Compile Time Schedulability Analysis Of Communicating Concurrent Programs
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Compile Time Schedulability Analysis Of Communicating Concurrent Programs
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Author : Cong Liu
language : en
Publisher:
Release Date : 2006
Compile Time Schedulability Analysis Of Communicating Concurrent Programs written by Cong Liu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
The use of concurrent models has become a necessity in embedded system design. This trend is driven by the growing complexity and inherent multitasking of embedded systems. Describing a system as a set of concurrently executed, relatively simple subtasks is more natural than using a single, complicated task. Embedded systems, however, have limited resources. They often have a few processors. This implies that several software subtasks "programs" have to share a CPU. Compile-time scheduling determines a sequential execution order of the program statements that satisfies certain constraint, e.g. bounded memory usage, at compile time. We study compile-time schedulability of concurrent programs based on a Petri net model. We consider concurrent programs that asynchronously communicate with each other and the environment through unbounded first-in first-out "FIFO" buffers. The Petri net represents the control flow and communications of the programs, and models data dependent branches as non-deterministic free choices. A schedule of a Petri net represents a set of firing sequences that can be infinitely repeated within a bounded state space, regardless of the outcomes of the nondeterministic choices. Schedulability analysis for a given Petri net answers the question whether a valid schedule exists in the reachability space of this net. Due to the heuristics nature of existing scheduling algorithms, discovering powerful necessary condition for schedulability is important to gain efficiency in analysis. We propose a novel structural approach to schedulability analysis of Petri nets. Structural analysis often yields polynomial-time algorithms and is applicable for all initial states. We show that unschedulability can be caused by a structural relation among transitions modelling nondeterministic choices. Two methods for checking the existence of the relation are propo.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2007
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Dissertations, Academic categories.
Task Scheduling For Parallel Systems
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Author : Oliver Sinnen
language : en
Publisher: John Wiley & Sons
Release Date : 2007-05-18
Task Scheduling For Parallel Systems written by Oliver Sinnen and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-18 with Computers categories.
A new model for task scheduling that dramatically improves the efficiency of parallel systems Task scheduling for parallel systems can become a quagmire of heuristics, models, and methods that have been developed over the past decades. The author of this innovative text cuts through the confusion and complexity by presenting a consistent and comprehensive theoretical framework along with realistic parallel system models. These new models, based on an investigation of the concepts and principles underlying task scheduling, take into account heterogeneity, contention for communication resources, and the involvement of the processor in communications. For readers who may be new to task scheduling, the first chapters are essential. They serve as an excellent introduction to programming parallel systems, and they place task scheduling within the context of the program parallelization process. The author then reviews the basics of graph theory, discussing the major graph models used to represent parallel programs. Next, the author introduces his task scheduling framework. He carefully explains the theoretical background of this framework and provides several examples to enable readers to fully understand how it greatly simplifies and, at the same time, enhances the ability to schedule. The second half of the text examines both basic and advanced scheduling techniques, offering readers a thorough understanding of the principles underlying scheduling algorithms. The final two chapters address communication contention in scheduling and processor involvement in communications. Each chapter features exercises that help readers put their new skills into practice. An extensive bibliography leads to additional information for further research. Finally, the use of figures and examples helps readers better visualize and understand complex concepts and processes. Researchers and students in distributed and parallel computer systems will find that this text dramatically improves their ability to schedule tasks accurately and efficiently.
Languages And Compilers For Parallel Computing
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Author : James Brodman
language : en
Publisher: Springer
Release Date : 2015-04-30
Languages And Compilers For Parallel Computing written by James Brodman and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-30 with Computers categories.
This book constitutes the thoroughly refereed post-conference proceedings of the 27th International Workshop on Languages and Compilers for Parallel Computing, LCPC 2014, held in Hillsboro, OR, USA, in September 2014. The 25 revised full papers were carefully reviewed and selected from 39 submissions. The papers are organized in topical sections on accelerator programming; algorithms for parallelism; compilers; debugging; vectorization.
Algorithms And Architectures For Parallel Processing Proceedings Of The 1997 3rd International Conference
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Author : Andrzej Marian Goscinski
language : en
Publisher: World Scientific
Release Date : 1997-11-15
Algorithms And Architectures For Parallel Processing Proceedings Of The 1997 3rd International Conference written by Andrzej Marian Goscinski and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-11-15 with categories.
The IEEE Third International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP-97) will be held in Melbourne, Australia from December 8th to 12th, 1997. The purpose of this important conference is to bring together developers and researchers from universities, industry and government to advance science and technology in distributed and parallel systems and processing.
Compiler Optimizations For Scalable Parallel Systems
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Author : Santosh Pande
language : en
Publisher: Springer
Release Date : 2003-06-29
Compiler Optimizations For Scalable Parallel Systems written by Santosh Pande and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-06-29 with Computers categories.
Scalable parallel systems or, more generally, distributed memory systems offer a challenging model of computing and pose fascinating problems regarding compiler optimization, ranging from language design to run time systems. Research in this area is foundational to many challenges from memory hierarchy optimizations to communication optimization. This unique, handbook-like monograph assesses the state of the art in the area in a systematic and comprehensive way. The 21 coherent chapters by leading researchers provide complete and competent coverage of all relevant aspects of compiler optimization for scalable parallel systems. The book is divided into five parts on languages, analysis, communication optimizations, code generation, and run time systems. This book will serve as a landmark source for education, information, and reference to students, practitioners, professionals, and researchers interested in updating their knowledge about or active in parallel computing.
Parallel Processing And Applied Mathematics Part I
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Author : Roman Wyrzykowski
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-07-07
Parallel Processing And Applied Mathematics Part I written by Roman Wyrzykowski and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-07 with Computers categories.
This book constitutes the proceedings of the 8th International Conference on Parallel Processing and Applied Mathematics, PPAM 2009, held in Wroclaw, Poland, in September 2009.
Transputer Applications And Systems 94
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Author : A. De Gloria
language : en
Publisher: IOS Press
Release Date : 1994
Transputer Applications And Systems 94 written by A. De Gloria and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computers categories.
Proceedings -- Parallel Computing.
Advances In Computing And Information Icci 91
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Author : Frank Dehne
language : en
Publisher: Springer Science & Business Media
Release Date : 1991-05-07
Advances In Computing And Information Icci 91 written by Frank Dehne and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-05-07 with Computers categories.
This volume contains papers presented at the Third International Conference on Computing and Information, ICCI '91, held at Carleton University in Ottawa, Canada, May 27-29, 1991. The conference was organized by the School of Computer Science at Carleton University, and was sponsored by the Natural Sciences and Engineering Research Council of Canada (NSERC) and Carleton University. ICCI '91 was an international forum for the presentation of original results in research, development, and applications in computing and information processing. The conference was aimed at both practitioners and theoreticians, and was organized into five streams: - Algorithms and complexity, - Databases and information systems, - Parallel processing and systems, - Distributed computing and systems, - Expert systems, artificial intelligence. This volume contains three invited papers, by E.C.R. Hehner, R.L. Probert, and S.J. Smith, and 71 selected papers.
Transputer And Occam Research
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Author : World Occam and Transputer User Group. Technical Meeting
language : en
Publisher: IOS Press
Release Date : 1993
Transputer And Occam Research written by World Occam and Transputer User Group. Technical Meeting and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Computers categories.
The papers included in this book provide a wide coverage of current thinking and the new concepts which are being developed resulting from the introduction of the T9000. The role and use of the newly developed transputer and associated routing component, the C104, is discussed, and the use of existing range of transputers in the embedded systems market is also dealt with.