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Generally there are two formulas for finding out time taken by n jobs in a pipeline,

time for processing n jobs = time taken by 1 job + (n-1)*(time of the largest stage)      - (1)

here n is the no. of jobs/instructions needed to be processed

and,

time for processing n jobs = (k + n - 1) * Tp                                                                         - (2)

here,

k  =  total no. of segments of a pipeline

n  =  no. of jobs/instructions to be processed

Tp =  Clock cycle time

Both give different timings / values. So which one should be used when??? Please help...

Thanks

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Regarding pipeline second formula is correct.

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