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Table 2 Comparing the performance of the SLENP with that of TSSA

From: A synergetic combination of small and large neighborhood schemes in developing an effective procedure for solving the job shop scheduling problem

    

SLENP

TSSA

Instance

Size

LB

BKS

Best

%DEV best

T best

Avg

Tavg(s)

Best

%DEV best

Avg

T avg

ft06

6 × 6

55

55

55

0.000

0

55

0.005

–

–

–

–

ft10

10 × 10

930

930

930

0.000

0.455

930

9.224

930

0.000

930

3.8

ft20

20 × 5

1165

1165

1165

0.000

0.48

1165

2.727

–

–

–

–

la19

10 × 10

842

842

842

0.000

0.13

842

0.776

842

0.000

842

0.5

la21

15 × 10

1046

1046

1046

0.000

5.3

1046.7

15.216

1046

0.000

1046

15.2

la24

15 × 10

935

935

935

0.000

10.29

936.5

20.360

935

0.000

936.2

19.8

la25

20 × 10

977

977

977

0.000

6.2

977

13.699

977

0.000

977.1

13.8

la27

20 × 10

1235

1235

1235

0.000

9.08

1235

31.980

1235

0.000

1235

11.7

la29

20 × 10

1152

1152

1162

0.868

86.64

1163.5

40.024

1153

0.087

1159.2

63.9

la36

15 × 15

1268

1268

1268

0.000

3.4

1268.3

12.937

1268

0.000

1268

9.9

la37

15 × 15

1397

1397

1397

0.000

1.97

1397

9.181

1397

0.000

1402.5

42.1

la38

15 × 15

1196

1196

1196

0.000

4.35

1198.6

14.836

1196

0.000

1199.6

47.8

la39

15 × 15

1233

1233

1233

0.000

1.31

1233.6

19.099

1233

0.000

1233.8

28.6

la40

15 × 15

1222

1222

1224

0.164

6.57

1226.6

15.926

1224

0.164

1224.5

52.1

abz5

10 × 10

1234

1234

1234

0.000

0.58

1234

3.545

–

–

–

–

abz6

10 × 10

943

943

943

0.000

0.12

943

0.151

–

–

–

–

abz7

20 × 15

656

656

662

0.915

39.04

664

64.822

658

0.305

661.8

85.9

abz8

20 × 15

645

665

668

0.451

106.52

672.4

55.935

667

0.301

670.3

90.7

abz9

20 × 15

661

678

688

1.475

98.7

689.5

35.820

678

0.000

684.8

90.2

orb01

10×10

1059

1059

1059

0.000

0.7

1059.6

5.961

1059

0.000

1059

3.5

orb02

10×10

888

888

888

0.000

0.14

888

0.475

888

0.000

888.1

6.4

orb03

10×10

1005

1005

1005

0.000

0.365

1005

7.415

1005

0.000

1012.5

13.8

orb04

10×10

1005

1005

1005

0.000

0.155

1006.2

7.580

1005

0.000

1008.3

14.3

orb05

10×10

887

887

887

0.000

1.23

887

12.093

887

0.000

888.6

6.6

orb06

10×10

1010

1010

1010

0.000

0.23

1010.9

9.165

1010

0.000

1010

8.5

orb07

10×10

397

397

397

0.000

0.14

397

0.284

397

0.000

397

0.5

orb08

10×10

899

899

899

0.000

2.26

899

6.020

899

0.000

902.5

7.2

orb09

10×10

934

934

934

0.000

0.18

934

0.509

934

0.000

934

0.4

orb10

10×10

944

944

944

0.000

0.15

944

0.176

944

0.000

944

0.3

yn1

20×20

826

884

892

0.905

66.63

897.7

40.040

884

0.000

891.3

106.3

yn2

20×20

861

907

911

0.441

1.78

913.4

62.312

907

0.000

911.2

110.4

yn3

20×20

827

892

900

0.897

59.85

903.1

42.178

892

0.000

895.5

110.8

yn4

20×20

918

968

982

1.446

49.81

986.8

56.047

969

0.103

972.6

108.7

swv01

20×10

1407

1407

1437

2.132

115.33

1458.5

60.642

1412

0.355

1423.7

142.1

swv02

20×10

1475

1475

1505

2.034

92.27

1520

64.431

1475

0.000

1480.3

119.7

swv03

20×10

1369

1398

1426

2.003

82.68

1434

48.665

1398

0.000

1417.5

139.1

swv04

20×10

1450

1470

1511

2.789

66.47

1517.8

57.664

1470

0.000

1483.7

143.9

swv05

20×10

1424

1424

1475

3.581

45.461

1492.3

58.092

1425

0.070

1443.8

146.7

swv06

20×15

1591

1678

1730

3.099

43.94

1738.2

81.892

1679

0.060

1700.1

192.5

swv07

20×15

1446

1600

1632

2.000

88.79

1648

68.546

1603

0.188

1631.3

190.2

swv08

20×15

1640

1756

1807

2.904

147.39

1814.1

71.765

1756

0.000

1786.9

190

swv09

20×15

1604

1661

1701

2.408

126.12

1707.5

68.661

1661

0.000

1689.2

193.8

swv10

20×15

1631

1754

1812

3.307

122.66

1820.6

85.666

1754

0.000

1783.7

184.6