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Author : Mark Moir
Publisher :
ISBN 13 :
Total Pages : 532 pages
Book Rating : 4.:/5 (362 download)
Download or read book Efficient Object Sharing in Shared-memory Multiprocessors written by Mark Moir and published by . This book was released on 1996 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michel Dubois
Publisher : Springer Science & Business Media
ISBN 13 : 9780792392194
Total Pages : 360 pages
Book Rating : 4.3/5 (921 download)
Download or read book Scalable Shared Memory Multiprocessors written by Michel Dubois and published by Springer Science & Business Media. This book was released on 1992 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathematics of Computing -- Parallelism.
Author : Michel Dubois
Publisher : Springer Science & Business Media
ISBN 13 : 1461536049
Total Pages : 326 pages
Book Rating : 4.4/5 (615 download)
Download or read book Scalable Shared Memory Multiprocessors written by Michel Dubois and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: The workshop on Scalable Shared Memory Multiprocessors took place on May 26 and 27 1990 at the Stouffer Madison Hotel in Seattle, Washington as a prelude to the 1990 International Symposium on Computer Architecture. About 100 participants listened for two days to the presentations of 22 invited The motivation for this workshop was to speakers, from academia and industry. promote the free exchange of ideas among researchers working on shared-memory multiprocessor architectures. There was ample opportunity to argue with speakers, and certainly participants did not refrain a bit from doing so. Clearly, the problem of scalability in shared-memory multiprocessors is still a wide-open question. We were even unable to agree on a definition of "scalability". Authors had more than six months to prepare their manuscript, and therefore the papers included in this proceedings are refinements of the speakers' presentations, based on the criticisms received at the workshop. As a result, 17 authors contributed to these proceedings. We wish to thank them for their diligence and care. The contributions in these proceedings can be partitioned into four categories 1. Access Order and Synchronization 2. Performance 3. Cache Protocols and Architectures 4. Distributed Shared Memory Particular topics on which new ideas and results are presented in these proceedings include: efficient schemes for combining networks, formal specification of shared memory models, correctness of trace-driven simulations,synchronization, various coherence protocols, .
Author : James Anderson
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (455 download)
Download or read book Mechanisms for Scalable Object Sharing in MIMD Multiprocessing Systems written by James Anderson and published by . This book was released on 1998 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this project, object sharing schemes for both real time and non-real time concurrent systems have been investigated. A particular focus has been uniprocessor and shared memory multiprocessor systems with processors that are multiprogrammed (many processes executing on the same processor). Much of the work in this project has been concerned with lock free and wait free shared object implementations. Such implementations are not lock based, and therefore are immune to performance problems associated with process preemptions in multiprogrammed systems. A variety of new algorithmic techniques for efficiently implementing concurrent objects have been developed and tested in this project. In addition, research has been conducted on schedulability tests for use in real time systems in which the proposed object sharing techniques are used.
Author : Michael Joseph Feeley
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (289 download)
Download or read book Distributed Shared Memory with Versioned Objects written by Michael Joseph Feeley and published by . This book was released on 1992 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: In VDOM a version number is associated with each object. Multiple versions of objects can coexist and may be cached in local memories as needed to increase concurrency. Object coherence is driven by synchronization methods implicitly associated with each object. Explicit versioning is used as the basis for a memory consistency model that facilitates efficient fine-grain sharing of objects. The units of VDOM coherence are fragment objects, from which language-level objects are constructed; this fragmentation solves the false-sharing problem for language-level objects. The performance of VDOM primitives compared to standard DOM coherence is presented, along with speedup results for two parallel applications implemented using VDOM."
Author : Clyde P. Kruskal
Publisher : Forgotten Books
ISBN 13 : 9780656021116
Total Pages : 38 pages
Book Rating : 4.0/5 (211 download)
Download or read book Efficient Synchronization on Multiprocessors With Shared Memory (Classic Reprint) written by Clyde P. Kruskal and published by Forgotten Books. This book was released on 2018-02-07 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Efficient Synchronization on Multiprocessors With Shared Memory A new formalism is given for read-modify-write (rmw) synchronization opera tions. This formalism is used to extend the memory reference combining mechan ism, introduced in the nyu Ultracomputer, to arbitrary rmw operations. A for mal correctness proof of this combining mechanism is given. General requirements for the practicality of combining are discussed. Combining is shown to be practical for many useful memory access Operations. This includes memory updates of the form mem_val mem_val op val, where op need not be associative, and a variety of synchronization primitives. The computation involved is shown to be closely re lated to parallel prefix evaluation. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (123 download)
Download or read book Efficient Synchronization on Multiprocessors with Shared Memory written by Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory and published by . This book was released on 1986 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Harjinder Singh Sandhu
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.:/5 (222 download)
Download or read book Shared Regions written by Harjinder Singh Sandhu and published by . This book was released on 1995 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (123 download)
Download or read book Efficient Synchronization on Multiprocessors with Shared Memory written by Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory and published by . This book was released on 1986 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Maged M. Michael
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.:/5 (388 download)
Download or read book Reducing the Overhead of Sharing on Shared Memory Multiprocessors written by Maged M. Michael and published by . This book was released on 1997 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eva Kühn
Publisher : Nova Publishers
ISBN 13 : 9781590331019
Total Pages : 138 pages
Book Rating : 4.3/5 (31 download)
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
Author : Stefanos Kaxiras
Publisher :
ISBN 13 :
Total Pages : 516 pages
Book Rating : 4.:/5 (89 download)
Download or read book Identification and Optimization of Sharing Patterns for Scalable Shared-memory Multiprocessors written by Stefanos Kaxiras and published by . This book was released on 1998 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shin-Yuan Tzou
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (245 download)
Download or read book Efficient Local Data Movement in Shared-memory Multiprocessor Systems written by Shin-Yuan Tzou and published by . This book was released on 1987 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes the design of the DASH mechanism for moving data between virtual address spaces. This design integrates interprocess communication (IPC), virtual memory, and process scheduling mechanisms. By adopting a particular choice of IPC semant ics based on a protected shared memory model, we are able to eliminate many of the overheads that would otherwise arise from VM remapping in shared-memory multiprocessors. Put simply, we reduce the need for synchronous remapping and, when it is necessary , we do it efficiently.
Author :
Publisher :
ISBN 13 :
Total Pages : 848 pages
Book Rating : 4.F/5 ( download)
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1999 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rice University. Dept. of Computer Science
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (329 download)
Download or read book Efficient Distributed Shared Memory Based on Multi-protocol Release Consistency written by Rice University. Dept. of Computer Science and published by . This book was released on 1993 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "A distributed shared memory (DSM) system allows shared memory parallel programs to be executed on distributed memory multiprocessors. The challenge in building a DSM system is to achieve good performance over a wide range of shared memory programs without requiring extensive modifications to the source code. The performance challenge translates into reducing the amount of communication performed by the DSM system to that performed by an equivalent message passing program. This thesis describes four novel techniques for reducing the communication overhead of DSM, including: (i) the use of software release consistency, (ii) support for multiple consistency protocols, (iii) a multiple writer protocol, and (iv) an update timeout mechanism. Release consistency allows modifications of shared data to be handled via a delayed update queue, which masks network latencies. Providing multiple consistency protocols allows each shared variable to be kept consistent using a protocol well-suited to the way it is accessed. A multiple writer protocol addresses the problem of false sharing by reducing the amount of unnecessary communication performed to keep falsely shared data consistent. The update timeout mechanism reduces the impact of updates to stale data. These techniques have been implemented in the Munin DSM system. The impact of these features is evaluated by comparing the performance of a collection of shared memory programs running under Munin with equivalent message passing and conventional DSM programs. Over half of the shared memory programs achieved at least 95% of the speedup of their message passing equivalents. For the other programs, the performance bottlenecks were removed via minor program modifications. Furthermore, Munin programs achieved from 25% to over 100% higher speedups than equivalent conventional DSM programs when there was a high degree of sharing. The results indicate that DSM can be a viable alternative to message passing if the amount of unnecessary communication is minimized."
Author : Ioannis Vlahavas
Publisher : Springer Science & Business Media
ISBN 13 : 1475761341
Total Pages : 156 pages
Book Rating : 4.4/5 (757 download)
Download or read book Parallel, Object-Oriented, and Active Knowledge Base Systems written by Ioannis Vlahavas and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge Base Systems are an integration of conventional database systems with Artificial Intelligence techniques. They provide inference capabilities to the database system by encapsulating the knowledge of the application domain within the database. Knowledge is the most valuable of all corporate resources that must be captured, stored, re-used and continuously improved, in much the same way as database systems were important in the previous decade. Flexible, extensible, and yet efficient Knowledge Base Systems are needed to capture the increasing demand for knowledge-based applications which will become a significant market in the next decade. Knowledge can be expressed in many static and dynamic forms; the most prominent being domain objects, their relationships, and their rules of evolution and transformation. It is important to express and seamlessly use all types of knowledge in a single Knowledge Base System. Parallel, Object-Oriented, and Active Knowledge Base Systems presents in detail features that a Knowledge Base System should have in order to fulfill the above requirements. Parallel, Object-Oriented, and Active Knowledge Base Systems covers in detail the following topics: Integration of deductive, production, and active rules in sequential database systems. Integration and inter-operation of multiple rule types into the same Knowledge Base System. Parallel rule matching and execution, for deductive, production, and active rules, in parallel Export, Knowledge Base, and Database Systems. In-depth description of a Parallel, Object-Oriented, and Active Knowledge Base System that integrates all rule paradigms into a single database system without hindering performance. Parallel, Object-Oriented, and Active Knowledge Base Systems is intended as a graduate-level text for a course on Knowledge Base Systems and as a reference for researchers and practitioners in the areas of database systems, knowledge base systems and Artificial Intelligence.
Author : Tor E. Jeremiassen
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (258 download)
Download or read book Reducing False Sharing on Shared Memory Multiprocessors Through Compile Time Data Transformations written by Tor E. Jeremiassen and published by . This book was released on 1994 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
