Consider the following two machines A & B:

a. (20%) What is the relative CPI of the two machines? Show your work.

b. (20%) Assuming that we have a clock rate of 2Ghz what is the effective MIPS rate of the two machines? Show your work.

c. (10%) Based on your results from d, which of the following machines would you choose? Explain.

Instruction Count (millions) 10 Cycles Per Instruction 2 Machine A: Instruction Type Arithmetic/Logic Load and Store Branch Others 5 4 6 2 3 3 Instruction Count (millions) 8 Cycles Per Instruction 1 Machine B: Instruction Type Arithmetic/Logic Load and Store Branch Others 3 5 4 1 3 2 Instruction Count (millions) 10 Cycles Per Instruction 2 Machine A: Instruction Type Arithmetic/Logic Load and Store Branch Others 5 4 6 2 3 3 Instruction Count (millions) 8 Cycles Per Instruction 1 Machine B: Instruction Type Arithmetic/Logic Load and Store Branch Others 3 5 4 1 3 2