Consider The Consider the following code segment within a loop body:
if ( n % 2 == 0 ) /...
Computers and Technology, 20.05.2020 22:07 21ltilley
Consider The Consider the following code segment within a loop body:
if ( n % 2 == 0 ) // branch 1
a++;
if ( n % 10 == 0 ) // branch 2
b++;
Assume that the following list of 10 values of n is to be processed by 10 iterations of this loop: 18, 29, 30, 41, 52, 60, 79, 80, 91, 100
(1) List the predictions for the following branch prediction schemes from (a) to (d)
(2) Calculate the prediction accuracies for each scheme (i. e. (a) to (d))
(a) Always taken.
(b) Always not taken.
(c) 1-bit predictor, initialized to predict taken.
(d) 2-bit predictor, initialized to weakly predict taken. Following Code Segment Within A Loop Body
Answers: 2
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