oxipng — oxipng.exe -o 2 --libdeflater --threads 1 --alpha --strip all

file insize instate stats outsize outstate savings
chrome.png 150479 bytes /c6 /f0 /n35
Kernel  Time =     0.078 =    6%
User    Time =     1.062 =   93%
Process Time =     1.140 =  100%    Virtual  Memory =     15 MB
Global  Time =     1.134 =  100%    Physical Memory =     16 MB
76073 bytes /c6 /f5 /n7 74406 bytes
computer.png 213033 bytes /c6 /f0 /n53
Kernel  Time =     0.078 =    8%
User    Time =     0.875 =   91%
Process Time =     0.953 =   99%    Virtual  Memory =     16 MB
Global  Time =     0.956 =  100%    Physical Memory =     19 MB
119896 bytes /c6 /f5 /n8 93137 bytes
divx.png 115158 bytes /c6 /f0 /n18
Kernel  Time =     0.046 =    5%
User    Time =     0.765 =   94%
Process Time =     0.812 =  100%    Virtual  Memory =     15 MB
Global  Time =     0.811 =  100%    Physical Memory =     14 MB
71319 bytes /c6 /f5 /n11 43839 bytes
eclipse.png 307169 bytes /c6 /f0 /n30
Kernel  Time =     0.031 =    3%
User    Time =     0.812 =   97%
Process Time =     0.843 =  101%    Virtual  Memory =     16 MB
Global  Time =     0.830 =  100%    Physical Memory =     18 MB
155202 bytes /c6 /f5 /n12 151967 bytes
emesene.png 277450 bytes /c6 /f0 /n42
Kernel  Time =     0.046 =    4%
User    Time =     1.093 =   96%
Process Time =     1.140 =  100%    Virtual  Memory =     16 MB
Global  Time =     1.134 =  100%    Physical Memory =     18 MB
137475 bytes /c6 /f5 /n10 139975 bytes
firefox.png 433579 bytes /c6 /f0 /n31
Kernel  Time =     0.046 =    5%
User    Time =     0.812 =   95%
Process Time =     0.859 =  100%    Virtual  Memory =     17 MB
Global  Time =     0.853 =  100%    Physical Memory =     19 MB
263866 bytes /c6 /f5 /n7 169713 bytes
galeon.png 221847 bytes /c6 /f0 /n33
Kernel  Time =     0.078 =    7%
User    Time =     0.937 =   92%
Process Time =     1.015 =   99%    Virtual  Memory =     16 MB
Global  Time =     1.018 =  100%    Physical Memory =     18 MB
136901 bytes /c6 /f5 /n11 84946 bytes
internet.png 377660 bytes /c6 /f0 /n35
Kernel  Time =     0.046 =    4%
User    Time =     1.031 =   95%
Process Time =     1.078 =  100%    Virtual  Memory =     17 MB
Global  Time =     1.075 =  100%    Physical Memory =     20 MB
205353 bytes /c6 /f5 /n9 172307 bytes
pidgin.png 233325 bytes /c6 /f0 /n29
Kernel  Time =     0.078 =    8%
User    Time =     0.906 =   93%
Process Time =     0.984 =  102%    Virtual  Memory =     16 MB
Global  Time =     0.964 =  100%    Physical Memory =     15 MB
132110 bytes /c6 /f5 /n15 101215 bytes
trash.png 263168 bytes /c6 /f0 /n27
Kernel  Time =     0.109 =   10%
User    Time =     0.875 =   87%
Process Time =     0.984 =   98%    Virtual  Memory =     16 MB
Global  Time =     1.002 =  100%    Physical Memory =     15 MB
155989 bytes /c6 /f5 /n11 107179 bytes
total savings 1138684 bytes
total time 9,78 seconds