mshah.ioCourse ScheduleCourse Information
Administrivia, Course Introduction, Systems Overview (Shah & Zhong)C Review and Unix Programming Tools (Shah)No ClassTransistors-instructions (Zhong)Architecture (Zhong)Assembly 1: Machine Instructions, and Reverse Engineering (Shah)Assembly 2: Assembly and Machine Representation(Shah)Address Space and Abstract Machine (Zhong)Abstract machine: implementation and Operating System: Process (Zhong)Operating System: File (Zhong)OS: Virtual Memory (Zhong)Memory Hierarchy (Zhong)Locality and the Cache (Zhong)(Lin) continued on Cache and Compilers 1 (Shah)Linkers and Code Generation (Shah)No ClassCompilers 2 - Optimization (Shah)ExamOS: Heap Allocators 1 (Shah)OS: Heap Allocators 2 (Shah)Modern Systems Programming: D and Memory Safety (Shah)Modern Systems Programming: Rust and Memory Safety (Zhong)mini - Operating Systems, xv6 (Shah)xv6 and Schedulers and operating system multiprocessing (Shah)CPU Parallelism with SIMD (SSE, AVX), Concurrency and Threads (Shah)GPU Programming (Zhong)No ClassNo ClassGPU Programming and LLMs (Zhong)Course wrap-up, class photo, Instructors Choice of topic(e.g. Networking) (Shah)


Module 11 - OS: Virtual Memory (Zhong) - 2025-Sep-29

Overview

In this module we discuss virtual memory

  • Virtual Memory
  • MMU
  • Page (Page hit, page miss, page fault)
  • Address Translation
  • Translation Lookaside Buffer (TLB)

Slides and Class Content

Please note: Your in-class activity is graded. Your first attempt will be graded. You can use your notes and slides if you like. You have 1 week from the date of this module opening to complete the in-class activity. In-class activities are completed individually.

Audio/Video Recording

Note: Audio/Video recordings are made in a best effort in case you have to miss class or you would otherwise like to re-watch a portion of lecture. Occassional recording errors (e.g. missing sound, corrupted video, etc.) may occur, and I apologize in advance if a recording is not able to be made available.

Readings

    Please use the following resources to supplement this lecture. You may choose to read 1 or more of these before/during/after the lecture to fully immerse into the material.

  1. Dive Into Systems
    • 13.3 Virtual Memory
  2. Ostep Book
    • Chapters 12-19
  3. How Processors Work
    • A nice overview of how your processor works.
  4. What is virtual memory? – Gary explains
    • Video explanation of Virtual Memory
  5. Notes on page tables
    • Archived lecture notes
Please do not redistribute or host any materials without e-mailing me first. Thank you for your time!