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

file insize instate stats outsize outstate savings
bitdepth-4bits-to-8bits.png 61309 bytes /c3 /f0 /d4 /n22
Kernel  Time =     0.015 =    2%
User    Time =     0.687 =   97%
Process Time =     0.703 =  100%    Virtual  Memory =     15 MB
Global  Time =     0.701 =  100%    Physical Memory =     18 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 =     0.078 =  103%
Process Time =     0.093 =  124%    Virtual  Memory =     12 MB
Global  Time =     0.075 =  100%    Physical Memory =      8 MB
98951 bytes /c3 /f0 /d4 /n1 22185 bytes
bitdepth-8bits-to-4bits2.png 21767 bytes /c3 /f0 /d8 /n7
Kernel  Time =     0.015 =    4%
User    Time =     0.390 =  111%
Process Time =     0.406 =  115%    Virtual  Memory =     13 MB
Global  Time =     0.350 =  100%    Physical Memory =     15 MB
11119 bytes /c3 /f0 /d4 /n3 10648 bytes
filter-grayalpha-to-palette1.png 137565 bytes /c4 /f0 /n5
Kernel  Time =     0.000 =    0%
User    Time =     0.562 =   96%
Process Time =     0.562 =   96%    Virtual  Memory =     13 MB
Global  Time =     0.580 =  100%    Physical Memory =     12 MB
104361 bytes /c4 /f5 /n9 33204 bytes
filter-grayalpha-to-palette2.png 113524 bytes /c4 /f0 /n5
Kernel  Time =     0.046 =    6%
User    Time =     0.687 =   95%
Process Time =     0.734 =  101%    Virtual  Memory =     14 MB
Global  Time =     0.722 =  100%    Physical Memory =     16 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 =     0.218 =   96%
Process Time =     0.218 =   96%    Virtual  Memory =     12 MB
Global  Time =     0.226 =  100%    Physical Memory =     11 MB
61959 bytes /c3 /f5 /d8 /n5 30083 bytes
filter-gray-to-palette.png 163014 bytes /c0 /f0 /d8 /n6
Kernel  Time =     0.015 =    9%
User    Time =     0.140 =   88%
Process Time =     0.156 =   98%    Virtual  Memory =     12 MB
Global  Time =     0.158 =  100%    Physical Memory =     11 MB
140909 bytes /c0 /f5 /d8 /n2 22105 bytes
filter-palette-8bits1.png 36306 bytes /c3 /f0 /d4 /n4
Kernel  Time =     0.015 =    9%
User    Time =     0.140 =   88%
Process Time =     0.156 =   98%    Virtual  Memory =     11 MB
Global  Time =     0.158 =  100%    Physical Memory =      9 MB
30852 bytes /c3 /f5 /d4 /n3 5454 bytes
filter-palette-8bits2.png 55371 bytes /c3 /f0 /d8 /n4
Kernel  Time =     0.031 =   28%
User    Time =     0.093 =   86%
Process Time =     0.125 =  115%    Virtual  Memory =     11 MB
Global  Time =     0.108 =  100%    Physical Memory =      8 MB
41614 bytes /c3 /f0 /d4 /n3 13757 bytes
filter-rgba-to-palette1.png 100084 bytes /c6 /f0 /n8
Kernel  Time =     0.015 =    9%
User    Time =     0.156 =   95%
Process Time =     0.171 =  105%    Virtual  Memory =     13 MB
Global  Time =     0.163 =  100%    Physical Memory =      9 MB
51011 bytes /c3 /f5 /d8 /n5 49073 bytes
filter-rgba-to-palette2.png 135698 bytes /c6 /f0 /n6
Kernel  Time =     0.000 =    0%
User    Time =     0.203 =  107%
Process Time =     0.203 =  107%    Virtual  Memory =     13 MB
Global  Time =     0.189 =  100%    Physical Memory =     11 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 =     0.406 =  107%
Process Time =     0.406 =  107%    Virtual  Memory =     16 MB
Global  Time =     0.379 =  100%    Physical Memory =     15 MB
229385 bytes /c3 /f5 /d8 /n5 211760 bytes
filter-rgba-to-palette4.png 131807 bytes /c6 /f0 /n6
Kernel  Time =     0.000 =    0%
User    Time =     0.234 =  107%
Process Time =     0.234 =  107%    Virtual  Memory =     12 MB
Global  Time =     0.217 =  100%    Physical Memory =     11 MB
62630 bytes /c3 /f5 /d8 /n2 69177 bytes
filter-rgba-to-palette5.png 141827 bytes /c6 /f0 /n4
Kernel  Time =     0.000 =    0%
User    Time =     0.171 =  114%
Process Time =     0.171 =  114%    Virtual  Memory =     12 MB
Global  Time =     0.150 =  100%    Physical Memory =     10 MB
76604 bytes /c3 /f5 /d8 /n2 65223 bytes
filter-rgba-to-palette6.png 143145 bytes /c6 /f0 /n5
Kernel  Time =     0.015 =    9%
User    Time =     0.156 =   94%
Process Time =     0.171 =  104%    Virtual  Memory =     12 MB
Global  Time =     0.164 =  100%    Physical Memory =     10 MB
86343 bytes /c3 /f5 /d8 /n3 56802 bytes
gradient-gray.png 1102 bytes /c3 /f0 /d8 /n0
Kernel  Time =     0.015 =   97%
User    Time =     0.015 =   97%
Process Time =     0.031 =  195%    Virtual  Memory =     10 MB
Global  Time =     0.015 =  100%    Physical Memory =      5 MB
848 bytes /c3 /f1 /d8 /n0 254 bytes
gradient-trucoloralpha.png 1118 bytes /c3 /f0 /d8 /n0
Kernel  Time =     0.015 =  152%
User    Time =     0.015 =  152%
Process Time =     0.031 =  305%    Virtual  Memory =     10 MB
Global  Time =     0.010 =  100%    Physical Memory =      5 MB
862 bytes /c3 /f1 /d8 /n0 256 bytes
gradient-truecolor.png 1102 bytes /c3 /f0 /d8 /n0
Kernel  Time =     0.000 =    0%
User    Time =     0.000 =    0%
Process Time =     0.000 =    0%    Virtual  Memory =     10 MB
Global  Time =     0.009 =  100%    Physical Memory =      5 MB
848 bytes /c3 /f1 /d8 /n0 254 bytes
grayalpha-to-gray.png 82301 bytes /c4 /f0 /n4
Kernel  Time =     0.015 =    4%
User    Time =     0.375 =  105%
Process Time =     0.390 =  110%    Virtual  Memory =     12 MB
Global  Time =     0.354 =  100%    Physical Memory =     13 MB
38793 bytes /c0 /f5 /d8 /n4 43508 bytes
grayalpha-to-palette.png 36345 bytes /c4 /f0 /n9
Kernel  Time =     0.109 =   21%
User    Time =     0.390 =   78%
Process Time =     0.500 =  100%    Virtual  Memory =     12 MB
Global  Time =     0.499 =  100%    Physical Memory =     13 MB
28417 bytes /c4 /f0 /n3 7928 bytes
grayalpha-to-palette-filter.png 251533 bytes /c4 /f0 /n23
Kernel  Time =     0.031 =    3%
User    Time =     0.921 =   95%
Process Time =     0.953 =   98%    Virtual  Memory =     16 MB
Global  Time =     0.963 =  100%    Physical Memory =     17 MB
195499 bytes /c4 /f5 /n9 56034 bytes
gray-to-palette.png 35008 bytes /c0 /f0 /d8 /n15
Kernel  Time =     0.015 =    4%
User    Time =     0.343 =  100%
Process Time =     0.359 =  104%    Virtual  Memory =     12 MB
Global  Time =     0.342 =  100%    Physical Memory =     11 MB
27324 bytes /c0 /f0 /d8 /n5 7684 bytes
gray-to-palette-filter.png 150049 bytes /c0 /f0 /d8 /n9
Kernel  Time =     0.015 =    9%
User    Time =     0.156 =   97%
Process Time =     0.171 =  107%    Virtual  Memory =     12 MB
Global  Time =     0.159 =  100%    Physical Memory =     11 MB
129958 bytes /c0 /f5 /d8 /n1 20091 bytes
palette-alpha-zero.png 263868 bytes /c3 /f0 /d8 /n1
Kernel  Time =     0.015 =   17%
User    Time =     0.078 =   89%
Process Time =     0.093 =  107%    Virtual  Memory =     13 MB
Global  Time =     0.087 =  100%    Physical Memory =     11 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 =     0.046 =   86%
Process Time =     0.046 =   86%    Virtual  Memory =     10 MB
Global  Time =     0.054 =  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 =    5%
User    Time =     0.250 =   93%
Process Time =     0.265 =   99%    Virtual  Memory =     11 MB
Global  Time =     0.267 =  100%    Physical Memory =     14 MB
31667 bytes /c3 /f0 /d8 /n1 12024 bytes
palette-interlacing.png 205887 bytes /c3 /f0 /d8 /n15
Kernel  Time =     0.031 =    5%
User    Time =     0.593 =  100%
Process Time =     0.625 =  106%    Virtual  Memory =     15 MB
Global  Time =     0.588 =  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 =     0.406 =   95%
Process Time =     0.406 =   95%    Virtual  Memory =     15 MB
Global  Time =     0.427 =  100%    Physical Memory =     13 MB
211840 bytes /c3 /f0 /d8 /n40 14172 bytes
palette-sort-filter-11.png 224307 bytes /c3 /f0 /d8 /n29
Kernel  Time =     0.015 =    2%
User    Time =     0.656 =   99%
Process Time =     0.671 =  102%    Virtual  Memory =     15 MB
Global  Time =     0.658 =  100%    Physical Memory =     16 MB
208888 bytes /c3 /f0 /d8 /n8 15419 bytes
palette-sort-filter-16.png 974595 bytes /c3 /f0 /d8 /n45
Kernel  Time =     0.046 =    2%
User    Time =     2.046 =   99%
Process Time =     2.093 =  101%    Virtual  Memory =     86 MB
Global  Time =     2.056 =  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 =     0.000 =    0%
User    Time =     0.140 =   94%
Process Time =     0.140 =   94%    Virtual  Memory =     12 MB
Global  Time =     0.148 =  100%    Physical Memory =     10 MB
123560 bytes /c3 /f0 /d8 /n5 5557 bytes
palette-sort-filter-97.png 80730 bytes /c3 /f0 /d8 /n43
Kernel  Time =     0.000 =    0%
User    Time =     0.203 =   95%
Process Time =     0.203 =   95%    Virtual  Memory =     12 MB
Global  Time =     0.213 =  100%    Physical Memory =     10 MB
59390 bytes /c3 /f5 /d8 /n4 21340 bytes
palette-sort-filter-168.png 44127 bytes /c3 /f0 /d8 /n19
Kernel  Time =     0.015 =    7%
User    Time =     0.187 =   92%
Process Time =     0.203 =  100%    Virtual  Memory =     12 MB
Global  Time =     0.201 =  100%    Physical Memory =      9 MB
30402 bytes /c3 /f5 /d8 /n7 13725 bytes
palette-sterile.png 8526 bytes /c3 /f0 /d8 /n1
Kernel  Time =     0.000 =    0%
User    Time =     0.203 =  100%
Process Time =     0.203 =  100%    Virtual  Memory =     11 MB
Global  Time =     0.202 =  100%    Physical Memory =     10 MB
6334 bytes /c3 /f0 /d8 /n1 2192 bytes
palette-to-gray.png 76919 bytes /c3 /f0 /d8 /n6
Kernel  Time =     0.046 =   21%
User    Time =     0.187 =   84%
Process Time =     0.234 =  105%    Virtual  Memory =     11 MB
Global  Time =     0.222 =  100%    Physical Memory =     11 MB
46171 bytes /c3 /f5 /d8 /n4 30748 bytes
rgba-filter.png 1539276 bytes /c6 /f0 /n1021
Kernel  Time =     3.843 =   19%
User    Time =    15.453 =   79%
Process Time =    19.296 =   99%    Virtual  Memory =    128 MB
Global  Time =    19.321 =  100%    Physical Memory =    120 MB
900098 bytes /c6 /f0 /n52 639178 bytes
rgba-keep-alpha.png 175128 bytes /c6 /f0 /n60
Kernel  Time =     0.046 =    8%
User    Time =     0.484 =   90%
Process Time =     0.531 =   98%    Virtual  Memory =     15 MB
Global  Time =     0.537 =  100%    Physical Memory =     13 MB
19058 bytes /c6 /f5 /n5 156070 bytes
rgba-keep-rgba.png 402146 bytes /c6 /f0 /n2
Kernel  Time =     0.031 =    4%
User    Time =     0.593 =   92%
Process Time =     0.625 =   97%    Virtual  Memory =     15 MB
Global  Time =     0.643 =  100%    Physical Memory =     14 MB
81706 bytes /c6 /f5 /n16 320440 bytes
rgba-nofilter.png 137354 bytes /c6 /f0 /n11
Kernel  Time =     0.031 =    3%
User    Time =     0.812 =   97%
Process Time =     0.843 =  101%    Virtual  Memory =     15 MB
Global  Time =     0.833 =  100%    Physical Memory =     17 MB
102489 bytes /c6 /f0 /n7 34865 bytes
rgba-to-grayalpha.png 342336 bytes /c6 /f0 /n13
Kernel  Time =     0.078 =   12%
User    Time =     0.546 =   86%
Process Time =     0.625 =   98%    Virtual  Memory =     16 MB
Global  Time =     0.634 =  100%    Physical Memory =     15 MB
21397 bytes /c6 /f0 /n7 320939 bytes
rgba-to-gray-trns.png 532170 bytes /c6 /f0 /n13
Kernel  Time =     0.078 =   10%
User    Time =     0.671 =   87%
Process Time =     0.750 =   97%    Virtual  Memory =     17 MB
Global  Time =     0.765 =  100%    Physical Memory =     17 MB
31775 bytes /c6 /f0 /n8 500395 bytes
rgba-to-palette.png 210112 bytes /c6 /f4 /n9
Kernel  Time =     0.031 =    4%
User    Time =     0.625 =   97%
Process Time =     0.656 =  102%    Virtual  Memory =     16 MB
Global  Time =     0.637 =  100%    Physical Memory =     17 MB
71604 bytes /c3 /f0 /d8 /n9 138508 bytes
rgba-to-palette-filter.png 224894 bytes /c6 /f4 /n9
Kernel  Time =     0.000 =    0%
User    Time =     0.312 =   98%
Process Time =     0.312 =   98%    Virtual  Memory =     14 MB
Global  Time =     0.318 =  100%    Physical Memory =     11 MB
72917 bytes /c3 /f5 /d8 /n6 151977 bytes
rgba-to-palette-greylevel.png 139098 bytes /c6 /f4 /n9
Kernel  Time =     0.140 =   10%
User    Time =     1.343 =   96%
Process Time =     1.484 =  106%    Virtual  Memory =     18 MB
Global  Time =     1.392 =  100%    Physical Memory =     19 MB
62427 bytes /c4 /f0 /n5 76671 bytes
rgba-to-palette-greylevel-filter.png 621848 bytes /c6 /f0 /n22
Kernel  Time =     0.109 =   11%
User    Time =     0.796 =   86%
Process Time =     0.906 =   98%    Virtual  Memory =     18 MB
Global  Time =     0.920 =  100%    Physical Memory =     17 MB
66145 bytes /c6 /f0 /n10 555703 bytes
rgba-to-rgb.png 507990 bytes /c6 /f0 /n9
Kernel  Time =     0.000 =    0%
User    Time =     0.171 =   97%
Process Time =     0.171 =   97%    Virtual  Memory =     15 MB
Global  Time =     0.176 =  100%    Physical Memory =     12 MB
341456 bytes /c2 /f5 /n17 166534 bytes
rgba-to-rgb-trns.png 554331 bytes /c6 /f0 /n15
Kernel  Time =     0.015 =    1%
User    Time =     0.843 =   96%
Process Time =     0.859 =   98%    Virtual  Memory =     17 MB
Global  Time =     0.872 =  100%    Physical Memory =     18 MB
53386 bytes /c6 /f5 /n8 500945 bytes
rgb-huff.png 3219998 bytes /c2 /f0 /n8
Kernel  Time =     0.031 =    1%
User    Time =     2.968 =   98%
Process Time =     3.000 =  100%    Virtual  Memory =     44 MB
Global  Time =     2.998 =  100%    Physical Memory =     46 MB
1713645 bytes /c2 /f5 /n43 1506353 bytes
total savings 6243660 bytes
total time 41,86 seconds