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Predictive Temperature-Aware DVFS
- Authors
- Lee, Jong Sung; Skadron, Kevin; Chung, Sung Woo
- Issue Date
- 1월-2010
- Publisher
- IEEE COMPUTER SOC
- Keywords
- Microprocessor; dynamic thermal management; thermal sensor; performance counter; DVFS
- Citation
- IEEE TRANSACTIONS ON COMPUTERS, v.59, no.1, pp.127 - 133
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON COMPUTERS
- Volume
- 59
- Number
- 1
- Start Page
- 127
- End Page
- 133
- ISSN
- 0018-9340
- Abstract
- In this paper, we propose predictive temperature-aware Dynamic Voltage and Frequency Scaling (DVFS) using the performance counters that are already embedded in commercial microprocessors. By using the performance counters and simple regression analysis, we can predict the localized temperature and efficiently scale the voltage/frequency. When localized thermal problems that were not detected by thermal sensors are found after layout (or fabrication), the thermal problems can be avoided by the proposed software solution without delaying time-to-market. The evaluation results show that in a Linux-based laptop with the Intel Core2 Duo processor, DVFS using the performance counters performs comparable to DVFS using the thermal sensor.
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