动态电压调节技术在高性能计算领域的能效研究

摘要

In the future (effectively controlling power consumption becomes one of the key factors to increase the performance of high-performance computers,and we investigate whether one of the typical low power techniques,dynamic voltage scaling,can reduce energy consumption of high-performance computers effectively. In the paper we present an energy model of dynamic voltage scaling in high-performance computers,and put forward the concept of wall-time energy consumption and real energy consumption. Using an intelligent power meter,we obtain the energy consumption of three computer systems in multiple voltages and frequencies, and then analyze the energy efficiency of dynamic voltage scaling in high-performance computers. As a result,we draw the conclusion that the technique of dynamic voltage scaling can reduce the energy consumption of high-performance computers effectively.%功耗问题是未来高性能计算机系统性能提高面临的最突出问题之一,本文调查典型的低功耗技术动态电压调节应用于高性能计算机系统的有效性.建立了动态电压调节技术在高性能计算领域的能耗模型,提出了程序运行时钟能耗和真实能耗的概念.在三种典型的计算机系统上,使用智能功率仪表测试使用动态电压调节技术后的系统能耗,说明了动态电压调节技术在高性能计算领域节能降耗的有效性.