Worst Case Execution Time Estimation For Advanced Processor Architectures
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Worst Case Execution Time Estimation For Advanced Processor Architectures
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Author : Stefan M. E. Petters
language : en
Publisher:
Release Date : 2002
Worst Case Execution Time Estimation For Advanced Processor Architectures written by Stefan M. E. Petters and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
A Modular Tool Architecture For Worst Case Execution Time Analysis
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Author : Andreas Ermedahl
language : en
Publisher:
Release Date : 2003
A Modular Tool Architecture For Worst Case Execution Time Analysis written by Andreas Ermedahl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Architecture categories.
"Estimations of the Worst-Case Execution Time (WCET) are required in providing guarantees for timing of programs used in computer controlled products and other real-time computer systems. To derive program WCET estimates, both the properties of the software and the hardware must be considered. The traditional method to obtain WCET estimates is to test the system and measure the execution time. This is labor-intensive and error-prone work, which unfortunately cannot guarantee that the worst case is actually found. Static WCET analyses, on the other hand, are capable of generating safe WCET estimates without actually running the program. Such analyses use models of program flow and hardware timing to generate WCET estimates."
Time Predictable Architectures
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Author : Christine Rochange
language : en
Publisher: John Wiley & Sons
Release Date : 2014-01-17
Time Predictable Architectures written by Christine Rochange and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-17 with Computers categories.
Building computers that can be used to design embedded real-time systems is the subject of this title. Real-time embedded software requires increasingly higher performances. The authors therefore consider processors that implement advanced mechanisms such as pipelining, out-of-order execution, branch prediction, cache memories, multi-threading, multicorearchitectures, etc. The authors of this book investigate the timepredictability of such schemes.
Verification Model Checking And Abstract Interpretation
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Author : Gilles Barthe
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-01-08
Verification Model Checking And Abstract Interpretation written by Gilles Barthe and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-08 with Computers categories.
This book constitutes the refereed proceedings of the 11th International Conference on Verification, Model Checking, and Abstract Interpretation, VMCAI 2010, held in Madrid, Spain, in January 2010. The 21 papers included in this volume were carefully reviewed and selected from 57 submissions. In addition 3 invited talks and 3 invited tutorials are presented. Topics covered by VMCAI include program verification, program certification, model checking, debugging techniques, abstract interpretation, abstract domains, static analysis, type systems, deductive methods, and optimization.
Leveraging Applications Of Formal Methods Verification And Validation
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Author : Tiziana Margaria
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-11-05
Leveraging Applications Of Formal Methods Verification And Validation written by Tiziana Margaria and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-05 with Computers categories.
This volume contains the conference proceedings of ISoLA 2008, the Third International Symposium on Leveraging Applications of Formal Methods, Verification and Validation, which was held in Porto Sani (Kassandra, Chalkidiki), Greece during October 13–15, 2008, sponsored by EASST and in cooperation with the IEEE Technical Committee on Complex Systems. Following the tradition of its forerunners in 2004 and 2006 in Cyprus, and the ISoLA Workshops in Greenbelt (USA) in 2005 and in Poitiers (France) in 2007, ISoLA 2008 provided a forum for developers, users, and researchers to discuss issues related to the adoption and use of rigorous tools and methods for the specification, analysis, verification, certification, construction, test, and maintenance of systems from the point of view of their different application domains. Thus, the ISoLA series of events serves the purpose of bridging the gap between designers and developers of rigorous tools, and users in engineering and in other disciplines, and to foster and exploit synergetic relationships among scientists, engineers, software developers, decision makers, and other critical thinkers in companies and organizations. In p- ticular, by providing a venue for the discussion of common problems, requirements, algorithms, methodologies, and practices, ISoLA aims at supporting researchers in their quest to improve the utility, reliability, flexibility, and efficiency of tools for building systems, and users in their search for adequate solutions to their problems.
Advanced Techniques For Embedded Systems Design And Test
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Author : Juan C. López
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Advanced Techniques For Embedded Systems Design And Test written by Juan C. López and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Computers categories.
As electronic technology reaches the point where complex systems can be integrated on a single chip, and higher degrees of performance can be achieved at lower costs, designers must devise new ways to undertake the laborious task of coping with the numerous, and non-trivial, problems that arise during the conception of such systems. On the other hand, shorter design cycles (so that electronic products can fit into shrinking market windows) put companies, and consequently designers, under pressure in a race to obtain reliable products in the minimum period of time. New methodologies, supported by automation and abstraction, have appeared which have been crucial in making it possible for system designers to take over the traditional electronic design process and embedded systems is one of the fields that these methodologies are mainly targeting. The inherent complexity of these systems, with hardware and software components that usually execute concurrently, and the very tight cost and performance constraints, make them specially suitable to introduce higher levels of abstraction and automation, so as to allow the designer to better tackle the many problems that appear during their design. Advanced Techniques for Embedded Systems Design and Test is a comprehensive book presenting recent developments in methodologies and tools for the specification, synthesis, verification, and test of embedded systems, characterized by the use of high-level languages as a road to productivity. Each specific part of the design process, from specification through to test, is looked at with a constant emphasis on behavioral methodologies. Advanced Techniques for Embedded Systems Design and Test is essential reading for all researchers in the design and test communities as well as system designers and CAD tools developers.
Worst Case Execution Time Aware Compilation Techniques For Real Time Systems
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Author : Paul Lokuciejewski
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-09-24
Worst Case Execution Time Aware Compilation Techniques For Real Time Systems written by Paul Lokuciejewski and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-24 with Technology & Engineering categories.
For real-time systems, the worst-case execution time (WCET) is the key objective to be considered. Traditionally, code for real-time systems is generated without taking this objective into account and the WCET is computed only after code generation. Worst-Case Execution Time Aware Compilation Techniques for Real-Time Systems presents the first comprehensive approach integrating WCET considerations into the code generation process. Based on the proposed reconciliation between a compiler and a timing analyzer, a wide range of novel optimization techniques is provided. Among others, the techniques cover source code and assembly level optimizations, exploit machine learning techniques and address the design of modern systems that have to meet multiple objectives. Using these optimizations, the WCET of real-time applications can be reduced by about 30% to 45% on the average. This opens opportunities for decreasing clock speeds, costs and energy consumption of embedded processors. The proposed techniques can be used for all types real-time systems, including automotive and avionics IT systems.
Advances On P2p Parallel Grid Cloud And Internet Computing
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Author : Leonard Barolli
language : en
Publisher: Springer Nature
Release Date : 2020-10-08
Advances On P2p Parallel Grid Cloud And Internet Computing written by Leonard Barolli and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-08 with Technology & Engineering categories.
This book aims to provide the latest research findings, innovative research results, methods and development techniques from both theoretical and practical perspectives related to P2P, Grid, Cloud and Internet computing as well as to reveal synergies among such large-scale computing paradigms. P2P, Grid, Cloud and Internet computing technologies have been very fast established as breakthrough paradigms for solving complex problems by enabling aggregation and sharing of an increasing variety of distributed computational resources at large scale. Grid Computing originated as a paradigm for high-performance computing, as an alternative to expensive supercomputers through different forms of large-scale distributed computing. P2P Computing emerged as a new paradigm after client–server and web-based computing and has shown useful to the development of social networking, B2B (Business to Business), B2C (Business to Consumer), B2G (Business to Government), B2E (Business to Employee), and so on. Cloud Computing has been defined as a “computing paradigm where the boundaries of computing are determined by economic rationale rather than technical limits”. Cloud computing has fast become the computing paradigm with applicability and adoption in all application domains and providing utility computing at large scale. Finally, Internet Computing is the basis of any large-scale distributed computing paradigms; it has very fast developed into a vast area of flourishing field with enormous impact on today’s information societies serving thus as a universal platform comprising a large variety of computing forms such as Grid, P2P, Cloud and Mobile computing.
Probabilistically Time Analyzable Complex Processor Designs
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Author : Mladen Slijepcevic
language : en
Publisher:
Release Date : 2018
Probabilistically Time Analyzable Complex Processor Designs written by Mladen Slijepcevic and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Industry developing Critical Real-Time Embedded Systems (CRTES), such as Aerospace, Space, Automotive and Railways, faces relentless demands for increased guaranteed processor performance to support new advanced functionalities without increasing the verification costs and the limited power budget. To cope with those needs, more complex processor designs are required. Unfortunately, CRTES have to go through a thorough functional and timing verification process. Functional correctness verification has to ensure that despite the presence of faults system's safety will not be compromised while timing verification focus on determining the worst-case execution time (WCET) of programs running in the processor. In CRTES it is of great importance deriving trustworthy and tight WCET estimates. Current generation CRTES based on relatively simple single-core processors are already extremely difficult to verify and with the advent of multicore and manycore platforms this problem will be exacerbated. Multicore contention in the access to shared hardware resources creates a dependence of the execution time of a task with the rest of the tasks running simultaneously and this makes problem of deriving safe WCET estimate worse. Therefore, timing analysis techniques need to include a lot of pessimism when using the advanced hardware features. Probabilistic Timing Analysis (PTA) has emerged recently as a powerful method to derive WCET estimates for critical tasks on relatively complex processors. In this thesis we propose PTA-compliant hardware solutions to enable the use of more powerful and complex multicore and manycore processor architectures in future CRTES. Hardware solutions include arbitration policies and techniques to manage shared hardware resources (i.e. shared interconnection network and L2 cache), as well as approaches to obtain trustworthy WCET estimates on top of degraded hardware. PTA implemented on top of the proposed time-randomized designs allows modeling the timing behaviour of applications running in the processor in a probabilistical manner and therefore, WCET bounds can be made tighter.
Special Topics In Information Technology
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Author : Luigi Piroddi
language : en
Publisher: Springer Nature
Release Date : 2022-01-01
Special Topics In Information Technology written by Luigi Piroddi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-01 with Technology & Engineering categories.
This open access book presents thirteen outstanding doctoral dissertations in Information Technology from the Department of Electronics, Information and Bioengineering, Politecnico di Milano, Italy. Information Technology has always been highly interdisciplinary, as many aspects have to be considered in IT systems. The doctoral studies program in IT at Politecnico di Milano emphasizes this interdisciplinary nature, which is becoming more and more important in recent technological advances, in collaborative projects, and in the education of young researchers. Accordingly, the focus of advanced research is on pursuing a rigorous approach to specific research topics starting from a broad background in various areas of Information Technology, especially Computer Science and Engineering, Electronics, Systems and Control, and Telecommunications. Each year, more than 50 PhDs graduate from the program. This book gathers the outcomes of the thirteen best theses defended in 2020-21 and selected for the IT PhD Award. Each of the authors provides a chapter summarizing his/her findings, including an introduction, description of methods, main achievements and future work on the topic. Hence, the book provides a cutting-edge overview of the latest research trends in Information Technology at Politecnico di Milano, presented in an easy-to-read format that will also appeal to non-specialists.