What is the accuracy of your predictor from 4.24.4 if it is given a repeating pattern that
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What is the accuracy of your predictor from 4.24.4 if it is given a repeating pattern that is the exact opposite of this one?
Exercise 4.24.4
Design a predictor that would achieve a perfect accuracy if this pattern is repeated forever. You predictor should be a sequential circuit with one output that provides a prediction (1 for taken, 0 for not taken) and no inputs other than the clock and the control signal that indicates that the instruction is a conditional branch.
This exercise examines the accuracy of various branch predictors for the following repeating pattern (e.g., in a loop) of branch outcomes:
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Related Book For
Computer Organization And Design The Hardware Software Interface
ISBN: 9780123747501
4th Revised Edition
Authors: David A. Patterson, John L. Hennessy
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