(6) (12 points /6 points each) The following table is from your last assignment (assignment1) in computing the performance and instruction rate between systems A and B Program P1 P2 Program P1 Time (sec) A 2.0 5.0 Instructions Executed on A Instructions Executed on B 5 x 109 Time (sec) B 1.5 10.0 6 x 109 (a) If the clock rate for system A and B are 4GHz and 6 GHz respectively, calculate the clock cycle per instruction (CPI) for Program P1 for both system (A and B) Ans: (b) Assuming the CPI for Program P2 is the same for both computer A and B, find the instruction count for P2 running on each computer using the execution time list in the above table