Question: 4 . 9 In this exercise, we examine how data dependences affect execution in the basic 5 - stage pipeline described in Section 4 .

4.9 In this exercise, we examine how data dependences affect execution in the basic 5-stage pipeline described in Section 4.5. Problems in this exercise refer to the following sequence of instructions: or r1, r2, r3
or r2, r1, r4
or r1,r1, r2
Also, assume the follwoing cycle times for each of the options related to forwarding:

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