Return Address Stack (RAS)

Tag: ras

Aliases: RAS, return stack

A small hardware stack that predicts return targets by mirroring call/return semantics — pushed on call, popped on return.

Lecture references

• L04 · Hazards — p.55
• L10 · Branch Prediction — p.18 , p.24 , p.26 , p.27 , p.28
• L11 · Advanced Branch Prediction — p.9