Eeckhout, Lieven

English

Ghent University Academic Bibliography

4 Published by the IEEE Computer Society 0272-1732/17/$33.00 © 2017 IEEEFrom the Editor in ChiefWelcome to the November/December 2017 special issue on ultra-low-power processors.The Internet of Things (IoT) rev-olution is happening at a rapid pace. Most projections forecast that the num-ber of connected IoT devices will grow exponentially, easily reaching over 100 billion within the next decade. This rev-olution leads to a vigorous demand for ultra-low-power (ULP) edge computing devices and associated system-on-chip (SoC) architectures. This special issue includes six articles that highlight some of the state-of-the-art research and potentially viable solutions in ULP pro-cessors. I suggest you read the guest edi-tors’ column for more details about these articles. I want to wholeheartedly thank David Brooks and John Sartori for their excellent work as guest editors of this special issue. I hope you will enjoy read-ing these articles as much as I did.There is one article that I would like to highlight here. Mark Bohr and Ian Young talk about CMOS scaling trends and how Intel has been able to keep Moore’s law alive over the past decades. This required continuous innovation in materials and device structures to deliver the performance, power, and cost improvements as ex-pected with each technology gener-ation. The article also highlights new device options and technology direc-tions to continue scaling in the near future. The excellent keynote Mark delivered at the ISCA 2017 conference instigated this article, and I’m grate-ful to Mark and Ian for having taken the time to write up this excellent contribution.This issue also includes two thought-provoking Expert Opinion articles about challenging topics in our field. In the first column, Bobbie Manne, Bryan Chin, and Steve Rein-hardt posit that architects should pur-sue architectural agility to lower the barriers to developing innovative and disruptive solutions in an unpredict-able and rapidly evolving technology landscape as we face new technology limitations. They present several ideas for engineers to integrate agility into both processor and datacenter design.Reetu Das describes two historical waves in processing in memory (PIM) to combat the memory wall, and then argues for moving computation closer to memory—thereby transforming memory into powerful accelerators—which seems like an appealing and promising vision in an era increas-ingly dominated by data-intensive workloads.This issue also includes an award testimonial. David Brooks reports on the 2017 ISCA Influential Paper Award, which was given to “Drowsy Caches: Simple Techniques for Re-ducing Leakage Power” by Krisztián Flautner, Nam Sung Kim, Steven M. Martin, David Blaauw, and Trevor N. Mudge. This award recognizes the paper published 15 years ago—in this case, 2002—at the ISCA conference that has had the most impact on the field (in terms of research, develop-ment, products, or ideas) during the intervening years. The drowsy cache paper made a seminal contribution to power-efficient computing. The paper was written at a time when leakage current was becoming a major con-cern, especially in large on-chip caches in high-end processors. The paper’s key idea was to put parts of the cache into a low-power “drowsy” mode to save energy while retaining the data. Con-gratulations to the award winners on their groundbreaking research!Finally, in this issue, Shane Green-stein talks about the “hush-hush norm,” which I will let you discover for yourself in the Micro Economics column.The IEEE Computer Society will be making some changes to how mag-azine articles are edited. Unfortunately, this means that our current copy ed-itor, Molly Gamborg, will no longer Moore’s Law and Ultra-Low-Power ProcessorsLieven EeckhoutGhent Universitywww.computer.org/micro November/December 2017  5be working with IEEE Micro. Molly has been IEEE Micro’s copy editor for seven years. I have interacted with her for many years, first as an author and then as the editor in chief for the past three years. I’m sure that many of you have interacted with Molly as well over these many years, as an au-thor or otherwise. Simply said, Molly did an outstanding job, both in terms of copy editing magazine articles and in terms of managing deadlines and schedules for the magazine. I’ve always been amazed by her performance and professionalism. She really made my job as the editor in chief easy and en-joyable. I feel very fortunate to have worked with Molly. At the same time, I feel saddened that she will no lon-ger be part of the team. Thanks a lot, Molly, for your great service—we will miss you!W ith that, I’d like to conclude and wish you a happy reading. Lieven Eeckhout is a professor in the Department of Electronics and Infor-mation Systems at Ghent University. Contact him at lieven.eeckhout@ugent.be.Read your subscriptions through the myCS publications portal at http://mycs.computer.orgPURPOSE: The IEEE Computer Society is the world’s largest association of computing professionals and is the leading provider of technical information in the field.MEMBERSHIP: Members receive the monthly magazine Computer, discounts, and opportunities to serve (all activities are led by volunteer members). Membership is open to all IEEE members, affiliate society members, and others interested in the computer field.OMBUDSMAN: Email ombudsman@computer.org.COMPUTER SOCIETY WEBSITE: www.computer.orgNext Board Meeting: 12–13 November 2017, Phoenix, AZ, USAEXECUTIVE COMMITTEEPresident: Jean-Luc GaudiotPresident-Elect: Hironori Kasahara; Past President: Roger U. Fujii; Secretary: Forrest Shull; First VP, Treasurer: David Lomet; Second VP, Publications: Gregory T. Byrd; VP, Member & Geographic Activities: Cecilia Metra; VP, Professional & Educational Activities: Andy T. Chen; VP, Standards Activities: Jon Rosdahl; VP, Technical & Conference Activities: Hausi A. Müller; 2017–2018 IEEE Director & Delegate Division VIII: Dejan S. Milojičić; 2016–2017 IEEE Director & Delegate Division V: Harold Javid; 2017 IEEE Director-Elect & Delegate Division V-Elect: John W. WalzBOARD OF GOVERNORSTerm Expiring 2017: Alfredo Benso, Sy-Yen Kuo, Ming C. Lin, Fabrizio Lombardi, Hausi A. Müller, Dimitrios Serpanos, Forrest J. ShullTerm Expiring 2018: Ann DeMarle, Fred Douglis, Vladimir Getov, Bruce M. McMillin, Cecilia Metra, Kunio Uchiyama, Stefano ZaneroTerm Expiring 2019: Saurabh Bagchi, Leila De Floriani, David S. Ebert, Jill I. Gostin, William Gropp, Sumi Helal, Avi MendelsonEXECUTIVE STAFFExecutive Director: Angela R. Burgess; Director, Governance & Associate Executive Director: Anne Marie Kelly; Director, Finance & Accounting: Sunny Hwang; Director, Information Technology & Services: Sumit Kacker; Director, Membership Development: Eric Berkowitz; Director, Products & Services: Evan M. Butterfield; Director, Sales & Marketing: Chris JensenCOMPUTER SOCIETY OFFICESWashington, D.C.: 2001 L St., Ste. 700, Washington, D.C. 20036-4928Phone: +1 202 371 0101 • Fax: +1 202 728 9614 • Email: hq.ofc@computer.orgLos Alamitos: 10662 Los Vaqueros Circle, Los Alamitos, CA 90720  Phone: +1 714 821 8380 • Email: help@computer.orgMembership & Publication OrdersPhone: +1 800 272 6657 • Fax: +1 714 821 4641 • Email: help@computer.orgAsia/Pacific: Watanabe Building, 1-4-2 Minami-Aoyama, Minato-ku, Tokyo 107-0062, Japan • Phone: +81 3 3408 3118 • Fax: +81 3 3408 3553 • Email: tokyo.ofc@computer.orgIEEE BOARD OF DIRECTORSPresident & CEO: Karen Bartleson; President-Elect: James Jefferies; Past President: Barry L. Shoop; Secretary: William Walsh; Treasurer: John W. Walz; Director & President, IEEE-USA: Karen Pedersen; Director & President, Standards Association: Forrest Don Wright; Director & VP, Educational Activities: S.K. Ramesh; Director & VP, Membership and Geographic Activities: Mary Ellen Randall; Director & VP, Publication Services and Products: Samir El-Ghazaly; Director & VP, Technical Activities: Marina Ruggieri; Director & Delegate Division V: Harold Javid; Director & Delegate Division VIII: Dejan S. Milojičićrevised 31 May 2017

Moore's law and ultra-low-power processors

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Moore's law and ultra-low-power processors

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Ghent University Academic Bibliography