Five poTAGEs and a COLT for an unrealistic predictorReport as inadecuate

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1 ALF - Amdahl-s Law is Forever Inria Rennes – Bretagne Atlantique , IRISA-D3 - ARCHITECTURE

Abstract : This paper describes the conditional branch predictor that the author submitted to the unlimited-size track of the 4th Championship Branch Prediction. The proposed predictor consists of 5 TAGE predictors which we have tuned for better accuracy under huge storage budget. The overall prediction is obtained by combining the 5 TAGE predictions via COLT fusion. One of the 5 TAGE components takes a conventional global path as input. The 4 other TAGE components take as input different sorts of first level histories.

Keywords : conditional branch predictor

Author: Pierre Michaud -



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