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    题名: Improving Dynamic Branch Prediction Accuracy by Variable Cross-Reference Prediction and Iterative Dispatch
    作者: Chuang, Po-Jen;Liau, Yue-Ter;Hsiao, Young-Tzong;Chiu, Yu-Shian
    贡献者: 淡江大學電機工程學系
    关键词: 動態分支預測;效能評估;預測準確度;重複分派;樣式記錄表;Dynamic branch prediction;Performance evaluation;Predictionaccuracy;Iterative dispatch;Pattern history table (PHT)
    日期: 2003
    上传时间: 2013-03-07 14:55:07 (UTC+8)
    摘要: This paper presents two schemes, the variable cross-reference (VCR) prediction scheme and the iterative dispatch approach, to improve branch prediction accuracy for the two-level adaptive branch predictor. The VCR prediction scheme makes predictions by variably cross-referring traces in the pattern history table (PHT); it achieves desirable prediction accuracy with low time complexity and at no extra hardware cost. The iterative dispatch approach enhances prediction accuracy using the PHT history to do dispatching for an additional layer of pattern history. The proposed VCR scheme is then joined by the optimal PPM algorithm to form a combined predictor which maintains desirable prediction accuracy at reduced cost. Extensive trace-driven simulation runs have been conducted to evaluate the performance of our proposed schemes and other predictors.
    關聯: Proceedings of 2003 National Computer Symposium (Ⅲ)=2003年全國計算機會議論文集 (Ⅲ)---二十一世紀資訊時代的挑戰, pp.1768-1775
    显示于类别:[電機工程學系暨研究所] 會議論文

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