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Author : Fyodor N. Golos
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (49 download)
Download or read book Performance Analysis of the Process Cache for Both Instruction and Data Traces written by Fyodor N. Golos and published by . This book was released on 1998 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Agarwal
Publisher : Springer Science & Business Media
ISBN 13 : 1461316235
Total Pages : 202 pages
Book Rating : 4.4/5 (613 download)
Download or read book Analysis of Cache Performance for Operating Systems and Multiprogramming written by Agarwal and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: As we continue to build faster and fast. er computers, their performance is be coming increasingly dependent on the memory hierarchy. Both the clock speed of the machine and its throughput per clock depend heavily on the memory hierarchy. The time to complet. e a cache acce88 is oft. en the factor that det. er mines the cycle time. The effectiveness of the hierarchy in keeping the average cost of a reference down has a major impact on how close the sustained per formance is to the peak performance. Small changes in the performance of the memory hierarchy cause large changes in overall system performance. The strong growth of ruse machines, whose performance is more tightly coupled to the memory hierarchy, has created increasing demand for high performance memory systems. This trend is likely to accelerate: the improvements in main memory performance will be small compared to the improvements in processor performance. This difference will lead to an increasing gap between prOCe880r cycle time and main memory acce. time. This gap must be closed by improving the memory hierarchy. Computer architects have attacked this gap by designing machines with cache sizes an order of magnitude larger than those appearing five years ago. Microproce880r-based RISe systems now have caches that rival the size of those in mainframes and supercomputers.
Author : John H. Fraser, III
Publisher :
ISBN 13 : 9781423584384
Total Pages : 189 pages
Book Rating : 4.5/5 (843 download)
Download or read book Cache Analysis in a Multiprocess Environment Using Execution Driven Simulation written by John H. Fraser, III and published by . This book was released on 1996-08-01 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cache memory is commonly used to bridge the gap between microprocessor and memory speeds. A wide variety of cache designs are possible, so some method is required to evaluate the benefits and costs of the various alternatives. Trace driven simulation is commonly used by the computer architecture community to analyze potential designs. Traces of benchmark execution are applied to a model of the design under study. Most of today's computer systems have been optimized based on results of these studies. One important aspect that is frequently ignored in trace driven studies is the effect of the operating system and multiprogramming on cache performance; most traces consist only of a single program's execution. It has been acknowledged in the past that this overhead introduces interference which limits the benefits of new designs, but evaluations using multiprogrammed traces have been neglected due to the lack of readily available tools that can capture such traces. In this research we describe a new tracing system that allows the capture of both operating system and multiprogrammed execution data. Cache performance is studied using multiprogrammed traces of the SPEC benchmarks. We study the effects of considering multiple tasks on the cache miss rate. The performance variation is primarily due to the presence of context switches. In an attempt to extend this work, we develop an analytical model that is used to synthetically incorporate context switches into a single process trace. We have found that the operating system introduces a small but persistent overhead to cache performance Additional processes have an even greater impact, which increases as the level of multi-tasking increases. Spatial locality is not significantly affected by these conditions, but the temporal locality of a program is substantially reduced by the presence of context switches.
Author :
Publisher : Independently Published
ISBN 13 :
Total Pages : 238 pages
Book Rating : 4.5/5 (756 download)
Download or read book Performance Analysis and Tuning on Modern CPUs written by and published by Independently Published. This book was released on 2020-11-16 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Performance tuning is becoming more important than it has been for the last 40 years. Read this book to understand your application's performance that runs on a modern CPU and learn how you can improve it. The 170+ page guide combines the knowledge of many optimization experts from different industries.
Author : Steven A. Przybylski
Publisher : Elsevier
ISBN 13 : 0080500595
Total Pages : 238 pages
Book Rating : 4.0/5 (85 download)
Download or read book Cache and Memory Hierarchy Design written by Steven A. Przybylski and published by Elsevier. This book was released on 2014-06-28 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: An authoritative book for hardware and software designers. Caches are by far the simplest and most effective mechanism for improving computer performance. This innovative book exposes the characteristics of performance-optimal single and multi-level cache hierarchies by approaching the cache design process through the novel perspective of minimizing execution times. It presents useful data on the relative performance of a wide spectrum of machines and offers empirical and analytical evaluations of the underlying phenomena. This book will help computer professionals appreciate the impact of caches and enable designers to maximize performance given particular implementation constraints.
Author : Sanjay J. Patel
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.3/5 (91 download)
Download or read book Trace Cache Design for Wide-issue Superscalar Processors written by Sanjay J. Patel and published by . This book was released on 1999 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "To maximize the performance of a wide-issue superscalar processor, the fetch mechanism must be capable of delivering at least the same instruction bandwidth as the execution mechanism is capable of consuming. Fetch mechanisms consisting of a simple instruction cache are limited by difficulty in fetching a branch and its taken target in a single cycle. Such fetch mechanisms will not suffice for processors capable of executing multiple basic blocks' worth of instructions. The Trace Cache is proposed to deal with lost fetch bandwidth due to branches. The trace cache is a structure which overcomes this partial fetch problem by storing logically contiguous instructions -- instructions which are adjacent in the instruction stream -- in physically contiguous storage. In this manner, the trace cache is able to deliver multiple non-contiguous blocks each cycle. This dissertation contains a description of the trace cache mechanism for a 16-wide issue processor, along with an evaluation of basic parameters of this mechanism, such as relative size and associativity. The main contributions of this dissertation are a series of trace cache enhancements which boost instruction fetch bandwidth by 34% and overall performance by 14% over an aggressive instruction cache. Also included is an analysis of two important performance limitations of the trace cache: branch resolution time and instruction duplication."
Author : Günter Haring
Publisher : Springer
ISBN 13 : 3540465065
Total Pages : 523 pages
Book Rating : 4.5/5 (44 download)
Download or read book Performance Evaluation: Origins and Directions written by Günter Haring and published by Springer. This book was released on 2003-06-29 with total page 523 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph-like state-of-the-art survey presents the history, the key ideas, the success stories, and future challenges of performance evaluation and demonstrates the impact of performance evaluation on a variety of different areas through case studies in a coherent and comprehensive way. Leading researchers in the field have contributed 19 cross-reviewed topical chapters competently covering the whole range of performance evaluation, from theoretical and methodological issues to applications in numerous other fields. Additionally, the book contains one contribution on the role of performance evaluation in industry and personal accounts of four pioneering researchers describing the genesis of breakthrough results. The book will become a valuable source of reference and indispensable reading for anybody active or interested in performance evaluation.
Author : International Business Machines Corporation. Research Division
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (344 download)
Download or read book Representative Traces for Processor Models with Infinite Cache written by International Business Machines Corporation. Research Division and published by . This book was released on 1995 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "Performance evaluation of processor designs using dynamic instruction traces is a critical part of the iterative design process. The widening gap between the billions of instructions in such traces for benchmark programs and the throughput of timers performing the analysis in the tens of thousands of instructions per second has led to the use of reduced traces during design. This opens up the issue of whether these traces are truly representative of the actual workload in these benchmark programs. The first key result in this paper is the introduction of a new metric, called the R-metric, to evaluate the representativeness of these reduced traces when applied to a wide class of processor designs. The second key result, is the development of a novel graph-based heuristic to generate reduced traces based on the notions incorporated in the metric. Extensive experimental results are presented on various benchmarks to demonstrate the quality of the synthetic traces and the uses of the R- metric."
Author :
Publisher :
ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.X/5 (2 download)
Download or read book ACM SIGMETRICS and Performance ... International Conference on Measurement and Modelling, Proceedings written by and published by . This book was released on 1992 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matt Postiff
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (451 download)
Download or read book Performance Limits of Trace Caches written by Matt Postiff and published by . This book was released on 1998 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "A growing number of studies have explored the use of trace caches as a mechanism to increase instruction fetch bandwidth. The trace cache is a memory structure that stores statically noncontiguous but dynamically adjacent instructions in contiguous memory locations. When coupled with an aggressive trace or multiple branch predictor, it can fetch multiple basic blocks per cycle using a single-ported cache structure. This paper compares trace cache performance to the theoretical limit of a three-block fetch mechanism equivalent to an idealized 3-ported instruction cache with a perfect alignment network. Several new metrics are defined to formalize analysis of the trace cache. These include fragmentation, duplication, indexability, and efficiency metrics. We show that performance is more limited by branch mispredictions than ability to fetch multiple blocks per cycle. As branch prediction improves, high duplication and the resulting low efficiency are shown to be among the reasons that the trace cache does not reach its upper bound. Based on the shortcomings of the trace cache discovered in this paper, we identify some potential future research areas."
Author : R. E. Kessler
Publisher :
ISBN 13 :
Total Pages : 566 pages
Book Rating : 4.:/5 (89 download)
Download or read book Analysis of Multi-megabyte Secondary CPU Cache Memories written by R. E. Kessler and published by . This book was released on 1991 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the placement of pages in main memory also places data in the cache, a poor page placement will cause poor cache performance. This dissertation introduces several new careful page mapping algorithms to improve the page placement, and shows that they eliminate 10%-20% of the direct-mapped real-indexed cache misses for the long traces. In other words, this dissertation develops software techniques that can make a hardware direct-mapped cache appear about 50% larger."
Author : Lorenzo Donatiello
Publisher : Springer Science & Business Media
ISBN 13 : 9783540572978
Total Pages : 692 pages
Book Rating : 4.5/5 (729 download)
Download or read book Performance Evaluation of Computer and Communication Systems written by Lorenzo Donatiello and published by Springer Science & Business Media. This book was released on 1993-09-15 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the complete set of tutorial papers presented at the 16th IFIP (International Federation for Information Processing) Working Group 7.3 International Symposium on Computer Performance Modelling, Measurement and Evaluation, and a number of tutorial papers presented at the 1993 ACM (Association for Computing Machinery) Special Interest Group METRICS Conference on Measurement and Modeling of Computer Systems. The principal goal of the volume is to present an overview of recent results in the field of modeling and performance evaluation of computer and communication systems. The wide diversity of applications and methodologies included in the tutorials attests to the breadth and richness of current research in the area of performance modeling. The tutorials may serve to introduce a reader to an unfamiliar research area, to unify material already known, or simply to illustrate the diversity of research in the field. The extensive bibliographies guide readers to additional sources for further reading.
Author : Pamela Neelaveni
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (314 download)
Download or read book Cache Performance Analysis written by Pamela Neelaveni and published by . This book was released on 1994 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lieven Eeckhout
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1608454673
Total Pages : 129 pages
Book Rating : 4.6/5 (84 download)
Download or read book Computer Architecture Performance Evaluation Methods written by Lieven Eeckhout and published by Morgan & Claypool Publishers. This book was released on 2010 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this book is to present an overview of the current state-of-the-art in computer architecture performance evaluation. The book covers various aspects that relate to performance evaluation, ranging from performance metrics, to workload selection, to various modeling approaches such as analytical modeling and simulation. And because simulation is by far the most prevalent modeling technique in computer architecture evaluation, the book spends more than half its content on simulation, covering an overview of the various simulation techniques in the computer designer's toolbox, followed by various simulation acceleration techniques such as sampled simulation, statistical simulation, and parallel and hardware-accelerated simulation. The evaluation methods described in this book have a primary focus on performance. Although performance remains to be a key design target, it no longer is the sole design target. Power consumption and reliability have quickly become primary design concerns, and today they probably are as important as performance. Other important design constraints relate to cost, thermal issues, yield, etc. This book focuses on performance evaluation methods only. This does not compromise on the importance and general applicability of the techniques described in this book because power and reliability models are typically integrated into existing performance models. These integrated models pose similar challenges to the ones handled in this book. The book also focuses on presenting fundamental concepts and ideas. The book does not provide much quantitative data. Although quantitative data is crucial to performance evaluation, to understand the fundamentals of performance evaluation methods it is not. Moreover, quantitative data from different sources may be hard to compare, and may even be misleading, because the contexts in which the results were obtained may be very different - a comparison based on these numbe
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 : Wayne Wolf
Publisher : Elsevier
ISBN 13 : 0080475000
Total Pages : 542 pages
Book Rating : 4.0/5 (84 download)
Download or read book High-Performance Embedded Computing written by Wayne Wolf and published by Elsevier. This book was released on 2010-07-26 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past several years, embedded systems have emerged as an integral though unseen part of many consumer, industrial, and military devices. The explosive growth of these systems has resulted in embedded computing becoming an increasingly important discipline. The need for designers of high-performance, application-specific computing systems has never been greater, and many universities and colleges in the US and worldwide are now developing advanced courses to help prepare their students for careers in embedded computing.High-Performance Embedded Computing: Architectures, Applications, and Methodologies is the first book designed to address the needs of advanced students and industry professionals. Focusing on the unique complexities of embedded system design, the book provides a detailed look at advanced topics in the field, including multiprocessors, VLIW and superscalar architectures, and power consumption. Fundamental challenges in embedded computing are described, together with design methodologies and models of computation. HPEC provides an in-depth and advanced treatment of all the components of embedded systems, with discussions of the current developments in the field and numerous examples of real-world applications. Covers advanced topics in embedded computing, including multiprocessors, VLIW and superscalar architectures, and power consumption Provides in-depth coverage of networks, reconfigurable systems, hardware-software co-design, security, and program analysis Includes examples of many real-world embedded computing applications (cell phones, printers, digital video) and architectures (the Freescale Starcore, TI OMAP multiprocessor, the TI C5000 and C6000 series, and others)
Author : Harald Kosch
Publisher : Springer
ISBN 13 : 3540452095
Total Pages : 1324 pages
Book Rating : 4.5/5 (44 download)
Download or read book Euro-Par 2003 Parallel Processing written by Harald Kosch and published by Springer. This book was released on 2004-06-01 with total page 1324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Euro-ParConferenceSeries The European Conference on Parallel Computing (Euro-Par) is an international conference series dedicated to the promotion and advancement of all aspects of parallel and distributed computing. The major themes fall into the categories of hardware, software, algorithms, and applications. This year, new and interesting topicswereintroduced,likePeer-to-PeerComputing,DistributedMultimedia- stems, and Mobile and Ubiquitous Computing. For the ?rst time, we organized a Demo Session showing many challenging applications. The general objective of Euro-Par is to provide a forum promoting the de- lopment of parallel and distributed computing both as an industrial technique and an academic discipline, extending the frontiers of both the state of the art and the state of the practice. The industrial importance of parallel and dist- buted computing is supported this year by a special Industrial Session as well as a vendors’ exhibition. This is particularly important as currently parallel and distributed computing is evolving into a globally important technology; the b- zword Grid Computing clearly expresses this move. In addition, the trend to a - bile world is clearly visible in this year’s Euro-Par. ThemainaudienceforandparticipantsatEuro-Parareresearchersinaca- mic departments, industrial organizations, and government laboratories. Euro- Par aims to become the primary choice of such professionals for the presentation of new results in their speci?c areas. Euro-Par has its own Internet domain with a permanent Web site where the history of the conference series is described: http://www.euro-par.org. The Euro-Par conference series is sponsored by the Association for Computer Machinery (ACM) and the International Federation for Information Processing (IFIP).
