Table 5-2 Multistep Floorplanning Results [151]. TCG-based 2-D Array Benchmark ami33 ami49 n100 n200 n300 Avg. CBA Vias 106 191 704 1487 1613 1.03 Multistep Floorplanning Vias 111 203 752 1361 1568 1.02 Area 3.52Eþ05 1.49Eþ07 53295 51714 74712 1.00 Wirelength 23139 453083 97066 198885 232074 1.17 Area 3.44Eþ05 1.27Eþ07 51736 50055 75294 0.96 Wirelength 23475 465053 90143 175866 230175 1.14 Area 4.16Eþ05 1.42Eþ07 54648 55944 79278 1.00 Wirelength 21580 420636 74176 142196 213538 1.00 Vias 108 198 733 1358 1534 1.00 5.1 Floorplanning Techniques 85