Gate 2009 pipelining
Consider a 4 stage pipeline processor. The number of cycles needed by the four instructions I1, I2, I3, I4 in stages S1, S2, S3, S4 is shown below:

S1 S2 S3 S4
I1 2 1 1 1
I2 1 3 2 2
I3 2 1 1 3
I4 1 2 2 2

What is the number of cycles needed to execute the following loop?

For (i=1 to 2) {I1; I2; I3; I4;}

A.16
B.23
C.28
D.30

1Comment
Shraddha @shraddhagami
10 Feb 2017 07:17 am

23