###count=10000,keys###
before    : size=8708096
after hash: size=11853824
after loop: size=11853824
time=0.044
###count=10000,each###
before    : size=8708096
after hash: size=11853824
after loop: size=11853824
time=0.050
###count=100000,keys###
before    : size=8708096
after hash: size=41213952
after loop: size=41213952
time=0.682
###count=100000,each###
before    : size=8708096
after hash: size=41213952
after loop: size=41213952
time=0.805
###count=1000000,keys###
before    : size=8708096
after hash: size=294969344
after loop: size=296017920
time=7.568
###count=1000000,each###
before    : size=8708096
after hash: size=294969344
after loop: size=296017920
time=8.563
###count=2000000,keys###
before    : size=8708096
after hash: size=581230592
after loop: size=582279168
time=104.976
###count=2000000,each###
before    : size=8708096
after hash: size=581230592
after loop: size=582279168
time=225.191