Table 5.

Parameter tuning

Algorithm	Parameter	Tested values	Chosen value
ILS	$iter0$	{110,120,130}	120
	$iter1$	{250,200}	200
	$\theta$	{0.7,0.5}	0.7
TS	$iter2$	{110,120,130}	120
	$iter3$	{300,400}	400
	$iter4$	{20,30}	30
	$iter5$	{50,60}	60
	$\tau$	{5,8,10}	8
	$\theta$	{0.7,0.5}	0.7
VNS	$iter6$	{110,120,130}	120
	$iter7$	{30,40,50}	40
	${\rho }_1$	{0.2,0.3,0.4}	0.3
	${\rho }_{\mathit{max}}$	{0.75,0.8,0.85}	0.8
	$\gamma$	{0.02,0.05}	0.02
	$\theta$	{0.7,0.5}	0.7