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Author : 黃平青
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (75 download)
Download or read book An Iterative Approach for Malleable Tasks Scheduling with Precedence Constraints written by 黃平青 and published by . This book was released on 2009 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Klaus Jansen
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (553 download)
Download or read book Scheduling Malleable Tasks with Precedence Constraints written by Klaus Jansen and published by . This book was released on 2009 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : 陳奇業
Publisher :
ISBN 13 :
Total Pages : 67 pages
Book Rating : 4.:/5 (872 download)
Download or read book Studies on Scheduling Malleable Tasks Under Precedence Constraints written by 陳奇業 and published by . This book was released on 2012 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donald W. Gillies
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scheduling Tasks with AND/OR Precedence Constraints written by Donald W. Gillies and published by . This book was released on 1991 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: These algorithms provide the same level of worst-case performance as some previous priority-driven algorithms for scheduling AND-only task systems."
Author : Walter Ludwig
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (89 download)
Download or read book Algorithms for Scheduling Malleable and Nonmalleable Parallel Tasks written by Walter Ludwig and published by . This book was released on 1995 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 133 pages
Book Rating : 4.:/5 (227 download)
Download or read book Optimal Iterative Task Scheduling for Parallel Simulations written by and published by . This book was released on 1991 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ultimate purpose of this research is to reduce the time needed for execution of parallel computer simulations. In particular, the impact of task assignment strategies is determined for parallel VHDL circuit simulations. The classical scheduling problem, which assigns n precedence-constrained tasks to m processors is NP-complete in all but the simplest cases. The problem of assigning simulation tasks is further complicated by the iterative nature of computer simulations: each task is required to execute multiple times as the simulation executes. This investigation develops a polynomial-time algorithm (the level strategy) which provides optimal assignment for iterative systems with specific constraints. A mathematical foundation for iterative task systems is proved. In particular, it is shown that restricted cases of iterative systems achieve minimal latency, (time between successive iterations of a given task), when the level strategy is used for task assignment. To verify the theoretical results, various task scheduling strategies are compared using VHDL logic- circuit simulations on the iPSC/2 Hypercube computer. Tests are run with mappings based on the level strategy, the classical optimal assignment, a greedy technique for assignment, and an unbalanced assignment. The best results of these experiments, in terms of speedup, occur consistently in cases where the level strategy is used.
Author : Zhiao Shi
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (6 download)
Download or read book Scheduling Tasks with Precedence Constraints on Heterogeneous Distributed Computing Systems written by Zhiao Shi and published by . This book was released on 2006 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Efficient scheduling is essential to exploit the tremendous potential of high performance computing systems. Scheduling tasks with precedence constraints is a well studied problem and a number of heuristics have been proposed.
Author : International Business Machines Corporation. Research Division
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (123 download)
Download or read book On the Scheduling of Parallelizable Tasks in the Presence of Precedence Constraints written by International Business Machines Corporation. Research Division and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donald William Gillies
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (295 download)
Download or read book Algorithms to Schedule Tasks with AND/OR Precedence Constraints written by Donald William Gillies and published by . This book was released on 1993 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael D. Niedert
Publisher :
ISBN 13 : 9781423535256
Total Pages : 96 pages
Book Rating : 4.5/5 (352 download)
Download or read book Static-Task Scheduling Incorporating Precedence Constraints and Deadlines in a Heterogeneous-Computing Environment written by Michael D. Niedert and published by . This book was released on 2000-06 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distributed systems have grown in popularity due to the rapid increase in networking of personal computers. A mixture of computers consisting of different architectures can be more powerful, reliable, and scalable than a single supercomputer. The problem of optimally scheduling jobs on a cluster of heterogeneous machines to minimize the time at which the last machine finishes is NP-complete. Nonetheless, the choice of a heuristic algorithm greatly affects the speed of solution. This work evaluates a greedy algorithm, an A* algorithm, and a simulated annealing algorithm applied to the heterogeneous scheduling problem with deadline and dependency constraints. Tradeoffs of speed and schedule quality were noted between the algorithms. The greedy algorithm produced results quicker than the A* and simulated annealing algorithms, but with a lower schedule quality. Because of these offsetting performance criteria, an analysis was conducted to determine which algorithms should be used for which input cases.
Author : Hirak Mitra
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (96 download)
Download or read book A Genetic Approach for Scheduling Non-preemptive Tasks with Precedence and Deadline Constraints written by Hirak Mitra and published by . This book was released on 1992 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 868 pages
Book Rating : 4.3/5 (91 download)
Download or read book Mathematical Reviews written by and published by . This book was released on 2007 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christian Artigues
Publisher : John Wiley & Sons
ISBN 13 : 1118623703
Total Pages : 235 pages
Book Rating : 4.1/5 (186 download)
Download or read book Resource-Constrained Project Scheduling written by Christian Artigues and published by John Wiley & Sons. This book was released on 2013-03-01 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title presents a large variety of models and algorithms dedicated to the resource-constrained project scheduling problem (RCPSP), which aims at scheduling at minimal duration a set of activities subject to precedence constraints and limited resource availabilities. In the first part, the standard variant of RCPSP is presented and analyzed as a combinatorial optimization problem. Constraint programming and integer linear programming formulations are given. Relaxations based on these formulations and also on related scheduling problems are presented. Exact methods and heuristics are surveyed. Computational experiments, aiming at providing an empirical insight on the difficulty of the problem, are provided. The second part of the book focuses on several other variants of the RCPSP and on their solution methods. Each variant takes account of real-life characteristics which are not considered in the standard version, such as possible interruptions of activities, production and consumption of resources, cost-based approaches and uncertainty considerations. The last part presents industrial case studies where the RCPSP plays a central part. Applications are presented in various domains such as assembly shop and rolling ingots production scheduling, project management in information technology companies and instruction scheduling for VLIW processor architectures.
Author : Peter Brucker
Publisher : Springer Science & Business Media
ISBN 13 : 3642239293
Total Pages : 348 pages
Book Rating : 4.6/5 (422 download)
Download or read book Complex Scheduling written by Peter Brucker and published by Springer Science & Business Media. This book was released on 2011-09-29 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents models and algorithms for complex scheduling problems. Besides resource-constrained project scheduling problems with applications also job-shop problems with flexible machines, transportation or limited buffers are discussed. Discrete optimization methods like linear and integer programming, constraint propagation techniques, shortest path and network flow algorithms, branch-and-bound methods, local search and genetic algorithms, and dynamic programming are presented. They are used in exact or heuristic procedures to solve the introduced complex scheduling problems. Furthermore, methods for calculating lower bounds are described. Most algorithms are formulated in detail and illustrated with examples. In this second edition some errors were corrected, some parts were explained in more detail, and new material has been added. In particular, further generalizations of the RCPSP, additional practical applications and some more algorithms were integrated.
Author : Maciej Drozdowski
Publisher : Springer Science & Business Media
ISBN 13 : 184882310X
Total Pages : 395 pages
Book Rating : 4.8/5 (488 download)
Download or read book Scheduling for Parallel Processing written by Maciej Drozdowski and published by Springer Science & Business Media. This book was released on 2010-03-14 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: Overview and Goals This book is dedicated to scheduling for parallel processing. Presenting a research ?eld as broad as this one poses considerable dif?culties. Scheduling for parallel computing is an interdisciplinary subject joining many ?elds of science and te- nology. Thus, to understand the scheduling problems and the methods of solving them it is necessary to know the limitations in related areas. Another dif?culty is that the subject of scheduling parallel computations is immense. Even simple search in bibliographical databases reveals thousands of publications on this topic. The - versity in understanding scheduling problems is so great that it seems impossible to juxtapose them in one scheduling taxonomy. Therefore, most of the papers on scheduling for parallel processing refer to one scheduling problem resulting from one way of perceiving the reality. Only a few publications attempt to arrange this ?eld of knowledge systematically. In this book we will follow two guidelines. One guideline is a distinction - tween scheduling models which comprise a set of scheduling problems solved by dedicated algorithms. Thus, the aim of this book is to present scheduling models for parallel processing, problems de?ned on the grounds of certain scheduling models, and algorithms solving the scheduling problems. Most of the scheduling problems are combinatorial in nature. Therefore, the second guideline is the methodology of computational complexity theory. Inthisbookwepresentfourexamplesofschedulingmodels. Wewillgodeepinto the models, problems, and algorithms so that after acquiring some understanding of them we will attempt to draw conclusions on their mutual relationships.
Author : Douglas A. Wiegmann
Publisher : Routledge
ISBN 13 : 1351962353
Total Pages : 174 pages
Book Rating : 4.3/5 (519 download)
Download or read book A Human Error Approach to Aviation Accident Analysis written by Douglas A. Wiegmann and published by Routledge. This book was released on 2017-12-22 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human error is implicated in nearly all aviation accidents, yet most investigation and prevention programs are not designed around any theoretical framework of human error. Appropriate for all levels of expertise, the book provides the knowledge and tools required to conduct a human error analysis of accidents, regardless of operational setting (i.e. military, commercial, or general aviation). The book contains a complete description of the Human Factors Analysis and Classification System (HFACS), which incorporates James Reason's model of latent and active failures as a foundation. Widely disseminated among military and civilian organizations, HFACS encompasses all aspects of human error, including the conditions of operators and elements of supervisory and organizational failure. It attracts a very broad readership. Specifically, the book serves as the main textbook for a course in aviation accident investigation taught by one of the authors at the University of Illinois. This book will also be used in courses designed for military safety officers and flight surgeons in the U.S. Navy, Army and the Canadian Defense Force, who currently utilize the HFACS system during aviation accident investigations. Additionally, the book has been incorporated into the popular workshop on accident analysis and prevention provided by the authors at several professional conferences world-wide. The book is also targeted for students attending Embry-Riddle Aeronautical University which has satellite campuses throughout the world and offers a course in human factors accident investigation for many of its majors. In addition, the book will be incorporated into courses offered by Transportation Safety International and the Southern California Safety Institute. Finally, this book serves as an excellent reference guide for many safety professionals and investigators already in the field.
Author : El-ghazali Talbi
Publisher : Springer
ISBN 13 : 3642306713
Total Pages : 464 pages
Book Rating : 4.6/5 (423 download)
Download or read book Hybrid Metaheuristics written by El-ghazali Talbi and published by Springer. This book was released on 2012-07-31 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main goal of this book is to provide a state of the art of hybrid metaheuristics. The book provides a complete background that enables readers to design and implement hybrid metaheuristics to solve complex optimization problems (continuous/discrete, mono-objective/multi-objective, optimization under uncertainty) in a diverse range of application domains. Readers learn to solve large scale problems quickly and efficiently combining metaheuristics with complementary metaheuristics, mathematical programming, constraint programming and machine learning. Numerous real-world examples of problems and solutions demonstrate how hybrid metaheuristics are applied in such fields as networks, logistics and transportation, bio-medical, engineering design, scheduling.
