OptiPNG — optipng.exe -o7

file insize instate stats outsize outstate savings
brocolli.png 54836 bytes /c3 /f0 /d8 /n6
Kernel  Time =     0.046 =    1%
User    Time =     3.250 =   96%
Process Time =     3.296 =   97%    Virtual  Memory =      3 MB
Global  Time =     3.369 =  100%    Physical Memory =      6 MB
43097 bytes /c3 /f0 /d4 /n3 11739 bytes
carrot.png 61197 bytes /c3 /f0 /d8 /n17
Kernel  Time =     0.031 =    0%
User    Time =     6.281 =   99%
Process Time =     6.312 =   99%    Virtual  Memory =      3 MB
Global  Time =     6.322 =  100%    Physical Memory =      6 MB
39791 bytes /c3 /f0 /d4 /n2 21406 bytes
chart.png 63110 bytes /c3 /f0 /d8 /n29
Kernel  Time =     0.031 =    0%
User    Time =     6.328 =   98%
Process Time =     6.359 =   99%    Virtual  Memory =      4 MB
Global  Time =     6.399 =  100%    Physical Memory =      8 MB
29109 bytes /c3 /f2 /d4 /n3 34001 bytes
colors.png 5713 bytes /c3 /f0 /d8 /n4
Kernel  Time =     0.062 =    8%
User    Time =     0.640 =   88%
Process Time =     0.703 =   97%    Virtual  Memory =      3 MB
Global  Time =     0.721 =  100%    Physical Memory =      6 MB
1152 bytes /c3 /f4 /d4 /n1 4561 bytes
salad.png 244577 bytes /c3 /f0 /d8 /n19
Kernel  Time =     0.046 =    0%
User    Time =    17.390 =   99%
Process Time =    17.437 =   99%    Virtual  Memory =      4 MB
Global  Time =    17.523 =  100%    Physical Memory =      7 MB
168998 bytes /c3 /f0 /d4 /n6 75579 bytes
screen.png 9707 bytes /c3 /f0 /d8 /n32
Kernel  Time =     0.015 =    0%
User    Time =     1.640 =   95%
Process Time =     1.656 =   96%    Virtual  Memory =      3 MB
Global  Time =     1.722 =  100%    Physical Memory =      6 MB
5916 bytes /c3 /f0 /d4 /n1 3791 bytes
total savings 151077 bytes
total time 36,06 seconds