Power signature analysis of the SPECpower_ssj2008 benchmark

Authors:
Chung-Hsing Hsu;Stephen W. Poole
Affiliations:
Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831;Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831
Venue:
ISPASS '11 Proceedings of the IEEE International Symposium on Performance Analysis of Systems and Software
Year:
2011

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Abstract

As the power consumption of a server system becomes a mainstream concern in enterprise environments, understanding the system's power behavior at varying utilization levels provides us a key to select appropriate energy-efficiency optimizations. In this work, we present an in-depth analysis of 177 SPECpower_ssj2008 results published between 2007 -- 2010 to understand the changes of server's power behavior over time. In particular, we identified simple nonlinear functions appropriate for modeling the power behavior of today's, aggressively power-managed, machines. We consider this work as an important first step towards developing capability for power signature analysis of a high-end computer system.