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Implementation Of Cache Coherence Protocols In Simulated Shared Memory Multiprocessors
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Book Synopsis Implementation of Cache Coherence Protocols in Simulated Shared-memory Multiprocessors by : Chao-Chang Su
Download or read book Implementation of Cache Coherence Protocols in Simulated Shared-memory Multiprocessors written by Chao-Chang Su and published by . This book was released on 1994 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Cache Coherence Problem in Shared-Memory Multiprocessors by : Igor Tartalja
Download or read book The Cache Coherence Problem in Shared-Memory Multiprocessors written by Igor Tartalja and published by Wiley-IEEE Computer Society Press. This book was released on 1996-02-13 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book illustrates state-of-the-art software solutions for cache coherence maintenance in shared-memory multiprocessors. It begins with a brief overview of the cache coherence problem and introduces software solutions to the problem. The text defines and details static and dynamic software schemes, techniques for modeling performance evaluation mechanisms, and performance evaluation studies.
Book Synopsis Scalable Shared Memory Multiprocessors by : Michel Dubois
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, .
Book Synopsis Simulation Analysis of Data Sharing in Shared Memory Multiprocessors by : Susan J. Eggers
Download or read book Simulation Analysis of Data Sharing in Shared Memory Multiprocessors written by Susan J. Eggers and published by . This book was released on 1989 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: A cross-protocol comparison provided empirical evidence of the performance loss caused by increasing block size in write- invalidate protocols and cache size in write-broadcast. It then measured the extent to which read broadcast
Book Synopsis Cache and Interconnect Architectures in Multiprocessors by : Michel Dubois
Download or read book Cache and Interconnect Architectures in Multiprocessors written by Michel Dubois and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cache And Interconnect Architectures In Multiprocessors Eilat, Israel May 25-261989 Michel Dubois UniversityofSouthernCalifornia Shreekant S. Thakkar SequentComputerSystems The aim of the workshop was to bring together researchers working on cache coherence protocols for shared-memory multiprocessors with various interconnect architectures. Shared-memory multiprocessors have become viable systems for many applications. Bus based shared-memory systems (Eg. Sequent's Symmetry, Encore's Multimax) are currently limited to 32 processors. The fIrst goal of the workshop was to learn about the performance ofapplications on current cache-based systems. The second goal was to learn about new network architectures and protocols for future scalable systems. These protocols and interconnects would allow shared-memory architectures to scale beyond current imitations. The workshop had 20 speakers who talked about their current research. The discussions were lively and cordial enough to keep the participants away from the wonderful sand and sun for two days. The participants got to know each other well and were able to share their thoughts in an informal manner. The workshop was organized into several sessions. The summary of each session is described below. This book presents revisions of some of the papers presented at the workshop.
Book Synopsis A Primer on Memory Consistency and Cache Coherence by : Daniel Sorin
Download or read book A Primer on Memory Consistency and Cache Coherence written by Daniel Sorin and published by Morgan & Claypool Publishers. This book was released on 2011-03-02 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many modern computer systems and most multicore chips (chip multiprocessors) support shared memory in hardware. In a shared memory system, each of the processor cores may read and write to a single shared address space. For a shared memory machine, the memory consistency model defines the architecturally visible behavior of its memory system. Consistency definitions provide rules about loads and stores (or memory reads and writes) and how they act upon memory. As part of supporting a memory consistency model, many machines also provide cache coherence protocols that ensure that multiple cached copies of data are kept up-to-date. The goal of this primer is to provide readers with a basic understanding of consistency and coherence. This understanding includes both the issues that must be solved as well as a variety of solutions. We present both highlevel concepts as well as specific, concrete examples from real-world systems. Table of Contents: Preface / Introduction to Consistency and Coherence / Coherence Basics / Memory Consistency Motivation and Sequential Consistency / Total Store Order and the x86 Memory Model / Relaxed Memory Consistency / Coherence Protocols / Snooping Coherence Protocols / Directory Coherence Protocols / Advanced Topics in Coherence / Author Biographies
Book Synopsis A Primer on Memory Consistency and Cache Coherence by : Vijay Nagarajan
Download or read book A Primer on Memory Consistency and Cache Coherence written by Vijay Nagarajan and published by Morgan & Claypool Publishers. This book was released on 2020-02-04 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many modern computer systems, including homogeneous and heterogeneous architectures, support shared memory in hardware. In a shared memory system, each of the processor cores may read and write to a single shared address space. For a shared memory machine, the memory consistency model defines the architecturally visible behavior of its memory system. Consistency definitions provide rules about loads and stores (or memory reads and writes) and how they act upon memory. As part of supporting a memory consistency model, many machines also provide cache coherence protocols that ensure that multiple cached copies of data are kept up-to-date. The goal of this primer is to provide readers with a basic understanding of consistency and coherence. This understanding includes both the issues that must be solved as well as a variety of solutions. We present both high-level concepts as well as specific, concrete examples from real-world systems. This second edition reflects a decade of advancements since the first edition and includes, among other more modest changes, two new chapters: one on consistency and coherence for non-CPU accelerators (with a focus on GPUs) and one that points to formal work and tools on consistency and coherence.
Book Synopsis LC-Sim: a Simulation Framework for Evaluating Location Consistency Based Cache Protocols by : Pouya Fotouhi
Download or read book LC-Sim: a Simulation Framework for Evaluating Location Consistency Based Cache Protocols written by Pouya Fotouhi and published by . This book was released on 2017 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: New high-performance processors tend to shift from multi to many cores. More- over, shared memory has turned to dominant paradigm for mainstream multicore pro- cessors. As memory wall issue loomed over architecture design, most modern computer systems have several layers in their memory hierarchy. Among many, caches has be- come everlasting components of memory hierarchies as they signicantly reduce access time by taking the advantage of locality. ☐ Major processor vendors usually rely on cache coherence, and implement a vari- ant of MESI, e.g., MOESI for AMD, to help reduce inter-chip trac on the fast in- terconnection network. Supposedly, maintaining coherence should help with keeping parallel and concurrent programmers happy, all the while providing them with a well- known cache behavior for shared memory. This thesis challenge the assumption that Coherence is well-suited for large-scale many core processors. Seeking an alternative for coherence, LC cache protocol is extensively investigated. ☐ LC-Cache is a cache protocol weaker than Coherence, but which preserves causality. It relies on the Location Consistency (LC) model. The basic philosophy behind LC is to maintain a unique view of memory only if there is a reason to. Other ordinary memory accesses may be observed in any order by the other processors of the computer system. ☐ The motivation to stand against cache coherence, relies on underestimated lim- itations implied on system design by coherence. Observations presented in this thesis, demonstrates that coherence eliminates the possibility of having a directory based pro- tocol in practice since size of such directory grows linearly with number of cores. In addition, coherence adds implicit latency in many cases to the protocol. ☐ This thesis presents LCCSim, a simulation framework to compare cache proto- col based on location consistency against cache coherence protocols. A comparative analysis between the MESI and MOESI coherence protocols is provided, and pit them against LC-Cache. Both MESI and MOESI consistently generate more on-chip trac compared to LC cache since transitions in LC cache are done locally. However, LC cache degrades total latency of accesses as it does not take the advantage of cache to cache forwarding. Additionally, LC cache cannot be considered a true implementation based on LC since it does not behave according to the memory model. The following summarizes the contributions of this thesis: 1.Detailed specication of LC cache protocol, covering the missing aspects in the original paper. 2.A simulation framework to compare cache protocols based on LC against cache coherence protocols. 3.Extensive analysis of LC cache protocol, leading to discovery of several weak- nesses. 4.Demonstrating features for an ecient cache protocol, truly based on location consistency.
Book Synopsis Shared Memory Multiprocessing by : Norihisa Suzuki
Download or read book Shared Memory Multiprocessing written by Norihisa Suzuki and published by MIT Press. This book was released on 1992 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shared memory multiprocessors are becoming the dominant architecture for small-scale parallel computation. This book is the first to provide a coherent review of current research in shared memory multiprocessing in the United States and Japan. It focuses particularly on scalable architecture that will be able to support hundreds of microprocessors as well as on efficient and economical ways of connecting these fast microprocessors. The 20 contributions are divided into sections covering the experience to date with multiprocessors, cache coherency, software systems, and examples of scalable shared memory multiprocessors.
Book Synopsis Cache Coherence Protocols for Large-scale Multiprocessors by : D. L. Chaiken
Download or read book Cache Coherence Protocols for Large-scale Multiprocessors written by D. L. Chaiken and published by . This book was released on 1990 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Complexity-effectives Verification of a Multiprocessor Cache Coherence Protocol by : Dennis Charles Abts
Download or read book Complexity-effectives Verification of a Multiprocessor Cache Coherence Protocol written by Dennis Charles Abts and published by . This book was released on 2004 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identification and Optimization of Sharing Patterns for Scalable Shared-memory Multiprocessors by : Stefanos Kaxiras
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:
Book Synopsis Directory Based Cache Coherency Protocols for Shared Memory Multiprocessors by : Craig Warner
Download or read book Directory Based Cache Coherency Protocols for Shared Memory Multiprocessors written by Craig Warner and published by . This book was released on 1990 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some alternative directory entry formats are described, including a special entry format for implementing queueing semaphores. Evaluation of the various entry formats is done with probabilistic models of shared cache blocks and software simulation. A variable length global table organization is presented which can be used to reduce the size of the global table, regardless of the entry format. Its performance is analyzed using software simulation. A protocol which maintains a linked list of processors which have a particular block cached is presented. Several variations of this protocol induce less interconnection network traffic than traditional protocols."
Book Synopsis A suite of hierarchical cache coherence protocols by : Umakishore Ramachandran
Download or read book A suite of hierarchical cache coherence protocols written by Umakishore Ramachandran and published by . This book was released on 1988 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Application of Cache Coherent Multiprocessors by : Ashwini Kumar Nanda
Download or read book Design and Application of Cache Coherent Multiprocessors written by Ashwini Kumar Nanda and published by . This book was released on 1993 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toward the Design of Large-scale, Shared-memory Multiprocessors by : Steven Scott
Download or read book Toward the Design of Large-scale, Shared-memory Multiprocessors written by Steven Scott and published by . This book was released on 1992 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Implementation of a Directory Cache Coherence Protocol for the SESC Simulator by :
Download or read book The Implementation of a Directory Cache Coherence Protocol for the SESC Simulator written by and published by . This book was released on 2005 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: