For the following two questions, consider the repeating pattern of branch outcom

Question

For the following two questions, consider the repeating pattern of branch outcomes: 1 1 0 1 0.

For the following two questions, consider the repeating pattern of branch outcomes: T, T, NT, T, NT. Calculate accuracy for 1-bit predictor in steady state. Assume that the 1-bit predictor is initialized to 0 ('NT'). Please use the following table to make entries for calculating accuracy. What is the accuracy of the two bit predictor for the first five branches as defined by the pattern, assuming that the predictor starts off in the bottom left state from figure below (00-predict not taken). Please use the following table to make entries for calculating accuracy.

Explanation / Answer

22)

Answer:

The Accuracy=3/5

=0.6

Actual T NT NT T NT Predictor 0 1 0 0 0 Predict NT NT NT NT NT

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