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1、1IntroductiontoComputerSystems2OutlineTeachingstaffsTextbookandGradingMotivationSuggestedreadingPreface17~20(20~29optional)3Instructor臧斌宇Email:byzang@fudan.edu.cnOfficephone:13917124245Makeanappointment4TeachingAssistants陈榕杨克峤、郝志军、袁立威、王肇国5TextBookRandyBryantandDavidO’Hal
2、laron,ComputerSystems:AProgrammer’sPerspectivePrenticeHall,August12,2002.BrianKernighanandDennisRitchie,TheCProgrammingLanguage,SecondEditionPrenticeHall,19886GradingExams(60%)Midterm(15%each)Final(30%)Allexamsareopenbooks/opennotes.Labs(35%)4labs(25%),(4-12%each)Onlinee
3、xamforlab2(10%)Homework(5%)7LayersofComputerSystemsWhystudycomputersystems?LotsofsystemscompaniesMicrosoft,Google,IBM,EMC,CISCO,VMwareWhat’sGoogle’score?GoogleCluster,GFS,MapReduce,BigTableGoodsystemsknowledgeisanecessitytogetyouagoodoffers/promotionsatsuchcompaniesandto
4、puniversities9BackgroundArchitectureinstructorscomplainstudentshatethecourseGoodmaterial,dedicatedteachers,butstudentshateitDon’tseehowitwillaffecttherelivesasprogrammersOSinstructorscomplainaboutlackofpreparationStudentsdon’tknowmachine-levelprogrammingwellenoughWhatdo
5、esitmeantostoretheprocessorstateontherun-timestack?10BackgroundProgrammingLiesattheHeartofMostModernSystemsComputersystemsEmbeddeddevices:cellphones,automobilecontrols,…Electronics:DSPs,programmablecontrollersProgrammersHavetoUnderstandTheirMachinesandTheirLimitationsCor
6、rectness:computerarithmetic,storageallocationEfficiency:memory&CPUperformance11BackgroundKnowingHowtoBuildSystemsIsNottheWaytoLearnHowtoProgramThemIt’swastefultoteacheverycomputerscientisthowtodesignamicroprocessorKnowledgeofhowtobuilddoesnottransfertoknowledgeofhowtouse
7、12BirthofICSNewIdeafromCMU:Introducethemtocomputersystemsfromaprogrammer'sperspectiveratherthanfromasystemdesigner’sperspectiveTopicFilter:Whatpartsofacomputersystemaffectthecorrectness,performance,andutilityofmyCprograms?NewCourseBirth:IntroductiontoComputerSystems13Whe
8、rearewe?Fromabstractionstodetails(realities)FromapplicationleveltosystemlevelFromJavatoC14Featuresofthi