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• catalog abstract "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) DaveAlbonesi,UniversityofRochester KrsteAsanovic,MassachusettsInstituteofTechnology IrisBahar,BrownUniversity LucaBenini,UniversityofBologna DougCarmean,Intel Yuen Chan,IBM KeithFarkas,CompaqWRL MaryJaneIrwin,PennsylvaniaStateUniversity StefanosKaxiras,AgereSystems PeterKogge,UniversityofNotreDame UliKremer,RutgersUniversity AlvinLebeck,DukeUniversity AndreasMoshovos,UniversityofToronto RajRajkumar,CarnegieMellonUniversity KaushikRoy,PurdueUniversity Table of Contents Power-Aware Architecture/Microarchitecture Early-StageDe?nitionofLPX:ALowPowerIssue-ExecuteProcessor . . . . . . . 1 P. Bose,D. Brooks,A. Buyuktosunoglu,P. Cook,K. Das,P. Emma, M. Gschwind,H. Jacobson,T. Karkhanis,P. Kudva,S. Schuster, J. Smith,V. Srinivasan,V. Zyuban,D. Albonesi,andS. Dwarkadas DynamicTag-CheckOmission: ALowPowerInstructionCacheArchitecture ExploitingExecutionFootprints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 KojiInoue,VasilyMoshnyaga,andKazuakiMurakami AHardwareArchitecture forDynamicPerformanceandEnergyAdaptation. . . . . . . . . . . . . . . . . . . . . . . . . . 33 PhillipStanley-Marbell,MichaelS. Hsiao,andUlrichKremer Multi-processorComputerSystemHavingLowPowerConsumption . . . . . . . . 53 C. MichaelOlsenandL. AlexMorrow Power-Aware Real-TimeSystems AnIntegratedHeuristicApproach toPower-AwareReal-TimeScheduling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 PedroMejia,EugeneLevner,andDanielMoss´e Power-AwareTaskMotionforEnhancingDynamicRange ofEmbeddedSystemswithRenewableEnergySources . . . . . . . . . . . . . . . . . . . . . 84 JinfengLiu,PaiH. Chou,andNaderBagherzadeh ALow-PowerContent-AdaptiveTextureMappingArchitecture forReal-Time3DGraphics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 JeongseonEuh,JeevanChittamuru,andWayneBurleson Power Modelingand Monitoring Energy-DrivenStatisticalSampling:DetectingSoftwareHotspots . . . . . . . . . 110 FayChang,KeithI. Farkas,andParthasarathyRanganathan ModelingofDRAMPowerControlPolicies UsingDeterministicandStochasticPetriNets . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 XiaoboFan,CarlaS. Ellis,andAlvinR. Lebeck SimDVS:AnIntegratedSimulationEnvironment forPerformanceEvaluationofDynamicVoltageScalingAlgorithms . . . . . . .".
• catalog contributor b12917982.
• catalog contributor b12917983.
• catalog contributor b12917984.
• catalog created "c2003.".
• catalog date "2003".
• catalog date "c2003.".
• catalog dateCopyrighted "c2003.".
• catalog description "18 KojiInoue,VasilyMoshnyaga,andKazuakiMurakami AHardwareArchitecture forDynamicPerformanceandEnergyAdaptation. . . . . . . . . . . . . . . . . . . . . . . . . . 33 PhillipStanley-Marbell,MichaelS. Hsiao,andUlrichKremer Multi-processorComputerSystemHavingLowPowerConsumption . . . . . . . . 53 C. MichaelOlsenandL. AlexMorrow Power-Aware Real-TimeSystems AnIntegratedHeuristicApproach toPower-AwareReal-TimeScheduling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 PedroMejia,EugeneLevner,andDanielMoss´e Power-AwareTaskMotionforEnhancingDynamicRange ofEmbeddedSystemswithRenewableEnergySources . . . . . . . . . . . . . . . . . . . . . 84 JinfengLiu,PaiH. Chou,andNaderBagherzadeh ALow-PowerContent-AdaptiveTextureMappingArchitecture forReal-Time3DGraphics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ".
• catalog description "99 JeongseonEuh,JeevanChittamuru,andWayneBurleson Power Modelingand Monitoring Energy-DrivenStatisticalSampling:DetectingSoftwareHotspots . . . . . . . . . 110 FayChang,KeithI. Farkas,andParthasarathyRanganathan ModelingofDRAMPowerControlPolicies UsingDeterministicandStochasticPetriNets . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 XiaoboFan,CarlaS. Ellis,andAlvinR. Lebeck SimDVS:AnIntegratedSimulationEnvironment forPerformanceEvaluationofDynamicVoltageScalingAlgorithms . . . . . . .".
• catalog description "Early-stage definition of LPX: a low power issue-execute processor / P. Bose [and others] -- Dynamic tag-check omission: a low power instruction cache architecture exploiting execution footprints / Koji Inoue, Vasily Moshnyaga, Kazuaki Murakami -- A hardware architecture for dynamic performance and energy adaptation / Phillip Stanley-Marbell, Michael S. Hsiao, Ulrich Kremer -- Multi-processor computer system having low power consumption / C. Michael Olsen and L. Alex Morrow -- An integrated heuristic approach to power-aware real-time scheduling / Pedro Mejia, Eugene Levner, Daniel Mosse -- Power-aware task motion for enhancing dynamic range of embedded systems with renewable energy sources / Jinfeng Liu, Pai H. Chou, Nader Bagherzadeh -- A low-power content-adaptive texture mapping architecture for real-time 3D graphics / Jeongseon Euh, Jeevan Chittamuru, Wayne Burleson -- Energy-driven statistical sampling: detecting software hotspots / Fay Chang, Keith I. Farkas, Parthasarathy Ranganathan -- Modeling of DRAM power control policies using deterministic and stochastic petri nets / Xiaobo Fan, Carla S. Ellis, Alvin R. Lebeck -- SimDVS: an integrated simulation environment for performance evaluation of dynamic voltage scaling algorithms / Dongkun Shin [and others] -- Application-supported device management for energy and performance / Taliver Heath, Eduardo Pinheiro, Ricardo Bianchini -- Energy-efficient server clusters / E.N. Mootaz Elnozahy, Michael Kistler, Ramakrishnan Rajamony -- Single region vs. multiple regions: a comparison of different compiler-directed dynamic voltage scheduling approaches / Chung-Hsing Hsu and Ulrich Kremer.".
• catalog description "Includes bibliographical references and index.".
• catalog description "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. ".
• catalog description "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. ".
• catalog description "Vijaykumar,PurdueUniversity(co-chair) DaveAlbonesi,UniversityofRochester KrsteAsanovic,MassachusettsInstituteofTechnology IrisBahar,BrownUniversity LucaBenini,UniversityofBologna DougCarmean,Intel Yuen Chan,IBM KeithFarkas,CompaqWRL MaryJaneIrwin,PennsylvaniaStateUniversity StefanosKaxiras,AgereSystems PeterKogge,UniversityofNotreDame UliKremer,RutgersUniversity AlvinLebeck,DukeUniversity AndreasMoshovos,UniversityofToronto RajRajkumar,CarnegieMellonUniversity KaushikRoy,PurdueUniversity Table of Contents Power-Aware Architecture/Microarchitecture Early-StageDe?nitionofLPX:ALowPowerIssue-ExecuteProcessor . . . . . . . 1 P. Bose,D. Brooks,A. Buyuktosunoglu,P. Cook,K. Das,P. Emma, M. Gschwind,H. Jacobson,T. Karkhanis,P. Kudva,S. Schuster, J. Smith,V. Srinivasan,V. Zyuban,D. Albonesi,andS. Dwarkadas DynamicTag-CheckOmission: ALowPowerInstructionCacheArchitecture ExploitingExecutionFootprints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ".
• catalog description "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. ".
• catalog description "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. ".
• catalog extent "x, 211 p. :".
• catalog identifier "3540010289 (softcover : alk. paper)".
• catalog isPartOf "Lecture notes in computer science ; 2325".
• catalog issued "2003".
• catalog issued "c2003.".
• catalog language "eng".
• catalog publisher "Berlin ; New York : Springer,".
• catalog subject "621.39/16 21".
• catalog subject "Computer hardware.".
• catalog subject "Computer network architectures.".
• catalog subject "Computer science.".
• catalog subject "Electric batteries Congresses.".
• catalog subject "Electronic digital computers Power supply Congresses.".
• catalog subject "Energy conservation Congresses.".
• catalog subject "Low voltage integrated circuits Design and construction Congresses.".
• catalog subject "Operating systems (Computers).".
• catalog subject "Portable computers Power supply Congresses.".
• catalog subject "TK7895.P68 .P33 2002".
• catalog tableOfContents "Early-stage definition of LPX: a low power issue-execute processor / P. Bose [and others] -- Dynamic tag-check omission: a low power instruction cache architecture exploiting execution footprints / Koji Inoue, Vasily Moshnyaga, Kazuaki Murakami -- A hardware architecture for dynamic performance and energy adaptation / Phillip Stanley-Marbell, Michael S. Hsiao, Ulrich Kremer -- Multi-processor computer system having low power consumption / C. Michael Olsen and L. Alex Morrow -- An integrated heuristic approach to power-aware real-time scheduling / Pedro Mejia, Eugene Levner, Daniel Mosse -- Power-aware task motion for enhancing dynamic range of embedded systems with renewable energy sources / Jinfeng Liu, Pai H. Chou, Nader Bagherzadeh -- A low-power content-adaptive texture mapping architecture for real-time 3D graphics / Jeongseon Euh, Jeevan Chittamuru, Wayne Burleson -- Energy-driven statistical sampling: detecting software hotspots / Fay Chang, Keith I. Farkas, Parthasarathy Ranganathan -- Modeling of DRAM power control policies using deterministic and stochastic petri nets / Xiaobo Fan, Carla S. Ellis, Alvin R. Lebeck -- SimDVS: an integrated simulation environment for performance evaluation of dynamic voltage scaling algorithms / Dongkun Shin [and others] -- Application-supported device management for energy and performance / Taliver Heath, Eduardo Pinheiro, Ricardo Bianchini -- Energy-efficient server clusters / E.N. Mootaz Elnozahy, Michael Kistler, Ramakrishnan Rajamony -- Single region vs. multiple regions: a comparison of different compiler-directed dynamic voltage scheduling approaches / Chung-Hsing Hsu and Ulrich Kremer.".
• catalog title "Power-aware computer systems : Second International Workshop, PACS 2002, Cambridge, MA, USA, February 2, 2002 : revised papers / B. Falsafi, T.N. Vijaykumar, (eds.).".
• catalog type "Cambridge (Mass., 2002) swd".
• catalog type "Conference proceedings. fast".
• catalog type "text".