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Index to Volume B Author Index Mark, Site Configuration Engine 303_33g Cardelli, Luca, Language with Distributed Scope Adaptive Disk spin-down policies for Mobile computers 3gl4l4 Programming Interface for Application-Aware 345_364 Adaptation in Mobile Computing Stub Generation System for C++ of World Wide V/eb Information Servers 6I_9I

Brian Bershad, Douglis Burgess, Casas, Jeremy, Dan Clark, Casas Dorward, Sean, Pike Douglis, Al Fred, Flandrena, Bob, Pike French (+37 others)
., Adaptive Disk spin-down policies for Mobile computers 3gl4l4 Flandrena, Bob, see Pike French, James C., see Viles Honeyman, Peter, see Huston Huston, Larry 8., and P.  ...  French, Availability and Latency of World Wide V/eb Information Servers Adaptive Disk Spin-down Policies for Mobile Computers Availability and Latency of V/orld Wide Web Information Servers Partially Connected  ... 

A dynamic disk spin-down technique for mobile computing

David P. Helmbold, Darrell D. E. Long, Bruce Sherrod
1996 Proceedings of the 2nd annual international conference on Mobile computing and networking - MobiCom '96  
We address the problem of deciding when to spin down the disk of a mobile computer in order to extend battery life.  ...  Since the algorithm adapts to usage patterns, it uses as little as 88% of the energy consumed by the best fixed time-out computed in retrospect.  ...  Warmuth for several valuable conversations, and to the anonymous referees for their comments.  ... 
doi:10.1145/236387.236423 dblp:conf/mobicom/HelmboldLS96 fatcat:qoezhxsz6rbdznli3b4orkk3jy

A Comparative Analysis of Adaptive Middleware Architectures Based on Computational Reflection and Aspect Oriented Programming to Support Mobile Computing Applications [chapter]

Celso Maciel da Costa, Marcelo da Silva Strzykalski, Guy Bernard
2006 IFIP International Federation for Information Processing  
Mobile computing applications are required to operate in environments in which the availability for resources and services may change significantly during system operation.  ...  As a result, mobile computing applications need to be capable of adapting to these changes to offer the best possible level of service to their users.  ...  Most, if not all current mobile computers use a fixed threshold specified by the manufacturer to determine when to spin down the disk: if the disk has been idle for some predetermined amount of time, the  ... 
doi:10.1007/978-0-387-34736-3_10 fatcat:b2grklprtja7relkypccircaey

Expecting the unexpected

Jeffrey P. Rybczynski, Darrell D. E. Long, Ahmed Amer
2005 Proceedings of the 2005 ACM workshop on Storage security and survivability - StorageSS '05  
Specifically, we describe how our Best Shifting prefetching policy, by adapting to the needs of the currently observed workload, can use 15% to 35% less energy than traditional disk spin-down strategies  ...  The use of access predictors to improve storage device performance has been investigated for both improving access times, as well as a means of reducing energy consumed by the disk.  ...  RELATED RESEARCH Effectively spinning down the disk drive can save valuable energy in a mobile environment [13, 7] .  ... 
doi:10.1145/1103780.1103800 dblp:conf/storagess/RybczynskiLA05 fatcat:wdsvwn6k4fb4zab4babh2ibriu

FlexFetch: A History-Aware Scheme for I/O Energy Saving in Mobile Computing

Feng Chen, Song Jiang, Weisong Shi, Weikuan Yu
2007 Proceedings of the International Conference on Parallel Processing  
Extension of battery lifetime has always been a major issue for mobile computing.  ...  In a pervasive computing environment, the requested data can be stored both on the local disk of a mobile computer by using the hoarding technique, and on the remote server, where data are accessible via  ...  Acknowledgments This research is sponsored in part by the Office of Advanced Scientific Computing Research; U.S. Department of Energy.  ... 
doi:10.1109/icpp.2007.43 dblp:conf/icpp/ChenJSY07 fatcat:qw6wtgzi7fhlnht7be6mt76n4i

Software controlled power management

Yung-Hsiang Lu, Tajana Šimunić, Giovanni De Micheli
1999 Proceedings of the seventh international workshop on Hardware/software codesign - CODES '99  
We implement two algorithms for controlling the power states of a hard disk on a personal computer running Microsoft Windows.  ...  Our work has two major contributions: a template for software-controlled power management and experimental comparisons of management algorithms for a hard disk.  ...  By adjusting the value, the PM can shut down the disk earlier for shorter sessions and later for longer sessions. Figure 4 shows the adaptive algorithm, fully described in [11] .  ... 
doi:10.1145/301177.301518 dblp:conf/codes/LuSM99 fatcat:oh4fbwat5vgfbgjvu5o4wuitbe

Massive Arrays of Idle Disks For Storage Archives

D. Colarelli, D. Grunwald
2002 ACM/IEEE SC 2002 Conference (SC'02)  
In this paper, we analyze an alternative design using massive arrays of idle disks, or MAID.  ...  The declining costs of commodity disk drives is rapidly changing the economics of deploying large amounts of online or near-line storage.  ...  Michael Neufeld provided us with experimental results of power used in disk state transitions and seek time performance.  ... 
doi:10.1109/sc.2002.10058 dblp:conf/sc/ColarelliG02 fatcat:5bfowdparfeftgz46ryou6eymi

Prediction based Hard Disk Power Conservation Algorithm in Mobile Ad hoc Networks using APRIORI

Amirul Islam, Amanpreet Kaur
2017 Indian Journal of Science and Technology  
to Adaptive and Threshold based Spin UP/ Spin DOWN based policies.  ...  The Main power drawn in Hard Disk is by the Motor of the cylinder which if turned off and on (Spin UP/Spin DOWN) effectively will result in more efficient battery savings for each Mobile Node as compared  ...  Many power management schemes 8, 9 , use adaptive approach for spin down management.  ... 
doi:10.17485/ijst/2017/v10i31/113873 fatcat:tqbgndxhnvekvi2ozcprxydriy

Controlling Energy Demand in Mobile Computing Systems

Carla Schlatter Ellis
2007 Synthesis Lectures on Mobile and Pervasive Computing  
These include: unpredictable variation in network quality, lowered trust and robustness of mobile elements, limitations on local resources imposed by weight and size constraints, and concern for battery  ...  A rich collection of topics lies at the intersections of mobile and pervasive computing with many other areas of computer science.  ...  This may allow the OS to immediately spin down the disk and spin it back up just in time for the savefile function.  ... 
doi:10.2200/s00089ed1v01y200704mpc002 fatcat:myednkwcj5h5jizajmmhrj6hmy


James Larkby-Lahet, Ganesh Santhanakrishnan, Ahmed Amer, Panos K. Chrysanthis
2005 Proceedings of the 6th international conference on Mobile data management - MEM '05  
We present a fully adaptive predictor, that can optimize itself for any arbitrary workload, while simultaneously offering simple adjustment of goals between energy conservation and latency reduction.  ...  Our algorithm, STEP, achieves power savings on mobile computers by eliminating more data fetches, which would otherwise have caused excess energy to be consumed in accessing local storage devices or using  ...  We simulated multiple values for disk spin-down timeout (1 to 90 seconds), and different time penalties (delays) for restarting a spun-down disk (1, 3, and 5 seconds).  ... 
doi:10.1145/1071246.1071264 dblp:conf/mdm/Larkby-LahetSAC05 fatcat:br6z4rkoorerlpm72yryu3gldi

SmartSaver: Turning Flash Drive into a Disk Energy Saver for Mobile Computers

Feng Chen, Song Jiang, Xiaodong Zhang
2006 ISLPED'06 Proceedings of the 2006 International Symposium on Low Power Electronics and Design  
In a mobile computer the hard disk consumes a considerable amount of energy.  ...  Existing dynamic power management policies usually take conservative approaches to save disk energy, and disk energy consumption remains a serious issue.  ...  Trace driven simulations for typical mobile computing scenarios demonstrate that our scheme can save up to 41% disk energy compared with existing policies used in Linux.  ... 
doi:10.1109/lpe.2006.4271878 fatcat:dndap3wkijbabjqf76x6j256fy

Ghosts in the machine

Manish Anand, Edmund B. Nightingale, Jason Flinn
2004 Proceedings of the 2nd international conference on Mobile systems, applications, and services - MobiSYS '04  
Using these new interfaces, we implement a middleware layer that supports adaptive disk cache management.  ...  For a mail reader, the cache manager decreases response time by 42% and energy use by 5%.  ...  Acknowledgments We would like to thank our shepherd, Carla Ellis, and the anonymous reviewers for several helpful suggestions that improved the quality of this paper.  ... 
doi:10.1145/990064.990070 dblp:conf/mobisys/AnandNF04 fatcat:qceq42pplbhvxcyfgqvrcv3lzy


Feng Chen, Song Jiang, Xiaodong Zhang
2006 Proceedings of the 2006 international symposium on Low power electronics and design - ISLPED '06  
In a mobile computer the hard disk consumes a considerable amount of energy.  ...  Existing dynamic power management policies usually take conservative approaches to save disk energy, and disk energy consumption remains a serious issue.  ...  Trace driven simulations for typical mobile computing scenarios demonstrate that our scheme can save up to 41% disk energy compared with existing policies used in Linux.  ... 
doi:10.1145/1165573.1165674 dblp:conf/islped/ChenJZ06 fatcat:4hxgk3mipncndohjjbakk7eeri

A Hybrid Disk-Aware Spin-Down Algorithm with I/O Subsystem Support

Timothy Bisson, Scott A. Brandt, Darrell D.E. Long
2007 Performance, Computing and Communications Conference (IPCCC), IEEE International  
To offset the significant power demands of hard disk drives in computer systems, drives are typically powered down during idle periods.  ...  We present four I/O subsystem enhancements that exploit the characteristics of hybrid disks to improve system performance: 1) Artificial Idle Periods, 2) a Read-Miss Cache, 3) Anticipatory Spin-Up, and  ...  Most adaptive spin-down algorithms for traditional disks mention that disk reliability decreases when using a spin-down algorithm, but don't quantitatively describe the impact.  ... 
doi:10.1109/pccc.2007.358900 dblp:conf/ipccc/BissonBL07 fatcat:5ht5wkomyzgp5g4jyb23ckxgam

Using MEMS-based storage in computer systems---device modeling and management

Bo Hong, Scott A. Brandt, Darrell D. E. Long, Ethan L. Miller, Ying Lin
2006 ACM Transactions on Storage  
Our simulations show that MEMS-specific device management policies can significantly improve system performance and reduce power consumption.  ...  With fundamentally different architectural designs from magnetic disk, MEMS-based storage exhibits unique two-dimensional positioning behaviors and efficient power state transitions.  ...  "spin-down" policies [Helmbold et al. 1996; Li et al. 1994 ] on power management.  ... 
doi:10.1145/1149976.1149978 fatcat:7l5o4mx7zbh4bmgj2mb5nr55ce
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