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	A low cost, high performance dynamic-programming-based adaptive power allocation scheme for many-core architectures in the dark silicon era
	Xiaohang Wang; Zhiming Li; Mei Yang; Yingtao Jiang; Daneshtalab, M.; Mak, T.
	2013
会议名称	11th IEEE Symposium on Embedded Systems for Real-time Multimedia (ESTIMedia)
会议地点	Montreal, QC
英文摘要	Power consumption of many-core chips increases in such a rapid pace that it will soon exceed the chip's affordable power budget. As a result, design of a many-corechip has to address a significant performance challenge under a tight power budget constraint. This problem becomes more prevalent as more of the frequencies and/or voltages of on-chip resources in a many-core chip can be tuned, where heuristicsbased power allocation approaches often lead to poor performance. Another important problem is that the input power budget of a many-core chip might actually undergo a rapid change at run time. In this paper, the performance optimization problem is formally formulated, and an Optimal Power Allocation method using Dynamicprogramming (OPAD) is proposed to solve this problem. OPAD has a linear time complexity, and it is quite scalable to the problem size. Extensive experimental results have confirmed lower application execution time of OPAD than that of other competing power allocation methods, i.e., 20%~30% reduction in applications' execution time over three competing methods. The runtime and hardware overhead of OPAD are also shown to be very small, making it suitable for adaptive powerallocation in future many-core systems.
收录类别	其他
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/5317]
专题	深圳先进技术研究院_南沙所
作者单位	2013
推荐引用方式 GB/T 7714	Xiaohang Wang,Zhiming Li,Mei Yang,et al. A low cost, high performance dynamic-programming-based adaptive power allocation scheme for many-core architectures in the dark silicon era[C]. 见:11th IEEE Symposium on Embedded Systems for Real-time Multimedia (ESTIMedia). Montreal, QC.

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