Research Article
Multiobjective Parallel Algorithms for Solving Biobjective Open Shop Scheduling Problem
Table 18
Simulation results of the proposed algorithm and comparable algorithms for the Taillard [
38] benchmarks.
| Benchmarks | Optimal solution | SA | GA | Hybrid GA | Hybrid GA | GA | EGA_OS | ACS | CS | CSO | BA_OS | MOPSA | MOPGA |
| 4 × 4 − 1 | 193 | 193 | 193 | 213 | 193 | 193 | 193 | 193 | 193 | 193 | 193 | 193 | 193 | 4 × 4 − 2 | 236 | 236 | 236 | 240 | 236 | 239 | 239 | 236 | 236 | 236 | 236 | 236 | 236 | 4 × 4 − 3 | 271 | 271 | 271 | 293 | 271 | 271 | 271 | 271 | 271 | 271 | 271 | 271 | 271 | 4 × 4–4 | 250 | 250 | 250 | 253 | 250 | 250 | 250 | 250 | 252 | 250 | 250 | 250 | 250 | 4 × 4 − 5 | 295 | 295 | 295 | 303 | 295 | 295 | 295 | 295 | 295 | 295 | 295 | 295 | 295 | 4 × 4 − 6 | 189 | 189 | 189 | 209 | 189 | 189 | 189 | 189 | 189 | 189 | 189 | 189 | 189 | 4 × 4 − 7 | 201 | 201 | 201 | 203 | 201 | 201 | 201 | 201 | 201 | 201 | 201 | 201 | 201 | 4 × 4 − 8 | 217 | 217 | 217 | 224 | 217 | 217 | 217 | 217 | 217 | 217 | 217 | 217 | 217 | 4 × 4 − 9 | 261 | 261 | 261 | 281 | 261 | 261 | 261 | 261 | 261 | 261 | 261 | 261 | 261 | 4 × 4 − 10 | 217 | 217 | 217 | 230 | 217 | 217 | 217 | 217 | 217 | 217 | 217 | 217 | 217 |
| 5 × 5 − 1 | 300 | 300 | 301 | 323 | 300 | 301 | 300 | 301 | 301 | 300 | 300 | 300 | 300 | 5 × 5 − 2 | 262 | 262 | 262 | 269 | 262 | 263 | 262 | 262 | 262 | 262 | 262 | 262 | 262 | 5 × 5 − 3 | 323 | 323 | 331 | 353 | 323 | 335 | 323 | 331 | 335 | 323 | 323 | 323 | 323 | 5 × 5 − 4 | 310 | 310 | N/A | N/A | 310 | 316 | 310 | 315 | 314 | 310 | 310 | 310 | 310 | 5 × 5 − 5 | 326 | 326 | N/A | N/A | 326 | 330 | 326 | 331 | 329 | 326 | 326 | 326 | 326 | 5 × 5 − 6 | 312 | 312 | 312 | 327 | 312 | 312 | 312 | 317 | 318 | 312 | 312 | 312 | 312 | 5 × 5 − 7 | 303 | 303 | N/A | N/A | 303 | 308 | 303 | 308 | 305 | 303 | 303 | 303 | 303 | 5 × 5 − 8 | 300 | 300 | N/A | N/A | 300 | 304 | 300 | 304 | 303 | 300 | 300 | 300 | 300 | 5 × 5 − 9 | 353 | 353 | 353 | 373 | 353 | 358 | 353 | 358 | 358 | 353 | 353 | 353 | 353 | 5 × 5 − 10 | 326 | 326 | 326 | 341 | 326 | 328 | 326 | 329 | 329 | 326 | 326 | 326 | 326 |
| 7 × 7 − 1 | 435 | 435 | 438 | 447 | 435 | 436 | 435 | 435 | 436 | 435 | 435 | 435 | 435 | 7 × 7 − 2 | 443 | 443 | 455 | 454 | 443 | 447 | 443 | 445 | 447 | 443 | 443 | 443 | 443 | 7 × 7 − 3 | 468 | 468 | N/A | N/A | 468 | 472 | 468 | 479 | 472 | 468 | 468 | 468 | 468 | 7 × 7 − 4 | 463 | 463 | N/A | N/A | 463 | 463 | 463 | 467 | 466 | 463 | 463 | 463 | 463 | 7 × 7 − 5 | 416 | 416 | N/A | N/A | 416 | 417 | 416 | 419 | 416 | 416 | 416 | 416 | 416 | 7 × 7 − 6 | 451 | 451 | N/A | N/A | 451 | 455 | 451 | 460 | 454 | 452 | 451 | 452 | 451 | 7 × 7 − 7 | 422 | 422 | 443 | 450 | 422 | 426 | 422 | 435 | 425 | 422 | 422 | 422 | 422 | 7 × 7 − 8 | 424 | 424 | N/A | N/A | 424 | 424 | 424 | 424 | 424 | 426 | 424 | 424 | 424 | 7 × 7 − 9 | 458 | 458 | 465 | 467 | 458 | 458 | 458 | 458 | 458 | 458 | 458 | 459 | 458 | 7 × 7 − 10 | 398 | 398 | 405 | 406 | 398 | 398 | 398 | 398 | 399 | 398 | 398 | 399 | 398 |
| 10 × 10 − 1 | 637 | 637 | 667 | 655 | 637 | 637 | 637 | 638 | 639 | 645 | 637 | 641 | 637 | 10 × 10 − 2 | 588 | 588 | N/A | N/A | 588 | 588 | 588 | 588 | 688 | 588 | 588 | 588 | 588 | 10 × 10 − 3 | 598 | 598 | N/A | N/A | 598 | 598 | 598 | 599 | 600 | 599 | 598 | 598 | 598 | 10 × 10 − 4 | 577 | 577 | 586 | 581 | 577 | 577 | 577 | 577 | 577 | 577 | 577 | 577 | 577 | 10 × 10 − 5 | 640 | 640 | N/A | N/A | 640 | 640 | 640 | 640 | 640 | 640 | 640 | 640 | 640 | 10 × 10 − 6 | 538 | 538 | 555 | 541 | 538 | 538 | 538 | 538 | 538 | 538 | 538 | 538 | 538 | 10 × 10 − 7 | 616 | 616 | N/A | N/A | 616 | 616 | 616 | 616 | 616 | 616 | 616 | 616 | 616 | 10 × 10 − 8 | 595 | 595 | N/A | N/A | 595 | 595 | 595 | 595 | 595 | 595 | 595 | 595 | 595 | 10 × 10 − 9 | 595 | 595 | 627 | 598 | 595 | 595 | 595 | 595 | 595 | 595 | 595 | 595 | 595 | 10 × 10 − 10 | 596 | 596 | 623 | 605 | 596 | 596 | 596 | 596 | 596 | 596 | 596 | 596 | 596 |
| 15 × 15 − 1 | 937 | 937 | 967 | 937 | 937 | 937 | 937 | 937 | 937 | 937 | 937 | 937 | 937 | 15 × 15 − 2 | 918 | 918 | N/A | N/A | 918 | 918 | 918 | 918 | 918 | 918 | 918 | 919 | 918 | 15 × 15 − 3 | 871 | 871 | 904 | 871 | 871 | 871 | 871 | 871 | 871 | 871 | 871 | 871 | 871 | 15 × 15 − 4 | 934 | 934 | 969 | 934 | 934 | 934 | 934 | 934 | 934 | 934 | 934 | 934 | 934 | 15 × 15 − 5 | 946 | 946 | N/A | N/A | 946 | 946 | 946 | 946 | 946 | 946 | 946 | 948 | 946 | 15 × 15 − 6 | 933 | 933 | N/A | N/A | 933 | 933 | 933 | 933 | 933 | 933 | 933 | 933 | 933 | 15 × 15 − 7 | 891 | 891 | N/A | N/A | 891 | 891 | 891 | 891 | 891 | 891 | 891 | 891 | 891 | 15 × 15 − 8 | 893 | 893 | 928 | 893 | 893 | 893 | 893 | 893 | 893 | 893 | 893 | 893 | 893 | 15 × 15 − 9 | 899 | 899 | N/A | N/A | 899 | 899 | 899 | 899 | 902 | 902 | 899 | 913 | 899 | 15 × 15 − 10 | 902 | 902 | N/A | N/A | 902 | 902 | 902 | 902 | 902 | 902 | 902 | 902 | 902 |
| 20 × 20 − 1 | 1155 | 1155 | 1230 | 1165 | 1155 | 1155 | 1155 | 1155 | 1155 | 1155 | 1155 | 1166 | 1155 | 20 × 20 − 2 | 1241 | 1241 | N/A | N/A | 1241 | 1241 | 1242 | 1241 | 1242 | 1243 | 1241 | 1260 | 1241 | 20 × 20 − 3 | 1257 | 1282 | 1292 | 1257 | 1257 | 1257 | 1257 | 1257 | 1257 | 1257 | 1257 | 1257 | 1259 | 20 × 20 − 4 | 1248 | 1274 | N/A | N/A | 1248 | 1248 | 1248 | 1248 | 1248 | 1248 | 1248 | 1253 | 1248 | 20 × 20 − 5 | 1256 | 1289 | 1315 | 1256 | 1256 | 1256 | 1256 | 1256 | 1256 | 1256 | 1256 | 1256 | 1256 | 20 × 20 − 6 | 1204 | 1204 | 1266 | 1207 | 1204 | 1204 | 1204 | 1204 | 1204 | 1204 | 1204 | 1204 | 1204 | 20 × 20 − 7 | 1294 | 1294 | N/A | N/A | 1294 | 1294 | 1294 | 1294 | 1295 | 1294 | 1294 | 1310 | 1294 | 20 × 20 − 8 | 1169 | 1169 | N/A | N/A | 1173 | 1171 | 1173 | 1170 | 1176 | 1175 | 1170 | 1173 | 1176 | 20 × 20 − 9 | 1289 | 1307 | 1339 | 1289 | 1289 | 1289 | 1289 | 1289 | 1289 | 1289 | 1289 | 1289 | 1289 | 20 × 20 − 10 | 1241 | N/A | 1307 | 1241 | 1241 | 1241 | 1241 | N/A | 1241 | 1241 | 1241 | 1241 | 1241 |
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