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

file insize instate stats outsize outstate savings
bitdepth-4bits-to-8bits.png 61309 bytes /c3 /f0 /d4 /n22
Kernel  Time =     0.031 =    7%
User    Time =     0.687 =  173%
Process Time =     0.718 =  181%    Virtual  Memory =     23 MB
Global  Time =     0.395 =  100%    Physical Memory =     19 MB
48199 bytes /c3 /f0 /d4 /n5 13110 bytes
bitdepth-8bits-to-4bits.png 121136 bytes /c3 /f0 /d8 /n1
Kernel  Time =     0.015 =   20%
User    Time =     0.125 =  164%
Process Time =     0.140 =  185%    Virtual  Memory =     21 MB
Global  Time =     0.075 =  100%    Physical Memory =     11 MB
98951 bytes /c3 /f0 /d4 /n1 22185 bytes
bitdepth-8bits-to-4bits2.png 21767 bytes /c3 /f0 /d8 /n7
Kernel  Time =     0.046 =   18%
User    Time =     0.375 =  147%
Process Time =     0.421 =  165%    Virtual  Memory =     22 MB
Global  Time =     0.254 =  100%    Physical Memory =     16 MB
11119 bytes /c3 /f0 /d4 /n3 10648 bytes
filter-grayalpha-to-palette1.png 137565 bytes /c4 /f0 /n5
Kernel  Time =     0.015 =    6%
User    Time =     0.687 =  264%
Process Time =     0.703 =  270%    Virtual  Memory =     24 MB
Global  Time =     0.260 =  100%    Physical Memory =     16 MB
104361 bytes /c4 /f5 /n9 33204 bytes
filter-grayalpha-to-palette2.png 113524 bytes /c4 /f0 /n5
Kernel  Time =     0.031 =    9%
User    Time =     0.859 =  267%
Process Time =     0.890 =  276%    Virtual  Memory =     23 MB
Global  Time =     0.321 =  100%    Physical Memory =     23 MB
77913 bytes /c4 /f5 /n7 35611 bytes
filter-grayalpha-to-palette3.png 92042 bytes /c3 /f0 /d8 /n4
Kernel  Time =     0.000 =    0%
User    Time =     0.250 =  175%
Process Time =     0.250 =  175%    Virtual  Memory =     21 MB
Global  Time =     0.142 =  100%    Physical Memory =     15 MB
61959 bytes /c3 /f5 /d8 /n5 30083 bytes
filter-gray-to-palette.png 163014 bytes /c0 /f0 /d8 /n6
Kernel  Time =     0.015 =   11%
User    Time =     0.203 =  155%
Process Time =     0.218 =  167%    Virtual  Memory =     21 MB
Global  Time =     0.130 =  100%    Physical Memory =     13 MB
140909 bytes /c0 /f5 /d8 /n2 22105 bytes
filter-palette-8bits1.png 36306 bytes /c3 /f0 /d4 /n4
Kernel  Time =     0.062 =   63%
User    Time =     0.125 =  126%
Process Time =     0.187 =  189%    Virtual  Memory =     20 MB
Global  Time =     0.098 =  100%    Physical Memory =     10 MB
30852 bytes /c3 /f5 /d4 /n3 5454 bytes
filter-palette-8bits2.png 55371 bytes /c3 /f0 /d8 /n4
Kernel  Time =     0.015 =   17%
User    Time =     0.156 =  178%
Process Time =     0.171 =  196%    Virtual  Memory =     20 MB
Global  Time =     0.087 =  100%    Physical Memory =     11 MB
41614 bytes /c3 /f0 /d4 /n3 13757 bytes
filter-rgba-to-palette1.png 100084 bytes /c6 /f0 /n8
Kernel  Time =     0.015 =   13%
User    Time =     0.203 =  179%
Process Time =     0.218 =  193%    Virtual  Memory =     22 MB
Global  Time =     0.113 =  100%    Physical Memory =     11 MB
51011 bytes /c3 /f5 /d8 /n5 49073 bytes
filter-rgba-to-palette2.png 135698 bytes /c6 /f0 /n6
Kernel  Time =     0.031 =   25%
User    Time =     0.187 =  153%
Process Time =     0.218 =  178%    Virtual  Memory =     22 MB
Global  Time =     0.122 =  100%    Physical Memory =     13 MB
69192 bytes /c3 /f5 /d8 /n2 66506 bytes
filter-rgba-to-palette3.png 441145 bytes /c6 /f0 /n6
Kernel  Time =     0.000 =    0%
User    Time =     0.421 =  192%
Process Time =     0.421 =  192%    Virtual  Memory =     26 MB
Global  Time =     0.219 =  100%    Physical Memory =     19 MB
229385 bytes /c3 /f5 /d8 /n5 211760 bytes
filter-rgba-to-palette4.png 131807 bytes /c6 /f0 /n6
Kernel  Time =     0.015 =   11%
User    Time =     0.234 =  169%
Process Time =     0.250 =  180%    Virtual  Memory =     22 MB
Global  Time =     0.138 =  100%    Physical Memory =     15 MB
62630 bytes /c3 /f5 /d8 /n2 69177 bytes
filter-rgba-to-palette5.png 141827 bytes /c6 /f0 /n4
Kernel  Time =     0.015 =   17%
User    Time =     0.156 =  179%
Process Time =     0.171 =  197%    Virtual  Memory =     22 MB
Global  Time =     0.087 =  100%    Physical Memory =     12 MB
76604 bytes /c3 /f5 /d8 /n2 65223 bytes
filter-rgba-to-palette6.png 143145 bytes /c6 /f0 /n5
Kernel  Time =     0.000 =    0%
User    Time =     0.187 =  195%
Process Time =     0.187 =  195%    Virtual  Memory =     21 MB
Global  Time =     0.095 =  100%    Physical Memory =     12 MB
86343 bytes /c3 /f5 /d8 /n3 56802 bytes
gradient-gray.png 1102 bytes /c3 /f0 /d8 /n0
Kernel  Time =     0.015 =  149%
User    Time =     0.000 =    0%
Process Time =     0.015 =  149%    Virtual  Memory =     19 MB
Global  Time =     0.010 =  100%    Physical Memory =      6 MB
848 bytes /c3 /f1 /d8 /n0 254 bytes
gradient-trucoloralpha.png 1118 bytes /c3 /f0 /d8 /n0
Kernel  Time =     0.015 =  155%
User    Time =     0.000 =    0%
Process Time =     0.015 =  155%    Virtual  Memory =     20 MB
Global  Time =     0.010 =  100%    Physical Memory =      6 MB
862 bytes /c3 /f1 /d8 /n0 256 bytes
gradient-truecolor.png 1102 bytes /c3 /f0 /d8 /n0
Kernel  Time =     0.015 =  110%
User    Time =     0.000 =    0%
Process Time =     0.015 =  110%    Virtual  Memory =     19 MB
Global  Time =     0.014 =  100%    Physical Memory =      6 MB
848 bytes /c3 /f1 /d8 /n0 254 bytes
grayalpha-to-gray.png 82301 bytes /c4 /f0 /n4
Kernel  Time =     0.015 =    6%
User    Time =     0.359 =  151%
Process Time =     0.375 =  157%    Virtual  Memory =     22 MB
Global  Time =     0.237 =  100%    Physical Memory =     17 MB
38793 bytes /c0 /f5 /d8 /n4 43508 bytes
grayalpha-to-palette.png 36345 bytes /c4 /f0 /n9
Kernel  Time =     0.015 =    7%
User    Time =     0.500 =  235%
Process Time =     0.515 =  242%    Virtual  Memory =     22 MB
Global  Time =     0.212 =  100%    Physical Memory =     20 MB
28417 bytes /c4 /f0 /n3 7928 bytes
grayalpha-to-palette-filter.png 251533 bytes /c4 /f0 /n23
Kernel  Time =     0.000 =    0%
User    Time =     1.234 =  275%
Process Time =     1.234 =  275%    Virtual  Memory =     27 MB
Global  Time =     0.447 =  100%    Physical Memory =     24 MB
195499 bytes /c4 /f5 /n9 56034 bytes
gray-to-palette.png 35008 bytes /c0 /f0 /d8 /n15
Kernel  Time =     0.062 =   24%
User    Time =     0.390 =  154%
Process Time =     0.453 =  179%    Virtual  Memory =     21 MB
Global  Time =     0.252 =  100%    Physical Memory =     15 MB
27324 bytes /c0 /f0 /d8 /n5 7684 bytes
gray-to-palette-filter.png 150049 bytes /c0 /f0 /d8 /n9
Kernel  Time =     0.015 =   12%
User    Time =     0.171 =  142%
Process Time =     0.187 =  155%    Virtual  Memory =     21 MB
Global  Time =     0.120 =  100%    Physical Memory =     12 MB
129958 bytes /c0 /f5 /d8 /n1 20091 bytes
palette-alpha-zero.png 263868 bytes /c3 /f0 /d8 /n1
Kernel  Time =     0.000 =    0%
User    Time =     0.125 =  240%
Process Time =     0.125 =  240%    Virtual  Memory =     22 MB
Global  Time =     0.051 =  100%    Physical Memory =     15 MB
263791 bytes /c3 /f0 /d8 /n0 77 bytes
palette-black.png 1114 bytes /c3 /f0 /d8 /n1
Kernel  Time =     0.000 =    0%
User    Time =     0.062 =  125%
Process Time =     0.062 =  125%    Virtual  Memory =     19 MB
Global  Time =     0.049 =  100%    Physical Memory =      7 MB
129 bytes /c3 /f0 /d1 /n1 985 bytes
palette-error.png 43691 bytes /c3 /f0 /d8 /n8
Kernel  Time =     0.015 =    9%
User    Time =     0.312 =  199%
Process Time =     0.328 =  209%    Virtual  Memory =     21 MB
Global  Time =     0.156 =  100%    Physical Memory =     22 MB
31667 bytes /c3 /f0 /d8 /n1 12024 bytes
palette-interlacing.png 205887 bytes /c3 /f0 /d8 /n15
Kernel  Time =     0.000 =    0%
User    Time =     0.640 =  194%
Process Time =     0.640 =  194%    Virtual  Memory =     25 MB
Global  Time =     0.329 =  100%    Physical Memory =     14 MB
159948 bytes /c3 /f0 /d8 /n42 45939 bytes
palette-screenshot.png 226012 bytes /c3 /f0 /d8 /n13
Kernel  Time =     0.000 =    0%
User    Time =     0.484 =  196%
Process Time =     0.484 =  196%    Virtual  Memory =     24 MB
Global  Time =     0.246 =  100%    Physical Memory =     14 MB
211840 bytes /c3 /f0 /d8 /n40 14172 bytes
palette-sort-filter-11.png 224307 bytes /c3 /f0 /d8 /n29
Kernel  Time =     0.000 =    0%
User    Time =     0.687 =  190%
Process Time =     0.687 =  190%    Virtual  Memory =     24 MB
Global  Time =     0.360 =  100%    Physical Memory =     21 MB
208888 bytes /c3 /f0 /d8 /n8 15419 bytes
palette-sort-filter-16.png 974595 bytes /c3 /f0 /d8 /n45
Kernel  Time =     0.046 =    4%
User    Time =     2.046 =  175%
Process Time =     2.093 =  179%    Virtual  Memory =     88 MB
Global  Time =     1.166 =  100%    Physical Memory =     88 MB
802398 bytes /c3 /f5 /d8 /n28 172197 bytes
palette-sort-filter-39.png 129117 bytes /c3 /f0 /d8 /n14
Kernel  Time =     0.015 =   17%
User    Time =     0.156 =  176%
Process Time =     0.171 =  194%    Virtual  Memory =     21 MB
Global  Time =     0.088 =  100%    Physical Memory =     13 MB
123560 bytes /c3 /f0 /d8 /n5 5557 bytes
palette-sort-filter-97.png 80730 bytes /c3 /f0 /d8 /n43
Kernel  Time =     0.015 =   12%
User    Time =     0.171 =  139%
Process Time =     0.187 =  152%    Virtual  Memory =     21 MB
Global  Time =     0.123 =  100%    Physical Memory =     13 MB
59390 bytes /c3 /f5 /d8 /n4 21340 bytes
palette-sort-filter-168.png 44127 bytes /c3 /f0 /d8 /n19
Kernel  Time =     0.000 =    0%
User    Time =     0.187 =  157%
Process Time =     0.187 =  157%    Virtual  Memory =     20 MB
Global  Time =     0.119 =  100%    Physical Memory =     12 MB
30402 bytes /c3 /f5 /d8 /n7 13725 bytes
palette-sterile.png 8526 bytes /c3 /f0 /d8 /n1
Kernel  Time =     0.031 =   27%
User    Time =     0.171 =  151%
Process Time =     0.203 =  179%    Virtual  Memory =     20 MB
Global  Time =     0.113 =  100%    Physical Memory =     13 MB
6334 bytes /c3 /f0 /d8 /n1 2192 bytes
palette-to-gray.png 76919 bytes /c3 /f0 /d8 /n6
Kernel  Time =     0.031 =   21%
User    Time =     0.218 =  151%
Process Time =     0.250 =  173%    Virtual  Memory =     20 MB
Global  Time =     0.144 =  100%    Physical Memory =     13 MB
46171 bytes /c3 /f5 /d8 /n4 30748 bytes
rgba-filter.png 1539276 bytes /c6 /f0 /n1021
Kernel  Time =     3.968 =   32%
User    Time =    18.218 =  147%
Process Time =    22.187 =  179%    Virtual  Memory =    242 MB
Global  Time =    12.392 =  100%    Physical Memory =    194 MB
900098 bytes /c6 /f0 /n52 639178 bytes
rgba-keep-alpha.png 175128 bytes /c6 /f0 /n60
Kernel  Time =     0.031 =    9%
User    Time =     0.734 =  233%
Process Time =     0.765 =  243%    Virtual  Memory =     25 MB
Global  Time =     0.314 =  100%    Physical Memory =     19 MB
43974 bytes /c6 /f5 /n14 131154 bytes
rgba-keep-rgba.png 402146 bytes /c6 /f0 /n2
Kernel  Time =     0.000 =    0%
User    Time =     0.765 =  199%
Process Time =     0.765 =  199%    Virtual  Memory =     25 MB
Global  Time =     0.382 =  100%    Physical Memory =     19 MB
81706 bytes /c6 /f5 /n16 320440 bytes
rgba-nofilter.png 137354 bytes /c6 /f0 /n11
Kernel  Time =     0.062 =   17%
User    Time =     0.859 =  244%
Process Time =     0.921 =  262%    Virtual  Memory =     25 MB
Global  Time =     0.351 =  100%    Physical Memory =     24 MB
102489 bytes /c6 /f0 /n7 34865 bytes
rgba-to-grayalpha.png 342336 bytes /c6 /f0 /n13
Kernel  Time =     0.078 =   23%
User    Time =     0.687 =  206%
Process Time =     0.765 =  230%    Virtual  Memory =     26 MB
Global  Time =     0.332 =  100%    Physical Memory =     18 MB
21397 bytes /c6 /f0 /n7 320939 bytes
rgba-to-gray-trns.png 532170 bytes /c6 /f0 /n13
Kernel  Time =     0.093 =   21%
User    Time =     0.828 =  193%
Process Time =     0.921 =  215%    Virtual  Memory =     28 MB
Global  Time =     0.427 =  100%    Physical Memory =     22 MB
31775 bytes /c6 /f0 /n8 500395 bytes
rgba-to-palette.png 210112 bytes /c6 /f4 /n9
Kernel  Time =     0.015 =    4%
User    Time =     0.687 =  183%
Process Time =     0.703 =  188%    Virtual  Memory =     26 MB
Global  Time =     0.373 =  100%    Physical Memory =     23 MB
71604 bytes /c3 /f0 /d8 /n9 138508 bytes
rgba-to-palette-filter.png 224894 bytes /c6 /f4 /n9
Kernel  Time =     0.015 =    7%
User    Time =     0.328 =  166%
Process Time =     0.343 =  174%    Virtual  Memory =     23 MB
Global  Time =     0.196 =  100%    Physical Memory =     14 MB
72917 bytes /c3 /f5 /d8 /n6 151977 bytes
rgba-to-palette-greylevel.png 139098 bytes /c6 /f4 /n9
Kernel  Time =     0.062 =    8%
User    Time =     1.578 =  218%
Process Time =     1.640 =  227%    Virtual  Memory =     27 MB
Global  Time =     0.722 =  100%    Physical Memory =     25 MB
62427 bytes /c4 /f0 /n5 76671 bytes
rgba-to-palette-greylevel-filter.png 621848 bytes /c6 /f0 /n22
Kernel  Time =     0.031 =    7%
User    Time =     0.968 =  217%
Process Time =     1.000 =  224%    Virtual  Memory =     27 MB
Global  Time =     0.445 =  100%    Physical Memory =     22 MB
66145 bytes /c6 /f0 /n10 555703 bytes
rgba-to-rgb.png 507990 bytes /c6 /f0 /n9
Kernel  Time =     0.031 =   26%
User    Time =     0.171 =  143%
Process Time =     0.203 =  170%    Virtual  Memory =     24 MB
Global  Time =     0.119 =  100%    Physical Memory =     14 MB
341456 bytes /c2 /f5 /n17 166534 bytes
rgba-to-rgb-trns.png 554331 bytes /c6 /f0 /n15
Kernel  Time =     0.062 =   12%
User    Time =     0.937 =  194%
Process Time =     1.000 =  207%    Virtual  Memory =     27 MB
Global  Time =     0.480 =  100%    Physical Memory =     24 MB
53386 bytes /c6 /f5 /n8 500945 bytes
rgb-huff.png 3219998 bytes /c2 /f0 /n8
Kernel  Time =     0.046 =    2%
User    Time =     3.125 =  146%
Process Time =     3.171 =  148%    Virtual  Memory =     54 MB
Global  Time =     2.139 =  100%    Physical Memory =     51 MB
1713645 bytes /c2 /f5 /n43 1506353 bytes
total savings 6218744 bytes
total time 25,45 seconds