5 votes 5 votes The speedup of a pipeline is 5 and operating with an efficiency of 60% what will be the number of stages ? 8 7 9 1 CO and Architecture pipelining co-and-architecture + – Akriti sood asked Nov 1, 2016 retagged Nov 13, 2017 by Arjun Akriti sood 1.7k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 5 votes 5 votes Efficiency=$\frac{speed up}{no of stages}$ .6=5/k k=8.333$\simeq$8 But for k=8, efficiency will be 5/8 $\geq$62% In k=9,efficiency 5/9$\geq$55% So, number of stages will be 9 srestha answered Nov 1, 2016 selected Aug 21, 2017 by sourav. srestha comment Share Follow See all 2 Comments See all 2 2 Comments reply Akriti sood commented Nov 2, 2016 reply Follow Share thanks for the answer but can you explain this efficiency formula.? how is this relationship defined 0 votes 0 votes srestha commented Nov 2, 2016 reply Follow Share It is a direct formula U can search it from google. 0 votes 0 votes Please log in or register to add a comment.