NDLI: An Embedded Software Fusion Power Model Based on Algorithm and Micro-architectural Level

Content Provider	IEEE Xplore Digital Library
Author	Bing Guo Yan Shen Xiao Bin Liu Qi Li Ji He Wang Yuan Sheng Wu
Copyright Year	2011
Abstract	According to the power model based on algorithm complexity, we analyze the power characteristic on both the algorithm level and micro-architectural level. Therefore, we propose a fusion power model that combines both algorithm level and micro-architectural level. We extract the time complexity and space complexity on the algorithm level, the CPI(Cycles Per Instruction) on the micro-architectural level as the variables of this fusion model. We use HMSim, a high accurate power simulator based on ARM7TDMI instruction set, as the experimental platform. After measuring the power of the some selected benchmarks from HMSim, we develop a linear regression method to get the fusion model's coefficient. Simulation results show that the power is a linear function of both time complexity and CPI of a algorithm, but no direct relations with the space complexity of the algorithm, the relative error is below 4%, which proves the accurate of this fusion model.
Starting Page	431
Ending Page	435
File Size	187998
Page Count	5
File Format	PDF
ISBN	9781457720086
DOI	10.1109/CIS.2011.102
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-03
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power demand Computational modeling Software algorithms fusion power model software power consumption Complexity theory Mathematical model algorithm complexity CPI Embedded software
Content Type	Text
Resource Type	Article

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