Five poTAGEs and a COLT for an unrealistic predictor

Pierre Michaud 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 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.
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Communication dans un congrès
4th JILP Workshop on Computer Architecture Competitions (JWAC-4): Championship Branch Prediction (CBP-4), Jun 2014, Minneapolis, United States. 2014
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Soumis le : mercredi 26 novembre 2014 - 15:10:14
Dernière modification le : vendredi 16 novembre 2018 - 01:39:25
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  • HAL Id : hal-01087692, version 1

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Pierre Michaud. Five poTAGEs and a COLT for an unrealistic predictor. 4th JILP Workshop on Computer Architecture Competitions (JWAC-4): Championship Branch Prediction (CBP-4), Jun 2014, Minneapolis, United States. 2014. 〈hal-01087692〉

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