Qiao Chen
ABSTRACT
Energy has become an important resource for computer system. In multicore systems, shared resource can lead to contention between tasks running on different cores, which also will give rise to poor power efficiency. The system with dynamic voltage and frequency scaling(DVFS) capability provide support for dynamic energy management to make a better energy efficiency. However, the coming of the virtualization technology make different in energy management.
In this paper, we present the policies into a virtualization system, to improve the performance and energy efficiency by avoiding the resource contention of virtual CPU, which the application run on it, and use frequency scaling. Our evaluation based on Xen virtualization environment shows that our policies reduce the energy delay product considerably.
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Index Terms
- The Balance Mechanism of Power and Performance in the Virtualization
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