How much faster is the pipelined machine

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Reference no: EM132153495

Two computers have 12-stage fetch-execute cycles where branches are determined in stage 5. One computer is pipelined with a pipeline latency of t_p = 1 and the other is not pipelined.

We are running a program of 5, 000 instructions which contain 250 branches, each of which skips over 8 instructions.

Answer the following.

a. How much faster is the pipelined machine over the non-pipelined machine assuming no branches are taken?

b. How much faster is the pipelined machine over the non-pipelined machine assuming all branches are taken?

c. Bonus question: Rather than 250 branches, assume there are b branches. How large would b have to be such that if all branches are taken, the pipelined machine and the non-pipelined machine have the same performance?

Reference no: EM132153495

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