CMSC 12300 and CAPP 30123: Computer Science with Applications III

The University of Chicago, Spring 2017

Code snippets from lectures

• Lecture 1: 1-grams and using less memory
  • Memory-intense dictionary approach
  • O(1)-space approach (better)
• Lecture 3: Multi-process max
  • Code
• Lecture 5: Word count on MapReduce with mrjob
  • Code
• Lecture 6: MapReduce examples
  • Count all words using MapReduce
  • Average word length using MapReduce
  • Average unique word length using MapReduce
• Lecture 7: MapReduce examples, C example
  • Max word length using MapReduce
  • Max length word using MapReduce
  • Factorial in C
• Lecture 13: Concurrency
  • Threads example 1
• Lecture 14: Concurrency
  • Threads example 2
• Lecture 15: Synchronization
  • withdraw (mutex example)
• Lecture 16: Synchronization
  • withdrawer and depositer (condition variable example)