puterScienceUTSanAntonio&Rutgers1AboutMeBorninFortHood,Texasin1969(~80milesnorthonIH-35)DadfromMexico,MomfromTexasLivedinTemple,TexasMovedtoSanAntonio,Texasin1973(~80milessouthonIH-35),,1994MovedtoSanMarcos,Texasin1995(~30milessouthonIH-35)-tenure-trackfaculty,,2002MovedtoNewJerseyin2002,,RutgersSabbaticalinBarcelona,Spainin2005BacktoSanAntonioin2007AssociateProfessor,puterin1984FortunatesequenceofmentorsguidedmeintomycareerMom–Educationisimportant(didn’tbelieveheratthetime)NealWagner–theoryisexcitingHughMaynard–mathismyfriendBettyTravis–ResearchCareersforMinorityScholarsCalvinLin––edmeintobeingaprofessorLiketaekwondo,piano,traveling,urrentfavoriteband–OjosdeBrujo3ThisTalkHowaninstructionisprocessed–essWritebackProcessingcanbedividedintofivestages:5Instruction-essWritebackTospeeduptheprocess,pipeliningoverlapsexecutionofmultipleinstructions,exploitingparallelismbetweeninstructions6ControlHazards:BranchesConditionalbranchescreateaproblemforpipelining:thenextinstructioncan'tbefetcheduntilthebranchhasexecuted,,!mon,1/4to1/10ofinstructionsMustbepredicted,,oftenjustuseBTBaspredictorReturnsPredictedwithRAS>99%possibleifyouavoiddeeprecursion10
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