Hardware prefetching

Tag: prefetching

Aliases: prefetcher

A speculative mechanism that issues memory requests for blocks the processor is predicted to access soon — stride, stream, or correlation-based.

Lecture references

• L01 · Intro — p.17 , p.24
• L06 · Tomasulo — p.38
• L14 · Prefetching — p.9 , p.13 , p.15 , p.16 , p.17 , p.18 , p.19 , p.20 , p.21 , p.22 , p.23 , p.24 , p.26 , p.27 , p.29 , p.35 , p.36 , p.41 , p.43 , p.44
• L15 · Virtual Memory — p.5 , p.6
• L16 · Multiprocessors — p.71

Exam references

• Final — Spring 2024 — Q1(d)
• Final — Spring 2025 — Q4(a)