15-213 Introduction to Computer Systems
Lecture 10: Program Optimization

• Reading: Ch 3.14, 5.1-5.6
• Slides: none
• Video: Lec 10
• Code: 10-optimization (10-optimization.tar)
  See also code/opt on the textbook website
• Concepts:
  • Floating point register stack
  • Stack evaluation
  • Performance measurements
  • Function calls as optimization blockers
  • Aliasing
  • Code motion
  • Reducing procedure calls
  • Eliminating memory references
• Previous lecture: Memory Layout
• Next lecture: Out-of-Order Processing

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Frank Pfenning