Please answer with complete and explained situation, as I need to understand this for a a test. Need to understand how did they get the values in the solution provided. Thanks

Answer:

Current-> average execution time per instruction: 1.325 * 10^(-9) sec Proposal 1 -> average execution time per instruction: 0.97 * 10^(-9) sec Proposal 2 -> average execution time per instruction: 1.03 * 10^(-9) sec Proposal 1 is faster

Problem 1- Assume a CPU has the following instruction mix and CPI: Instruction type | % of instructions Arithmetic Load/Store Conditional Multiply/Division10 50 25 15 CPI 2 12 The clock rate is 2GHz. You have received 2 competing proposals to improve performance: 1. To have a special multiply/division unit that performs multiplication and division in 2 cy 2. To increase the clock to 3GHz, that will increase load/store by one cycle and the multi- Which of these 2 proposals is better (or none of them, the current one is better)? Justify your cles. You need to reduce the clock rate to 1.7GHz. ply and division by 2 cycles