\begin{table}
\begin{center}
  \caption{Abbreviation of the simulated core designs and CPU areas}
  \label{tab:auto-tun-sim-core-abbr}
  \begin{tabular}{|l|c|c|c|c|c|c|} 
	\hline
	\monocol{|c|}{\multirow{2}{*}{Abbrev.}} 
	& \multirow{2}{*}{Width} 
	& \multirow{2}{*}{Type} 
	& \multirow{2}{*}{VPUs} 
	& \multicolumn{3}{c|}{Area (\SI{}{\square\milli\meter})}  \\ \cline{5-7}
    & & & & Core & L2 & Total \\ \hline \hline
    SI-I1 & 1 & IO  & 1 & 0.45 & 1.52 & 1.97 \\ \hline
	 TI-I1 & 3 & IO  & 1 & 1.81 & 5.88 & 7.70 \\ \hline
 TI-I2 & 3 & IO  & 2 & 2.89 & 5.88 & 8.78 \\ \hline
    DI-I1 & 2 & IO  & 1 & 1.00 & 3.19 & 4.19 \\  \hline
	TI-I3 & 3 & IO  & 3 & 3.98 & 5.88 & 9.86 \\ \hline
    DI-I2 & 2 & IO  & 2 & 1.48 & 3.19 & 4.67 \\ \hline
 TI-O1 & 3 & OOO & 1 & 2.08 & 5.88 & 7.97 \\ \hline
    DI-O1 & 2 & OOO & 1 & 1.15 & 3.19 & 4.34 \\ \hline
 TI-O2 & 3 & OOO & 2 & 3.21 & 5.88 & 9.10 \\ \hline
    DI-O2 & 2 & OOO & 2 & 1.67 & 3.19 & 4.86 \\ \hline
 TI-O3 & 3 & OOO & 3 & 4.35 & 5.88 & 10.2 \\ \hline
  \end{tabular}
\end{center}
\end{table}