Wide Operational Range Processor Power Delivery Design for Both Super-Threshold Voltage and Near-Threshold Voltage Computing

doi:10.1007/s11390-016-1625-7

CORC > 计算技术研究所 > 中国科学院计算技术研究所 > 中国科学院计算技术研究所期刊论文 > 英文

	Wide Operational Range Processor Power Delivery Design for Both Super-Threshold Voltage and Near-Threshold Voltage Computing
	He, Xin 1,2; Yan, Gui-Hai 1; Han, Yin-He 1; Li, Xiao-Wei 1
刊名	JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY
	2016-03-01
卷号	31 期号:2 页码:253-266
关键词	voltage regulator power delivery near-threshold computing multicore processor
ISSN号	1000-9000
DOI	10.1007/s11390-016-1625-7
英文摘要	The load power range of modern processors is greatly enlarged because many advanced power management techniques are employed, such as dynamic voltage frequency scaling, Turbo Boosting, and near-threshold voltage (NTV) technologies. However, because the efficiency of power delivery varies greatly with different load conditions, conventional power delivery designs cannot maintain high efficiency over the entire voltage spectrum, and the gained power saving may be offset by power loss in power delivery. We propose SuperRange, a wide operational range power delivery unit. SuperRange complements the power delivery capability of on-chip voltage regulator and off-chip voltage regulator. On top of SuperRange, we analyze its power conversion characteristics and propose a voltage regulator (VR) aware power management algorithm. Moreover, as more and more cores have been integrated on a singe chip, multiple SuperRange units can serve as basic building blocks to build, in a highly scalable way, more powerful power delivery subsystem with larger power capacity. Experimental results show SuperRange unit offers 1x and 1.3x higher power conversion efficiency (PCE) than other two conventional power delivery schemes at NTV region and exhibits an average 70% PCE over entire operational range. It also exhibits superior resilience to power-constrained systems.
资助项目	National Natural Science Foundation of China[61572470] ; National Natural Science Foundation of China[61532017] ; National Natural Science Foundation of China[61522406] ; National Natural Science Foundation of China[61432017] ; National Natural Science Foundation of China[61376043] ; National Natural Science Foundation of China[61221062]
WOS研究方向	Computer Science
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000372154100003
内容类型	期刊论文
源URL	[http://119.78.100.204/handle/2XEOYT63/8666]
专题	中国科学院计算技术研究所期刊论文_英文
通讯作者	He, Xin; Yan, Gui-Hai; Han, Yin-He; Li, Xiao-Wei
作者单位	1.Chinese Acad Sci, Inst Comp Technol, State Key Lab Comp Architecture, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	He, Xin,Yan, Gui-Hai,Han, Yin-He,et al. Wide Operational Range Processor Power Delivery Design for Both Super-Threshold Voltage and Near-Threshold Voltage Computing[J]. JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY,2016,31(2):253-266.
APA	He, Xin,Yan, Gui-Hai,Han, Yin-He,&Li, Xiao-Wei.(2016).Wide Operational Range Processor Power Delivery Design for Both Super-Threshold Voltage and Near-Threshold Voltage Computing.JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY,31(2),253-266.
MLA	He, Xin,et al."Wide Operational Range Processor Power Delivery Design for Both Super-Threshold Voltage and Near-Threshold Voltage Computing".JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY 31.2(2016):253-266.