NDLI: Using MCD-DVS For Dynamic Thermal Management Performance Improvement

Content Provider	IEEE Xplore Digital Library
Author	Chaparro, P. Magklis, G. Gonzalez, J. Gonzalez, A.
Copyright Year	2006
Description	Author affiliation: Intel Barcelona Res. Center, Intel Labs-UPC, Barcelona (Chaparro, P.; Magklis, G.; Gonzalez, J.; Gonzalez, A.)
Abstract	With chip temperature being a major hurdle in microprocessor design, techniques to recover the performance loss due to thermal emergency mechanisms are crucial in order to sustain performance growth. Many techniques for power reduction in the past and some on thermal management more recently have contributed to alleviate this problem. Probably the most important thermal control technique is dynamic voltage and frequency scaling (DVS) which allows for almost cubic reduction in power with worst-case performance penalty only linear. So far, DVS techniques for temperature control have been studied at the chip level. Finer grain DVS is feasible if a globally-asynchronous locally-synchronous (GALS) design style is employed. GALS, also known as multiple-clock domain (MCD), allows for an independent voltage and frequency control for each one of the clock domains that are part of the chip. There are several studies on DVS for GALS that aim to improve energy and power efficiency but not temperature. This paper proposes and analyses the usage of DVS at the domain level to control temperature in a clustered MCD microarchitecture with the goal of improving the performance of applications that do not meet the thermal constraints imposed by the designers
Starting Page	140
Ending Page	146
File Size	313277
Page Count	7
File Format	PDF
ISBN	0780395247
ISSN	10879870
DOI	10.1109/ITHERM.2006.1645334
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-05-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thermal management Voltage control Disaster management Performance loss Temperature control Microprocessors Energy management Dynamic voltage scaling Frequency control Clocks
Content Type	Text
Resource Type	Article

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