of 16

Operating System Design

Chapter 12 Operating System Design 12.1 The nature of the design problem 12.2 Interface design 12.3 Implementation 12.4 Performance 12.5 Project management
0 views16 pages
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Documenttranscript
Title: Operating System Design 1 Operating System Design
  • Chapter 12
  • 12.1 The nature of the design problem 12.2 Interface design 12.3 Implementation 12.4 Performance 12.5 Project management 12.6 Prends in operating system design 2 Paradigms (1)
  • Algorithmic code
  • 3 Paradigms (2)
  • Event-driven code
  • 4 Implementation Layer
  • One possible design for a modern layered operating system
  • 5 Naming
  • Directories are used to map external names onto internal names
  • 6 Static Versus Dynamic Structures
  • Code for searching the process table for a given PID.
  • Searching a static table for a pid 7 Hiding the Hardware (1)
  • CPU-dependent conditional compilation
  • 8 Hiding the Hardware (2)
  • Word-length dependent conditional compilation
  • 9 Space-Time Trade-offs (1)
  • A procedure for counting bits in a byte
  • (a) A procedure to count the 1 bits in a byte 10 Space-Time Trade-offs (2)
  • A macro to count the bits
  • A macro to access bit count in a table
  • (b) Macro to count the bytes (c) Macro to look up the count 11 Space-Time Trade-offs (3)
  • (a) Part of an uncompressed image with 24 bits per pixel
  • (b) Same part compressed with GIF, 8 bits per pixel
  • (c) The color palate
  • 12 Caching
  • Part of an i-node cache
  • 13 Software team Structure
  • Mills proposal for populating a 10-person chief programmer team
  • 14 The Role of Experience (1)
  • Traditional software design progresses in stages
  • 15 The Role of Experience (2)
  • Alternative design produces a working system
  • that does nothing starting on day 1
  • Advertisement
    We Need Your Support
    Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

    Thanks to everyone for your continued support.

    No, Thanks
    SAVE OUR EARTH

    We need your sign to support Project to invent "SMART AND CONTROLLABLE REFLECTIVE BALLOONS" to cover the Sun and Save Our Earth.

    More details...

    Sign Now!

    We are very appreciated for your Prompt Action!

    x