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<math>
\text{Effective processor performance} = \text{MIPS} = \frac{\text{clock frequency}}{\text{CPI}} \times {\frac{1}{\text{1 Million}}} </math><math>= \frac{400,000,000 }{1.55 \times 1000000}= \frac{400}{1.55} = 258 \, \text{MIPS}
</math>
Line 94:
<math>
\text{Execution time}(T) = \text{CPI} \times \text{Instruction count} \times \text{clock time} = \frac{\text{CPI} \times \text{Instruction Count}}{\text{frequency}} </math><math>= \frac{1.55 \times 100000}{400 \times 1000000} = \frac{1.55}{4000} = 0.0003875 \, \text{sec} = 0.3875 \, \text{ms}
</math>
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