Research Article
Solving the Set Packing Problem via a Maximum Weighted Independent Set Heuristic
Table 1
Comparison of each algorithm on instances with 100 and 200 variables.
| Instance | Characteristics | CPLEX | GRASP | ACO | EA/G | DLSWCC | Var | Cnst | Density (%) | M_one | Weight | Opt | TET | Best | Avrg | ATET | Best | Avrg | ATET | Best | Avrg | ATET | Best | Avrg | ATET | Hit |
| pb100rand01 | 100 | 500 | 2.00 | 2 | [1-20] | 372 | 2.92 | 372 | 372 | 1.97 | 372 | 372 | 3.33 | 372 | 372 | 0.38 | 372 | 372 | 0 | 16 | pb100rand02 | 100 | 500 | 2.00 | 2 | [1-1] | 34 | 0.6 | 34 | 34 | 1.31 | 34 | 34 | 2 | 34 | 34 | 0.22 | 34 | 34 | 0 | 16 | pb100rand03 | 100 | 500 | 3.00 | 4 | [1-20] | 203 | 7.81 | 203 | 203 | 1.14 | 203 | 203 | 2 | 203 | 203 | 0.37 | 203 | 203 | 0 | 16 | pb100rand04 | 100 | 500 | 3.00 | 4 | [1-1] | 16 | 52.86 | 16 | 16 | 1.29 | 16 | 15.56 | 0.67 | 16 | 15.69 | 0.18 | 16 | 16 | 0 | 16 | pb100rand05 | 100 | 100 | 2.00 | 2 | [1-20] | 639 | 0.01 | 639 | 639 | 0.8 | 639 | 639 | 1.67 | 639 | 639 | 0.35 | 639 | 639 | 0 | 16 | pb100rand06 | 100 | 100 | 2.00 | 2 | [1-1] | 64 | 0.01 | 64 | 64 | 0.69 | 64 | 64 | 1 | 64 | 64 | 0.14 | 64 | 64 | 0 | 16 | pb100rand07 | 100 | 100 | 2.90 | 4 | [1-20] | 503 | 0 | 503 | 503 | 1 | 503 | 503 | 1 | 503 | 503 | 0.38 | 503 | 503 | 0 | 16 | pb100rand08 | 100 | 100 | 3.10 | 4 | [1-1] | 39 | 0.02 | 39 | 38.75 | 0.57 | 39 | 38.68 | 0.67 | 39 | 38.81 | 0.21 | 39 | 39 | 0 | 16 | pb100rand09 | 100 | 300 | 2.00 | 2 | [1-20] | 463 | 0.49 | 463 | 463 | 1.26 | 463 | 463 | 1.67 | 463 | 463 | 0.38 | 463 | 463 | 0 | 16 | pb100rand10 | 100 | 300 | 2.00 | 2 | [1-1] | 40 | 1.13 | 40 | 40 | 1.28 | 40 | 39.62 | 1 | 40 | 39.88 | 0.24 | 40 | 40 | 0 | 16 | pb100rand11 | 100 | 300 | 3.10 | 4 | [1-20] | 306 | 0.48 | 306 | 306 | 0.68 | 306 | 306 | 1.67 | 306 | 306 | 0.4 | 306 | 306 | 0 | 16 | pb100rand12 | 100 | 300 | 3.00 | 4 | [1-1] | 23 | 6.8 | 23 | 23 | 1.13 | 23 | 22.93 | 0.33 | 23 | 23 | 0.21 | 23 | 23 | 0 | 16 | pb200rand01 | 200 | 1000 | 1.50 | 4 | [1-20] | 416 | 8760.73 | 416 | 415.18 | 7.32 | 416 | 415.25 | 27.33 | 416 | 416 | 1.66 | 416 | 416 | 0.04 | 16 | pb200rand02 | 200 | 1000 | 1.50 | 4 | [1-1] | 32 | 156109.36 | 32 | 32 | 7.35 | 32 | 31.56 | 14.67 | 32 | 32 | 0.76 | 32 | 32 | 0.01 | 16 | pb200rand03 | 200 | 1000 | 1.00 | 2 | [1-20] | 731 | 5403.23 | 726 | 722.81 | 10.81 | 729 | 725.12 | 44.33 | 731 | 727 | 1.85 | 731 | 731 | 0.05 | 16 | pb200rand04 | 200 | 1000 | 1.00 | 2 | [1-1] | 64 | 63970.91 | 63 | 63 | 9.12 | 64 | 62.93 | 24.33 | 63 | 62.75 | 0.92 | 64 | 64 | 0.02 | 16 | pb200rand05 | 200 | 1000 | 2.50 | 8 | [1-20] | 184 | 1211.37 | 184 | 184 | 4.62 | 184 | 182.56 | 16 | 184 | 184 | 1.07 | 184 | 184 | 0.05 | 16 | pb200rand06 | 200 | 1000 | 2.50 | 8 | [1-1] | 14 | 8068.2 | 14 | 13.37 | 3.48 | 14 | 12.87 | 4 | 14 | 13.5 | 0.55 | 14 | 14 | 0.06 | 16 | pb200rand07 | 200 | 200 | 1.50 | 4 | [1-20] | 1004 | 0.02 | 1002 | 1001.12 | 4.2 | 1004 | 1003.5 | 6.33 | 1004 | 1003.94 | 1.61 | 1004 | 1004 | 0.02 | 16 | pb200rand08 | 200 | 200 | 1.50 | 4 | [1-1] | 83 | 0.04 | 83 | 82.87 | 2.71 | 83 | 82.75 | 2.67 | 83 | 82.81 | 0.8 | 83 | 83 | 0 | 16 | pb200rand09 | 200 | 200 | 1.00 | 2 | [1-20] | 1324 | 0.01 | 1324 | 1324 | 3.75 | 1324 | 1324 | 7.33 | 1324 | 1324 | 1.31 | 1324 | 1324 | 0 | 16 | pb200rand10 | 200 | 200 | 1.00 | 2 | [1-1] | 118 | 0.02 | 118 | 118 | 3.64 | 118 | 118 | 4 | 118 | 118 | 0.76 | 118 | 118 | 0 | 16 | pb200rand11 | 200 | 200 | 2.50 | 8 | [1-20] | 545 | 0.33 | 545 | 544.75 | 2.36 | 545 | 545 | 4.33 | 545 | 545 | 1.65 | 545 | 545 | 0.01 | 16 | pb200rand12 | 200 | 200 | 2.60 | 8 | [1-1] | 43 | 1.7 | 43 | 43 | 1.01 | 43 | 43 | 1.33 | 43 | 43 | 0.8 | 43 | 43 | 0 | 16 | pb200rand13 | 200 | 600 | 1.50 | 4 | [1-20] | 571 | 830.39 | 571 | 566.43 | 6.01 | 571 | 568.5 | 20.33 | 571 | 570.75 | 1.74 | 571 | 571 | 0.03 | 16 | pb200rand14 | 200 | 600 | 1.50 | 4 | [1-1] | 45 | 10066.91 | 45 | 45 | 3.92 | 45 | 44.43 | 8.67 | 45 | 44.62 | 0.75 | 45 | 45 | 0.01 | 16 | pb200rand15 | 200 | 600 | 1.00 | 2 | [1-20] | 926 | 12.2 | 926 | 926 | 4.22 | 926 | 926 | 27 | 926 | 926 | 1.72 | 926 | 926 | 0.01 | 16 | pb200rand16 | 200 | 600 | 1.00 | 2 | [1-1] | 79 | 14372.85 | 79 | 78.31 | 6.8 | 79 | 78.37 | 15.33 | 79 | 78.12 | 0.98 | 79 | 79 | 0 | 16 | pb200rand17 | 200 | 600 | 2.50 | 8 | [1-20] | 255 | 741.52 | 255 | 251.31 | 3.61 | 255 | 253.25 | 11 | 255 | 254.19 | 1.22 | 255 | 255 | 0.02 | 16 | pb200rand18 | 200 | 600 | 2.60 | 8 | [1-1] | 19 | 19285.06 | 19 | 18.06 | 2.35 | 19 | 18.12 | 3 | 19 | 18.19 | 0.65 | 19 | 19 | 0.06 | 16 | Avrg | | | | | | 305.17 | 9630.27 | 304.90 | 304.36 | 3.35 | 305.10 | 304.53 | 8.63 | 305.13 | 304.84 | 0.81 | 305.17 | 305.17 | 0.01 | 16.00 |
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