Combining global regression and local approximation in server power modeling
SICS Software-Intensive Cyber-Physical Systems(2018)
摘要
To evaluate energy use in green clusters, power models take the resource utilization data as the input to predict server power consumption. We propose a novel method in power modeling combining a global linear model and a local approximation model. The new model enjoys high accuracy by compensating the global linear model with local approximation and exhibits robustness with the generalization capability of the global regression model. Empirical evaluation demonstrates that the new approach outperforms the two existing approaches to server power modeling, the linear model and the k-nearest neighbor regression model.
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关键词
Server power modeling,Global regression,Local approximation,Linear model,Spatial interpolation
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