gistfile1.txt

(an informal comparison of lzma compression times using easylzma, lzma utils, and lzip)

[lloydh@LloydBookPro test] $ lzma --version
LZMA command line tool 4.32.6
LZMA SDK 4.32

[lloydh@LloydBookPro test] $ lzip --version
Lzip 1.4
Copyright (C) 2009 Antonio Diaz Diaz.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

[lloydh@LloydBookPro test] $ time lzma sample.tar

real	1m1.770s
user	0m59.798s
sys	0m0.511s

[lloydh@LloydBookPro test] $ time lzip sample.tar.1 

real	0m56.264s
user	0m55.439s
sys	0m0.339s

[lloydh@LloydBookPro test] $ time ../Darwin/bin/elzma sample.tar.2 

real	0m30.350s
user	0m29.593s
sys	0m0.476s

[lloydh@LloydBookPro test] $ time ../Darwin/bin/elzma --lzip sample.tar.3

real	0m31.070s
user	0m29.986s
sys	0m0.511s

[lloydh@LloydBookPro test] $ time xz-4.999.8beta/src/xz/xz sample.tar.4

real	0m37.702s
user	0m36.672s
sys	0m0.435s

[lloydh@LloydBookPro test] $ time gzip sample.tar.5

real	0m4.424s
user	0m4.105s
sys	0m0.095s

[lloydh@LloydBookPro test] $ time bzip2 sample.tar.6 

real	0m12.842s
user	0m12.366s
sys	0m0.191s

[lloydh@LloydBookPro test] $ time ./xz_mt_simple 4 6 < sample.tar.7 > sample.tar.7.xz

real	0m21.684s
user	0m37.992s
sys	0m0.844s

[lloydh@LloydBookPro test] $ time gzip -9 sample.tar.8 

real	0m18.199s
user	0m17.306s
sys	0m0.187s

[lloydh@LloydBookPro test] $ time bzip2 -9 sample.tar.9 

real	0m12.750s
user	0m12.325s
sys	0m0.195s

[lloydh@LloydBookPro test] $ time ./xz_mt_simple 2 6 < sample.tar.10 > sample.tar.10.xz

real	0m26.317s
user	0m36.874s
sys	0m0.776s

[lloydh@LloydBookPro test] $ ls -lah
total 55152
drwxr-xr-x   5 lloydh  users   170B Feb  7 09:18 .
drwxr-xr-x  22 lloydh  users   748B Feb  7 09:15 ..
-rw-r--r--   1 lloydh  users   8.9M Feb  7 09:15 sample.tar.lzma
-rw-r--r--   1 lloydh  users   9.0M Feb  7 09:15 sample.tar.1.lz
-rw-r--r--   1 lloydh  users   9.0M Feb  7 09:18 sample.tar.2.lzma
-rw-r--r--   1 lloydh  users   9.0M Feb  7 09:20 sample.tar.3.lz
-rw-r--r--   1 lloydh  users   8.9M Feb  7 09:20 sample.tar.4.xz
-rw-r--r--   1 lloydh  users    16M Feb  7 09:15 sample.tar.5.gz
-rw-r--r--   1 lloydh  users    14M Feb  7 10:12 sample.tar.6.bz2
-rw-r--r--   1 lloydh  users   9.0M Feb  7 10:15 sample.tar.7.xz
-rw-r--r--   1 lloydh  users    16M Feb  7 10:19 sample.tar.8.gz
-rw-r--r--   1 lloydh  users    14M Feb  7 10:19 sample.tar.9.bz2
-rw-r--r--   1 lloydh  users   9.0M Feb  7 10:26 sample.tar.10.xz