Question 3 Consider three different processors P1, P2, and P3 executing the same instruction set with the clock rates and CPIs given in the following table. Processor Clock Rate P1 3 GHz 1.5 P2 2.5 GHz 1.0 P3 4 GHz 2.2 b. P1 2 GHz 1.2 P2 3 GHz 0.8 P3 4 GHZ 2.0 a. 1. Which processor has the highest performance expressed in instructions per second? 2. If the processors each execute a program in 10 seconds, find the number of cycles and the number of instructions. 3. We are trying to reduce the time by 30% but this leads to an increase of 20% in the CPI. What clock rate should we have to get this time reduction? For problems below, use the information in the following table. Processor Clock Rate No. Instructions Time a. P1 3 GHz 75 P2 2.5 GHz 10 s P3 4 GHz 95 20.00E+09 30.00E+09 90.00E+09 20.00E+09 30.00E+09 25.00E+09 b. P1 2 GHz 5 s P2 3 GHz 00 s P3 4 GHz 75 4. Find the IPC (instructions per cycle) for each processor. 5. Find the clock rate for P2 that reduces its execution time to that of P1. 6. Find the number of instructions for P2 that reduces its execution time to that of P3