15-745: Lecture Notes, Fall 2024

Lecture Notes

• Lecture 1: Overview of Optimizations (Aug. 27) 4up, 1up
• Lecture 2: Local Optimizations (Aug. 28) 4up, 1up
• Lecture 3: The LLVM Compiler: Overview (Aug. 29) 4up, 1up
• Lecture 4: Introduction to Data Flow Analysis (Sept. 3) 4up, 1up
• Lecture 5: Foundations of Data Flow Analysis (Sept. 4) 4up, 1up
• Lecture 6: The LLVM Compiler: Further Details (Sept. 5) 1up, 4up
• Lecture 7: Global Common Subexpression Elimination, Constant Folding (Sept. 10) 4up, 1up
• Lecture 8: Intro to Static Single Assignment (Sept. 11) 4up, 1up
• Lecture 9: SSA-style Optimizations (Sept. 12) 4up, 1up
• Lecture 10: Loop Invariant Code Motion (Sept. 17) 4up, 1up
• Lecture 11: Induction Variables and Strength Reduction (Sept. 18) 4up, 1up
• Lecture 12: Partial Redundancy Elimination (Sept. 19) 4up, 1up
• Lecture 13: Lazy Code Motion (Sept. 24) 4up, 1up
• Lecture 14: Region-Based Analysis (Sept. 25) 4up, 1up
• Lecture 15: Pointer Analysis (Sept. 26) 4up, 1up
• Lecture 16: Dynamic Code Optimization (Oct. 1) 4up, 1up
• Lecture 17: Register Allocation: Coloring and Spilling (Oct. 2) 4up, 1up
  • Bonus Material: Register Allocation: Coalescing 4up, 1up
• Lecture 18: Memory Hierarchy Optimizations (Oct. 3) 4up, 1up
• Lecture 23: List Scheduling (Oct. 23) 4up, 1up
• Lecture 24: Global Scheduling and Software Pipelining (Oct. 24) 4up, 1up
• Lectures 25-26: Data Prefetching (Oct. 29 and 30)
  • Slides: 4up, 1up
• Lecture 27: Array Dependence Analysis (Oct. 31) 4up, 1up
• Lecture 28: Thread-Level Speculation (Nov. 6) 4up, 1up