mutual-exclusion-algorithms

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Distributed Mutual Exclusion Algorithms

Author : Pradip K. Srimani
ISBN : STANFORD:36105008555869
Genre : Computers
File Size : 66. 78 MB
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Algorithms For Mutual Exclusion

Author : Michel Raynal
ISBN : UOM:39015011190900
Genre : Computers
File Size : 27. 83 MB
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This book presents a remarkable survey of a vast field of concrete and highly complex research on algorithms for parallel or distributed control.

Mutual Exclusion Algorithms

Author : Aasim Khurshid
ISBN : 3659179388
Genre :
File Size : 50. 6 MB
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Multiprocessing systems are programmed cleanly using Critical sections. When a process desires to access some shared data it first gets mutual exclusive access to critical sections for reliable outcome as processes may possibly manipulate the data. This work investigates how critical section problem can be solved easily and efficiently for multiprocessing and distributed systems. This report presents an algorithm that can solve the problem in single processing, multiprocessing and distributed systems efficiently with minimal changes. For distributed systems we introduce message passing service while keeping rest of the mechanism same works faster than many other algorithms for distributed systems. The algorithm compares its efficiency with bakery's algorithm and performs much better with the liberty of introduction of multiple critical sections for dissimilar shared data. Due to this multiple processes can execute in different critical sections concurrently.

Searching For Mutual Exclusion Algorithms Using Bdds

Author :
ISBN : OCLC:675963435
Genre :
File Size : 88. 32 MB
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A Framework To Study The Performance Of The Group Mutual Exclusion Algorithms

Author : Darshik Shirodaria
ISBN : OCLC:1243163747
Genre :
File Size : 44. 72 MB
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Group mutual exclusion problem generalizes the classical mutual exclusion problem, a fundamental problem in concurrent programming. It arises in applications involving sharing resources such as memory and data. In group mutual exclusion, a process requests for a "forum"; processes requesting the same forum may access the critical section simultaneously. Several algorithms have been proposed for the group mutual exclusion problem, but very few studies have been conducted to compare the performances of these algorithms by means of execution on actual machines. Besides the studies conducted have been a mere one-on-one comparison. Also, there exists no testing environment that accommodates multiple algorithms and compare their executions. This work aims at testing the performance of group mutual exclusion algorithms extensively by executing multiple such algorithms in a test framework. We propose to build an automated test framework to execute these algorithms, both individually and collectively under various experimental setups and observe their performances graphically using several performance metrics. Our experiments would constitute several collective comparison studies of algorithms along with replicating a few one-on-one comparison experiments from the literature. To use the algorithms into our framework, we intend to translate them from pseudo codes to source codes. The aim is to eventually creating a repository of these source codes such that they could be used for other applications besides our framework.

A Study On Mutual Exclusion Algorithms

Author : David Maiman
ISBN : OCLC:1150126375
Genre :
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Concurrency Control In Distributed System Using Mutual Exclusion

Author : Sukhendu Kanrar
ISBN : 9789811055591
Genre : Technology & Engineering
File Size : 58. 65 MB
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The book presents various state-of-the-art approaches for process synchronization in a distributed environment. The range of algorithms discussed in the book starts from token based mutual exclusion algorithms that work on tree based topology. Then there are interesting solutions for more flexible logical topology like a directed graph, with or without cycle. In a completely different approach, one of the chapters presents two recent voting-based DME algorithms. All DME algorithms presented in the book aim to ensure fairness in terms of first come first serve (FCFS) order among equal priority processes. At the same time, the solutions consider the priority of the requesting processes and allocate resource for the earliest request when no such request from a higher priority process is pending.

A Correction To Maekawa S Square Root Of N Mutual Exclusion Algorithm

Author : Ye-In Chang
ISBN : OCLC:26082199
Genre : Algorithms
File Size : 58. 58 MB
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Abstract: "In this paper, we give a counterexample to show that Maekawa's [square root of N] mutual exclusion algorithm [1, 2] does not detect and resolve all deadlocks. Although Maekawa has claimed his algorithm to be deadlock-free (by using timestamps to detect and resolve possible deadlocks), there are still some inappropriately deferred messages that cause the algorithm to have undetected deadlocks. We correct the algorithm to make it deadlock-free."

Distributed And Parallel Computing

Author : Michael Hobbs
ISBN : 3540292357
Genre : Computers
File Size : 44. 16 MB
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This book constitutes the refereed proceedings of the 6th International Conference on Algorithms and Architectures for Parallel Processing, ICA3PP 2005, held in Melbourne, Australia in October 2005. The 27 revised full papers and 25 revised short papers presented were carefully reviewed and selected from 95 submissions. The book covers new architectures of parallel and distributed systems, new system management facilities, and new application algorithms with special focus on two broad areas of parallel and distributed computing, i.e., architectures, algorithms and networks, and systems and applications.

Distributed Computing

Author : Ajay D. Kshemkalyani
ISBN : 1139470310
Genre : Technology & Engineering
File Size : 63. 66 MB
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Designing distributed computing systems is a complex process requiring a solid understanding of the design problems and the theoretical and practical aspects of their solutions. This comprehensive textbook covers the fundamental principles and models underlying the theory, algorithms and systems aspects of distributed computing. Broad and detailed coverage of the theory is balanced with practical systems-related issues such as mutual exclusion, deadlock detection, authentication, and failure recovery. Algorithms are carefully selected, lucidly presented, and described without complex proofs. Simple explanations and illustrations are used to elucidate the algorithms. Important emerging topics such as peer-to-peer networks and network security are also considered. With vital algorithms, numerous illustrations, examples and homework problems, this textbook is suitable for advanced undergraduate and graduate students of electrical and computer engineering and computer science. Practitioners in data networking and sensor networks will also find this a valuable resource. Additional resources are available online at www.cambridge.org/9780521876346.

Euro Par 2004 Parallel Processing

Author : International Euro-par Conference 2004 P
ISBN : 9783540229247
Genre : Computers
File Size : 72. 3 MB
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This book constitutes the refereed proceedings of the 10th International Conference on Parallel Computing, Euro-Par 2004, held in Pisa, Italy in August/September 2004. The 122 revised papers presented together with 3 invited papers were carefully reviewed and selected from 352 submissions. The papers are organized in topical sections on support tools and environments, performance evaluation, scheduling and load balancing, compilers and high performance, parallel and distributed databases, grid and cluster computing, applications on high performance clusters, parallel computer architecture and ILP, distributed systems and algorithms, parallel programming, numerical algorithms, high performance multimedia, theory and algorithms for parallel computing, routing and communication in interconnection networks, mobile computing, integrated problem solving environments, high performance bioinformatics, and peer-to-peer and Web computing.

Distributed Computing And Internet Technology

Author : Sanjay Kumar Madria
ISBN : 9783540683797
Genre : Computers
File Size : 37. 38 MB
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This book constitutes the refereed proceedings of the Third International Conference on Distributed Computing and Internet Technology, ICDCIT 2006, held in Bhubaneswar, India in December 2006. The 24 revised full papers and 10 revised short papers presented together with 1 keynote address and 1 invited talk were carefully reviewed and selected from 200 submissions. Covering the main areas distributed computing, internet technology, system security, data mining, and software engineering the papers are subdivided in topical sections on wireless sensor network - routing and power control, localization and coverage, mobile adhoc networks - security and reliability, quality of service, grid and distributed computing, Web services and e-commerce, Web databases, data mining, and spatio-temporal databases.

Concurrency Control Algorithms

Author : Source Wikipedia
ISBN : 1230513450
Genre :
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 20. Chapters: Banker's algorithm, Dekker's algorithm, Eisenberg & McGuire algorithm, Lamport's bakery algorithm, Lamport's Distributed Mutual Exclusion Algorithm, Maekawa's algorithm, Multiversion concurrency control, Non-blocking algorithm, Peterson's algorithm, Raymond's algorithm, Spinlock, Szymanski's Algorithm, Ticket lock, Timestamp-based concurrency control. Excerpt: In computer science, non-blocking synchronization ensures that threads competing for a shared resource do not have their execution indefinitely postponed by mutual exclusion. A non-blocking algorithm is lock-free if there is guaranteed system-wide progress; wait-free if there is also guaranteed per-thread progress. Literature up to the turn of the 21st century used "non-blocking" synonymously with lock-free. However, since 2003, the term has been weakened to only prevent progress-blocking interactions with a preemptive scheduler. In modern usage, therefore, an algorithm is non-blocking if the suspension of one or more threads will not stop the potential progress of the remaining threads. They are designed to avoid requiring a critical section. Often, these algorithms allow multiple processes to make progress on a problem without ever blocking each other. For some operations, these algorithms provide an alternative to locking mechanisms. The traditional approach to multi-threaded programming is to use locks to synchronize access to shared resources. Synchronization primitives such as mutexes, semaphores, and critical sections are all mechanisms by which a programmer can ensure that certain sections of code do not execute concurrently if doing so would corrupt shared memory structures. If one thread attempts to acquire a lock that is already held by another thread, the thread will block until the lock is free. Blocking a thread is undesirable for many reasons....

Elements Of Distributed Algorithms

Author : Wolfgang Reisig
ISBN : 3540627529
Genre : Computers
File Size : 62. 56 MB
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Distributed Computing is rapidly becoming the principal computing paradigm in diverse areas of computing, communication, and control. Processor clusters, local and wide area networks, and the information highway evolved a new kind of problems which can be solved with distributed algorithms. In this textbook a variety of distributed algorithms are presented independently of particular programming languages or hardware, using the graphically suggestive technique of Petri nets which is both easy to comprehend intuitively and formally rigorous. By means of temporal logic the author provides surprisingly simple yet powerful correctness proofs for the algorithms. The scope of the book ranges from distributed control and synchronization of two sites up to algorithms on any kind of networks. Numerous examples show that description and analysis of distributed algorithms in this framework are intuitive and technically transparent.

Concurrent Programming Algorithms Principles And Foundations

Author : Michel Raynal
ISBN : 9783642320279
Genre : Computers
File Size : 20. 47 MB
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This book is devoted to the most difficult part of concurrent programming, namely synchronization concepts, techniques and principles when the cooperating entities are asynchronous, communicate through a shared memory, and may experience failures. Synchronization is no longer a set of tricks but, due to research results in recent decades, it relies today on sane scientific foundations as explained in this book. In this book the author explains synchronization and the implementation of concurrent objects, presenting in a uniform and comprehensive way the major theoretical and practical results of the past 30 years. Among the key features of the book are a new look at lock-based synchronization (mutual exclusion, semaphores, monitors, path expressions); an introduction to the atomicity consistency criterion and its properties and a specific chapter on transactional memory; an introduction to mutex-freedom and associated progress conditions such as obstruction-freedom and wait-freedom; a presentation of Lamport's hierarchy of safe, regular and atomic registers and associated wait-free constructions; a description of numerous wait-free constructions of concurrent objects (queues, stacks, weak counters, snapshot objects, renaming objects, etc.); a presentation of the computability power of concurrent objects including the notions of universal construction, consensus number and the associated Herlihy's hierarchy; and a survey of failure detector-based constructions of consensus objects. The book is suitable for advanced undergraduate students and graduate students in computer science or computer engineering, graduate students in mathematics interested in the foundations of process synchronization, and practitioners and engineers who need to produce correct concurrent software. The reader should have a basic knowledge of algorithms and operating systems.

An Introduction To Distributed Algorithms

Author : Valmir C. Barbosa
ISBN : 0262024128
Genre : Computers
File Size : 31. 7 MB
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An Introduction to Distributed Algorithms takes up some of the main concepts and algorithms, ranging from basic to advanced techniques and applications, that underlie the programming of distributed-memory systems such as computer networks, networks of workstations, and multiprocessors. Written from the broad perspective of distributed-memory systems in general it includes topics such as algorithms for maximum flow, program debugging, and simulation that do not appear in more orthodox texts on distributed algorithms. Moving from fundamentals to advances and applications, ten chapters—with exercises and bibliographic notes—cover a variety of topics. These include models of distributed computation, information propagation, leader election, distributed snapshots, network synchronization, self- stability, termination detection, deadlock detection, graph algorithms, mutual exclusion, program debugging, and simulation. All of the algorithms are presented in a clear, template- based format for the description of message-passing computations among the nodes of a connected graph. Such a generic setting allows the treatment of problems originating from many different application areas. The main ideas and algorithms are described in a way that balances intuition and formal rigor—most are preceded by a general intuitive discussion and followed by formal statements as to correctness complexity or other properties.

Proceedings Of The Ieee Workshop On Advances In Parallel And Distributed Systems October 6 1993 Princeton New Jersey

Author : Bharat K. Bhargava
ISBN : 0818652500
Genre : Electronic data processing
File Size : 26. 85 MB
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Proceedings of the IEEE Workshop of the same title held in Princeton, NJ, Oct. 6, 1993, on multimedia, mobile computing, parallel processing, fault tolerance, and distributed and parallel algorithms. No index. Annotation copyright Book News, Inc. Portland, Or.

Distributed Algorithms For Message Passing Systems

Author : Michel Raynal
ISBN : 9783642381232
Genre : Computers
File Size : 65. 63 MB
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Distributed computing is at the heart of many applications. It arises as soon as one has to solve a problem in terms of entities -- such as processes, peers, processors, nodes, or agents -- that individually have only a partial knowledge of the many input parameters associated with the problem. In particular each entity cooperating towards the common goal cannot have an instantaneous knowledge of the current state of the other entities. Whereas parallel computing is mainly concerned with 'efficiency', and real-time computing is mainly concerned with 'on-time computing', distributed computing is mainly concerned with 'mastering uncertainty' created by issues such as the multiplicity of control flows, asynchronous communication, unstable behaviors, mobility, and dynamicity. While some distributed algorithms consist of a few lines only, their behavior can be difficult to understand and their properties hard to state and prove. The aim of this book is to present in a comprehensive way the basic notions, concepts, and algorithms of distributed computing when the distributed entities cooperate by sending and receiving messages on top of an asynchronous network. The book is composed of seventeen chapters structured into six parts: distributed graph algorithms, in particular what makes them different from sequential or parallel algorithms; logical time and global states, the core of the book; mutual exclusion and resource allocation; high-level communication abstractions; distributed detection of properties; and distributed shared memory. The author establishes clear objectives per chapter and the content is supported throughout with illustrative examples, summaries, exercises, and annotated bibliographies. This book constitutes an introduction to distributed computing and is suitable for advanced undergraduate students or graduate students in computer science and computer engineering, graduate students in mathematics interested in distributed computing, and practitioners and engineers involved in the design and implementation of distributed applications. The reader should have a basic knowledge of algorithms and operating systems.

On A Method Of Multiprogramming

Author : W.H.J. Feijen
ISBN : 9781475731262
Genre : Computers
File Size : 59. 8 MB
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Here, the authors propose a method for the formal development of parallel programs - or multiprograms as they prefer to call them. They accomplish this with a minimum of formal gear, i.e. with the predicate calculus and the well- established theory of Owicki and Gries. They show that the Owicki/Gries theory can be effectively put to work for the formal development of multiprograms, regardless of whether these algorithms are distributed or not.

Proceedings Of The 15th International Conference On Distributed Computing Systems

Author : IEEE Computer Society. TC on Distributed Processing
ISBN : UCSC:32106013705105
Genre : Computer engineering
File Size : 80. 32 MB
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The proceedings of ICDCS-15 comprise 60 papers in 18 technical sessions: tools and environments, real-time communication, consensus and agreement, transaction processing, communication protocols and software, mutual exclusion and deadlock detection, real-time distributed systems, logging and recover

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