Question: A computer executes a benchmark which has 2 5 x 1 0 6 INT instructions, 5 5 x 1 0 6 FP instructions, 4 0

A computer executes a benchmark which has 25 x 106 INT instructions, 55 x 106 FP instructions, 40 x 106 L/S instructions and 10 x 106 Branch instructions. The CPI for each type of instruction is 4,16,12, and 8, respectively. Assume that the processor has a 2 GHz clock rate.
If the program has to run two times faster with the same clock rate, by how much must the CPI of FP instructions be improved?

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