LEAKAGE POWER REDUCTION IN MULTICORE CHIPS VIA ONLINE DECAP MODULATION

doi:10.1109/CSTIC.2016.7463916

	LEAKAGE POWER REDUCTION IN MULTICORE CHIPS VIA ONLINE DECAP MODULATION
	Wang, Leilei; Zhou, Pingqiang
	2016
会议录名称	2016 CHINA SEMICONDUCTOR TECHNOLOGY INTERNATIONAL CONFERENCE (CSTIC)
发表状态	已发表
DOI	10.1109/CSTIC.2016.7463916
摘要	The decap leakage constitutes a significant part of total leakage in multicore processors. Leaking decap is widely used in chips to provide transient power to function blocks, and the amount of decap placed over multicore chip is determined by the worst case at design time. Considering that the decaps do not have to be kept 100% "on" when the chip is running workloads, in this paper we propose an ideal online approach to adapt the percentage of "on" capacitance in the decaps to the dynamic need of the core loads, and therefore to reduce the leakage power consumption in the chip. Our approach is based on the equivalent resistance model of the power sources (power supply pins and local decaps) and the core loads, and a novel fast algorithm is developed to determine the required amount of decap at runtime Results on a set of multicore test cases show that our approach can achieve up to 48% saving in decap leakage.
关键词	Multicore processing Benchmark testing Capacitance Load modeling Runtime Pins Power demand
出版地	345 E 47TH ST, NEW YORK, NY 10017 USA
会议地点	Shanghai
会议日期	13-14 March 2016
URL	查看原文
收录类别	CPCI ; EI
语种	英语
资助项目	National Natural Science Foundation of China[61401276]
WOS研究方向	Engineering
WOS类目	Engineering, Electrical & Electronic
WOS记录号	WOS:000381743000021
出版者	IEEE
EI入藏号	20162502509304
EI分类号	Semiconductor Devices and Integrated Circuits:714.2
WOS关键词	CIRCUITS ; DESIGN
原始文献类型	Proceedings Paper
来源库	IEEE
引用统计	正在获取...
文献类型	会议论文
条目标识符	https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/2007
专题	信息科学与技术学院_PI研究组_周平强组
通讯作者	Wang, Leilei
作者单位	ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai, Peoples R China
第一作者单位	信息科学与技术学院
通讯作者单位	信息科学与技术学院
第一作者的第一单位	信息科学与技术学院
推荐引用方式 GB/T 7714	Wang, Leilei,Zhou, Pingqiang. LEAKAGE POWER REDUCTION IN MULTICORE CHIPS VIA ONLINE DECAP MODULATION[C]. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2016.