Thermal-aware dynamic voltage frequency scaling for many-core processors under process variations

被引：5
作者：
Hong, Hyejeong [1 ]
Lim, Jaeil [1 ]
Lim, Hyunyul [1 ]
Kang, Sungho [1 ]
机构：
[1] Yonsei Univ, Sch Elect & Elect Engn, Seoul 120749, South Korea
来源：
IEICE ELECTRONICS EXPRESS | 2013年 / 10卷 / 14期
基金：
新加坡国家研究基金会;
关键词：
many-core; dynamic voltage frequency scaling; thermalaware;
D O I：
10.1587/elex.10.20130463
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Process variations yield the asymmetry on core performance in many-core processors. Adaptive voltage scaling can hide the variations, but that results in the different thermal characteristics of cores. By using the thermal characteristics, the efficiency of energy optimization and temperature management can be improved. Experiments showed that the proposed dynamic voltage frequency scaling consumes up to 25.2% less energy than the existing thermal management technique while remaining the ratio of peak temperature violations under 1%.
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页数：6
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