COMP 3000 Final exam review 2010

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Sample questions

  1. What are two uses for nested virtual machines?
  2. Multi-dimensional page tables are designed to avoid using shadow page tables in nested virtualization. What are shadow page tables, and when must they be used?
  3. What is a sloppy counter? Why is it more scalable than a regular counter?
  4. In Boyd-Wickizer et al (Linux Scalability to Many Cores), they analyze the scalability of seven applications. For one of these applications, briefly explain 1) what does the program do, 2) what was one key bottleneck they found in the kernel for this application, and 3) how did they address this bottleneck?
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