\begin{tabular}{|cc|cc|cc|cc|} \hline
\multicolumn{2}{|c||}{Dim \& Density} & \multicolumn{2}{|c|}{$\kappa$ condition \#} & \multicolumn{2}{|c|}{PCG Iterations} &\multicolumn{2}{|c|}{PCG CPU}\cr\cline{1-2}\cline{2-8}
  $n$ & density &     A & $D^{1/2}AD^{1/2}$ &     A & $D^{1/2}AD^{1/2}$ &    A & $D^{1/2}AD^{1/2}$ \cr\hline
 1000 & 1.9e-03 &2.5e+09 & 1.6e+09 & 180178 & 152582 & 1.33 & 1.24 \cr\hline
 1300 & 1.5e-03 &3.2e+09 & 1.0e+09 & 230315 & 134756 & 2.19 & 1.42 \cr\hline
 1600 & 1.2e-03 &4.0e+09 & 2.7e+09 & 274483 & 242196 & 3.30 & 3.10 \cr\hline
 1900 & 1.0e-03 &4.7e+09 & 1.0e+09 & 320968 & 156769 & 4.59 & 2.37 \cr\hline
 2200 & 8.7e-04 &5.5e+09 & 1.6e+09 & 358721 & 206184 & 5.91 & 3.59 \cr\hline
 2500 & 7.7e-04 &6.3e+09 & 2.4e+09 & 400460 & 257771 & 7.28 & 5.01 \cr\hline
 2800 & 6.8e-04 &7.0e+09 & 5.8e+09 & 428318 & 391543 & 8.86 & 8.51 \cr\hline
 3100 & 6.2e-04 &7.8e+09 & 2.6e+09 & 463490 & 273294 & 10.56 & 6.56 \cr\hline
 3400 & 5.6e-04 &8.5e+09 & 3.0e+09 & 493529 & 296013 & 12.52 & 7.92 \cr\hline
 3700 & 5.2e-04 &9.3e+09 & 5.1e+09 & 526851 & 397509 & 14.66 & 11.60 \cr\hline
 4000 & 4.8e-04 &1.0e+10 & 4.1e+09 & 552169 & 361977 & 16.77 & 11.49 \cr\hline
 4300 & 4.4e-04 &1.1e+10 & 4.7e+09 & 582535 & 393356 & 19.21 & 13.56 \cr\hline
 4600 & 4.2e-04 &1.2e+10 & 6.1e+09 & 603376 & 449391 & 21.47 & 16.76 \cr\hline
 4900 & 3.9e-04 &1.2e+10 & 1.2e+10 & 643577 & 643577 & 24.27 & 25.37 \cr\hline
 5200 & 3.7e-04 &1.3e+10 & 6.4e+09 & 659469 & 469358 & 26.72 & 19.91 \cr\hline
 5500 & 3.5e-04 &1.4e+10 & 7.7e+09 & 684824 & 517202 & 29.43 & 23.26 \cr\hline
 5800 & 3.3e-04 &1.5e+10 & 7.7e+09 & 717033 & 523850 & 32.45 & 24.88 \cr\hline
 6100 & 3.1e-04 &1.5e+10 & 8.3e+09 & 733571 & 553378 & 34.93 & 27.69 \cr\hline
 6400 & 3.0e-04 &1.6e+10 & 9.0e+09 & 758107 & 579864 & 37.95 & 30.51 \cr\hline
 6700 & 2.9e-04 &1.7e+10 & 9.6e+09 & 779761 & 592643 & 40.56 & 32.51 \cr\hline
 7000 & 2.7e-04 &1.8e+10 & 1.0e+10 & 795966 & 629263 & 43.34 & 36.16 \cr\hline
 7300 & 2.6e-04 &1.8e+10 & 1.8e+10 & 830346 & 828422 & 47.01 & 49.64 \cr\hline
 7600 & 2.5e-04 &1.9e+10 & 1.2e+10 & 846830 & 670583 & 49.83 & 41.73 \cr\hline
 7900 & 2.4e-04 &2.0e+10 & 1.3e+10 & 864006 & 699636 & 53.01 & 45.62 \cr\hline
 8200 & 2.3e-04 &2.1e+10 & 1.3e+10 & 887065 & 718809 & 56.55 & 48.40 \cr\hline
 8500 & 2.2e-04 &2.1e+10 & 1.4e+10 & 895498 & 724188 & 58.85 & 50.56 \cr\hline
 8800 & 2.2e-04 &2.2e+10 & 1.4e+10 & 908428 & 749730 & 61.86 & 54.41 \cr\hline
 9100 & 2.1e-04 &2.3e+10 & 1.5e+10 & 938959 & 769789 & 66.03 & 57.60 \cr\hline
 9400 & 2.0e-04 &2.3e+10 & 2.0e+10 & 958843 & 899589 & 69.70 & 69.48 \cr\hline
 9700 & 2.0e-04 &2.4e+10 & 2.4e+10 & 976855 & 976855 & 73.30 & 77.87 \cr\hline
10000 & 1.9e-04 &2.5e+10 & 1.7e+10 & 989326 & 816544 & 76.41 & 67.23 \cr\hline
\end{tabular}
