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Author : Christophe Salagnon
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (494 download)
Download or read book Ordonnancement et placement dans les SGBD paralleles written by Christophe Salagnon and published by . This book was released on 1994 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : CHRISTOPHE.. SALAGNON
Publisher :
ISBN 13 :
Total Pages : 219 pages
Book Rating : 4.:/5 (49 download)
Download or read book ORDONNANCEMENT ET PLACEMENT DANS LES S.G.B.D. PARALLELES written by CHRISTOPHE.. SALAGNON and published by . This book was released on 1994 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: NOUS ABORDONS DEUX PROBLEMES FONDAMENTAUX DES SYSTEMES DE GESTION DE BASES DE DONNEES PARALLELES: L'ORDONNANCEMENT ET LE PLACEMENT DES TACHES OBTENUES APRES PARALLELISATION DES REQUETES COMPLEXES. NOUS COMMENCONS PAR MODELISER AU MOYEN D'UN FORMALISME GRAPHIQUE LES TACHES, LEUR GRANULARITE, LES SYNCHRONISATIONS, LA CIRCULATION DES DONNEES, LES VOLUMES TRAITES ET CERTAINES CONTRAINTES DE PLACEMENT. POUR L'ORDONNANCEMENT, DONT LE BUT EST DE MINIMISER LE TEMPS DE REPONSE, NOUS PROPOSONS UN ALGORITHME BASE SUR DES HEURISTIQUES SIMPLES. IL UTILISE LES DATES DE DEBUT AU PLUS TOT, CALCULEES POUR UN NOMBRE INFINI DE PROCESSEURS, AINSI QUE L'APTITUDE DES TACHES A SE DEPLACER DANS LE TEMPS SANS AUGMENTER LE TEMPS DE REPONSE. A CELA, NOUS AJOUTONS LA POSSIBILITE DE MODIFIER LA GRANULARITE DES TACHES S'IL VIENT A MANQUER DES PROCESSEURS POUR LEUR EXECUTION ; C'EST LA L'ORIGINALITE DE NOTRE METHODE. NOUS EMPLOYONS EGALEMENT UNE HEURISTIQUE POUR LE PLACEMENT DONT LE ROLE EST L'EQUILIBRAGE DES CHARGES. L'HEURISTIQUE LPT EST APPLIQUEE APRES AVOIR RASSEMBLE LES CHARGES DES PROCESSEURS. NOUS EN AVONS ETUDIE LA MISE EN UVRE DANS LE CADRE DES SYSTEMES PARALLELES A MEMOIRE PARTAGEE, PUIS DE CEUX A MEMOIRE DISTRIBUEE. AFIN D'EXPERIMENTER NOS ALGORITHMES, NOUS AVONS ENTREPRIS LA REALISATION D'UN PROTOTYPE SUR UNE MACHINE PARALLELE A MEMOIRE DISTRIBUEE
Author : Philip A. Bernstein
Publisher : Addison Wesley Publishing Company
ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.4/5 (91 download)
Download or read book Concurrency Control and Recovery in Database Systems written by Philip A. Bernstein and published by Addison Wesley Publishing Company. This book was released on 1987 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anthony Steed
Publisher : Elsevier
ISBN 13 : 0080922236
Total Pages : 535 pages
Book Rating : 4.0/5 (89 download)
Download or read book Networked Graphics written by Anthony Steed and published by Elsevier. This book was released on 2009-10-30 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: Networked Graphics equips programmers and designers with a thorough grounding in the techniques used to create truly network-enabled computer graphics and games. Written for graphics/game/VE developers and students, it assumes no prior knowledge of networking.The text offers a broad view of what types of different architectural patterns can be found in current systems, and readers will learn the tradeoffs in achieving system requirements on the Internet. It explains the foundations of networked graphics, then explores real systems in depth, and finally considers standards and extensions.Numerous case studies and examples with working code are featured throughout the text, covering groundbreaking academic research and military simulation systems, as well as industry-leading game designs. - Everything designers need to know when developing networked graphics and games is covered in one volume - no need to consult multiple sources - The many examples throughout the text feature real simulation code in C++ and Java that developers can use in their own design experiments - Case studies describing real-world systems show how requirements and constraints can be managed
Author : Piet Van Mieghem
Publisher : Cambridge University Press
ISBN 13 : 1139450824
Total Pages : 545 pages
Book Rating : 4.1/5 (394 download)
Download or read book Performance Analysis of Communications Networks and Systems written by Piet Van Mieghem and published by Cambridge University Press. This book was released on 2009-04-09 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: This rigourous and self-contained book describes mathematical and, in particular, stochastic methods to assess the performance of networked systems. It consists of three parts. The first part is a review on probability theory. Part two covers the classical theory of stochastic processes (Poisson, renewal, Markov and queuing theory), which are considered to be the basic building blocks for performance evaluation studies. Part three focuses on the relatively new field of the physics of networks. This part deals with the recently obtained insights that many very different large complex networks - such as the Internet, World Wide Web, proteins, utility infrastructures, social networks - evolve and behave according to more general common scaling laws. This understanding is useful when assessing the end-to-end quality of communications services, for example, in Internet telephony, real-time video and interacting games. Containing problems and solutions, this book is ideal for graduate students taking courses in performance analysis.
Author : Bernhard Thalheim
Publisher : Springer Science & Business Media
ISBN 13 : 3662040581
Total Pages : 640 pages
Book Rating : 4.6/5 (62 download)
Download or read book Entity-Relationship Modeling written by Bernhard Thalheim and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive presentation of entity-relationship (ER) modeling with regard to an integrated development and modeling of database applications. It comprehensively surveys the achievements of research in this field and deals with the ER model and its extensions. In addition, the book presents techniques for the translation of the ER model into classical database models and languages, such as relational, hierarchical, and network models and languages, as well as into object-oriented models.
Author : Lynda Mannik
Publisher : University of Toronto Press
ISBN 13 : 1487593147
Total Pages : 275 pages
Book Rating : 4.4/5 (875 download)
Download or read book Practicing Ethnography written by Lynda Mannik and published by University of Toronto Press. This book was released on 2017-11-20 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building on the "studying up" trend in anthropology, this book offers a theoretically informed guide to ethnographic methods that is also practical in approach, and reflects the challenges and concerns of contemporary ethnography. Students draw from vignettes situated within North America to learn how various methods work in the real world, and how ethnography informs contemporary anthropological theory. Exercises and assignments encourage students to practice these methods in a familiar context, and a sustained focus on visual methodologies offers coverage not found in other books. The result is a text that discusses both practical and theoretical issues in contemporary ethnography while equipping students with a set of transferable skills.
