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Abstract: Recent research [6] has suggested that the branch history register need not contain the outcomes of the most recent branches in order for the Two-Level Adaptive Branch Predictor to work well. From this result, it is tempting to conclude that the branch history register need not be speculatively updated. This paper revisits this work and explains when the most recent branch outcomes can be omitted without significantly affecting performance. It also explains why this result does not imply that... (Update)
Context of citations to this paper: More
...[9] predictor shows 64 accuracy. Value delay limits the performance of any value prediction schemes, similar to branch outcome delay [10]. Value delay occurs when the required past value is not available for use by the predictor due to pipeline latency. Based on profile...
...implementation. Out of order fetching may interact with branch prediction unfavorably because speculative update of branch history [8] may be disrupted by the out of order fetch stream. Because this is the first paper on this approach, we avoid this issue by assuming that...
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0.1: Characterizing and Removing Branch Mispredictions - Skadron (1999) (Correct)
0.1: Speculative Updates of Local and Global Branch History.. - Skadron, Martonosi.. (1998) (Correct)
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10: Combining branch predictors - McFarling - 1993
9: A study of branch prediction strategies (context) - Smith - 1981
8: Alternative implementations of two-level adaptive branch predictions - Yeh, Patt - 1992
BibTeX entry: (Update)
Eric Hao, Po-Yung Chang, and Yale N. Patt. The Effect of Speculatively Updating Branch History on Branch Prediction Accuracy, Revisited. In Proceedings of the 27th Annual International Symposium on Microarchitecture, pages 228--232, San Jose, California, November 30--December 2, 1994. http://citeseer.ist.psu.edu/hao94effect.html More
@inproceedings{ haoeffect,
author = "Eric Hao and Po-Yung Chang and Yale N. Patt",
title = "The Effect of Speculatively Updating Branch History on Branch Prediction Accuracy, Revisited",
pages = "228--232",
url = "citeseer.ist.psu.edu/hao94effect.html" }
Citations (may not include all citations):185 Branch prediction strategies and branch target buffer design (context) - Lee, Smith - 1984
147 Alternative implementations of two-level adaptive branch pre.. - Yeh, Patt - 1992
110 Improving the accuracy of dynamic branch prediction using br.. (context) - Pan, So et al. - 1992
91 Two-level adaptive branch prediction (context) - Yeh, Patt - 1991
84 Reducing the cost of branches (context) - McFarling, Hennessy - 1986
31 A comprehensive instruction fetch mechanism for a processor .. - Yeh, Patt - 1992
30 Checkpoint repair for out-of-order execution machines (context) - Hwu, Patt - 1987
15 Personal communication (context) - Talcott - 1994
7 The impact of unresolved branches on branch prediction schem.. (context) - Talcott, Yamamoto et al. - 1994
The graph only includes citing articles where the year of publication is known.
Documents on the same site (http://www.eecs.umich.edu/~pychang/): More
Alternative Implementations of Hybrid Branch Predictors - Po-Yung Chang (1995) (Correct)
Branch Classification: a New Mechanism for Improving Branch.. - Chang (1994) (Correct)
Using Hybrid Branch Predictors to Improve Branch Prediction .. - Evers, Chang, Patt (1996) (Correct)
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