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Basic Blocks of Computer

Quick practice

Question 1 of 5

Consider the following processors (ns stands for nanoseconds). Assume that the pipeline registers have zero latency.


P1: Four-stage pipeline with stage latencies 2 ns, 1 ns, 1.5 ns, 1 ns.


P2: Four-stage pipeline with stage latencies .5 ns, 1.5 ns, 1.5 ns, 1.5 ns.


P3: Five-stage pipeline with stage latencies 0.5 ns, 1 ns, 1.5 ns, 1.5 ns, 1 ns.


P4: Five-stage pipeline with stage latencies 0.5 ns, 0.5 ns, 1 ns, 1 ns, 1.1 ns.


Which processor has the highest peak clock frequency?

A

P2

B

\mathrm{P_4}

C

P1

D

P3

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