Energy Reduction with Run-Time Partial Reconfiguration

Energy Reduction with Run-Time Partial Reconfiguration

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時間:2019-06-24

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1、EnergyReductionwithRun-TimePartialReconfigurationShaoshanLiu,RichardNeilPittman,AlessandroForinMicrosoftResearchSeptember2009TechnicalReportMSR-TR-2009-2017MicrosoftResearchMicrosoftCorporationOneMicrosoftWayRedmond,WA9805212EnergyReductionwithRun-TimePartialReconfigurationShaoshanLiu,R

2、ichardNeilPittman,AlessandroForinMicrosoftResearch1.Acceleratorcanreduceprogramexecutiontime.DoestheABSTRACTaccelerationhardwarealsoleadtoenergyreductionasaresultoftheexecutiontimereduction?Ifso,underwhatInthispaperweinvestigatewhetherpartialreconfigurationcanconditions?beusedtoreduceFP

3、GAenergyconsumption.Thecoreideais2.Isitworthwhiletousepartialreconfigurationtoreducethatwithinahardwaredesignthereareanumberofindependentenergyconsumptioninreconfigurablesystems?Ifso,undercircuits,andsomecanbeidleforlongperiodsoftime.Idlewhatconditions?circuitsstillconsumepowerthough,es

4、peciallythroughclock3.Canpartialreconfigurationenergymanagementtechniquesoscillationandstaticleakage.Usingpartialreconfigurationweoutperformothertechniquessuchasclockgating?Ifso,canreplacethesecircuitsduringtheiridletimewithothersthatunderwhatconditions?consumemuchlesspower.Sincethereco

5、nfigurationprocessWeintendtoanswerthesequestionsintherestofthispaper,itselfintroducesenergyoverhead,itisunclearwhetherthiswhichisorganizedasfollows:insection2wereviewtherelatedapproachactuallyleadstoanoverallenergysavingortoaloss.workinFPGApowermanagementandpartialreconfiguration;inThis

6、studyidentifiesthepreciseconditionsunderwhichpartialsection3wetranslateourthreebasicquestionsintoanalyticalreconfigurationreducesthetotalenergyconsumption,andmodelsandidentifytheconditionsforenergyreduction;proposessolutionsthatminimizetheconfigurationenergyrecognizingthatwecanminimizet

7、heconfigurationoverheadbyoverhead.Partialreconfigurationiscomparedagainstclockmaximizingtheconfigurationspeed,insection4wepresentourgatingtoevaluateitseffectiveness.WeapplythesetechniquestodesignofafullystreamingDMAenginetominimizeanexistingembeddedmicroprocessordesign,andshowh

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