 & \multicolumn{3}{c}{Used GPU memory [MB]} &  \multicolumn{4}{c}{Render time} & \multicolumn{3}{c}{PSNR [dB]}
\\
\textbf{Scene} & \textbf{PT} & \textbf{Raster} & \textbf{LF} & \textbf{PT} & \textbf{PT 1s} & \textbf{Raster} & \textbf{LF} & \textbf{PT 1s} & \textbf{Raster}  & \textbf{LF}  \\ \hline
Cornell & 1698 & 811 &  \multirow{4}*{1200} & 172.01s & 2.73s & 0.20s & \multirow{4}*{0.0512s} & 28.40 & 11.66 & 43.67 \\
Bonfire & 2230 & 1084 &  & 163.97s & 4.62s & 0.55s &  & 35.05 & 17.11 & 38.40 \\
Low & 2398 & 1736 &  & 45.41s & 3.07s & 2.48s &  & 34.76 & 21.55 & 38.76 \\
Simple & 2298 & 1159 &  & 12.27s & 3.01s & 2.27s &  & 41.20 & 31.48 & 39.28 