Risc V:

6) _The breakdown of instruction categories are as follows: R-Type BEQZ/BNEZJALIJALR 25% LD SD 40% 5% 25% 5% Also, assume the following branch predictors accuracies: 2-Bit Always-Taken 45% Always-Not-Taken 55% 85% What is the extra CPI due to mispredicted branches with the always-taken predictor? (Assume that branch outcomes are determined in the EXE stage.) a) b) What is the extra CPI for the always-not-taken predictor? c) What is the extra CPI for the 2-bit predictor