Cache Design And Timing Analysis For Preemptive Multi Tasking Real Time Uniprocessor Systems

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Cache Design and Timing Analysis for Preemptive Multi-tasking Real-time Uniprocessor Systems

Author : Yudong Tan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (67 download)

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Book Synopsis Cache Design and Timing Analysis for Preemptive Multi-tasking Real-time Uniprocessor Systems by : Yudong Tan

Download or read book Cache Design and Timing Analysis for Preemptive Multi-tasking Real-time Uniprocessor Systems written by Yudong Tan and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, we propose an approach to estimate the Worst Case Response Time (WCRT) of each task in a preemptive multi-tasking single-processor real-time system utilizing an L1 cache. The approach combines inter-task cache eviction analysis and intra-task cache access analysis to estimate the Cache Related Preemption Delay (CRPD). CRPD caused by preempting task(s) is then incorporated into WCRT analysis. We also propose a prioritized cache to reduce CRPD by exploiting cache partitioning technique. Our WCRT analysis approach is then applied to analyze the behavior of a prioritized cache. Four sets of applications with up to six concurrent tasks running are used to test our WCRT analysis approach and the prioritized cache. The experimental results show that our WCRT analysis approach can tighten the WCRT estimate by up to 32% (1.4X) over prior state-of-the-art. By using a prioritized cache, we can reduce the WCRT estimate of tasks by up to 26%, as compared to a conventional set associative cache.

Instruction and Data Cache Timing Analysis in Fixed-priority Preemptive Real-time Systems

Author : Jan Staschulat
Publisher : Cuvillier Verlag
ISBN 13 : 386727195X
Total Pages : 209 pages
Book Rating : 4.8/5 (672 download)

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Book Synopsis Instruction and Data Cache Timing Analysis in Fixed-priority Preemptive Real-time Systems by : Jan Staschulat

Download or read book Instruction and Data Cache Timing Analysis in Fixed-priority Preemptive Real-time Systems written by Jan Staschulat and published by Cuvillier Verlag. This book was released on 2007 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ACM SIGPLAN Notices

Author :
Publisher :
ISBN 13 :
Total Pages : 1376 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis ACM SIGPLAN Notices by :

Download or read book ACM SIGPLAN Notices written by and published by . This book was released on 2005-07 with total page 1376 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bundle

Author : Corey Tessler
Publisher :
ISBN 13 :
Total Pages : 193 pages
Book Rating : 4.:/5 (123 download)

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Book Synopsis Bundle by : Corey Tessler

Download or read book Bundle written by Corey Tessler and published by . This book was released on 2019 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: NPM-BUNDLE expands the positive perspective to multiple tasks on a uniprocessor system. With ITCB-DAG bringing BUNDLE0́9s analysis and scheduling techniques to multi-processor systems. Each of the scheduling algorithms require a novel hardware mechanism to anticipate execution and make scheduling decisions. To support anticipation of execution, a novel XFLICT interrupt is proposed. It is a simple mechanism that emulates the behavior of hardware breakpoints. An implementation of the BUNDLEP analytical techniques, scheduling algorithm, and XFLICT interrupt is available as a simulated platform for further research and extension. Future work is planned to expand BUNDLE0́9s positive perspective and increase adoption. The most significant barrier to adoption is the ability to deploy BUNDLE0́9s scheduling algorithm, this mandates a viable and available hardware or software mechanism to anticipate execution. NPM-BUNDLE is limited to non-preemptive multi-task scheduling and analysis, support for preemptive scheduling will increase the positive impact of BUNDLE0́9s integrated perspective.

Real-time Systems Scheduling 1

Author : Maryline Chetto
Publisher : John Wiley & Sons
ISBN 13 : 1848216653
Total Pages : 296 pages
Book Rating : 4.8/5 (482 download)

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Book Synopsis Real-time Systems Scheduling 1 by : Maryline Chetto

Download or read book Real-time Systems Scheduling 1 written by Maryline Chetto and published by John Wiley & Sons. This book was released on 2014-11-17 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Real-time systems are used in a wide range of applications, including control, sensing, multimedia, etc. Scheduling is a central problem for these computing/communication systems since responsible of software execution in a timely manner. This book provides state of knowledge in this domain with special emphasis on the key results obtained within the last decade. This book addresses foundations as well as the latest advances and findings in Real-Time Scheduling, giving all references to important papers. But nevertheless the chapters will be short and not overloaded with confusing details. Coverage includes scheduling approaches for mono-core as well as multi-core platforms, dependent tasks, networks, and notably very tremendous recent advances in scheduling of energy constrained embedded systems. Other sophisticated issues such as feedback control scheduling and timing analysis of critical applications are also addressed. This volume can serve as a textbook for courses on the topic in bachelor and in more advanced master programs. It also provides a reference for computer scientists and engineers involved in the design or the development of Cyber-Physical Systems which require up-to-date real-time scheduling solutions.

Fourth Euromicro Workshop on Real-Time Systems

Author :
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (321 download)

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Book Synopsis Fourth Euromicro Workshop on Real-Time Systems by :

Download or read book Fourth Euromicro Workshop on Real-Time Systems written by and published by . This book was released on 1992 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analytical Bounding Data Cache Behavior for Real-Time Systems

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (656 download)

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Book Synopsis Analytical Bounding Data Cache Behavior for Real-Time Systems by :

Download or read book Analytical Bounding Data Cache Behavior for Real-Time Systems written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation presents data cache analysis techniques that make it feasible to predict data cache behavior and to bound the worst-case execution time for a large class of real-time programs. Data Caches are an increasingly important architectural feature in most modern computer systems. They help bridge the gap between processor speeds and memory access times. One inherent difficulty of using data caches in a real-time system is the unpredictability of memory accesses, which makes it difficult to calculate worst-case execution times of real-time tasks. This dissertation presents an analytical framework that characterizes data cache behavior in the context of independent, periodic tasks with deadlines less than or equal to their periods, executing on a single, in-order processor. The framework presented has three major components. 1) The first component analytically derives data cache reference patterns for all scalar and non-scalar references in a task. Using these, it produces a safe and tight upper bound on the worst-case execution time of the task without considering interference from other tasks. 2) The second component calculates the worst-case execution time and response time of a task in the context of a multi-task, prioritized, preemptive environment. This component calculates Data-Cache Related Preemption Delay for tasks assuming that all tasks in the system are completely preemptive. 3) In the third component, tasks are allowed to have critical sections in which they access shared resources. In this context, two analysis techniques are presented. In the first one, a task executing in a critical section is not allowed to be preempted by any other task. In the second one, the framework incorporates Resource Sharing Policies to arbitrate accesses to shared resources, thereby improving responsiveness of high-priority tasks that do not use a particular resource. In all the components presented in this dissertation, a direct-mapped data cache is assumed. Exp.

Dissertation Abstracts International

Author :
Publisher :
ISBN 13 :
Total Pages : 794 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Dissertation Abstracts International by :

Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Real-Time Systems Design and Analysis

Author : Phillip A. Laplante
Publisher : Wiley-IEEE Press
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Real-Time Systems Design and Analysis by : Phillip A. Laplante

Download or read book Real-Time Systems Design and Analysis written by Phillip A. Laplante and published by Wiley-IEEE Press. This book was released on 1997 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: "IEEE Press is pleased to bring you this Second Edition of Phillip A. Laplante's best-selling and widely-acclaimed practical guide to building real-time systems. This book is essential for improved system designs, faster computation, better insights, and ultimate cost savings. Unlike any other book in the field, REAL-TIME SYSTEMS DESIGN AND ANALYSIS provides a holistic, systems-based approach that is devised to help engineers write problem-solving software. Laplante's no-nonsense guide to real-time system design features practical coverage of: Related technologies and their histories Time-saving tips * Hands-on instructions Pascal code Insights into decreasing ramp-up times and more!"

Bounding the Worst-case Response Times of Hard-real-time Tasks Under the Priority Ceiling Protocol in Cache-based Architectures

Author : Kaushik Poluri
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (884 download)

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Book Synopsis Bounding the Worst-case Response Times of Hard-real-time Tasks Under the Priority Ceiling Protocol in Cache-based Architectures by : Kaushik Poluri

Download or read book Bounding the Worst-case Response Times of Hard-real-time Tasks Under the Priority Ceiling Protocol in Cache-based Architectures written by Kaushik Poluri and published by . This book was released on 2013 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Schedulability analysis of hard-real-time systems requires a-priori knowledge of the worst-case execution times (WCET) of all tasks. Static timing analysis is a safe technique used for calculating WCET that attempts to model program complexity, architectural complexity and complexity introduced by interference from other tasks. Modern architectural features such as caches make static timing analysis of a single task challenging due to unpredictability introduced by their reliance on the history of memory accesses and the analysis of a set of tasks even more challenging due to cache-related interference among tasks. Researchers have proposed several static timing analysis techniques that explicitly consider cache-eviction delays for independent hard-real-time tasks executing on cache-based architectures. However, there is little research in this area for resource-sharing tasks. Recently, an analysis technique was proposed for systems using the Priority Inheritance Protocol (PIP) to manage resource-arbitration among tasks. The Priority Ceiling Protocol (PCP) is a resource-arbitration protocol that offers distinct advantages over the PIP, including deadlock avoidance. However, to the best of our knowledge, there is currently no technique to bound the WCET of resource-sharing tasks under PCP with explicit consideration of cache-eviction delays. This thesis presents a technique to bound the WCETs and hence, the Worst-Case Response Times (WCRTs) of resource-sharing hard-real-time tasks executing on cache-based uniprocessor systems, specifically focusing on data cache analysis.

Operating Systems and Middleware

Author : Max Hailperin
Publisher : Max Hailperin
ISBN 13 : 0534423698
Total Pages : 496 pages
Book Rating : 4.5/5 (344 download)

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Book Synopsis Operating Systems and Middleware by : Max Hailperin

Download or read book Operating Systems and Middleware written by Max Hailperin and published by Max Hailperin. This book was released on 2007 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: By using this innovative text, students will obtain an understanding of how contemporary operating systems and middleware work, and why they work that way.

Soft Real-Time Systems: Predictability vs. Efficiency

Author : Giorgio C Buttazzo
Publisher : Springer Science & Business Media
ISBN 13 : 0387281479
Total Pages : 281 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Soft Real-Time Systems: Predictability vs. Efficiency by : Giorgio C Buttazzo

Download or read book Soft Real-Time Systems: Predictability vs. Efficiency written by Giorgio C Buttazzo and published by Springer Science & Business Media. This book was released on 2006-07-02 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hard real-time systems are very predictable, but not sufficiently flexible to adapt to dynamic situations. They are built under pessimistic assumptions to cope with worst-case scenarios, so they often waste resources. Soft real-time systems are built to reduce resource consumption, tolerate overloads and adapt to system changes. They are also more suited to novel applications of real-time technology, such as multimedia systems, monitoring apparatuses, telecommunication networks, mobile robotics, virtual reality, and interactive computer games. This unique monograph provides concrete methods for building flexible, predictable soft real-time systems, in order to optimize resources and reduce costs. It is an invaluable reference for developers, as well as researchers and students in Computer Science.

Hard Real-Time Computing Systems

Author : Giorgio C Buttazzo
Publisher : Springer Science & Business Media
ISBN 13 : 1461406765
Total Pages : 528 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Hard Real-Time Computing Systems by : Giorgio C Buttazzo

Download or read book Hard Real-Time Computing Systems written by Giorgio C Buttazzo and published by Springer Science & Business Media. This book was released on 2011-09-10 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated edition offers an indispensable exposition on real-time computing, with particular emphasis on predictable scheduling algorithms. It introduces the fundamental concepts of real-time computing, demonstrates the most significant results in the field, and provides the essential methodologies for designing predictable computing systems used to support time-critical control applications. Along with an in-depth guide to the available approaches for the implementation and analysis of real-time applications, this revised edition contains a close examination of recent developments in real-time systems, including limited preemptive scheduling, resource reservation techniques, overload handling algorithms, and adaptive scheduling techniques. This volume serves as a fundamental advanced-level textbook. Each chapter provides basic concepts, which are followed by algorithms, illustrated with concrete examples, figures and tables. Exercises and solutions are provided to enhance self-study, making this an excellent reference for those interested in real-time computing for designing and/or developing predictable control applications.

Real-Time Systems

Author : Rajib Mall
Publisher : Pearson Education India
ISBN 13 : 9788131700693
Total Pages : 248 pages
Book Rating : 4.7/5 (6 download)

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Book Synopsis Real-Time Systems by : Rajib Mall

Download or read book Real-Time Systems written by Rajib Mall and published by Pearson Education India. This book was released on 2009-05 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: The presence and use of real-time systems is becoming increasingly common. Examples of such systems range from nuclear reactors, to automotive controllers, and also entertainment software such as games and graphics animation. The growing importance of rea.

Introduction to Embedded Systems, Second Edition

Author : Edward Ashford Lee
Publisher : MIT Press
ISBN 13 : 0262340526
Total Pages : 562 pages
Book Rating : 4.2/5 (623 download)

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Book Synopsis Introduction to Embedded Systems, Second Edition by : Edward Ashford Lee

Download or read book Introduction to Embedded Systems, Second Edition written by Edward Ashford Lee and published by MIT Press. This book was released on 2017-01-06 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to the engineering principles of embedded systems, with a focus on modeling, design, and analysis of cyber-physical systems. The most visible use of computers and software is processing information for human consumption. The vast majority of computers in use, however, are much less visible. They run the engine, brakes, seatbelts, airbag, and audio system in your car. They digitally encode your voice and construct a radio signal to send it from your cell phone to a base station. They command robots on a factory floor, power generation in a power plant, processes in a chemical plant, and traffic lights in a city. These less visible computers are called embedded systems, and the software they run is called embedded software. The principal challenges in designing and analyzing embedded systems stem from their interaction with physical processes. This book takes a cyber-physical approach to embedded systems, introducing the engineering concepts underlying embedded systems as a technology and as a subject of study. The focus is on modeling, design, and analysis of cyber-physical systems, which integrate computation, networking, and physical processes. The second edition offers two new chapters, several new exercises, and other improvements. The book can be used as a textbook at the advanced undergraduate or introductory graduate level and as a professional reference for practicing engineers and computer scientists. Readers should have some familiarity with machine structures, computer programming, basic discrete mathematics and algorithms, and signals and systems.

Operating Systems

Author : Thomas Anderson
Publisher :
ISBN 13 : 9780985673529
Total Pages : 0 pages
Book Rating : 4.6/5 (735 download)

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Book Synopsis Operating Systems by : Thomas Anderson

Download or read book Operating Systems written by Thomas Anderson and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past two decades, there has been a huge amount of innovation in both the principles and practice of operating systems Over the same period, the core ideas in a modern operating system - protection, concurrency, virtualization, resource allocation, and reliable storage - have become widely applied throughout computer science. Whether you get a job at Facebook, Google, Microsoft, or any other leading-edge technology company, it is impossible to build resilient, secure, and flexible computer systems without the ability to apply operating systems concepts in a variety of settings. This book examines the both the principles and practice of modern operating systems, taking important, high-level concepts all the way down to the level of working code. Because operating systems concepts are among the most difficult in computer science, this top to bottom approach is the only way to really understand and master this important material.

Real-Time Concepts for Embedded Systems

Author : Qing Li
Publisher : CRC Press
ISBN 13 : 1482280825
Total Pages : 307 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Real-Time Concepts for Embedded Systems by : Qing Li

Download or read book Real-Time Concepts for Embedded Systems written by Qing Li and published by CRC Press. This book was released on 2003-01-04 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: ... a very good balance between the theory and practice of real-time embedded system designs.' —Jun-ichiro itojun Hagino, Ph.D., Research Laboratory, Internet Initiative Japan Inc., IETF IPv6 Operations Working Group (v6ops) co-chair 'A cl