Research Article
Adaptive Black Hole Algorithm for Solving the Set Covering Problem
Table 7
Computational results for instances set of groups B, C, D, NRE, NRF, and NRG.
| Instance | B.1 | B.2 | B.3 | B.4 | B.5 | C.1 | C.2 | C.3 | C.4 | C.5 |
| | 69 | 76 | 80 | 79 | 72 | 227 | 219 | 243 | 219 | 215 |
| BH-AS | | 69 | 76 | 80 | 79 | 72 | 227 | 219 | 245 | 219 | 215 | | 70 | 77 | 81 | 81 | 73 | 231 | 220 | 246 | 219 | 216 | | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.008 | 0.000 | 0.000 | | 3122.1 | 3183.6 | 3452.0 | 3419.1 | 3501.0 | 3397.9 | 3291.1 | 3229.2 | 3323.1 | 3111.8 |
| BCSO | | 79 | 86 | 85 | 89 | 73 | 242 | 240 | 277 | 250 | 243 | | 79 | 89 | 85 | 89 | 73 | 242 | 241 | 278 | 250 | 244 | | 14.5 | 13.2 | 6.3 | 12.7 | 1.4 | 6.6 | 9.6 | 14 | 12.3 | 13 |
| BFO | | 71 | 78 | 80 | 80 | 72 | 230 | 223 | 253 | 225 | 217 | | 72 | 78 | 80 | 81 | 73 | 232 | 224 | 254 | 227 | 219 | | 2.89 | 2.63 | 0 | 1.26 | 0 | 1.32 | 1.82 | 4.11 | 2.73 | 0.93 |
| BSFLA | | 70 | 76 | 80 | 79 | 72 | 229 | 223 | 253 | 227 | 217 | | 70 | 77 | 80 | 80 | 73 | 231 | 225 | 253 | 228 | 218 | | 1.45 | 0 | 0 | 0 | 0 | 0.88 | 1.83 | 4.12 | 3.65 | 0.93 |
| BELA | | 86 | 88 | 85 | 84 | 78 | 237 | 237 | 271 | 246 | 224 | | 87 | 88 | 87 | 88 | 81 | 238 | 239 | 271 | 248 | 225 | | 24.64 | 15.79 | 6.25 | 6.33 | 8.33 | 4.41 | 8.22 | 11.52 | 12.33 | 4.19 |
| BABC | | 70 | 78 | 80 | 80 | 72 | 231 | 222 | 254 | 231 | 216 | | 70 | 79 | 80 | 81 | 74 | 233 | 223 | 255 | 233 | 217 | | 1.45 | 2.63 | 0 | 1.27 | 0 | 1.76 | 1.37 | 4.53 | 5.48 | 0.47 |
| MIP | | – | – | – | – | – | – | – | – | – | – | | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. |
| Instance | D.1 | D.2 | D.3 | D.4 | D.5 | NRE.1 | NRE.2 | NRE.3 | NRE.4 | NRE.5 |
| | 60 | 66 | 72 | 62 | 61 | 29 | 30 | 27 | 28 | 28 |
| BH-AS | | 60 | 67 | 73 | 62 | 61 | 29 | 31 | 28 | 29 | 28 | | 60 | 67 | 73 | 62 | 61 | 29 | 31 | 28 | 28 | 28 | | 0.000 | 0.015 | 0.014 | 0.000 | 0.000 | 0.000 | 0.033 | 0.037 | 0.000 | 0.000 | | 6021.0 | 6094.1 | 6147.7 | 6511.6 | 6712.2 | 6200.0 | 6115.1 | 5991.9 | 7081.0 | 7191.1 |
| BCSO | | 65 | 70 | 79 | 64 | 65 | 29 | 34 | 31 | 32 | 30 | | 66 | 70 | 81 | 67 | 66 | 30 | 34 | 32 | 33 | 30 | | 8.3 | 6.1 | 9.7 | 3.2 | 6.6 | 0 | 13.3 | 14.8 | 14.3 | 7.1 |
| BFO | | 60 | 68 | 75 | 62 | 63 | 29 | 32 | 29 | 29 | 29 | | 61 | 68 | 77 | 62 | 63 | 31 | 32 | 30 | 31 | 29 | | 0 | 3.03 | 4.16 | 0 | 3.27 | 0 | 6.66 | 7.4 | 3.57 | 3.57 |
| BSFLA | | 60 | 67 | 75 | 63 | 63 | 29 | 31 | 28 | 29 | 28 | | 62 | 68 | 77 | 65 | 66 | 29 | 32 | 28 | 30 | 31 | | 0 | 1.52 | 4.17 | 1.61 | 3.28 | 0 | 3.33 | 3.7 | 3.57 | 0 |
| BELA | | 62 | 73 | 79 | 67 | 66 | 30 | 35 | 34 | 33 | 30 | | 62 | 74 | 81 | 69 | 67 | 31 | 35 | 34 | 34 | 31 | | 3.33 | 10.61 | 9.72 | 8.06 | 8.20 | 3.45 | 16.67 | 25.93 | 17.86 | 7.14 |
| BABC | | 60 | 68 | 76 | 63 | 63 | 29 | 32 | 29 | 29 | 29 | | 61 | 68 | 77 | 65 | 66 | 33 | 32 | 31 | 30 | 32 | | 0 | 3.03 | 5.56 | 1.61 | 3.28 | 0 | 6.67 | 7.41 | 3.57 | 3.57 |
| MIP | | – | – | – | – | – | – | – | – | – | – | | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. |
| Instance | NRF.1 | NRF.2 | NRF.3 | NRF.4 | NRF.5 | NRG.1 | NRG.2 | NRG.3 | NRG.4 | NRG.5 |
| | 14 | 15 | 14 | 14 | 13 | 176 | 154 | 166 | 168 | 168 |
| BH-AS | | 14 | 15 | 16 | 14 | 14 | 179 | 158 | 169 | 170 | 168 | | 15 | 16 | 16 | 16 | 15 | 181 | 160 | 169 | 171 | 169 | | 0.000 | 0.000 | 0.143 | 0.000 | 0.077 | 0.017 | 0.026 | 0.018 | 0.012 | 0.000 | | 7118.5 | 8212.1 | 9293.8 | 8023.3 | 7220.2 | 7494.4 | 8584.5 | 9874.0 | 8919.2 | 9921.2 |
| BCSO | | 17 | 18 | 17 | 17 | 15 | 190 | 165 | 187 | 179 | 181 | | 17 | 18 | 17 | 17 | 16 | 193 | 166 | 188 | 183 | 184 | | 21.4 | 20 | 21.4 | 21.4 | 15.4 | 8 | 7.1 | 20.6 | 6.5 | 7.7 |
| BFO | | 15 | 16 | 16 | 15 | 15 | 185 | 161 | 175 | 176 | 177 | | 17 | 16 | 17 | 18 | 19 | 191 | 163 | 177 | 176 | 181 | | 7.14 | 6.66 | 14.28 | 7.14 | 15.38 | 5.11 | 4.54 | 5.42 | 4.76 | 5.35 |
| BSFLA | | 15 | 15 | 16 | 15 | 15 | 182 | 161 | 173 | 173 | 174 | | 15 | 15 | 17 | 16 | 17 | 183 | 161 | 174 | 177 | 174 | | 7.14 | 0 | 14.29 | 7.14 | 15.38 | 3.41 | 4.55 | 4.22 | 2.98 | 3.57 |
| BELA | | 17 | 18 | 17 | 17 | 16 | 194 | 176 | 184 | 196 | 198 | | 17 | 18 | 18 | 19 | 17 | 196 | 176 | 185 | 197 | 199 | | 21.43 | 20 | 21.43 | 21.43 | 23.08 | 10.23 | 14.29 | 10.84 | 16.67 | 17.86 |
| BABC | | 14 | 16 | 16 | 15 | 15 | 183 | 162 | 174 | 175 | 179 | | 15 | 16 | 17 | 17 | 16 | 184 | 163 | 175 | 177 | 181 | | 0 | 6.67 | 14.29 | 7.14 | 15.38 | 3.98 | 5.19 | 4.82 | 4.17 | 6.55 |
| MIP | | – | – | – | – | – | – | – | – | – | – | | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. | t.o. |
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