期刊首页 优先出版 当期阅读 过刊浏览 作者中心 关于期刊 English

《中国工程科学》 >> 2008年 第10卷 第2期

多任务下I/O设备的动态功耗管理

东南大学国家专用集成电路系统工程技术研究中心,南京 210096

收稿日期 :2007-03-05 修回日期 :2007-04-25 发布日期 :2008-01-30 17:05:19.000

下一篇 上一篇

摘要

减少I/O设备功耗已越来越被嵌入式系统设计者所关注。传统动态功耗管理(DPM)策略在实 际的多任务环境下无法得到预期的节能效果。提出基于堆栈的预测性超时(SBPT)策略。该 策略通过分析任务的调用和堆栈信息来预测任务对I/O设备的访问模式,并采用多请求源(MSR)模型进行多任务的联合预测。然后根据预测结果分组统计,采用超时技术决策。基于实 际负载的仿真实验表明SBPT策略能够适应多任务的应用环境,更稳定更有效地降低了功耗

图片

图 1

图 2

图 3

图 4

图 5

参考文献

[1]  Benini L , Bogliolo A , Micheli G D . A survey of design techniques for system-level dynamic power management [J] . IEEE Transactions on Very Large-scale Integration Systems , 2000 , 8(3) : 299 ~ 316 链接1

[2]  Helmbold D P , Long D D E , Sconyers T L , et al . Adaptive disk spin-down for mobile computers [ J ] . Mobile Networks and Applications , 2000 , 5(4) : 285 ~ 297 链接1

[3]  Chung E Y , Benini L , Micheli G D . Dynamic power management using adaptive learning tree [ A ] . International Conference on Computer Aided Design [ C] . San Jose , CA , USA : ACM Press , November 1999 . 274 ~ 279 链接1

[4]  Qiu Qinru , Pedram M . Dynamic power management based on continuous-time Markov decision processes [A] . Design Automation Conference [ C] . New Orleans , Los Angeles , USA : ACM Press , June 1999 . 555 ~ 561 链接1

[5]  Golding R , Bosch P , Staelin C , et al . Idleness is not sloth [A] . In : Winter USENIX Technical Conference [C] . New Orleans , Los Angeles , USA , January 1995 . 201 ~ 212

[6]  Helmbold D P , Long D D E , Sherrod B . A dynamic disk spin-down technique for mobile computing [A] . In :International Conference on Mobile Computing and Networking [ C] . Rye , New York , USA : ACM Press , November 1996 . 130 ~ 142 链接1

[7]  Chung E Y , Benini L , Bogliolo A , et al . Dynamic power management for nonstationary service requests [ J ] . IEEE Transactions on Computers , 2002 , 51(11) : 1345 ~ 1361 链接1

[8]  吴琦,熊光泽.非平稳自相似业务下自适应动态功耗管理[J],软件学报,2005,16(8),1499~1505 链接1

[9]  Irani S , Shukla S , Gupta R . Online strategies for dynamic power management in systems with multiple power-saving states [J] . ACM Transactions on Embedded Computing Systems , 2003 , 2(3) : 325 ~ 346 链接1

[10]  Lu Yung-Hsiang , Benini L , Micheli G D . Operating-system directed power reduction [A] . Proceedings of the International Symposium on Low-power Electronics and Design [C] . July 2000 . 37 ~ 42 链接1

[11]  Gniady C , Hu Y C , Lu Yung-Hsiang . Program counter based techniques for dynamic power management [A] . Proceedings of the 10th International Symposium on High-performance Computer Architecture [C] . February 2004 . 24 ~ 35 链接1

[12]  Gniady C , Butt A R , Hu Y C . Program-counter-based pattern classification in buffer caching [A] . Proceedings of the 6th USENIX Symposium on Operating Systems Design and Implementation [ C] . December 2004 . 395 ~ 408 链接1

[13]  Irani S , Shukla S , Gupta R . Competitive analysis of dynamic power management strategies for systems with multiple power saving states [A] . Design , Automation and Test in Europe Conference [ C] . Paris , France : IEEE Computer Society Press , March 2002 . 117 ~ 123

[14]  戚隆宁,张哲,胡晨,等,基于MSR模型的动态功耗管理策略[J],电路与系统学报,2006,16(5):88~92 链接1

[15]  Hitachi . Hard Disk Drive Specifications [EB/OL] . Travelstar C4K40 - 40/20 . www . hitachigst . com/tech/techlib . nsf/techdocs/ B452324297C3078886256D9600695E87/ $ file/10fa - e7 .pdf , 2003 - 12 - 11

[16]  Hwang Chi-Hong , Wu A C-H .A predictive system shutdown method for energy saving of event-driven computation [J] .ACM Transactions on Design Automation of Electronic Systems ,2000 ,5(2) :226 ~ 241 链接1

相关研究