Need help answering 4-10 on Amdahls Law in my assembly language class. QUESTION

Question

Need help answering 4-10 on Amdahls Law in my assembly language class.

QUESTION 4 10 points Save A Microsoft released a new version of Excel that processes my Macro's in 4 seconds instead of the old program which took 5 seconds. According to Amdahls law, what is the speedup? QUESTION 5 10 points Save A I found that I can replace one of my instructions that takes 300 ns with a different one that takes 2 program by using this instruction? ns y program runs this ns uction % of het me. What she the speedup on he entire QUESTION 6 10 points SaveA I'm buying a new computer in order to run a floating point intensive program called RUNIT. What program would be the best benchmark to run in order to determine which computer to buy? QUESTION 7 10 points Save A My speedup factor is two. My old execution time was 100ns. What is my new execution time in ns? (enter number only) QUESTION 8 10 points Save A My speedup factor is two. My new execution time after speedup is 100s. What was my old or original execution time in seconds? (answer is number only)

Explanation / Answer

4).

ans:speedup=old/new time

=5/4=3

5..(300/200)*(50/100)

=0.75

=3

7)speedup=old/new time

2=100/new

new time=50

8)

speedup=old/new time

2=old/100

oldtime=200

9)speedup=new/old proceesor

=10/5

=2

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