GShare predictor

Tag: gshare

Aliases: gshare

A correlating branch predictor that XORs the global branch history register with the branch PC to index a shared BHT, capturing inter-branch correlation.

Lecture references

• L04 · Hazards — p.55
• L10 · Branch Prediction — p.24 , p.29 , p.33 , p.41 , p.43 , p.45 , p.47 , p.48 , p.49 , p.50
• L11 · Advanced Branch Prediction — p.3 , p.22 , p.23 , p.25 , p.27 , p.28 , p.29 , p.30 , p.51
• L12 · Caches — p.5 , p.10