Pushing the branch predictability limits with the multi-poTAGE+SC predictor

Pierre Michaud 1 André Seznec 1
1 ALF - Amdahl's Law is Forever
Inria Rennes – Bretagne Atlantique , IRISA-D3 - ARCHITECTURE
Abstract : This paper describes the conditional branch predictor that the authors submitted to the unlimited-size track of the 4th Championship Branch Prediction. The multi-poTAGE+SC predictor which we submit combines the multi-poTAGE and TAGE-SC predictors that were submitted separately to CBP-4 by the first and second authors respectively. Both multi-poTAGE and TAGE-SC are based on the TAGE predictor. We combine them by replacing the TAGE component in TAGE-SC with the multi-poTAGE.
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Pierre Michaud, André Seznec. Pushing the branch predictability limits with the multi-poTAGE+SC predictor. 4th JILP Workshop on Computer Architecture Competitions (JWAC-4): Championship Branch Prediction (CBP-4), Jun 2014, Minneapolis, United States. ⟨hal-01087719⟩

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