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Overview:
Dynamic power management in enterprise environments requires an understanding of the relationship between resource utilization and system-level power consumption. Power models based on resource utilization have been proposed in the context of enabling specific energy-efficiency optimizations on specific machines, but the accuracy and portability of different approaches to modeling have not been systematically compared. In this work, one uses a common infrastructure to fit a family of high-level full-system power models, and one compares these models over a wide variation of workloads and machines, from a laptop to a server. This analysis shows that a model based on OS utilization metrics and CPU performance counters is generally most accurate across the machines and workloads tested.
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| Format: | Size: | 466 KB | |
| Date: | Nov 2008 | ||
| Pages: | 5 |
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