Which of the following two processors will execute a program with the given instruction mix faster?

Question 4
Which of the following two processors will execute a program with the given instruction mix faster?

Name Processor A Processor B
Frequency 1GHz. 2GHz.
CPI for ALU Instructions 1 1.5
CPI for Branch Instructions 2 3
CPI for Memory Instructions 1 2
Instruction Mix:

50% ALU Instructions

10% Branch Instructions

40% Memory Instructions

12 points

  • Processor A
  • Processor B
  • Both processors execute the program in the same amount of time