4 votes 4 votes Will it be 6 or 7? CO and Architecture pipelining co-and-architecture + – KISHALAY DAS asked Oct 21, 2016 retagged Nov 13, 2017 by Arjun KISHALAY DAS 4.2k views answer comment Share Follow See 1 comment See all 1 1 comment reply Manu Thakur commented Nov 17, 2017 reply Follow Share answer should be 7. similar question from ISRO 2013 https://gateoverflow.in/43806/isro-2013-15 answer in official keys is 9. 0 votes 0 votes Please log in or register to add a comment.
9 votes 9 votes Efficiency = Speedup / Stages => Stages = 4.8 / 0.76 = 6.31 Take stages = 6, then efficiency = 80% and taking stages = 7, efficiency = 68.57% Hence, Stages = 6 is better here as efficiency >= 76%. Kapil answered Oct 21, 2016 Kapil comment Share Follow See all 11 Comments See all 11 11 Comments reply Show 8 previous comments thor commented Dec 10, 2016 reply Follow Share @Kapil https://gateoverflow.in/43806/isro-2013-15#c91430 Which approach is right? 0 votes 0 votes Shreya Roy commented Mar 20, 2017 reply Follow Share Kapil , the question asks min number of stages needed ,so may be they are asking to maintain the frequency less than 76%. So , I guess 7 is the answer. 1 votes 1 votes Manu Thakur commented Nov 17, 2017 reply Follow Share Answer of this question should be 7. similar question has come in ISRO 2013 exam, https://gateoverflow.in/43806/isro-2013-15 9 is the answer as per the official answer keys. 0 votes 0 votes Please log in or register to add a comment.