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Author | : Tim Harris |
Publisher | : Morgan & Claypool Publishers |
Total Pages | : 263 |
Release | : 2010-10-10 |
Genre | : Technology & Engineering |
ISBN | : 1608452360 |
Download Transactional Memory, 2nd Edition Book in PDF, ePub and Kindle
The advent of multicore processors has renewed interest in the idea of incorporating transactions into the programming model used to write parallel programs. This approach, known as transactional memory, offers an alternative, and hopefully better, way to coordinate concurrent threads. The ACI (atomicity, consistency, isolation) properties of transactions provide a foundation to ensure that concurrent reads and writes of shared data do not produce inconsistent or incorrect results. At a higher level, a computation wrapped in a transaction executes atomically - either it completes successfully and commits its result in its entirety or it aborts. In addition, isolation ensures the transaction produces the same result as if no other transactions were executing concurrently. Although transactions are not a parallel programming panacea, they shift much of the burden of synchronizing and coordinating parallel computations from a programmer to a compiler, to a language runtime system, or to hardware. The challenge for the system implementers is to build an efficient transactional memory infrastructure. This book presents an overview of the state of the art in the design and implementation of transactional memory systems, as of early spring 2010. Table of Contents: Introduction / Basic Transactions / Building on Basic Transactions / Software Transactional Memory / Hardware-Supported Transactional Memory / Conclusions
Author | : Tim Harris |
Publisher | : Springer Nature |
Total Pages | : 247 |
Release | : 2022-05-31 |
Genre | : Technology & Engineering |
ISBN | : 3031017285 |
Download Transactional Memory, Second Edition Book in PDF, ePub and Kindle
The advent of multicore processors has renewed interest in the idea of incorporating transactions into the programming model used to write parallel programs. This approach, known as transactional memory, offers an alternative, and hopefully better, way to coordinate concurrent threads. The ACI (atomicity, consistency, isolation) properties of transactions provide a foundation to ensure that concurrent reads and writes of shared data do not produce inconsistent or incorrect results. At a higher level, a computation wrapped in a transaction executes atomically - either it completes successfully and commits its result in its entirety or it aborts. In addition, isolation ensures the transaction produces the same result as if no other transactions were executing concurrently. Although transactions are not a parallel programming panacea, they shift much of the burden of synchronizing and coordinating parallel computations from a programmer to a compiler, to a language runtime system, or to hardware. The challenge for the system implementers is to build an efficient transactional memory infrastructure. This book presents an overview of the state of the art in the design and implementation of transactional memory systems, as of early spring 2010. Table of Contents: Introduction / Basic Transactions / Building on Basic Transactions / Software Transactional Memory / Hardware-Supported Transactional Memory / Conclusions
Author | : Austen McDonald |
Publisher | : |
Total Pages | : 170 |
Release | : 2009 |
Genre | : |
ISBN | : |
Download Architectures for Transactional Memory Book in PDF, ePub and Kindle
Author | : Tim Harris |
Publisher | : Morgan & Claypool Publishers |
Total Pages | : 247 |
Release | : 2010 |
Genre | : Computers |
ISBN | : 1608452352 |
Download Transactional Memory Book in PDF, ePub and Kindle
The advent of multicore processors has renewed interest in the idea of incorporating transactions into the programming model used to write parallel programs. This approach, known as transactional memory, offers an alternative, and hopefully better, way to coordinate concurrent threads. The ACI (atomicity, consistency, isolation) properties of transactions provide a foundation to ensure that con-current reads and writes of shared data do not produce inconsistent or incorrect results. At a higher level, a computation wrapped in a transaction executes atomically---either it completes successfully and commits its result in its entirety or it aborts. In addition, isolation ensures the transaction produces the same result as if no other transactions were executing concurrently. Although transactions are not a parallel programming panacea, they shift much of the burden of synchronizing and co-ordinating parallel computations from a programmer to a compiler, to a language runtime system, or to hardware. The challenge for the system implementers is to build an efficient transactional memory infrastructure. This book presents an overview of the state of the art in the design and implementation of transactional memory systems, as of early spring 2010.
Author | : Maurice Herlihy |
Publisher | : |
Total Pages | : 40 |
Release | : 1992 |
Genre | : Computer architecture |
ISBN | : |
Download Transactional memory Book in PDF, ePub and Kindle
Author | : Rachid Guerraoui |
Publisher | : Springer |
Total Pages | : 470 |
Release | : 2014-12-29 |
Genre | : Computers |
ISBN | : 331914720X |
Download Transactional Memory. Foundations, Algorithms, Tools, and Applications Book in PDF, ePub and Kindle
The advent of multi-core architectures and cloud-computing has brought parallel programming into the mainstream of software development. Unfortunately, writing scalable parallel programs using traditional lock-based synchronization primitives is well known to be a hard, time consuming and error-prone task, mastered by only a minority of specialized programmers. Building on the familiar abstraction of atomic transactions, Transactional Memory (TM) promises to free programmers from the complexity of conventional synchronization schemes, simplifying the development and verification of concurrent programs, enhancing code reliability, and boosting productivity. Over the last decade TM has been subject to intense research on a broad range of aspects including hardware and operating systems support, language integration, as well as algorithms and theoretical foundations. On the industrial side, the major players of the software and hardware markets have been up-front in the research and development of prototypal products providing support for TM systems. This has recently led to the introduction of hardware TM implementations on mainstream commercial microprocessors and to the integration of TM support for the world’s leading open source compiler. In such a vast inter-disciplinary domain, the Euro-TM COST Action (IC1001) has served as a catalyzer and a bridge for the various research communities looking at disparate, yet subtly interconnected, aspects of TM. This book emerged from the idea having Euro-TM experts compile recent results in the TM area in a single and consistent volume. Contributions have been carefully selected and revised to provide a broad coverage of several fundamental issues associated with the design and implementation of TM systems, including their theoretical underpinnings and algorithmic foundations, programming language integration and verification tools, hardware supports, distributed TM systems, self-tuning mechanisms, as well as lessons learnt from building complex TM-based applications.
Author | : Zaher Owda |
Publisher | : |
Total Pages | : |
Release | : 2017 |
Genre | : |
ISBN | : |
Download Predictable Transactional Memory Architecture for Hierarchical Mixed-criticality Systems Book in PDF, ePub and Kindle
Author | : Rachid Guerraoui |
Publisher | : Morgan & Claypool Publishers |
Total Pages | : 194 |
Release | : 2010 |
Genre | : Computers |
ISBN | : 1608450112 |
Download Principles of Transactional Memory Book in PDF, ePub and Kindle
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.
Author | : Rachid Guerraoui |
Publisher | : Springer Nature |
Total Pages | : 179 |
Release | : 2022-06-01 |
Genre | : Computers |
ISBN | : 3031020022 |
Download Principles of Transactional Memory Book in PDF, ePub and Kindle
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. Each transaction can perform any number of operations on shared data, and then either commit or abort. When the transaction commits, the effects of all its operations become immediately visible to other transactions; when it aborts, however, those effects are entirely discarded. Transactions are atomic: programmers get the illusion that every transaction executes all its operations instantaneously, at some single and unique point in time. Yet, a TM runs transactions concurrently to leverage the parallelism offered by modern processors. The aim of this book is to provide theoretical foundations for transactional memory. This includes defining a model of a TM, as well as answering precisely when a TM implementation is correct, what kind of properties it can ensure, what are the power and limitations of a TM, and what inherent trade-offs are involved in designing a TM algorithm. While the focus of this book is on the fundamental principles, its goal is to capture the common intuition behind the semantics of TMs and the properties of existing TM implementations. Table of Contents: Introduction / Shared Memory Systems / Transactional Memory: A Primer / TM Correctness Issues / Implementing a TM / Further Reading / Opacity / Proving Opacity: An Example / Opacity vs.\ Atomicity / Further Reading / The Liveness of a TM / Lock-Based TMs / Obstruction-Free TMs / General Liveness of TMs / Further Reading / Conclusions
Author | : Clifford Scott Ananian |
Publisher | : |
Total Pages | : 212 |
Release | : 2007 |
Genre | : |
ISBN | : |
Download Architectural and Compiler Support for Strongly Atomic Transactional Memory Book in PDF, ePub and Kindle
Transactions are gaining ground as a programmer-friendly means of expressing concurrency, as microarchitecture trends make it clear that parallel systems are in our future. This thesis presents the design and implementation of four efficient and powerful transaction systems: ApeX, an object oriented software-only system; UTM and LTM, two scalable systems using custom processor extensions; and HyApeX, a hybrid of the software and hardware systems, obtaining the benefits of both. The software transaction system implements strong atomicity, which ensures that transactions are protected from the influence of nontransactional code. Previous software systems use weaker atomicity guarantees because strong atomicity is presumed to be too expensive. In this thesis strong atomicity is obtained with minimal slowdown for nontransactional code. Compiler analyses can further improve the eciency of the mechanism, which has been formally veried with the Spin model-checker. The low overhead of ApeX allows it to be protably combined with a hardware transaction system to provide fast execution of short and small transactions, while allowing fallback to software for large or complicated transactions. I present UTM, a hardware transactional memory system allowing unbounded virtualizable transactions, and show how a hybrid system can be obtained.