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Question #1 (a) Fill in the table showing updated predictions and hits/misses for a 1 bit and 2 bit non- correlating predictors. The default predictions
Question #1 (a) Fill in the table showing updated predictions and hits/misses for a 1 bit and 2 bit non- correlating predictors. The default predictions are given below Trace Default NT T NT NTT NT T NTT T T NT 1-bit hit/miss 2-bit hit/miss (b) The following trace was generated for a program in which you want to evaluate a (1,2) branch prediction scheme. The program loops such that the branches are executed in order and continue repeating i.e., br br2-br3 -> bl -br2). The default prediction value ST/WT for the first branch implies a prior branch was taken (pointing to the right of the /). Fill in the Table below Brl T T T NT Br2 T NT T NT Br3 NT T NT T Branch 1 Branch 2 Branch 3 Pred Actual Actual Pred SNT/WT Pred WT/SNT Actual ST/WT Question #1 (a) Fill in the table showing updated predictions and hits/misses for a 1 bit and 2 bit non- correlating predictors. The default predictions are given below Trace Default NT T NT NTT NT T NTT T T NT 1-bit hit/miss 2-bit hit/miss (b) The following trace was generated for a program in which you want to evaluate a (1,2) branch prediction scheme. The program loops such that the branches are executed in order and continue repeating i.e., br br2-br3 -> bl -br2). The default prediction value ST/WT for the first branch implies a prior branch was taken (pointing to the right of the /). Fill in the Table below Brl T T T NT Br2 T NT T NT Br3 NT T NT T Branch 1 Branch 2 Branch 3 Pred Actual Actual Pred SNT/WT Pred WT/SNT Actual ST/WT
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