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The Design Analysis Of Cache Coherency In Generally Interconnected Shared Memory Multiprocessor Systems
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Book Synopsis The Design & Analysis of Cache Coherency in Generally Interconnected Shared Memory Multiprocessor Systems by : Douglas E. Marquardt
Download or read book The Design & Analysis of Cache Coherency in Generally Interconnected Shared Memory Multiprocessor Systems written by Douglas E. Marquardt and published by . This book was released on 1991 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Design and Analysis of High Performance Cache Memories for Shared Memory Multiprocessor Systems by : Gunjan K. Sinha
Download or read book Design and Analysis of High Performance Cache Memories for Shared Memory Multiprocessor Systems written by Gunjan K. Sinha and published by . This book was released on 1991 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Analysis of Update-Based Cache Coherence Protocols for Scalable Shared-Memory Multiprocessors by : David Brian Glasco
Download or read book Design and Analysis of Update-Based Cache Coherence Protocols for Scalable Shared-Memory Multiprocessors written by David Brian Glasco and published by . This book was released on 1994 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Overall, this work demonstrates that update-based protocols can be used not only as a coherence mechanism, but also as a latency reducing and tolerating technique to improve the performance of a set of fine-grain scientific applications. But as with other latency reducing techniques, such as data prefetch, the technique must be used with an understanding of its consequences.
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 Performance Analysis of Cache Coherence Protocols in Shared- Memory Multiprocessor Systems Under Generalized Access Environments by : Ramachandran Subramanian
Download or read book Performance Analysis of Cache Coherence Protocols in Shared- Memory Multiprocessor Systems Under Generalized Access Environments written by Ramachandran Subramanian and published by . This book was released on 1996 with total page 598 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 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 Scalable Shared-Memory Multiprocessing by : Daniel E. Lenoski
Download or read book Scalable Shared-Memory Multiprocessing written by Daniel E. Lenoski and published by Elsevier. This book was released on 2014-06-28 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dr. Lenoski and Dr. Weber have experience with leading-edge research and practical issues involved in implementing large-scale parallel systems. They were key contributors to the architecture and design of the DASH multiprocessor. Currently, they are involved with commercializing scalable shared-memory technology.
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 Visible Synchronization Based Cache Coherence by : Krishna Kumar
Download or read book Visible Synchronization Based Cache Coherence written by Krishna Kumar and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In large scale machines, thousands of processor cycles, in other words, missed opportunities to issue floating point instructions, may be lost while waiting for a high latency synchronization or memory operation to complete, or a stall in an instruction pipeline to be dealt with. Latency is avoided by bringing data to a nearby locale for future reference (e.g., caching) while latency is tolerated by overlapping data movement with something useful. The issue of cache coherence arises whenever there are multiple copies of a shared datum in different caches of a shared-memory multiprocessor system. It is in order to maintain consistency between these multiple copies that cache coherence protocols are employed. The efficiency of latency avoidance methods is largely dependent upon the minimization of coherence traffic in the coherence protocol used to maintain cache coherency. Cache coherence protocols in general can be divided into two classes: hardware implemented ones and compiler implemented ones. Hardware implemented ones lead to large coherence traffic, and large state storage space. Conventional compiler implemented ones involve indiscriminate wasteful invalidation. There is also redundancy between synchronization operations and coherence operations. We seek to eliminate both weaknesses, by letting visible synchronization directly coordinate changes in the writability of shared data. We propose to add scalable compiler managed caches to a TERA-like multithreaded multiprocessor architecture, with user/compiler knowledge (i.e., alias analysis, dependence analysis and user directives) used to eliminate essentially all coherence traffic. To preserve scalability, we aim to use latency tolerance methods like switch-on-every-cycle multithreading, and augment this with simple, low-latency cache coherence protocols such as our visible synchronization based one.
Book Synopsis A Study of Strategies for Dealing with Cache Coherence Problems in Shared Memory Multiprocessor Systems by : Jarar Ali Shah
Download or read book A Study of Strategies for Dealing with Cache Coherence Problems in Shared Memory Multiprocessor Systems written by Jarar Ali Shah and published by . This book was released on 1996 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Performance Analysis of a Hierarchical, Cache-coherent, Shared Memory Based, Multi-processor System by : Raman Nayyar
Download or read book Performance Analysis of a Hierarchical, Cache-coherent, Shared Memory Based, Multi-processor System written by Raman Nayyar and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Design of Cache Coherent Shared Memory System by : Fuad Aljbour
Download or read book A Design of Cache Coherent Shared Memory System written by Fuad Aljbour and published by . This book was released on 1994 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Co-design of On-chip Caches and Networks for Scalable Shared-memory Many-core CMPs by : Woo Cheol Kwon
Download or read book Co-design of On-chip Caches and Networks for Scalable Shared-memory Many-core CMPs written by Woo Cheol Kwon and published by . This book was released on 2018 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chip Multi-Processors(CMPs) have become mainstream in recent years, providing increased parallelism as core counts scale. While a tiled CMP is widely accepted to be a scalable architecture for the many-core era, on-chip cache organization and coherence are far from solved problems. As the on-chip interconnect directly influences the latency and bandwidth of on-chip cache, scalable interconnect is an essential part of on-chip cache design. On the other hand, optimal design of interconnect can be determined by the traffic forms that it should handle. Thus, on-chip cache organization is inherently interleaved with on-chip interconnect design and vice versa. This dissertation aims to motivate the need for re-organization of on-chip caches to leverage the advancement of on-chip network technology to harness the full potential of future many-core CMPs. Conversely, we argue that on-chip network should also be designed to support specific functionalities required by the on-chip cache. We propose such co-design techniques to offer significant improvement of on-chip cache performance, and thus to provide scalable CMP cache solutions towards future many-core CMPs. The dissertation starts with the problem of remote on-chip cache access latency. Prior locality-aware approaches fundamentally attempt to keep data as close as possible to the requesting cores. In this dissertation, we challenge this design approach by introducing new cache organization that leverages a co-designed on-chip network that allows multi-hop single-cycle traversals. Next, the dissertation moves to cache coherence request ordering. Without built-in ordering capability within the interconnect, cache coherence protocols have to rely on external ordering points. This dissertation proposes a scalable ordered Network-on-Chip which supports ordering of requests for snoopy cache coherence. Lastly, we describe development of a 36-core research prototype chip to demonstrate that the proposed Network-on-Chip enables shared-memory CMPs to be readily scalable to many-core platforms.
Book Synopsis A Primer on Memory Consistency and Cache Coherence: Second Edition by : Vijay Nagarajan
Download or read book A Primer on Memory Consistency and Cache Coherence: Second Edition written by Vijay Nagarajan and published by Synthesis Lectures on Computer. This book was released on 2020-02-04 with total page 294 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 Analysis of Shared Memory in Multi-core Systems by : Jaya Chaitanya V S L V N
Download or read book Analysis of Shared Memory in Multi-core Systems written by Jaya Chaitanya V S L V N and published by . This book was released on 2015 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a multi-core system, the memory hierarchy and the interconnection network play a dominant role in deciding the performance of the system. In this research, we analyze the dependence of system performance on the interconnection network and memory hierarchy using a set of scientific and engineering workloads. A configuration with a smaller network has low memory access latency, but is more susceptible to memory access conflicts due to fewer memory banks. The extra delay originated from the concurrent memory access conflicts may offset the benefit of shorter latency. So, in this case a larger network with more number of memory banks can benefit from high number of concurrent memory access. This analysis reveals an important tradeoff between employing different sizes of network. Cache sharing on a multi-core processor is usually competitive. Cache coherence problems associated with private caches and the improvement in performance with sharing is analyzed in the last chapter.
