Performance Analysis of Eager Dual Path Strategy


The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 7, No. 1, pp. 245-251, Jan. 2000
10.3745/KIPSTE.2000.7.1.245,   PDF Download:

Abstract

To improve the performance of the dual path strategy for a pipelined processor, we propose a hybrid confidence mechanism and Eager Dual Path Strategy(EDPS). The proposed hybrid confidence mechanism can increase the accuracy of confidence prediction by integrating both static and dynamic confidence mechanisms. EDPS can reduce the sum of branch delay cycles by allowing branch instructions in the high confidence set to execute down both paths whenever possible. Through the trace-driven simulation of six benchmark programs, EDPS using the hybrid confidence mechanism can reduce the sum of branch delay cycles by 22% compared to Selective Dual Path Execution.


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Cite this article
[IEEE Style]
Y. S. Joo and K. S. Cho, "Performance Analysis of Eager Dual Path Strategy," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 7, no. 1, pp. 245-251, 2000. DOI: 10.3745/KIPSTE.2000.7.1.245.

[ACM Style]
Young Sang Joo and Kyung San Cho. 2000. Performance Analysis of Eager Dual Path Strategy. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 7, 1, (2000), 245-251. DOI: 10.3745/KIPSTE.2000.7.1.245.