Title :
QoS-aware dynamic power management for coarse-grained reconfigurable architecture
Author :
Lee, Ganghee ; Jo, Manhwee ; Ahn, Yongjin ; Choi, Kiyoung ; Dutt, Nikil
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ., Seoul, South Korea
Abstract :
In this paper, we propose system level dynamic power management of coarse-grained reconfigurable architectures through dynamic reconfiguration. The novelty of our approach is in two kinds of system level power management strategies for coarse-grained reconfigurable architectures considering the cost and quality-of-service (QoS) tradeoff by battery status. Experimental results on an MPEG4 video decoder show that our approach saves 17 percent energy when the system is in normal-battery mode and 36 percent energy when the system is in low-battery mode at the expense of some QoS degradation.
Keywords :
power aware computing; quality of service; reconfigurable architectures; video coding; MPEG4 video decoder; QoS degradation; QoS-aware dynamic power management; battery status; coarse-grained reconfigurable architecture; dynamic reconfiguration; low-battery mode; normal-battery mode; quality-of-service tradeoff; system level dynamic power management; Battery management systems; Costs; Decoding; Degradation; Energy management; MPEG 4 Standard; Power system management; Quality management; Quality of service; Reconfigurable architectures;
Conference_Titel :
Field-Programmable Technology, 2009. FPT 2009. International Conference on
Conference_Location :
Sydney, NSW
Print_ISBN :
978-1-4244-4375-8
Electronic_ISBN :
978-1-4244-4377-2
DOI :
10.1109/FPT.2009.5377623
