Research Article

A Water Flow-Like Algorithm for the Travelling Salesman Problem

Table 4

Comparison of the experimental WFA-TSP results with the results of other algorithms.

TSP instanceBKSSomhom et al. algorithm [5]Pasti and De Castro algorithm [6]Masutti and De Castro algorithm [7]GSAACS-PSO [12]WFA-TSP
MeanSDBestMeanSDBestMeanSDBestMeanSDBestMeanSDBest

eil51426440.603.44433438.703.52429437.474.20427427.270.45427426.400.52426
berlin5275428025.00249.0077158074.00270.0077167932.50277.3075427542075427542.000.007542
eil76538562.305.23552556.108.03542556.335.30541540.22.945385380.00538
kroA1002128221617.00164.002141021868.00246.002136921522.7393.342133321370.47123.3621,282212820.0021,282
kroB1002214122623.0075.302254822854.00209.002259622661.47193.502234322283183.9922,14122243.554.0522141
kroC1002074921150.00188.002092121232.00216.002091520971.23108.202091520879158.6420,74920782.628.4120749
kroD1002129421846.00154.002150022028.00303.002145721697.37157.002137421620226.621,30921469.22283.5821342
kroE1002206822682.00214.002237922816.00268.002242722715.63260.202239522183103.3222,06822203.959.5622106
rd10079108239.00104.0080288253.90149.0079478199.7780.7779827987.662.0679107942.615.337911
eil101629655.605.95640654.836.57641648.633.85638635.233.59630630.72.83629
lin1051437914476.00118.001437914702.00328.001437914400.1744.03143791440637.2814,379143790.0014379
bier127118282121733.331240.00119840121780.001564.00118760120886.301159.00118970119421.8580.83118,282118714.94167.16118282
ch13061106307.0063.0062036291.8065.0061426282.4060.1561456205.6343.761416,133.9029.296110
ch15065286751.0062.2066316753.2083.0066296738.3776.1466026563.722.4565286,542.2014.226528
kroA1502652427401.00252.002693027346.00223.002693227355.97327.902667826899.2133.0226,52426,568.4058.4526524
kroB1502613026806.00250.002634226752.00210.002639526631.87232.902626426448266.7626,13026347.3272.2526160
kroA2002936830416.00133.003014430258.00343.002959430190.27273.402960029738.73356.0729,38329,438.20114.8429368
kroB2002943730286.00301.002970330416.00350.002983130135.00276.802963730035357.4829,54129931.97132.8929634
lin3184202943923.00382.004315443705.00391.004297543696.87410.104283443002.9307.514248742,490.10208.5442278
rat57567737174.0039.5070907125.1040.9070397115.6737.4770476933.8727.6268917,000.8021.736971
rat78388069388.0039.4093169326.3048.5091859343.7746.9792469079.2352.6989889,180.2040.799126
fl14002012720743.00116.002055821071.00205.002074521110.00163.302085121349.63527.8820,5932044950.4620365
d16556212868046.00379.006745971432.00589.007032372113.17698.607091865621.131031.9464,15164878.6344.2564313