Power-Aware Computer Systems,

Babak and T.N. (Hrsg.) Vijaykumar Falsafi

ISBN 10: 3540010289 / ISBN 13: 9783540010289

Published by Springer Verlag, 2003

About this Item

Gebraucht - Sehr gut Zustand: Sehr gut, Mängelexemplar, Second International Workshop, PACS 2002 Cambridge, MA, USA, February 2, 2002, Revised Papers Reihe: Lecture Notes in Computer Science , Band 2325 X, 213 p. About this book: This book constitutes the thoroughly refereed post-proceedings of the Second International Workshop on Power-Aware Computer Systems, PACS 2002, held in Cambridge, MA, USA, in February 2002. The 13 revised full papers presented were carefully selected for inclusion in the book during two rounds of reviewing and revision. The papers are organized in topical sections on power-aware architecture and microarchitecture, power-aware real-time systems, power modeling and monitoring, and power-aware operating systems and compilers. Written for researchers and professionals.

Seller Inventory # 13289

Bibliographic Details

• Title: Power-Aware Computer Systems,
• Publisher: Springer Verlag
• Publication Date: 2003
• Language: English
• ISBN 10: 3540010289
• ISBN 13: 9783540010289
• Binding: Softcover
• Condition: Sehr gut

About this title

Synopsis

WelcometotheproceedingsofthePower-AwareComputerSystems(PACS2002) workshopheld in conjunction with the 8th InternationalSymposium on High PerformanceComputerArchitecture(HPCA-8). Improvementsincomputers- temperformancehavebeenaccompaniedbyanalarmingincreaseinpowerand energydissipation, leading tohigher costandlowerreliabilityinallcomputer systemsmarketsegments. Thehigherpower/energydissipationhasalsosign- icantlyreducedbatterylife inportablesystems. Whilecircuit-leveltechniques continuetoreducepowerandenergy, alllevelsofcomputersystemsarebeing usedtoaddresspowerandenergyissues. PACS2002wasthesecondworkshopin itsseriestoaddresspower-/energy-awarenessatalllevelsofcomputersystems andbroughttogetherexpertsfromacademiaandindustry. Theseproceedingsincluderesearchpapersspanningawidespectrumof- eas in power-aware systems. We have grouped the papers into the following categories: (1)power-awarearchitectureandmicroarchitecture, (2)power-aware real-time systems, (3) power modeling and monitoring, and (4) power-aware operatingsystemsandcompilers. The?rstgroupofpapersproposepower-awaretechniquesfortheprocessor pipeline using adaptiveresizing of power-hungrymicroarchitecturalstructures andclockgating, andpower-awarecachedesignbyavoidingtagchecksin- riodswhenthetagshavenotchanged. Thisgroupalsoincludesideastoadapt energyandperformancedynamicallybydetectingregionsofapplicationatr- timewherethesupplyvoltagemaybescaledtoreducepowerwithabounded decrease in performance. Lastly, a paper on multiprocessor designs trades o? computingcapacityandfunctionalityforimprovedenergypercyclebysched- ing simple tasks on low-end and low-energy processorsand complex tasks on high-endprocessors. Thesecondgroupofpaperstargetreal-timesystemsincludingideasonal- complexityheuristicwhichschedulesreal-timetaskssuchthatnotaskmissesits deadlineandthetotalenergysavingsaremaximized. Theotherpapersinthis group(1)tunethesystem-levelparallelismtothecurrent-levelofpower/energy availabilityandoptimizethesystempowerutilization, and(2)performadaptive texturemappinginreal-time3Dgraphicssystemsbasedonamodelofhuman visualperceptiontoachievesigni?cantpowersavingswithoutnoticeableimage qualitydegradation. Thethirdgroupofpapersfocusonpowermodelingandmonitoringincluding statisticalpro?lingtodetectsoftwarehotspotsofpower, andusingPetriNetsto modelDRAMpowerpolicies. Thisgroupalsoincludesasimulatorforevaluating theperformanceandpowerofdynamicvoltagescalingalgorithms. Thelast groupconcentratesonOS and compilersfor lowpower. The ?rst paperproposesapplication-issueddirectivestosetthepowermodesindevices suchasadiskdrive. Thesecondpaperproposespoliciesforcluster-widepower VI Preface management. Thepoliciesemploycombinationsofdynamicvoltagescalingand turningonando?toreduceoverallclusterpower. PACS2002wasahighlysuccessfulforumduetothehigh-qualitysubmissions, theenormouse?ortsoftheprogramcommitteeandthekeynotespeaker, andthe attendees. WewouldliketothankRonnyRonenforanexcellentkeynotespeech, showingthetechnologicalscalingtrendsandtheirimpactonenergy/powerc- sumption in general-purposemicroprocessors, and pinpointing recentmicro- chitecturalstrategiestoachievemorepower-e?cientmicroprocessors. Wewould like to also thank Antonio Gonzalez, Andreas Moshovos, John Kalamatianos, andothermembersoftheHPCA-8organizingcommitteewhohelpedarrange forlocalaccomodationandpublicizetheworkshop. February2002 BabakFalsa?andT. N. Vijaykumar PACS2002 Program Committee BabakFalsa?, CarnegieMellonUniversity(co-chair) T. N. Vijaykumar, PurdueUniversity(co-chair) DaveA