Name
Abstract | ||
|---|---|---|
This paper proposes a new policy for dynamic frequency scaling: productivity-aware frequency scaling (PAFS). PAFS aims at optimizing energy consumptions while still satisfying performance requirements of a given application. In contrast to the commonly-used on demand frequency scaling, PAFS may keep the processor in a power save state even in high CPU-usage situations. This will be the case as long as the application (or set of applications) for which productivity is to be preserved presents acceptable performance (e.g., as stablished by a QoS contract). Our experiments show savings of up to 23.65% in energy consumption when compared to the commonly used on demand DFS policy with no performance degradation for the productivity metric. PAFS is, therefore, binded to a single or a set of applications running in a machine. Nevertheless, compared to previous approaches to application-specific frequency scaling, PAFS does not require modifying the application or a calibration process. PAFS requires only a productivity metric which may already be exported by an application (e.g., through a log file, such as response time or throughput in an Apache web server) or which may be computed through a simple program or script. |
Year | DOI | Venue |
|---|---|---|
2012 | 10.1109/CGC.2012.59 | Cloud and Green Computing |
Keywords | Field | DocType |
demand dfs policy,frequency scaling,dynamic frequency scaling,demand frequency scaling,energy consumption,performance degradation,productivity-aware frequency scaling,energy efficient computing,productivity metric,satisfying performance requirement,acceptable performance,energy conservation,computer architecture | Energy conservation,Green computing,Efficient energy use,Computer science,Real-time computing,Dynamic frequency scaling,Frequency scaling,Throughput,Energy consumption,Reliability engineering,Web server | Conference |
ISBN | Citations | PageRank |
978-1-4673-3027-5 | 0 | 0.34 |
References | Authors | |
14 | 4 | |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Lesandro Ponciano | 1 | 35 | 4.78 |
| Andrey Brito | 2 | 170 | 24.58 |
| Livia Sampaio | 3 | 24 | 3.99 |
| Francisco Brasileiro | 4 | 388 | 27.99 |