\begin{tabular}{lll}
\toprule
Configuration & Speedup & Cache Hitrate \\
\midrule
DDR-SDRAM (Baseline) & x1.00 &  \textemdash  \\
HBM (Upper Limit) & x1.41 &  \textemdash  \\
Prefetching & x0.82 & 89.38 \% \\
Prefetching, Distributed Columns & x1.23 & 93.20 \% \\
\bottomrule
\end{tabular}