Table 4
Comparison of results obtained by the VNS algorithm and CPLEX in small scale instances"
算例 | CPLEX | | VNS |
/辆 | | tCPLEX/s | | tVNS/s | /% |
R8-0 | 2 | 438 | 1.60 | | 438 | 1.70 | 0.00 |
R8-1 | 2 | 434 | 1.50 | | 434 | 1.20 | 0.00 |
R8-2 | 2 | 382 | 0.80 | | 382 | 1.70 | 0.00 |
R8-3 | 2 | 519 | 0.90 | | 519 | 0.90 | 0.00 |
R8-4 | 2 | 396 | 0.70 | | 401 | 1.30 | 1.30 |
C8-0 | 1 | 209 | 2.40 | | 209 | 0.80 | 0.00 |
C8-1 | 1 | 117 | 0.80 | | 117 | 0.90 | 0.00 |
C8-2 | 1 | 196 | 0.70 | | 196 | 0.80 | 0.00 |
C8-3 | 1 | 132 | 0.60 | | 132 | 0.70 | 0.00 |
C8-4 | 2 | 276 | 1.30 | | 276 | 1.50 | 0.00 |
RC8-0 | 2 | 300 | 1.70 | | 300 | 0.10 | 0.00 |
RC8-1 | 2 | 334 | 0.90 | | 334 | 0.40 | 0.00 |
RC8-2 | 2 | 432 | 2.10 | | 432 | 0.40 | 0.00 |
RC8-3 | 2 | 287 | 0.50 | | 287 | 0.60 | 0.00 |
RC8-4 | 2 | 360 | 0.70 | | 360 | 0.10 | 0.00 |
R10-0 | 2 | 409 | 1.30 | | 409 | 2.50 | 0.00 |
R10-1 | 2 | 589 | 1.40 | | 589 | 1.50 | 0.00 |
R10-2 | 3 | 539 | 1.20 | | 539 | 1.30 | 0.00 |
R10-3 | 2 | 551 | 1.80 | | 551 | 2.10 | 0.00 |
R10-4 | 2 | 544 | 2.30 | | 544 | 1.50 | 0.00 |
C10-0 | 1 | 128 | 1.50 | | 128 | 1.00 | 0.00 |
C10-1 | 1 | 156 | 1.40 | | 156 | 0.90 | 0.00 |
C10-2 | 1 | 201 | 1.30 | | 201 | 1.00 | 0.00 |
C10-3 | 1 | 220 | 2.70 | | 220 | 1.40 | 0.00 |
C10-4 | 1 | 243 | 1.00 | | 243 | 1.50 | 0.00 |
RC10-0 | 2 | 396 | 4.20 | | 396 | 2.10 | 0.00 |
RC10-1 | 2 | 395 | 1.60 | | 395 | 1.90 | 0.00 |
RC10-2 | 2 | 347 | 2.60 | | 347 | 2.20 | 0.00 |
RC10-3 | 2 | 429 | 2.90 | | 429 | 1.80 | 0.00 |
RC10-4 | 3 | 484 | 210.40 | | 484 | 1.70 | 0.00 |
R12-0 | 2 | 533 | 2.70 | | 533 | 1.00 | 0.00 |
R12-1 | 2 | 590 | 2.10 | | 590 | 1.10 | 0.00 |
R12-2 | 3 | 748 | 156.61 | | 748 | 2.20 | 0.00 |
R12-3 | 2 | 522 | 0.60 | | 522 | 0.80 | 0.00 |
R12-4 | 3 | 687 | 133.35 | | 687 | 1.40 | 0.00 |
C12-0 | 1 | 229 | 4.40 | | 229 | 2.20 | 0.00 |
C12-1 | 2 | 278 | 3.50 | | 278 | 3.00 | 0.00 |
C12-2 | 1 | 244 | 1.80 | | 244 | 4.70 | 0.00 |
C12-3 | 2 | 194 | 2.00 | | 198 | 2.00 | 2.10 |
C12-4 | 2 | 252 | 1.50 | | 252 | 1.10 | 0.00 |
RC12-0 | 2 | 420 | 3.30 | | 420 | 0.70 | 0.00 |
RC12-1 | 3 | 494 | 4.90 | | 494 | 2.30 | 0.00 |
RC12-2 | 2 | 383 | 2.40 | | 383 | 4.80 | 0.00 |
RC12-3 | 3 | 445 | 2.30 | | 445 | 2.10 | 0.00 |
RC12-4 | 2 | 580 | 293.40 | | 580 | 2.80 | 0.00 |
平均 | | | 19.33 | | | 1.50 | 0.08 |