiermodelle für Rechner mit verteiltem Speicher. Anschließend werden mathematische Algorithmen, Performancebetrachtungen, Design paralleler Programme und Ausführungen zu Simulationsprogrammen aus den Ingenieur- und Naturwissenschaften gegenübergestellt. Die nächsten Kapitel sind Performancebetrachtungen und Parallelisierungsstrategien für mathematische Algorithmen gewidmet, bevor abschließend GPUs behandelt und Teile der zuvor erläuterten Algorithmen auf diese übertragen und diskutiert werden. Roter Faden durch das mit vielen Erläuterungen und Quelltextbeispielen angereicherte Buch ist die Performanceanalyse unterschiedlicher Speicherungstechniken von Feldern am Beispiel der algorithmischen Lösung linearer Gleichungssysteme. Dazu wird zunächst das Gaußsche Eliminationsverfahren auf ein Blockverfahren umgestellt und dieses mit sehr hoher Performance auf einem Mehrkernrechner parallelisiert. Bei der iterativen Lösung linearer Gleichungssysteme steht das konjugierte Gradienten-Verfahren und seine fein granulare Parallelisierung im Vordergrund. Besonderes Augenmerk richtet sich dabei auf die Matrix-Vektor-Multiplikation und die Abhängigkeit der Performance von der Speicherungstechnik der Matrix. Gebietszerlegungsmethoden zur Lösung linearer Gleichungssysteme bieten einen grob granularen Parallelisierungsansatz, der für das massiv parallele Rechnen der fein granularen Parallelisierung auf Schleifenebene überlegen ist.


Book
Parallel architectures, algorithms and programming : 11th International Symposium, PAAP 2020, Shenzhen, China, December 28-30, 2020, proceedings
Authors: --- ---
ISBN: 9811600104 9811600090 Year: 2021 Publisher: Gateway East, Singapore : Springer,

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This book constitutes the refereed proceedings of the 11th International Symposium on Parallel Architectures, Algorithms and Programming, PAAP 2020, held in Shenzhen, China, in December 2020. The 37 revised full papers presented were carefully reviewed and selected from 75 submissions. The papers deal with research results and development activities in all aspects of parallel architectures, algorithms and programming techniques.

Parallel algorithms for regular architectures
Authors: ---
ISBN: 0262515547 0262132338 0262279835 0585037043 9780262279833 9780585037042 9780262132336 9780262515542 Year: 1996 Publisher: Cambridge, Mass. MIT Press


Periodical
Advanced mathematical models & applications.
ISSN: 25194445 Year: 2016 Publisher: [Baku, Azerbaijan] : Jomard Publishing,


Book
Scaling up machine learning
Authors: --- ---
ISBN: 9780521192248 9781139042918 9781108461740 1139042912 9781139216937 1139216937 9781139220026 1139220020 0521192242 1139216937 1107223105 1280484756 1139221752 9786613579737 1139213865 1139223461 1108461743 Year: 2012 Publisher: New York

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This book presents an integrated collection of representative approaches for scaling up machine learning and data mining methods on parallel and distributed computing platforms. Demand for parallelizing learning algorithms is highly task-specific: in some settings it is driven by the enormous dataset sizes, in others by model complexity or by real-time performance requirements. Making task-appropriate algorithm and platform choices for large-scale machine learning requires understanding the benefits, trade-offs and constraints of the available options. Solutions presented in the book cover a range of parallelization platforms from FPGAs and GPUs to multi-core systems and commodity clusters, concurrent programming frameworks including CUDA, MPI, MapReduce and DryadLINQ, and learning settings (supervised, unsupervised, semi-supervised and online learning). Extensive coverage of parallelization of boosted trees, SVMs, spectral clustering, belief propagation and other popular learning algorithms and deep dives into several applications make the book equally useful for researchers, students and practitioners.


Book
Parallel algorithms for numerical linear algebra
Authors: ---
ISBN: 0444886214 132247169X 1483295737 9781483295732 9781322471693 9780444886217 Year: 1990 Volume: 1 Publisher: Amsterdam New York New York, N.Y., U.S.A.

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Abstract

This is the first in a new series of books presenting research results and developments concerning the theory and applications of parallel computers, including vector, pipeline, array, fifth/future generation computers, and neural computers.All aspects of high-speed computing fall within the scope of the series, e.g. algorithm design, applications, software engineering, networking, taxonomy, models and architectural trends, performance, peripheral devices.Papers in Volume One cover the main streams of parallel linear algebra: systolic array algorithms, message-passing systems, algorithms for p


Book
Parallel-in-time integration methods : 9th parallel-in-time workshop, June 8-12 2020
Author:
ISBN: 3030759334 3030759326 Year: 2021 Publisher: Cham, Switzerland : Springer,


Book
Supercomputing Frontiers : 7th Asian Conference, SCFA 2022, Singapore, March 1-3, 2022, Proceedings.
Authors: ---
ISBN: 3031104196 3031104188 Year: 2022 Publisher: Cham Springer Nature

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This open access book constitutes the refereed proceedings of the 7th Asian Conference Supercomputing Conference, SCFA 2022, which took place in Singapore in March 2022. The 8 full papers presented in this book were carefully reviewed and selected from 21 submissions. They cover a range of topics including file systems, memory hierarchy, HPC cloud platform, container image configuration workflow, large-scale applications, and scheduling.

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