Question

Which is the mean overhead of a pipeline with 9 stages
and an execution time per stage of 3 ns?
a) 24 ns
b) 27 ns
c) 3 ns
d) 30 ns

Answer 1

Which is the mean overhead of a pipeline with 9 stages and an execution time per stage of 3 ns? a) 24 ns b) 27 ns c) 3 ns d) 30 ns

$v(p)$ - a mean overhead of a pipeline;

$k$ - number of stages;

$T$ - time per stage

$$v(p) = (k - 1)T = (9 - 1)3 = 24\ \text{ns}$$