OptiPNG — optipng.exe -o2

file insize instate stats outsize outstate savings
air.png 1524850 bytes /c2 /f4 /n10
Kernel  Time =     0.000 =    0%
User    Time =     4.609 =   98%
Process Time =     4.609 =   98%    Virtual  Memory =      5 MB
Global  Time =     4.677 =  100%    Physical Memory =      8 MB
1349853 bytes /c2 /f5 /n182 174997 bytes
bridge.png 1762214 bytes /c2 /f4 /n9
Kernel  Time =     0.015 =    0%
User    Time =     6.828 =   99%
Process Time =     6.843 =   99%    Virtual  Memory =      5 MB
Global  Time =     6.873 =  100%    Physical Memory =      8 MB
1532807 bytes /c2 /f5 /n93 229407 bytes
citroen.png 1936514 bytes /c2 /f4 /n14
Kernel  Time =     0.031 =    1%
User    Time =     1.562 =   97%
Process Time =     1.593 =   98%    Virtual  Memory =      5 MB
Global  Time =     1.609 =  100%    Physical Memory =      8 MB
1758874 bytes /c2 /f5 /n182 177640 bytes
correfocs.png 1936225 bytes /c2 /f4 /n12
Kernel  Time =     0.046 =    1%
User    Time =     3.515 =   98%
Process Time =     3.562 =  100%    Virtual  Memory =      5 MB
Global  Time =     3.552 =  100%    Physical Memory =      9 MB
1668585 bytes /c2 /f5 /n209 267640 bytes
dune.png 2251285 bytes /c2 /f4 /n9
Kernel  Time =     0.031 =    1%
User    Time =     1.812 =   98%
Process Time =     1.843 =  100%    Virtual  Memory =      5 MB
Global  Time =     1.837 =  100%    Physical Memory =      9 MB
1910783 bytes /c2 /f5 /n212 340502 bytes
eaglefairy.png 2167502 bytes /c2 /f4 /n5
Kernel  Time =     0.031 =    1%
User    Time =     2.187 =   98%
Process Time =     2.218 =  100%    Virtual  Memory =      6 MB
Global  Time =     2.217 =  100%    Physical Memory =      9 MB
1752199 bytes /c2 /f5 /n221 415303 bytes
irargerich.png 2066635 bytes /c2 /f4 /n15
Kernel  Time =     0.062 =    1%
User    Time =     3.187 =   95%
Process Time =     3.250 =   97%    Virtual  Memory =      5 MB
Global  Time =     3.329 =  100%    Physical Memory =      9 MB
1799446 bytes /c2 /f5 /n216 267189 bytes
kavica.png 1863164 bytes /c2 /f4 /n8
Kernel  Time =     0.015 =    1%
User    Time =     1.437 =   97%
Process Time =     1.453 =   98%    Virtual  Memory =      5 MB
Global  Time =     1.472 =  100%    Physical Memory =      8 MB
1683409 bytes /c2 /f5 /n170 179755 bytes
mercado.png 2257065 bytes /c2 /f4 /n9
Kernel  Time =     0.015 =    0%
User    Time =     1.750 =   97%
Process Time =     1.765 =   98%    Virtual  Memory =      5 MB
Global  Time =     1.787 =  100%    Physical Memory =      8 MB
2129530 bytes /c2 /f5 /n170 127535 bytes
panthera.png 1795149 bytes /c2 /f4 /n14
Kernel  Time =     0.031 =    0%
User    Time =     5.843 =   99%
Process Time =     5.875 =   99%    Virtual  Memory =      5 MB
Global  Time =     5.889 =  100%    Physical Memory =      9 MB
1609590 bytes /c2 /f5 /n58 185559 bytes
park.png 1925839 bytes /c2 /f4 /n11
Kernel  Time =     0.000 =    0%
User    Time =     2.109 =   98%
Process Time =     2.109 =   98%    Virtual  Memory =      5 MB
Global  Time =     2.149 =  100%    Physical Memory =      8 MB
1808583 bytes /c2 /f5 /n170 117256 bytes
source.png 2123295 bytes /c2 /f4 /n14
Kernel  Time =     0.000 =    0%
User    Time =     1.765 =   99%
Process Time =     1.765 =   99%    Virtual  Memory =      5 MB
Global  Time =     1.765 =  100%    Physical Memory =      8 MB
2007924 bytes /c2 /f5 /n162 115371 bytes
swallowtail.png 2041337 bytes /c2 /f4 /n10
Kernel  Time =     0.046 =    1%
User    Time =     2.921 =   96%
Process Time =     2.968 =   97%    Virtual  Memory =      6 MB
Global  Time =     3.039 =  100%    Physical Memory =      9 MB
1837218 bytes /c2 /f5 /n144 204119 bytes
tivoli.png 2240511 bytes /c2 /f4 /n8
Kernel  Time =     0.031 =    1%
User    Time =     1.921 =   98%
Process Time =     1.953 =   99%    Virtual  Memory =      5 MB
Global  Time =     1.956 =  100%    Physical Memory =      8 MB
2116746 bytes /c2 /f5 /n165 123765 bytes
total savings 2926038 bytes
total time 42,15 seconds