Unformatted text preview: 6 instructions was used to compare performance of the two machines. The table below lists each machine’s CPI with respect to each instruction class, as well as the usage frequency of each instruction class in the reference program. Instruction Class CPI of M1 CPI of M2 Usage Frequency A 1 2 60% B 2 3 30% C 4 4 10% a) Calculate each machine’s overall (weighted average) CPI. b) Calculate each machine’s performance. c) Calculate the two machine’s performance ratio. Which machine performs better?...
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- Fall '08
- Central processing unit, class a, San José State, average) CPI., instruction class