CPI¶
CPU time
\[
\text{CPU time}=\text{CPU clock cycle}\times\text{Clock cycle time}
\]
CPI (Cycles per instruction)
\[
\text{CPI}=\dfrac{\text{Total Cycles}}{\text{Total instructions}}
\]
CPU time
\[
\text{CPU time}=\text{Instruction count}\times\text{CPI}\times\text{Clock cycle time}
\]