Research Article

An Exact Method for the 2D Guillotine Strip Packing Problem

Table 3

Results of exact algorithms on literature instances.

Name

ht1 16 20 20 20 20 20 20 0.01 0.01
ht2 17 20 20 20 23 20 20 67.45 TL
ht3 16 20 20 20 25 20 20 197.53 353.10
ht4 25 40 15 15 17 15 15 874.05 TL
ht5 25 40 15 15 16 15 15 571.65 TL
ht6 25 40 15 15 15 15 15 0.00 0.01
ht7 28 60 30 30 33 31 33 2045.34 TL
ht8 29 60 30 31 36 32 34 2101.33 TL
ht9 28 60 30 30 30 30 30 0.00 0.00
cgcut1 16 10 23 23 25 23 23 323.54 TL
cgcut2 23 70 63 64 82 67 72 2012.24 TL
cgcut3 62 70 636 637 714 647 676 TL TL
gcut1 10 250 1016 1016 1016 1016 1016 0.00 0.00
gcut2 20 250 1133 1133 1349 1284 1349 TL TL
gcut3 30 250 1803 1803 1810 1810 1810 TL TL
gcut4 50 250 2934 2934 3214 2956 3214 TL TL
ngcut1 10 10 23 21 23 23 23 16.73 2.58
ngcut2 17 10 30 30 31 30 30 1112.61 TL
ngcut3 21 10 28 28 33 29 29 724.31 TL
ngcut4 7 10 20 17 20 20 20 0.10 0.01
ngcut5 14 10 36 36 37 36 36 120.12 0.01
ngcut6 15 10 31 30 36 31 31 1091.33 TL
ngcut7 8 20 20 20 20 20 20 0.00 0.00
ngcut8 13 20 33 32 38 33 33 188.64 TL
ngcut9 18 20 49 49 59 51 53 1531.20 TL
ngcut10 13 30 80 58 80 80 80 970.02 TL
ngcut11 15 30 52 50 60 52 52 55.84 TL
ngcut12 22 30 87 87 96 87 87 21.04 TL
beng1 20 25 30 30 35 30 30 608.41 TL
beng2 40 25 57 58 60 59 60 TL TL
beng3 60 25 84 85 89 88 89 TL TL
beng4 80 25 107 108 112 111 112 TL TL
beng5 100 25 134 134 138 138 138 TL TL
beng6 40 40 36 37 39 38 39 3152.27 TL
beng7 80 40 67 67 72 70 72 TL TL
beng8 120 40 101 101 108 108 108 TL TL
beng9 160 40 126 126 130 130 130 TL TL
beng10 200 40 156 156 158 158 158 TL TL