swarm: ncalls=244345 minimum:          1          1          1 
f(minimum)=0

bbpso: ncalls=219385 minimum:          1          1          1 
f(minimum)=5.23445625810069E-17

apso: ncalls=366313 minimum:      0.993      0.986      0.972 
f(minimum)=0.000257946552258419

prernd: ncalls=989960 minimum:          1          1          1 
f(minimum)=1.99311961229532E-09

rndstart: ncalls=701979 minimum:          1          1          1 
f(minimum)=7.17531266149247E-13