Table 3: Performance of B&B on larger empirical dissimilarity matrices.

Instance Objective function value Number of nodes Time

F31 82221440 (519445.5; 0.164) 2469803824 8:57:03.8
F32 91389180 (570324.1; 0.166) 5040451368 19:44:12.7
F33 100367800 (641239.5; 0.174) 14318454604 55:24:20.0
F34 110065196 (710405.4; 0.180) 33035826208 129:36:50.0
F35 120526370 (784156.4; 0.185) 82986984742 342:56:45.6
M36 489111494 (4068295.6; 0.230) 243227368848 494:51:17.5