NDLI: Distributed minimum energy point tracking for systems-on-chip

Content Provider	IEEE Xplore Digital Library
Author	Ababei, C. Tamma, C.
Copyright Year	2014
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Marquette Univ., Milwaukee, WI, USA (Ababei, C.; Tamma, C.)
Abstract	We propose a new design approach for systems-on-chip. The goal of the proposed design approach is to minimize the overall energy consumption dynamically, during runtime. The proposed approach builds on the well known globally asynchronous locally synchronous design style. To minimize power noise and losses, we propose to use a single highvoltage global power delivery network. Locally integrated DC-DC regulators generate a discrete range of supply voltage levels. These regulators are dynamically controlled by novel minimum energy point tracking (MEPT) controllers. The goal of the MEPT controllers is to seek in a decentralized fashion the minimum energy consumption point of each voltage frequency island via dynamic voltage and frequency scaling, thereby driving the entire SoC toward minimum energy consumption. Since the proposed MEPT controller relies on the extremum-seeking control theory, its stability is theoretically guaranteed. While the scope of this project is to address all design aspects of the proposed design style, in this paper, our contribution is to introduce and discuss the MEPT controller. Simulation results demonstrate its operation.
Starting Page	246
Ending Page	251
File Size	1172905
Page Count	6
File Format	PDF
ISBN	9781479947744
ISSN	21540373
DOI	10.1109/EIT.2014.6871770
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	System-on-chip Delays Voltage control Energy consumption DC-DC power converters Circuit stability Stability analysis minimum energy point tracking system-on-chip power consumption
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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