微處理器性能分析模型的建立和研究.pdf

1、中國科學(xué)技術(shù)大學(xué)博士學(xué)位論文微處理器性能分析模型的建立和研究姓名：馬可申請學(xué)位級別：博士專業(yè)：計算機(jī)系統(tǒng)結(jié)構(gòu)指導(dǎo)教師：黃劉生20070601AResearchOilMicroprocessorPerformanceAnalyticalModelMaKe(ComputerArddtecture)DirectedByHuangLiushengWiththedevelopmentofICtechnicsandvariationofapplic

2、ations，thecomplexityofmicroprocessorarcllitectll∞designisevel“increasingHowtoanalyzethemicroprocessorperformanceefficientlywithlimiteddesignperiodandresourcesisaquestionforeverymicroprocessorarchitectTheperformanceanalys

3、ismethodbasedonsimulationistimeconsumingandshortofinsightintotheperformancebottleneckArchitectshavetosimulatemanykindsofworkloadswithdifferentmicroprocessorconfigurationsandconsiderthettadeoffamongvariousfactorstoattaina

4、highperformanceorcosteffectivedesignThismethodisalongperiodprocesswithhighcostandcomplexityAccordingtothearchitecturalcharactersofsuperscalarmicroprocessorsthisthesisproposesasimplemicroprocessoranalyticalmodelapplicable

5、tomicrobenchmarks訛modeliSbasedontheideallimitformulasCombined、^dtlltheGodsonMierobenehthismodelCanbeusedtoanalyzethepipelineefficiencyanddiscovertheperformancebottleneckofmicroprocessorsToevaluatethemicroprocessorperform

6、ancewithnlacro—benchmarks，thisthesisproposesMAMOamoredelicateMicroprocessorAnalyticalMOdelThismodelincludesinstrl塒onwindowmodallimitedfunctionalunitmodel。branchmispredictionmodelil璐圩刪伽anddatacachemissmodelMAMOCanbeusedto

7、computetherealperformanceofmicroprocessorbased011thecontributiontoCPI(CyclesPerInstnmion)ofeachmicroprocessorpartcomputedbytheabovemodelsn倫instructionwindowmodelofMAM0canbeusedtomodeltheoutoforderiSSUepartofIIli鋤硼cessor1

8、HsmodelCancomputetheidealperformancebasedonthestatisticsofdynamicinstructiondependencydistributionnlelimitedfunctionalunitmodelus鶴theaverageoperationlatencyandthePoissondistributiontomodeltheexecutionpartItcanbeusedtocom

9、putetheeffectOilIPC(InstructionsPerCycle)ofthelatencyandntnnberoffunctionalunitsThelateupdatebranchpredictormodelgallcomputethebranchmis—predictionratiomoreaccurately111ecachemodelCanheusedtotakestatisticsofthedataandins

10、tructioncachemissratiosandanalyzethecachemisspenaltybasedOBtheIWcharacteristiccomputedbytheinstructionwindowmodelWeuseadetailedbasesimulatortovalidateMAMOwhichresultsan853％erroronaveragewhenpredictingCPIoftheSPECCPU2000I

11、ntbenchmarksWeanalyzetheperformancebottleneckoftheGodson2processorusingMAMOandvalidatetheresultwiththeSimGodsonsimulatorflmerTIlismodel啪alsoheusedtoexploitthedesignspaceofmicroprocessoranalyzethevaryingtrendoflLPf】nsl刪on