Branch Target Buffer (BTB)

Tag: btb

Aliases: BTB

A small cache indexed by branch PC that stores predicted branch targets so the front end can redirect fetch the cycle a branch is fetched.

Lecture references

• L04 · Hazards — p.55
• L10 · Branch Prediction — p.18 , p.20 , p.23 , p.24 , p.25 , p.26 , p.27 , p.28 , p.30 , p.33
• L11 · Advanced Branch Prediction — p.8 , p.9 , p.11 , p.33 , p.42
• L12 · Caches — p.9