oxipng — oxipng.exe -o 6 --libdeflater --threads 1 --alpha --strip all

file insize instate stats outsize outstate savings
chrome.png 150479 bytes /c6 /f0 /n35
Kernel  Time =     0.062 =    2%
User    Time =     2.625 =   97%
Process Time =     2.687 =  100%    Virtual  Memory =     19 MB
Global  Time =     2.687 =  100%    Physical Memory =     22 MB
72392 bytes /c6 /f1 /n6 78087 bytes
computer.png 213033 bytes /c6 /f0 /n53
Kernel  Time =     0.046 =    2%
User    Time =     2.125 =   98%
Process Time =     2.171 =  100%    Virtual  Memory =     20 MB
Global  Time =     2.158 =  100%    Physical Memory =     23 MB
119896 bytes /c6 /f5 /n8 93137 bytes
divx.png 115158 bytes /c6 /f0 /n18
Kernel  Time =     0.062 =    3%
User    Time =     1.875 =   97%
Process Time =     1.937 =  100%    Virtual  Memory =     19 MB
Global  Time =     1.918 =  100%    Physical Memory =     19 MB
71319 bytes /c6 /f5 /n11 43839 bytes
eclipse.png 307169 bytes /c6 /f0 /n30
Kernel  Time =     0.109 =    5%
User    Time =     1.890 =   95%
Process Time =     2.000 =  100%    Virtual  Memory =     21 MB
Global  Time =     1.985 =  100%    Physical Memory =     23 MB
151566 bytes /c6 /f1 /n8 155603 bytes
emesene.png 277450 bytes /c6 /f0 /n42
Kernel  Time =     0.125 =    4%
User    Time =     2.500 =   96%
Process Time =     2.625 =  101%    Virtual  Memory =     21 MB
Global  Time =     2.597 =  100%    Physical Memory =     23 MB
133019 bytes /c6 /f3 /n11 144431 bytes
firefox.png 433579 bytes /c6 /f0 /n31
Kernel  Time =     0.046 =    2%
User    Time =     1.906 =   97%
Process Time =     1.953 =   99%    Virtual  Memory =     22 MB
Global  Time =     1.953 =  100%    Physical Memory =     24 MB
263866 bytes /c6 /f5 /n7 169713 bytes
galeon.png 221847 bytes /c6 /f0 /n33
Kernel  Time =     0.078 =    3%
User    Time =     2.109 =   96%
Process Time =     2.187 =  100%    Virtual  Memory =     21 MB
Global  Time =     2.182 =  100%    Physical Memory =     23 MB
136328 bytes /c6 /f2 /n14 85519 bytes
internet.png 377660 bytes /c6 /f0 /n35
Kernel  Time =     0.109 =    4%
User    Time =     2.375 =   95%
Process Time =     2.484 =   99%    Virtual  Memory =     21 MB
Global  Time =     2.496 =  100%    Physical Memory =     24 MB
199051 bytes /c6 /f3 /n10 178609 bytes
pidgin.png 233325 bytes /c6 /f0 /n29
Kernel  Time =     0.093 =    4%
User    Time =     2.093 =   95%
Process Time =     2.187 =   99%    Virtual  Memory =     20 MB
Global  Time =     2.190 =  100%    Physical Memory =     20 MB
132110 bytes /c6 /f5 /n15 101215 bytes
trash.png 263168 bytes /c6 /f0 /n27
Kernel  Time =     0.046 =    2%
User    Time =     2.031 =   98%
Process Time =     2.078 =  100%    Virtual  Memory =     20 MB
Global  Time =     2.071 =  100%    Physical Memory =     21 MB
155989 bytes /c6 /f5 /n11 107179 bytes
total savings 1157332 bytes
total time 22,24 seconds