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The Consensus Power Of Shared Memory Distributed Systems Microform
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Author :Eric Ruppert Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612498488 Total Pages :230 pages Book Rating :4.4/5 (984 download)
Book Synopsis The Consensus Power of Shared-memory Distributed Systems [microform] by : Eric Ruppert
Download or read book The Consensus Power of Shared-memory Distributed Systems [microform] written by Eric Ruppert and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 2000 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Consensus Power of Shared-memory Distributed Systems by :
Download or read book The Consensus Power of Shared-memory Distributed Systems written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Consensus Power of Shared-memory Distributed Systems by : Eric Ruppert
Download or read book The Consensus Power of Shared-memory Distributed Systems written by Eric Ruppert and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In many asynchronous distributed systems, processes communicate by accessing objects in a shared memory. The ability of systems to solve problems in a fault-tolerant manner depends on the types of objects provided. Here, the wait-free model of fault-tolerance is used: non-faulty processes must run correctly even if other processes experience halting failures. The consensus problem, where processes begin with private inputs and must agree on one of them, has played a central role in analysing the power of distributed systems. This thesis studies the ability of different types of objects to solve consensus. An object type has consensus number 'n' if it can be used (with read/writehsp sp="0.167"hsp sp="0.167"regist ers to solve consensus among 'n' processes but not among ' n'+1 processes. Conditions are given that are necessary and sufficient for an object type to have consensus number 'n'. This characterization applies to two large classes of objects: readable objects and read-modify-write (RMW) objects. An object is readable if processes can read its state without changing the state. For a RMW object, all operations update the state and then return the previous state of the object. When the type is of bounded size, the characterization may be used to decide the question "Does the type 'T' have consensus number 'n'?", which is undecidable for arbitrary types. The characterization is also used to show that different readable and RMW types with consensus number ' n' cannot be used in combination to solve consensus for 'n '+1 processes. Ordinarily, processes may access only one object in shared memory at a time. This thesis also studies how much the consensus number of a type increases in the multi-object and transactional models, where processes can perform operations on up to 'm' of the objects in a single atomic action. These models are much more convenient for programmers to use, since they guarantee that certain blocks of operations will be executed without interruptions from other processes. This thesis establishes bounds on the consensus numbers of multi-objects and transactional objects as a function of 'm' and the consensus numbers of the corresponding single-access types.
Book Synopsis Concurrent Crash-Prone Shared Memory Systems by : Michel Raynal
Download or read book Concurrent Crash-Prone Shared Memory Systems written by Michel Raynal and published by Morgan & Claypool Publishers. This book was released on 2022-03-22 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theory is what remains true when technology is changing. So, it is important to know and master the basic concepts and the theoretical tools that underlie the design of the systems we are using today and the systems we will use tomorrow. This means that, given a computing model, we need to know what can be done and what cannot be done in that model. Considering systems built on top of an asynchronous read/write shared memory prone to process crashes, this monograph presents and develops the fundamental notions that are universal constructions, consensus numbers, distributed recursivity, power of the BG simulation, and what can be done when one has to cope with process anonymity and/or memory anonymity. Numerous distributed algorithms are presented, the aim of which is being to help the reader better understand the power and the subtleties of the notions that are presented. In addition, the reader can appreciate the simplicity and beauty of some of these algorithms.
Book Synopsis Virtual Shared Memory for Distributed Architectures by : Eva Kühn
Download or read book Virtual Shared Memory for Distributed Architectures written by Eva Kühn and published by Nova Publishers. This book was released on 2001 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: Virtual Shared Memory for Distributed Architecture
Book Synopsis Distributed Shared Memory by : Jelica Protic
Download or read book Distributed Shared Memory written by Jelica Protic and published by John Wiley & Sons. This book was released on 1997-08-10 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers present in this text survey both distributed shared memory (DSM) efforts and commercial DSM systems. The book discusses relevant issues that make the concept of DSM one of the most attractive approaches for building large-scale, high-performance multiprocessor systems. The authors provide a general introduction to the DSM field as well as a broad survey of the basic DSM concepts, mechanisms, design issues, and systems. The book concentrates on basic DSM algorithms, their enhancements, and their performance evaluation. In addition, it details implementations that employ DSM solutions at the software and the hardware level. This guide is a research and development reference that provides state-of-the art information that will be useful to architects, designers, and programmers of DSM systems.
Author :Eric Schenk Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612189195 Total Pages :87 pages Book Rating :4.1/5 (891 download)
Book Synopsis Computability and Complexity Results for Agreement Problems in Shared-memory Distributed Systems [microform] by : Eric Schenk
Download or read book Computability and Complexity Results for Agreement Problems in Shared-memory Distributed Systems [microform] written by Eric Schenk and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1996 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Principles of Transactional Memory by : Rachid Guerraoui
Download or read book Principles of Transactional Memory written by Rachid Guerraoui and published by Morgan & Claypool Publishers. This book was released on 2010 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transactional memory (TM) is an appealing paradigm for concurrent programming on shared memory architectures. With a TM, threads of an application communicate, and synchronize their actions, via in-memory transactions. Transactions are atomic: programmers get the illusion that every transaction executes all its operations instantaneously, at some single and unique point in time. The aim of this book is to provide theoretical foundations for transactional memory.
Book Synopsis Consistent Distributed Storage by : Vincent Gramoli
Download or read book Consistent Distributed Storage written by Vincent Gramoli and published by Springer Nature. This book was released on 2022-05-31 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing a shared memory abstraction in distributed systems is a powerful tool that can simplify the design and implementation of software systems for networked platforms. This enables the system designers to work with abstract readable and writable objects without the need to deal with the complexity and dynamism of the underlying platform. The key property of shared memory implementations is the consistency guarantee that it provides under concurrent access to the shared objects. The most intuitive memory consistency model is atomicity because of its equivalence with a memory system where accesses occur serially, one at a time. Emulations of shared atomic memory in distributed systems is an active area of research and development. The problem proves to be challenging, and especially so in distributed message passing settings with unreliable components, as is often the case in networked systems. We present several approaches to implementing shared memory services with the help of replication on top of message-passing distributed platforms subject to a variety of perturbations in the computing medium.
Author :Uri Postavsky Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 : Total Pages : pages Book Rating :4.:/5 (222 download)
Book Synopsis Distributed Compilation Using Distributed Shared Memory [microform] by : Uri Postavsky
Download or read book Distributed Compilation Using Distributed Shared Memory [microform] written by Uri Postavsky and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Adley Kam Wing Lo Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612340404 Total Pages :86 pages Book Rating :4.3/5 (44 download)
Book Synopsis Tolerating Latency in Software Distributed Shared Memory Systems Through Multithreading [microform] by : Adley Kam Wing Lo
Download or read book Tolerating Latency in Software Distributed Shared Memory Systems Through Multithreading [microform] written by Adley Kam Wing Lo and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1998 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Consensus Problem in Unreliable Shared Memory Systems by : Ashish Karkare
Download or read book The Consensus Problem in Unreliable Shared Memory Systems written by Ashish Karkare and published by . This book was released on 1990 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Charles Quoc Cuong Chan Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612340367 Total Pages :74 pages Book Rating :4.3/5 (43 download)
Book Synopsis Tolerating Latency in Software Distributed Shared Memory Systems Through Non-binding Prefetching [microform] by : Charles Quoc Cuong Chan
Download or read book Tolerating Latency in Software Distributed Shared Memory Systems Through Non-binding Prefetching [microform] written by Charles Quoc Cuong Chan and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1998 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sequentially Consistent Shared Memory for Distributed Systems by : Hongbing Wang
Download or read book Sequentially Consistent Shared Memory for Distributed Systems written by Hongbing Wang and published by . This book was released on 1993 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On Achieving Consensus Using a Shared Memory by : K. Abrahamson
Download or read book On Achieving Consensus Using a Shared Memory written by K. Abrahamson and published by . This book was released on 1988 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Special Issue on Distributed Shared Memory Systems by : per Stenström
Download or read book Special Issue on Distributed Shared Memory Systems written by per Stenström and published by . This book was released on 1999 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the Relative Power of Shared Objects in Fault-tolerant Distributed Systems by : Wai Kau Lo
Download or read book On the Relative Power of Shared Objects in Fault-tolerant Distributed Systems written by Wai Kau Lo and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fundamental question in distributed computing is to determine whether a given set of "base" shared object types can be used to implement a new type. In this thesis we study this problem in a fault-tolerant setting, where implementations must work even if some of the processes that share the objects may crash. An implementation is t-resilient, if it tolerates the crash of t processes; it is wait-free, if it is $(n - 1)$-resilient, where n is the number of processes. This thesis makes two contributions. The first concerns the classification of shared object types according to their ability to support wait-free implementations. A wait-free hierarchy assigns object types to levels in $\{1,2,\...\}$ such that, using only objects of any type assigned to level n, in conjunction with registers, we can implement an object of any type in a wait-free manner in a system of n processes. Such a hierarchy is robust if, in a system of n processes, it is not possible to implement objects of types at level n in a wait-free manner, using any number and combination of objects of types that are below level n. We show that, if nondeterministic types are allowed, then the only robust wait-free hierarchy is the trivial one, which lumps all types into level one. One important and useful object type is consensus, because consensus objects and registers alone can be used to implement objects of any type. The second contribution of the thesis concerns the ability of object types to support one-resilient implementations of the type consensus. Specifically, we study the relationship between the one-resilient implementability of consensus objects for n processes and that for $n - 1$ processes, for every $n \ge 3.$ On the one hand, the following is shown for n = 3: there exists a deterministic type that can be used to implement a one-resilient consensus object for three, but not two, processes. On the other hand, for every $n \ge 4$, we show that given any set ${\cal B}$ of object types, there is a one-resilient implementation of a consensus object for n processes using ${\cal B}$ if and only if there is a one-resilient implementation of a consensus object for $n - 1$ processes using ${\cal B}.$
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