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CS 5204 Operating Systems Fall 2007

This class focuses on operating systems, runtime systems, and compilers, with an emphasis on building reliable systems. It includes reading research papers, projects, and presentations.

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CS 5204 Operating Systems Fall 2007

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  1. CS 5204Operating SystemsFall 2007 Godmar Back

  2. About Me • Undergraduate Work at Humboldt and Technical University Berlin • PhD University of Utah • Postdoctoral Work at Stanford University • Joined Virginia Tech as Assistant Professor August 2004 • Research Interests: • Operating systems, runtime systems and compilers: focus on building reliable systems. CS 5204 Fall 2007

  3. Course Facts • Meet TR 2:00pm-3:15pm McBryde 216 • Will use class website as primary means of communication • http://courses.cs.vt.edu/~cs5204/fall07-gback • Will use Blackboard Portal for grades • http://learn.vt.edu • Will add forum • http://forum.cs.vt.edu/ CS 5204 Fall 2007

  4. Prerequisite/Force-Add • I expect that everybody who is interested in taking this class will be able to do so • Send email to gback@cs.vt.edu with your name and student id if you are not yet officially enrolled CS 5204 Fall 2007

  5. Email Etiquette • Please make sure your From: line has your full name • Picture shows how to enter it in vt’s webmail CS 5204 Fall 2007

  6. About This Class • Graduate Level Operating Systems • Emphasis on preparing students for research • Read and evaluate research papers • Learn from experienced researchers • Learn OS by studying systems • Projects • Unstructured problems • Presentations (2) • Of others’ research and your own CS 5204 Fall 2007

  7. Reading Material • Assigned research papers are primary reading • Textbooks for background include • Silberschatz, Galvin, Gagne: Operating Systems Concepts • Nutt: Operating Systems • Stallings: Operating Systems Internal and Design Principles • Tanenbaum: Modern Operating Systems • Tanenbaum & van Steen: Distributed Systems: Principles and Paradigms CS 5204 Fall 2007

  8. Format • Discussions + lecture • Paper evaluations • Speaker evaluations • Two student presentations • one for assigned research paper • one for term project • Structured projects • (Unstructured, open ended) term project CS 5204 Fall 2007

  9. Discussions • Everybody reads assigned papers before class • Submit brief evaluation form • Proves you’ve read the paper • Enables you to contribute to discussion • Instructions on how to submit will be on website CS 5204 Fall 2007

  10. Late Policy • No late submissions will be accepted. • Instead, you have six wildcards: • Six dates on which you can skip evaluations without penalty • Need not be announced beforehand • Contact instructor for exceptions in severe circumstances only • Unlikely to grant incompletes (I) CS 5204 Fall 2007

  11. Paper Evaluation Form • What problem does the paper attack? How does it relate to and improve upon previous work in its domain? • What are the key contributions of the paper? • Briefly describe how the paper’s experimental methodology supports the paper’s conclusions. • Write down one question you plan to bring up in the discussion. CS 5204 Fall 2007

  12. Your Presentation • 2 parts • First, present research as if it were your own • Giving background if necessary • Then, change roles: • Evaluate research from your perspective: add insights, criticism, etc. • Help lead subsequent discussion CS 5204 Fall 2007

  13. Preparing Your Presentation • Guidelines for presentations are posted on class website • Strongly recommend you read them • Every student must meet with instructor to discuss slides. • It’s your responsibility to schedule a suitable time, early enough such that there’s still time for revisions to your slides • You must have your slides ready by that time. CS 5204 Fall 2007

  14. Getting Feedback • Speaker evaluation forms • TA compiles forms and provides summaries • You do this as a courtesy to your fellow students who benefit from your feedback CS 5204 Fall 2007

  15. Speaker Evaluation Form • Content • Did the speaker extract and emphasize the paper’s main contributions? • Did the speaker put the presented work in context? • Form • Slides: Were the slides readable and concise? • Presentation: Was the presentation understandable and clear? • Other comments you wish to provide, if any CS 5204 Fall 2007

  16. Class Participation • Important • Usually proportional to preparation • Will give you feedback • Insufficient • Sufficient • Above average CS 5204 Fall 2007

  17. Midterms • Probably 2 midterms • Midterm dates to be announced • Covers material from lectures and discussion CS 5204 Fall 2007

  18. Term Project • Two Choices: • Survey Paper • Programming Project • Milestones • Project proposal • Will post schedule • Final Presentation • To teaching staff during or before final’s week – open to entire class (and interested parties) CS 5204 Fall 2007

  19. Survey Paper • Done individually • Explore research area or controversy • Do not merely summarize n papers • Rather • Identify problems, ideas and concepts in related (or contrasting) research and approaches • Learn and discuss trade-offs • Evaluate approaches CS 5204 Fall 2007

  20. Survey Topics: Examples • OS Support for Multi-core architectures • Including Cell • Threads vs. Events • Soft Updates vs. Journaling File Systems • Virtualization Techniques • Multi-tasking/resource control in a JVM • Techniques for reliability in OS • … pick your own topic of interest here CS 5204 Fall 2007

  21. Programming Project • Done in teams of 1-2 students (3 only if project size warrants) – like to see 2 students as the norm • Many options: • Build small distributed system • E.g., small P2P system; distributed web cache • Distribute existing system • Perform experiments • E.g., characterize Linux workloads; try CFS • Modify or improve existing system • E.g., add Superfetch to Linux • … your own idea CS 5204 Fall 2007

  22. Grading • 30% Midterm(s) • 10% Paper Evaluations + Class Participation • 10% Research Paper Presentation • 40% Projects • 10% Final Presentation • These may be subject to change CS 5204 Fall 2007

  23. Honor Code • Will be strictly enforced in this class • Do not cheat • Observe collaboration policy outlined in syllabus • Do not plagiarize • Use proper documentation (see separate notes) • Also applies when preparing presentations • Also applies to project documentation/reports • Read the policies posted on the website • Note reference to “codes of ethics used by professional societies in the United States • If in doubt, ask! CS 5204 Fall 2007

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