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CMU CS 15213 - class01b

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Introduction to Computer SystemsTopics:Topics: Staff, text, and policies Lecture topics and assignments Lab rationale and infrastructure15-213 F ’06class01b.ppt15-213“The Class That Gives CMU Its Zip!”David R. O’HallaronAugust 30, 2006–2–15-213, F’06Teaching staff Instructorsz Prof. Randal E. Bryantz Prof. David R. O’Hallaron TA’sz Ashwin Bharambez Michael Brotzmanz Tudor Dumitrasz Donnie Kimz Amit Manjhi Course Adminsz Cindy Chemsak (NSH 4303)z Barb Grandillo (WeH 8018)Come talk to us anytime!(Or phone or send email)–3–15-213, F’06TextbooksRandal E. Bryant and David R. Randal E. Bryant and David R. OO’’HallaronHallaron, ,  “Computer Systems: A Programmer’s Perspective”, Prentice Hall 2003. http://csapp.cs.cmu.eduBrian Kernighan and Dennis Ritchie, Brian Kernighan and Dennis Ritchie,  “The C Programming Language, Second Edition”, Prentice Hall, 1988–4–15-213, F’06Course ComponentsLecturesLectures Higher level conceptsRecitationsRecitations Applied concepts, important tools and skills for labs, clarification of lectures, exam coverageLabsLabs The heart of the course 1 or 2 weeks Provide in-depth understanding of an aspect of systems Programming and measurement–5–15-213, F’06Getting HelpClass Web PageClass Web Page http://www.cs.cmu.edu/~213 Copies of lectures, assignments, exams, solutions Clarifications to assignmentsMessage BoardMessage Board http://autolab.cs.cmu.edu Clarifications to assignments, general discussion  The only board your instructors will be monitoring (No blackboard or Andrew)Personal helpPersonal help Professors:z R. Bryant, office hour or appt.z D. O’Hallaron, office hour, appt, or when door is open. TAs: office hour, email, or appt.–6–15-213, F’06Policies: AssignmentsWork groupsWork groups You must work alone on all labs HandinsHandins Assignments due at 11:59pm on Wed or Fri evening Electronic handins using Autolab (no exceptions!).Makeup exams and assignmentsMakeup exams and assignments OK, but must make PRIOR arrangements with Prof. O’Hallaron.Appealing gradesAppealing grades Within 7 days of due date or exam date. Labs: Talk to the lead person on the assignment  Exams: Talk to Prof O’Hallaron.–7–15-213, F’06CheatingWhat is cheating?What is cheating? Sharing code: either by copying, retyping, looking at, or supplying a copy of a file. Coaching: helping your friend to write a lab, line by line.What is NOT cheating?What is NOT cheating? Helping others use systems or tools. Helping others with high-level design issues. Helping others debug their code.Penalty for cheating:Penalty for cheating: Removal from course with failing grade.Detection of cheating:Detection of cheating: We do check and our tools for doing this are much better than you think!–8–15-213, F’06Policies: GradingExams (40%)Exams (40%) Two in class exams (10% each) Final (20%) All exams are open book / open notes.Labs (60%)Labs (60%) 7 labs (6-12% each)Grading CharacteristicsGrading Characteristics Lab scores tend to be highz Serious handicap if you don’t hand a lab inz We offer generous redemption programs Tests typically have a wider range of scores–9–15-213, F’06FacilitiesLabs will use the Intel Computer Systems Labs will use the Intel Computer Systems Cluster (Cluster (akaaka““the fish machinesthe fish machines””)) 15 Pentium Xeon servers donated by Intel for CS 213 Dual 3.2 Ghz 64-bit (EM64T) Nocona Xeon processors 2 GB, 400 MHz DDR2 SDRAM memory  Rack mounted in the 3rd floor Wean Hall machine room. Your accounts are ready.Getting help with the cluster machines:Getting help with the cluster machines: See course Web page for login directions Please direct questions to your TA’s first–10–15-213, F’06Logging into Fish MachinesRead description on the course webRead description on the course web--page carefullypage carefullyRun Run checkincheckinscript (once only) to setup Kerberos script (once only) to setup Kerberos credentialscredentials % /afs/cs/academic/class/15213-f06/bin/checkin Login using your Andrew ID and password:Login using your Andrew ID and password: % ssh –x –l [email protected] tuna.ics.cs.cmu.eduKeep your code in your Keep your code in your ““213hw213hw””directory on your directory on your AndrewAndrewaccountaccount–11–15-213, F’06Programs and Data (6)TopicsTopics Bits operations, arithmetic, assembly language programs, representation of C control and data structures Includes aspects of architecture and compilers AssignmentsAssignments L1 (datalab): Manipulating bits L2 (bomblab): Defusing a binary bomb L3 (buflab): Hacking a buffer bomb–12–15-213, F’06Performance (2)TopicsTopics High level processor models, code optimization (control and data), measuring time on a computer Includes aspects of architecture, compilers, and OSAssignmentsAssignments L4 (perflab): Optimizing code performance–13–15-213, F’06The Memory Hierarchy (2)TopicsTopics Memory technology, memory hierarchy, caches, disks, locality Includes aspects of architecture and OS.AssignmentsAssignments L4 (perflab): Optimizing code performance–14–15-213, F’06Linking and Exceptional Control Flow (3)TopicsTopics Object files, static and dynamic linking, libraries, loading Hardware exceptions, processes, process control, Unix signals, nonlocal jumps Includes aspects of compilers, OS, and architectureAssignmentsAssignments L5 (tshlab): Writing your own shell with job control–15–15-213, F’06Virtual Memory (4)TopicsTopics Virtual memory, address translation, dynamic storage allocation Includes aspects of architecture and OSAssignmentsAssignments L6 (malloclab): Writing your own malloc package–16–15-213, F’06I/O, Networking, and Concurrency (6)TopicsTopics High level and low-level I/O, network programming, Internet services, Web servers concurrency, concurrent server design, threads, I/O multiplexing with select. Includes aspects of networking, OS, and architecture.AssignmentsAssignments L7 (proxylab): Writing your own Web proxy–17–15-213, F’06Lab Rationale Each lab should have a wellEach lab should have a well--defined goal such as defined goal such as solving a puzzle or winning a contest. solving a puzzle or winning a contest. Doing a lab should


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CMU CS 15213 - class01b

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