CSR---EHS: A Dynamic Compilation Framework for Energy Reduction on Mobile Devices
CSR---EHS: A Dynamic Compilation Framework for Energy Reduction on Mobile Devices
批准号:
0613633
负责人:
Wei Zhang
金额:
$0.0万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2006
资助国家:
美国
项目状态:
已结题
起止时间:
2006-08-15 至 2009-07-31
中文摘要
随着万维网(World Wide Web, WWW)的广泛使用,越来越多的程序在虚拟机上运行,虚拟机通过动态编译来实现高性能。然而,动态编译本身的能源效率以及动态编译器在运行时可以有效执行的面向能源的优化在很大程度上仍未得到探索。本项目从能耗角度研究动态编译过程,并开发多种新颖的优化策略,从纯基于软件的动态转换到编译器导向的动态能量管理、运行时适应和架构定制。这项工作旨在系统地、实质性地减少在虚拟机上运行的移动应用程序的能耗,而不会对性能产生重大影响。这项研究的成功有望加速Java编程语言在更广泛的能源限制嵌入式系统中的应用,如移动电话和pda。通过提高能源效率和延长电池寿命,可以为移动设备开发具有丰富功能的新应用程序。本科生和研究生参与了这项研究的各个方面。作为该项目的成果,正在为研究生和本科生提供新的和加强的课程。开发的软件包和课程材料通过研究网站公开提供,供其他研究人员或机构使用。
英文摘要
With the widespread use of the World Wide Web (WWW), programs are increasingly run on virtual machines, which are compiled dynamically to achieve high performance. However, the energy efficiency of the dynamic compilation itself and energy-oriented optimizations that can be efficiently performed by the dynamic compiler at runtime are still largely unexplored. This project studies the dynamic compilation process from the energy consumption perspective and is developing a variety of novel optimization strategies, ranging from pure software-based dynamic transformations to compiler-directed dynamic energy management, runtime adaptation and architectural customization. This effort seeks to systematically and substantially reduce the energy consumption of mobile applications running on virtual machines, without significant impact on performance.The success of this research is expected to accelerate the application of Java programming language to a wider variety of energy-constrained embedded systems, such as mobile phones and PDAs. With improved energy efficiency and prolonged battery lifetime, new applications with rich functionality can be developed for mobile devices. Undergraduate and graduate students are involved in all aspects of this research. New and enhanced courses at the graduate and undergraduate level are being offered as an outcome of this project. The developed software packages and course material are made publicly available through the research website, for use by other researchers or institutions.
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