Power Management for Real-Time Embedded Systems on Block-Partitioned Multicore Platforms

Authors:
Xuan Qi;Dakai Zhu
Affiliations:
-;-
Venue:
ICESS '08 Proceedings of the 2008 International Conference on Embedded Software and Systems
Year:
2008

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Abstract

Power management has become a very important research area and various approaches have been proposed. As an energy-efﬁcient architecture, chip multiprocessor (CMP) has been widely adopted by chip manufacturers. In this paper, we study power management schemes for real-time systems on block-partitioned multicore platforms, where the processing cores are grouped into different blocks and cores on one block share the same power supply voltage (thus have the same frequency). We evaluate the energy efﬁciency of different block conﬁgurations. Simulation results show that block-partitioned CMP has its inherent advantages to fullﬁll the goal of power efﬁciency and low design complexity for future CMPs.