mirror of
https://git.code.sf.net/p/libpng/code.git
synced 2025-07-10 18:04:09 +02:00
[pngzop] Updated pngzop_references.html and removed some old results files.
This commit is contained in:
Glenn Randers-Pehrson
@@ -7,6 +7,9 @@
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Data_compression_using_Zopfli.pdf</a>
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<li><a href="http://zlib.net/pigz/">zlib.net/pigz</a> (parallel gzip)
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<li><a href="http://zlib.net/zlib/">zlib.net</a> (zlib/examples/zpipe.c)
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<li><a href="http://pmt.sourceforge.net/pngcrush/">pngcrush</a>
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<li><a href="http://libpng.sourceforge.net/>pngfix</a>
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(in contrib/tools of libpng-1.6.3 or later)
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</ul>
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</body>
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</html>
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@@ -1,211 +0,0 @@
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Corpus contains 1734 PNG files from mozilla hg repo
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5491004 total bytes (complete PNG files)
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5019516 total bytes (IDAT chunk data)
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35154779 total bytes uncompressed IDATs
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mogrify -strip *.png
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added vpAG, bKGD, and pHYs chunks. (was old mogrify)
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scooby> time q16mogrify -strip *.png
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real 0m13.500s user 0m13.057s sys 0m0.424s
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5061691 total bytes (complete PNG files)
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Corpus divided into two parts: small, stripped PNGs less than 1024 bytes,
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and large, stripped PNGs greater than or equal to 1024 bytes.
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pngcrush -brute -d BF_brute *.png
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CPU time decoding 35.690, encoding 255.190, other 19.960, total 310.840 seconds
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4738882 total bytes (complete PNG files)
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4281038 total bytes (IDAT chunk data)
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6850560 2013-03-02 22:04 mozilla-corpus.tar
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4995464 2013-03-02 22:04 ../mozilla-corpus.tar.xz (xz)
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4994412 2013-03-02 22:04 ../mozilla-corpus.tar.xz (xz -9)
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scooby> time gzip -9n *.idat
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real 0m5.553s user 0m5.344s sys 0m0.200s
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time gzip -d *.gz
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real 0m0.778s user 0m0.552s sys 0m0.224s
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scooby> time gzip -9n *.idat
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real 0m5.648s user 0m5.436s sys 0m0.200s
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4360009 total bytes (includes 20820 bytes of gzip overhead)
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4339189 total bytes (without 20820 bytes of gzip overhead)
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scooby> time gunzip *.idat.gz
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real 0m0.762s user 0m0.568s sys 0m0.188s
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scooby> time bzip2 *idat
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real 0m3.830s user 0m3.452s sys 0m0.320s
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4015342 total bytes
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scooby> time bzip2 -d *bz2
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real 0m1.011s user 0m0.716s sys 0m0.292s
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scooby> time xz *idat
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real 0m14.621s user 0m14.305s sys 0m0.236s
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3813468 total bytes
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scooby> time xz -d *.xz
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real 0m0.716s user 0m0.452s sys 0m0.256s
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scooby> nohup time zopfli --zlib *.idat &
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587.24user 0.40system 9:48.10elapsed
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4035633 total
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pngcrush -d PC_default *.png
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CPU time decoding 1.710, encoding 21.600, other 1.190, total 24.500 seconds
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4757749 total bytes (complete PNG files)
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4299905 total bytes (IDAT chunk data)
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scooby> time gzip -9n *.idat
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real 0m5.504s user 0m5.260s sys 0m0.236s
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4369829 total
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scooby> time gunzip *gz
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real 0m0.791s user 0m0.576s sys 0m0.212s
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scooby> time xz *.idat
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real 0m14.481s user 0m14.145s sys 0m0.308s
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3820192 total
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scooby> time xz -d *.xz
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real 0m0.693s user 0m0.468s sys 0m0.220s
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scooby> time bzip2 -9 *.idat
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real 0m3.603s user 0m3.220s sys 0m0.376s
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4022529 total
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scooby> time bzip2 -d *bz2
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real 0m0.989s user 0m0.732s sys 0m0.252s
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time zopfli --zlib *.idat
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590.4 sec
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4047719 total
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pngcrush -m 7 -force *.png # filter 0 level 9 strategy 0
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CPU time decoding 0.690, encoding 17.270, other 0.670, total 18.630 seconds
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5593778 total PNG size
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5136096 total IDAT size
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scooby> time gzip -n9 *.idat
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real 0m2.835s user 0m2.556s sys 0m0.268s
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5153307 total
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scooby> time gunzip *.gz
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real 0m0.800s user 0m0.524s sys 0m0.272s
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scooby> time gzip -n9 *.idat
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real 0m7.134s user 0m6.812s sys 0m0.200s
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4773010 total
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scooby> time gunzip *gz
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real 0m0.763s user 0m0.536s sys 0m0.224s
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scooby> time bzip2 -9 *.idat
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real 0m5.024s user 0m4.684s sys 0m0.308s
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4614708 total
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scooby> time bzip2 -d *.bz2
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real 0m1.033s user 0m0.732s sys 0m0.296s
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scooby> time xz *.idat
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real 0m12.970s user 0m12.673s sys 0m0.280s
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4138560 total
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scooby> time xz -d *xz
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real 0m0.758s user 0m0.476s sys 0m0.280s
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zopli --zlib *.png
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98.45user 0.47system 1:39.12elapsed 99%CPU (0avgtext+0avgdata 40192maxresident)k
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4864938
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pngcrush -m 6 -force *.png
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CPU time decoding 0.430, encoding 16.090, other 0.870, total 17.390 seconds
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4763290
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scooby> time gzip -n9 *.idat
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real 0m2.833s user 0m2.548s sys 0m0.236s
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4752190
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scooby> gunzip *gz
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real 0m0.767s user 0m0.580s sys 0m0.184s
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bzip2 -9
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real 0m2.523s user 0m2.164s sys 0m0.272s
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5492706 total
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scooby> time xz *.idat
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real 0m15.198s user 0m14.873s sys 0m0.272s
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4231288 total
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scooby> time xz -d *xz
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real 0m0.707s user 0m0.488s sys 0m0.216s
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zopfli
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91.32user 0.62system 1:32.02elapsed
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5153680
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nohup time pngcrush -brute -reduce -force -d PC_reduced *.png&
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CPU time decoding 36.160, encoding 244.460, other 16.910, total 297.530 seconds
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4108911
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time gzip -9n *.idat
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real 0m5.315s user 0m5.068s sys 0m0.240s
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4187025 total
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time gunzip *.gz
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real 0m0.766s user 0m0.512s sys 0m0.252s
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scooby> time bzip2 -9 *.idat
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real 0m3.618s user 0m3.220s sys 0m0.328s
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3844856 total
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scooby> time xz *.idat
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real 0m14.098s user 0m13.753s sys 0m0.284s
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3651752 total
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zopfli
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81.01user 0.45system 1:21.59elapsed
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Summary:
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Method time IDAT bytes
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original files n/a 5019516
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pngcrush -brute 310.8 4281038
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gzip -9n 5.6 4339189
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zopfli --zlib 596.7 4035633
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bzip2 -9 3.8 4015342
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xz 14.6 3813468
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pngcrush default 24.5 4299905
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gzip -9n 5.5 4349009
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zopfli --zlib 590.4 4047719
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bzip2 -9 3.6 4022529
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xz 14.5 3820192
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pngcrush none 18.6 5136096
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zopfli --zlib 98.9 4864938
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gzip -n9 2.8 5132487
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bzip2 -9 3.8 4614708
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xz 12.8 4138560
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pngcrush adaptive 17.4 4763290
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zopfli --zlib 99.0 5153680
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gzip -n9 2.8 4752190
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bzip2 -9 2.6 5492706
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xz 15.2 4231288
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pngcrush -reduce 297.5 4108911
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gzip -9n 5.3 4187025
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zopfli --zlib 81.5 4461661
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bzip2 -9 3.6 3844856
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xz 13.8 3651752
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Kodak 24 test images (some rotated to portrait)
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time zopfli --zlib *.idat
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real 2m52.325s user 2m52.107s sys 0m0.060s
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kodim*.png 15249498 total
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kodim*.zdat 15246402 total
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kodim*.zlib 14717411 total
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Size range pngcrush zopfli z/pc
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0-200 11818 11618 .9831
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201-1000 140290 136015 .9695
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1001-10000 1040052 1000877 .9623
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10001-200000 2756452 2568988 .9320
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300000-450000 332611 318047 .9562
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450001-999999 15246402 14717411 .9653
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@@ -1,171 +0,0 @@
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a
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/scratch/glennrp/ZZ/a
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pngcrush
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0.28user 0.13system 0:00.42elapsed 97%CPU (0avgtext+0avgdata 7616maxresident)k
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856inputs+3032outputs (1major+13991minor)pagefaults 0swaps
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895 1631 46623 total
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pngcrush -brute
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6.60user 1.45system 0:08.10elapsed 99%CPU (0avgtext+0avgdata 7632maxresident)k
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0inputs+3032outputs (0major+143660minor)pagefaults 0swaps
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914 1660 46368 total
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pngzop_pngcrush
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15.60user 5.94system 0:27.81elapsed 77%CPU (0avgtext+0avgdata 17104maxresident)k
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256inputs+9624outputs (1major+5472314minor)pagefaults 0swaps
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900 1658 46145 total
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pngzop_brute
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119.13user 38.43system 0:43.11elapsed 365%CPU (0avgtext+0avgdata 17200maxresident)k
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16inputs+63808outputs (0major+28282648minor)pagefaults 0swaps
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907 1666 46139 total
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b
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/scratch/glennrp/ZZ/b
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pngcrush
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1.09user 0.20system 0:01.30elapsed 99%CPU (0avgtext+0avgdata 7584maxresident)k
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0inputs+5848outputs (0major+40961minor)pagefaults 0swaps
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2655 7715 354086 total
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pngcrush -brute
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17.20user 3.74system 0:21.02elapsed 99%CPU (0avgtext+0avgdata 7584maxresident)k
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0inputs+5840outputs (0major+816211minor)pagefaults 0swaps
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2627 7592 351517 total
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pngzop_pngcrush
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57.00user 10.76system 1:19.73elapsed 84%CPU (0avgtext+0avgdata 14352maxresident)k
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0inputs+18976outputs (0major+10346028minor)pagefaults 0swaps
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2609 7379 347229 total
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pngzop_brute
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371.07user 67.23system 1:53.12elapsed 387%CPU (0avgtext+0avgdata 14432maxresident)k
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0inputs+125536outputs (0major+53809985minor)pagefaults 0swaps
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2579 7340 346825 total
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c
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/scratch/glennrp/ZZ/c
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pngcrush
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2.27user 0.24system 0:02.53elapsed 99%CPU (0avgtext+0avgdata 7648maxresident)k
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80inputs+3904outputs (0major+44991minor)pagefaults 0swaps
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4423 18786 862928 total
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pngcrush -brute
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35.26user 2.58system 0:37.93elapsed 99%CPU (0avgtext+0avgdata 7648maxresident)k
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0inputs+3896outputs (0major+408699minor)pagefaults 0swaps
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4361 18766 858463 total
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pngzop_pngcrush
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104.93user 7.65system 2:00.50elapsed 93%CPU (0avgtext+0avgdata 72224maxresident)k
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0inputs+17576outputs (0major+7394969minor)pagefaults 0swaps
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4218 18601 838686 total
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pngzop_brute
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658.97user 49.82system 2:52.64elapsed 410%CPU (0avgtext+0avgdata 72304maxresident)k
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0inputs+114424outputs (0major+40850802minor)pagefaults 0swaps
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4257 18413 837426 total
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d
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/scratch/glennrp/ZZ/d
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pngcrush
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9.19user 0.21system 0:09.42elapsed 99%CPU (0avgtext+0avgdata 7680maxresident)k
|
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0inputs+3992outputs (0major+116721minor)pagefaults 0swaps
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7364 41546 1903162 total
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pngcrush -brute
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116.36user 3.20system 1:59.67elapsed 99%CPU (0avgtext+0avgdata 7664maxresident)k
|
||||
0inputs+3992outputs (0major+1804892minor)pagefaults 0swaps
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7350 41372 1895523 total
|
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pngzop_pngcrush
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442.75user 3.94system 7:28.62elapsed 99%CPU (0avgtext+0avgdata 63888maxresident)k
|
||||
0inputs+35920outputs (0major+3546630minor)pagefaults 0swaps
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6962 39478 1767997 total
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pngzop_brute
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2439.72user 20.39system 7:48.45elapsed 525%CPU (0avgtext+0avgdata 80224maxresident)k
|
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32inputs+230680outputs (0major+15883572minor)pagefaults 0swaps
|
||||
6976 39490 1767559 total
|
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|
||||
e
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/scratch/glennrp/ZZ/e
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pngcrush
|
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2.14user 0.00system 0:02.15elapsed 99%CPU (0avgtext+0avgdata 7312maxresident)k
|
||||
0inputs+656outputs (0major+1986minor)pagefaults 0swaps
|
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1455 8129 335339 ie_pc.png
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pngcrush -brute
|
||||
19.64user 0.09system 0:19.75elapsed 99%CPU (0avgtext+0avgdata 7360maxresident)k
|
||||
0inputs+656outputs (0major+31375minor)pagefaults 0swaps
|
||||
432 4399 332668 ie_bf.png
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pngzop_pngcrush
|
||||
40.27user 0.01system 0:40.33elapsed 99%CPU (0avgtext+0avgdata 74320maxresident)k
|
||||
0inputs+5152outputs (0major+13657minor)pagefaults 0swaps
|
||||
940 6117 317125 ie_pngzop.png
|
||||
pngzop_brute
|
||||
239.30user 0.14system 0:43.02elapsed 556%CPU (0avgtext+0avgdata 82912maxresident)k
|
||||
0inputs+32960outputs (0major+66496minor)pagefaults 0swaps
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||||
940 6117 317125 ie_pngzop_brute.png
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|
||||
f
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/scratch/glennrp/ZZ/f
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pngcrush
|
||||
10.48user 0.05system 0:10.55elapsed 99%CPU (0avgtext+0avgdata 7600maxresident)k
|
||||
0inputs+8544outputs (0major+12446minor)pagefaults 0swaps
|
||||
16040 88064 4357651 total
|
||||
pngcrush -brute
|
||||
143.58user 0.68system 2:24.40elapsed 99%CPU (0avgtext+0avgdata 7456maxresident)k
|
||||
0inputs+8520outputs (0major+247399minor)pagefaults 0swaps
|
||||
16087 89458 4346809 total
|
||||
pngzop_pngcrush
|
||||
111.85user 0.22system 1:52.24elapsed 99%CPU (0avgtext+0avgdata 64464maxresident)k
|
||||
0inputs+35216outputs (0major+103379minor)pagefaults 0swaps
|
||||
15330 87361 4167473 total
|
||||
pngzop_brute
|
||||
538.88user 1.01system 1:38.01elapsed 550%CPU (0avgtext+0avgdata 80528maxresident)k
|
||||
0inputs+235432outputs (0major+386614minor)pagefaults 0swaps
|
||||
15330 87361 4167473 total
|
||||
|
||||
g
|
||||
/scratch/glennrp/ZZ/g
|
||||
pngcrush
|
||||
9.18user 0.05system 0:09.24elapsed 99%CPU (0avgtext+0avgdata 7456maxresident)k
|
||||
0inputs+11160outputs (0major+13841minor)pagefaults 0swaps
|
||||
20369 116425 5694210 total
|
||||
pngcrush -brute
|
||||
135.51user 0.87system 2:16.51elapsed 99%CPU (0avgtext+0avgdata 7456maxresident)k
|
||||
0inputs+11128outputs (0major+277945minor)pagefaults 0swaps
|
||||
20572 116699 5676667 total
|
||||
pngzop_pngcrush
|
||||
103.02user 0.25system 1:43.37elapsed 99%CPU (0avgtext+0avgdata 68976maxresident)k
|
||||
0inputs+42632outputs (0major+103176minor)pagefaults 0swaps
|
||||
20331 115203 5447000 total
|
||||
pngzop_brute
|
||||
525.62user 1.00system 1:34.61elapsed 556%CPU (0avgtext+0avgdata 83728maxresident)k
|
||||
0inputs+284472outputs (0major+451658minor)pagefaults 0swaps
|
||||
20444 117512 5440483 total
|
||||
|
||||
h
|
||||
/scratch/glennrp/ZZ/h
|
||||
pngcrush
|
||||
5.31user 0.03system 0:05.35elapsed 99%CPU (0avgtext+0avgdata 7616maxresident)k
|
||||
0inputs+10312outputs (0major+11047minor)pagefaults 0swaps
|
||||
19671 112525 5263535 total
|
||||
pngcrush -brute
|
||||
86.52user 0.71system 1:27.32elapsed 99%CPU (0avgtext+0avgdata 7456maxresident)k
|
||||
0inputs+10240outputs (0major+216611minor)pagefaults 0swaps
|
||||
19547 109623 5225980 total
|
||||
pngzop_pngcrush
|
||||
67.07user 0.17system 1:07.29elapsed 99%CPU (0avgtext+0avgdata 78944maxresident)k
|
||||
0inputs+36376outputs (0major+84000minor)pagefaults 0swaps
|
||||
18817 106842 5077291 total
|
||||
pngzop_brute
|
||||
363.02user 0.84system 1:04.50elapsed 564%CPU (0avgtext+0avgdata 80912maxresident)k
|
||||
0inputs+243320outputs (0major+347055minor)pagefaults 0swaps
|
||||
18977 107006 5077025 total
|
||||
|
||||
i
|
||||
/scratch/glennrp/ZZ/i
|
||||
pngcrush
|
||||
7.63user 0.04system 0:07.68elapsed 99%CPU (0avgtext+0avgdata 7552maxresident)k
|
||||
0inputs+1768outputs (0major+11345minor)pagefaults 0swaps
|
||||
3365 19152 888909 total
|
||||
pngcrush -brute
|
||||
70.08user 0.54system 1:10.69elapsed 99%CPU (0avgtext+0avgdata 7392maxresident)k
|
||||
0inputs+1760outputs (0major+215227minor)pagefaults 0swaps
|
||||
3339 19069 888023 total
|
||||
pngzop_pngcrush
|
||||
203.64user 0.25system 3:24.19elapsed 99%CPU (0avgtext+0avgdata 257024maxresident)k
|
||||
0inputs+21824outputs (0major+179439minor)pagefaults 0swaps
|
||||
3123 17887 828950 total
|
||||
pngzop_brute
|
||||
1162.93user 1.66system 3:44.79elapsed 518%CPU (0avgtext+0avgdata 280768maxresident)k
|
||||
0inputs+138608outputs (0major+1071825minor)pagefaults 0swaps
|
||||
3215 17897 827208 total
|
||||
@@ -1,47 +0,0 @@
|
||||
|
||||
Scooby results with zopfli --I25:
|
||||
|
||||
a pngcrush 0.28user 0.13system 0:00.42elapsed 46623 total
|
||||
pngcrush -brute 6.60user 1.45system 0:08.10elapsed 46368 total
|
||||
pngzop_pngcrush 15.60user 5.94system 0:27.81elapsed 46145 total
|
||||
pngzop_brute 119.13user 38.43system 0:43.11elapsed 46139 total
|
||||
|
||||
b pngcrush 1.09user 0.20system 0:01.30elapsed 354086 total
|
||||
pngcrush -brute 17.20user 3.74system 0:21.02elapsed 351517 total
|
||||
pngzop_pngcrush 57.00user 10.76system 1:19.73elapsed 347229 total
|
||||
pngzop_brute 371.07user 67.23system 1:53.12elapsed 346825 total
|
||||
|
||||
c pngcrush 2.27user 0.24system 0:02.53elapsed 862928 total
|
||||
pngcrush -brute 35.26user 2.58system 0:37.93elapsed 858463 total
|
||||
pngzop_pngcrush 104.93user 7.65system 2:00.50elapsed 838686 total
|
||||
pngzop_brute 658.97user 49.82system 2:52.64elapsed 837426 total
|
||||
|
||||
d pngcrush 9.19user 0.21system 0:09.42elapsed 1903162 total
|
||||
pngcrush -brute 116.36user 3.20system 1:59.67elapsed 1895523 total
|
||||
pngzop_pngcrush 442.75user 3.94system 7:28.62elapsed 1767997 total
|
||||
pngzop_brute 2439.72user 20.39system 7:48.45elapsed 1767559 total
|
||||
|
||||
e pngcrush 2.14user 0.00system 0:02.15elapsed 335339 ie_pc.png
|
||||
pngcrush -brute 19.64user 0.09system 0:19.75elapsed 332668 ie_bf.png
|
||||
pngzop_pngcrush 40.27user 0.01system 0:40.33elapsed 317125 ie_pngzop.png
|
||||
pngzop_brute 239.30user 0.14system 0:43.02elapsed 317125 ie_pngzop_brute.png
|
||||
|
||||
f pngcrush 10.48user 0.05system 0:10.55elapsed 4357651 total
|
||||
pngcrush -brute143.58user 0.68system 2:24.40elapsed 4346809 total
|
||||
pngzop_pngcrush111.85user 0.22system 1:52.24elapsed 4167473 total
|
||||
pngzop_brute 538.88user 1.01system 1:38.01elapsed 4167473 total
|
||||
|
||||
g pngcrush 9.18user 0.05system 0:09.24elapsed 5694210 total
|
||||
pngcrush -brute 135.51user 0.87system 2:16.51elapsed 5676667 total
|
||||
pngzop_pngcrush 103.02user 0.25system 1:43.37elapsed 5447000 total
|
||||
pngzop_brute 525.62user 1.00system 1:34.61elapsed 5440483 total
|
||||
|
||||
h pngcrush 5.31user 0.03system 0:05.35elapsed 5263535 total
|
||||
pngcrush -brute 86.52user 0.71system 1:27.32elapsed 5225980 total
|
||||
pngzop_pngcrush 67.07user 0.17system 1:07.29elapsed 5077291 total
|
||||
pngzop_brute 363.02user 0.84system 1:04.50elapsed 5077025 total
|
||||
|
||||
i pngcrush 7.63user 0.04system 0:07.68elapsed 888909 total
|
||||
pngcrush -brute 70.08user 0.54system 1:10.69elapsed 888023 total
|
||||
pngzop_pngcrush 203.64user 0.25system 3:24.19elapsed 828950 total
|
||||
pngzop_brute 1162.93user 1.66system 3:44.79elapsed 827208 total
|
||||
Reference in New Issue
Block a user