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compress.txt
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compress.txt
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Comparison of some size/time for compression of large directories.
Sorting is by size, if size is equal by time
MB Core2 I3 Athlon
/usr/lib/libreoffice:
uncompressed 292
xz -Xbcj x86 92 3:02
xz 97 1:29
lzma 97 1:22
gzip 114 38
lzo -Xcompression-level 9 125 1:04
lzo 125 52
lz4 -Xhc 134 10
lz4 157 2
The gentoo repository (including some overlays):
uncompressed 332
xz 77 2:01
xz -Xbcj x86 77 3:20
lzma 77 1:45
gzip 90 53
lzo -Xcompression-level 9 105 1:03
lzo 105 59
lz4 -Xhc 112 53
lz4 137 51
Gentoo's database of installed packages (/var/db):
uncompressed 78
xz -Xbcj x86 44 2:51 1:46 6:46
xz 44 3:50 1:48 4:44
lzma 44 3:11 1:47 4:24
gzip 46 18 9 55
lzo -Xcompression-level 9 48 11 6 55
lzo 48 11 6 54
lz4 -Xhc 49 6 3 27
lz4 51 4 3 22
Kernel sources with some .o files:
uncompressed 796
xz -Xbcj x86 151 7:59 3:29
xz 151 4:13 1:44
lzma 153 5:39 1:25
gzip 181 1:24 39
lzo -Xcompression-level 9 203 2:15 1:06
lzo 204 1:49 52
lz4 -Xhc 214 34 13
lz4 282 18 6
/usr/share/texmf-dist:
uncompressed 2053
xz -Xbcj x86 1349 7:41
xz 1349 4:11
lzma 1351 3:20
gzip 1397 49
lzo -Xcompression-level 9 1425 1:37
lzo 1425 1:33
lz4 -Xhc 1443 31
lz4 1506 11
/usr/share/games:
uncompressed 749
xz -Xbcj x86 502 2:51
xz 502 1:20
lzma 502 1:11
gzip 521 31
lzo -Xcompression-level 9 536 54
lzo 536 44
lz4 -Xhc 543 16
lz4 570 6