swarm: ncalls=245929 minimum:          1          1          1 
f(minimum)=0

bbpso: ncalls=201697 minimum:          1          1          1 
f(minimum)=2.2075732541382E-07

prernd: ncalls=994595 minimum:          1          1          1 
f(minimum)=7.72876623862844E-10

rndstart: ncalls=706876 minimum:          1          1          1 
f(minimum)=6.59653733897963E-13