Just need answer for part b. Answer for part a. is known. 1.Answer the following
ID: 3585288 • Letter: J
Question
Just need answer for part b. Answer for part a. is known.
1.Answer the following questions about the following two machines
Machine A: 2GHz frequency, 1.5 Cycles per instruction
Machine B: 1.5 GHz frequency, 2.0 Cycles per instruction
a. Suppose Machines A and B use different ISA’s and that the instruction count for each machine is not the same. Which machine has better execution time and how much faster is it?
Machine A’s instruction count is 10G instructions
Machine B’s instruction count is 5G instructions
Answer: B is 1.125 times faster than A.
b. Is it really possible for ISA to affect the instruction count so dramatically? If so, how?
Explanation / Answer
Solution:
Yes, that totally depends on Instruction set architecture. It depends on whether the ISA is I-type or R-type.
and that depends on instruction format of particular ISA.
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