Near Threshold Computing Technology, Methods and Applications
This book explores near-threshold computing (NTC), a design-space using techniques to run digital chips (processors) near the lowest possible voltage. Readers will be enabled with specific techniques to design chips that are extremely robust; tolera
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Near Threshold Computing
Technology, Methods and Applications
Near Threshold Computing
Michael Hübner • Cristina Silvano Editors
Near Threshold Computing Technology, Methods and Applications
Editors Michael Hübner Ruhr-Universität Bochum Bochum, Germany
Cristina Silvano Politecnico di Milano Milano, Italy
ISBN 978-3-319-23388-8 ISBN 978-3-319-23389-5 DOI 10.1007/978-3-319-23389-5
(eBook)
Library of Congress Control Number: 2015954945 Springer Cham Heidelberg New York Dordrecht London © Springer International Publishing Switzerland 2016 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper Springer International Publishing AG Switzerland is part of Springer Science+Business Media (www.springer.com)
“He had the vague sense of standing on a threshold, the crossing of which would change everything.” – Kate Morton, The Forgotten Garden
Preface
To face with the power/utilization wall posing the dark silicon problem, nearthreshold computing (NTC) has emerged as one of the most promising approaches to achieve an order of magnitude improvement or more in energy efficiency of microprocessors and reconfigurable hardware. NTC takes advantage of the quadratic relation between the supply voltage (Vdd) and the dynamic power, by lowering the supply voltage of chips to a value only slightly higher than the threshold voltage. The reduction in power, however, comes with associated drawbacks that include low operating frequency, less reliable operation of both logic and memory, and much higher sensitivity to parameter variability. Recently, industry and academia are actively investigating the technology and architecture issues, and some promising results have already been achieved. However, many challenges remain before NTC can become mainstream. This book provides a deep insight view form into the most relevant topics related to near-threshold computing from different perspectives. The book chapters are organized in three main parts showing highly relevant resear
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