NDLI: Adaptive Power Management for the On-Chip Communication Network

Content Provider	IEEE Xplore Digital Library
Author	Liang, G. Jantsch, A.
Copyright Year	2006
Description	Author affiliation: Amsterdam Univ. (Liang, G.)
Abstract	An on-chip communication network is most power efficient when it operates just below the saturation point. For any given traffic load the network can be operated in this region by adjusting frequency and voltage. For a deflective routing network we propose the design of a central controller for dynamic frequency and voltage scaling. Given history information including the load and frequency in the network, the controller adjusts the frequency and voltage such that the network operates just below the saturation point. We provide control mechanisms for continuous and discrete frequency ranges. With a discrete frequency range and taking into account voltage switching delays, we evaluate the control mechanism under stochastic, smoothly varying and very bursty traffic. Experiments demonstrate that adaptive control is very effective in minimizing power consumption at reasonable performance. Compared with a fixed high frequency network, the adaptively controlled network is significantly more power efficient. We compare it to fixed frequency networks, which are either too slow exhibiting unbounded delays, or are dimensioned for the worst case with very high frequency and are very power hungry
Sponsorship	IEEE CPS
Starting Page	649
Ending Page	656
File Size	674208
Page Count	8
File Format	PDF
ISBN	0769526098
DOI	10.1109/DSD.2006.21
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-30
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy management Network-on-a-chip Communication networks Frequency Dynamic voltage scaling Voltage control Telecommunication traffic Routing Centralized control Communication system control
Content Type	Text
Resource Type	Article

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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
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