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in CO and Architecture by Loyal (7.8k points) | 102 views
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Is it 64?
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Yes. Share your approach pls :)
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At clock cycle=8, $I_{6}$'s execute instruction will end and hence at clock cycle=9, $I_{12}$'s Stage 1 will start and $I_{12}$ will complete at clock cycle=12. Now the remaining $I_{13}$ to $I_{16}$ instructions will complete at clock cycle=16. Since, cycle time of pipeline is 4 ns, hence Time Required =

4ns * 16 = 64 ns

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After completion of S3 stage of I6, we can know that the next instruction is I12. So the S1 stage of I12 can start only after the S3 of I6.

by Boss (23.5k points)
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thanks

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