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.

BenchmarksOptimal solutionSAGAHybrid GAHybrid GAGAEGA_OSACSCSCSOBA_OSMOPSAMOPGA

4 × 4 − 1193193193213193193193193193193193193193
4 × 4 − 2236236236240236239239236236236236236236
4 × 4 − 3271271271293271271271271271271271271271
4 × 4–4250250250253250250250250252250250250250
4 × 4 − 5295295295303295295295295295295295295295
4 × 4 − 6189189189209189189189189189189189189189
4 × 4 − 7201201201203201201201201201201201201201
4 × 4 − 8217217217224217217217217217217217217217
4 × 4 − 9261261261281261261261261261261261261261
4 × 4 − 10217217217230217217217217217217217217217

5 × 5 − 1300300301323300301300301301300300300300
5 × 5 − 2262262262269262263262262262262262262262
5 × 5 − 3323323331353323335323331335323323323323
5 × 5 − 4310310N/AN/A310316310315314310310310310
5 × 5 − 5326326N/AN/A326330326331329326326326326
5 × 5 − 6312312312327312312312317318312312312312
5 × 5 − 7303303N/AN/A303308303308305303303303303
5 × 5 − 8300300N/AN/A300304300304303300300300300
5 × 5 − 9353353353373353358353358358353353353353
5 × 5 − 10326326326341326328326329329326326326326

7 × 7 − 1435435438447435436435435436435435435435
7 × 7 − 2443443455454443447443445447443443443443
7 × 7 − 3468468N/AN/A468472468479472468468468468
7 × 7 − 4463463N/AN/A463463463467466463463463463
7 × 7 − 5416416N/AN/A416417416419416416416416416
7 × 7 − 6451451N/AN/A451455451460454452451452451
7 × 7 − 7422422443450422426422435425422422422422
7 × 7 − 8424424N/AN/A424424424424424426424424424
7 × 7 − 9458458465467458458458458458458458459458
7 × 7 − 10398398405406398398398398399398398399398

10 × 10 − 1637637667655637637637638639645637641637
10 × 10 − 2588588N/AN/A588588588588688588588588588
10 × 10 − 3598598N/AN/A598598598599600599598598598
10 × 10 − 4577577586581577577577577577577577577577
10 × 10 − 5640640N/AN/A640640640640640640640640640
10 × 10 − 6538538555541538538538538538538538538538
10 × 10 − 7616616N/AN/A616616616616616616616616616
10 × 10 − 8595595N/AN/A595595595595595595595595595
10 × 10 − 9595595627598595595595595595595595595595
10 × 10 − 10596596623605596596596596596596596596596

15 × 15 − 1937937967937937937937937937937937937937
15 × 15 − 2918918N/AN/A918918918918918918918919918
15 × 15 − 3871871904871871871871871871871871871871
15 × 15 − 4934934969934934934934934934934934934934
15 × 15 − 5946946N/AN/A946946946946946946946948946
15 × 15 − 6933933N/AN/A933933933933933933933933933
15 × 15 − 7891891N/AN/A891891891891891891891891891
15 × 15 − 8893893928893893893893893893893893893893
15 × 15 − 9899899N/AN/A899899899899902902899913899
15 × 15 − 10902902N/AN/A902902902902902902902902902

20 × 20 − 11155115512301165115511551155115511551155115511661155
20 × 20 − 212411241N/AN/A124112411242124112421243124112601241
20 × 20 − 31257128212921257125712571257125712571257125712571259
20 × 20 − 412481274N/AN/A124812481248124812481248124812531248
20 × 20 − 51256128913151256125612561256125612561256125612561256
20 × 20 − 61204120412661207120412041204120412041204120412041204
20 × 20 − 712941294N/AN/A129412941294129412951294129413101294
20 × 20 − 811691169N/AN/A117311711173117011761175117011731176
20 × 20 − 91289130713391289128912891289128912891289128912891289
20 × 20 − 101241N/A13071241124112411241N/A12411241124112411241