Table 1: Results of the parameter tuning process.

ItemTestBest

ns 10; 2010
e 10%; 20%; 50% of ns 20%
ne 10%; 40% of ns 10%
Followers20; 10020
Neigh small1; 22
Neigh med4; 64
Intensification size10; 2020
Elite followers60%; 90%60%