Frequency Aware Static Timing Analysis For Power Aware Embedded Architectures
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Frequency Aware Static Timing Analysis For Power Aware Embedded Architectures
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Author : Kiran Ravi Seth
language : en
Publisher:
Release Date : 2003
Frequency Aware Static Timing Analysis For Power Aware Embedded Architectures written by Kiran Ravi Seth and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Keywords: real-time scheduling, frequency scaling, real-time systems, dynamic voltage scaling.
Frequency Aware Static Timing Analysis For Power Aware Embedded Architectures
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Author :
language : en
Publisher:
Release Date : 2003
Frequency Aware Static Timing Analysis For Power Aware Embedded Architectures written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Power is a valuable resource in embedded systems as the lifetime of many such systems is constrained by their battery capacity. Recent advances in processor design have added support for dynamic frequency/voltage scaling (DVS) for saving power. Recent work on real-time scheduling focuses on saving power in static as well as dynamic scheduling environments by exploiting idle and slack due to early task completion for DVS of subsequent tasks. These scheduling algorithms rely on a priori knowledge of worst-case execution times (WCET) for each task. They assume that DVS has no effect on the worst-case execution cycles (WCEC) of a task and scale the WCET according to the processor frequency. However, for systems with memory hierarchies, the WCEC typically does change under DVS due to frequency modulation. Hence, current assumptions used by DVS schemes result in a highly exaggerated WCET. The research presented contributes novel techniques for tight and flexible static timing analysis particularly well-suited for dynamic scheduling schemes. The technical contributions are as follows: (1) The problem of changing execution cycles due to scaling techniques is assessed. (2) A parametric approach towards bounding the WCET statically with respect to the frequency is proposed. Using a parametric model, the effect of changes in frequency on the WCEC can be captured and, thus, the WCET over any frequency range can be accurately modeled. (3) The design and implementation of the frequency-aware static timing analysis (FAST) tool, based on prior experience with static timing analysis, is discussed. (4) Experiments demonstrate that the FAST tool provides safe upper bounds on the WCET, which are tight. The FAST tool allows the capture of the WCET of six benchmarks using equations that overestimate the WCET by less than 1%. FAST equations can also be used to improve existing DVS scheduling schemes to ensure that the effect of frequency scaling on WCET is considered and that the WCET use.
Power Aware Computer Systems
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Author : Babak Falsafi
language : en
Publisher: Springer
Release Date : 2005-12-24
Power Aware Computer Systems written by Babak Falsafi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-24 with Computers categories.
Welcome to the proceedings of the Power-Aware Computer Systems (PACS 2004) workshop held in conjunction with the 37th Annual International Sym- sium on Microarchitecture (MICRO-37). The continued increase of power and energy dissipation in computer systems has resulted in higher cost, lower re- ability, and reduced battery life in portable systems. Consequently, power and energy have become ?rst-class constraints at all layers of modern computer s- tems. PACS 2004 is the fourth workshop in its series to explore techniques to reduce power and energy at all levels of computer systems and brings together academic and industry researchers. The papers in these proceedings span a wide spectrum of areas in pow- aware systems. We have grouped the papers into the following categories: (1) microarchitecture- and circuit-level techniques, (2) power-aware memory and interconnect systems, and (3) frequency- and voltage-scaling techniques. The ?rst paper in the microarchitecture group proposes banking and wri- back ?ltering to reduce register ?le power. The second paper in this group - timizes both delay and power of the issue queue by packing two instructions in each issue queue entry and by memorizing upper-order bits of the wake-up tag. The third paper proposes bit slicing the datapath to exploit narrow width operations, and the last paper proposes to migrate application threads from one core to another in a multi-core chip to address thermal problems.
Dependable Computing Edcc 2005
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Author : Mario Dal Cin
language : en
Publisher: Springer
Release Date : 2005-03-31
Dependable Computing Edcc 2005 written by Mario Dal Cin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-03-31 with Computers categories.
It is always a special honor to chair the European Dependable Computing C- ference (EDCC). EDCC has become one of the well-established conferences in the ?eld of dependability in the European research area. Budapest was selected as the host of this conference due to its traditions in organizing international scienti?c events and its traditional role of serving as a meeting point between East and West. EDCC-5 was the ?fth in the series of these high-quality scienti?c conf- ences. In addition to the overall signi?cance of such a pan-European event, this year’s conference was a special one due to historic reasons. The roots of EDCC date back to the moment when the Iron Curtain fell. Originally, two groups of scientists from di?erent European countries in Western and Eastern Europe – who were active in research and education related to dependability created a – joint forum in order to merge their communities as early as in 1989. This trend has continued up to today. This year’s conference was the ?rst one where the overwhelming majority of the research groups belong to the family of European nations united in the European Union. During the past 16 years we observed that the same roots in all the professional, cultural and scienti?c senses led to a seamless integration of these research communities previously separated ar- ?cially for a long time. EDCC has become one of the main European platforms to exchange new - searchideasinthe?eldofdependability.
Power Aware Computer Systems
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Author :
language : en
Publisher:
Release Date : 2004
Power Aware Computer Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Electric batteries categories.
Energy Efficient Distributed Computing Systems
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Author : Albert Y. Zomaya
language : en
Publisher: John Wiley & Sons
Release Date : 2012-07-26
Energy Efficient Distributed Computing Systems written by Albert Y. Zomaya 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 2012-07-26 with Computers categories.
The energy consumption issue in distributed computing systems raises various monetary, environmental and system performance concerns. Electricity consumption in the US doubled from 2000 to 2005. From a financial and environmental standpoint, reducing the consumption of electricity is important, yet these reforms must not lead to performance degradation of the computing systems. These contradicting constraints create a suite of complex problems that need to be resolved in order to lead to 'greener' distributed computing systems. This book brings together a group of outstanding researchers that investigate the different facets of green and energy efficient distributed computing. Key features: One of the first books of its kind Features latest research findings on emerging topics by well-known scientists Valuable research for grad students, postdocs, and researchers Research will greatly feed into other technologies and application domains
Software Technologies For Embedded And Ubiquitous Systems
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Author : Sang Lyul Min
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-10-06
Software Technologies For Embedded And Ubiquitous Systems written by Sang Lyul Min 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 2010-10-06 with Computers categories.
The 8th IFIP Workshop on Software Technologies for Embedded and Ubiq- tous Systems (SEUS 2010) in Waidhofen/Ybbs, Austria, October 13-15, 2010, succeeded the seven previous workshops in Newport Beach, USA (2009); Capri, Italy (2008); Santorini, Greece (2007); Gyeongju, Korea (2006); Seattle, USA (2005); Vienna, Austria (2004); and Hokodate, Japan (2003); installing SEUS as a successfully established workshop in the ?eld of embedded and ubiquitous systems. SEUS 2010 continued the tradition of fostering cross-community scienti?c excellence and establishing strong links between research and industry. SEUS 2010 provided a forum where researchers and practitioners with substantial - periences and serious interests in advancing the state of the art and the state of practice in the ?eld of embedded and ubiquitous computing systems gathered with the goal of fostering new ideas, collaborations, and technologies. The c- tributions in this volume present advances in integrating the ?elds of embedded computing and ubiquitous systems. The call for papers attracted 30 submissions from all around the world. Each submission was assigned to at least four members of the Program Committee for review. The Program Committee decided to accept 21 papers, which were arranged in eight sessions. The accepted papers are from Austria, Denmark, France, Germany, Italy, Japan, Korea, Portugal, Taiwan, UK, and USA. Two keynotes complemented the strong technical program.
Real Time Systems Symposium
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Author : American Society of Mechanical Engineers
language : en
Publisher:
Release Date : 2004
Real Time Systems Symposium written by American Society of Mechanical Engineers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Technology & Engineering categories.
Embedded System Design
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Author : Peter Marwedel
language : en
Publisher: Springer
Release Date : 2017-07-26
Embedded System Design written by Peter Marwedel and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-26 with Technology & Engineering categories.
A unique feature of this textbook is to provide a comprehensive introduction to the fundamental knowledge in embedded systems, with applications in cyber-physical systems and the Internet of things. It starts with an introduction to the field and a survey of specification models and languages for embedded and cyber-physical systems. It provides a brief overview of hardware devices used for such systems and presents the essentials of system software for embedded systems, including real-time operating systems. The author also discusses evaluation and validation techniques for embedded systems and provides an overview of techniques for mapping applications to execution platforms, including multi-core platforms. Embedded systems have to operate under tight constraints and, hence, the book also contains a selected set of optimization techniques, including software optimization techniques. The book closes with a brief survey on testing. This third edition has been updated and revised to reflect new trends and technologies, such as the importance of cyber-physical systems and the Internet of things, the evolution of single-core processors to multi-core processors, and the increased importance of energy efficiency and thermal issues.
The Vlsi Handbook
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Author : Wai-Kai Chen
language : en
Publisher: CRC Press
Release Date : 2018-10-03
The Vlsi Handbook written by Wai-Kai Chen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-03 with Technology & Engineering categories.
For the new millenium, Wai-Kai Chen introduced a monumental reference for the design, analysis, and prediction of VLSI circuits: The VLSI Handbook. Still a valuable tool for dealing with the most dynamic field in engineering, this second edition includes 13 sections comprising nearly 100 chapters focused on the key concepts, models, and equations. Written by a stellar international panel of expert contributors, this handbook is a reliable, comprehensive resource for real answers to practical problems. It emphasizes fundamental theory underlying professional applications and also reflects key areas of industrial and research focus. WHAT'S IN THE SECOND EDITION? Sections on... Low-power electronics and design VLSI signal processing Chapters on... CMOS fabrication Content-addressable memory Compound semiconductor RF circuits High-speed circuit design principles SiGe HBT technology Bipolar junction transistor amplifiers Performance modeling and analysis using SystemC Design languages, expanded from two chapters to twelve Testing of digital systems Structured for convenient navigation and loaded with practical solutions, The VLSI Handbook, Second Edition remains the first choice for answers to the problems and challenges faced daily in engineering practice.