MComp

I mentioned on the first page that WinRK would not be included in this benchmark; however, MComp, by the same author as WinRK, was available in command-line form. The tool offers a variety of compression algorithms, but the ROLZ-based options (which, if I understand correctly, are the same family as those used in WinRK’s format) produced runtime errors, and so they could not be counted.

NanoZip 0.07 alpha/Win64 - (C) 2008-2009 Sami Runsas - www.nanozip.net
 *** THIS IS AN EARLY ALPHA VERSION OF NANOZIP *** USE ONLY FOR TESTING ***
usage: nz.exe <command> -<switch 1> -<switch N> <archive_file> <files...>
e.g. nz.exe a -cO -m1.2g backup document1.txt document2.txt
 
 commands:
  a       add files to archive
  l       list contents of archive
  q       quick check archive for damage
  t       test archive (full decompression)
  x       extract files from archive
  w32c    create self-extracting archive (windows 32-bit console)
  info    information about host system
  help    show advanced help
  unix    show unix specific options
 switches:
  -                stop scanning switches
  r                recurse subdirectories
  c<n,f,F,d,       compressor: none, nz_lzpf, nz_lzpf_large, nz_lzhd,
    D,o,O,c>       nz_lzhds, nz_optimum1 (default), nz_optimum2, nz_cm
  s<n,e,a,s>       sort files before compression: no sorting,
                   by extension (default), by name, by size
  h<n,c,C,f>       checksum: none, crc16, crc32, fletcher16 (default)
  m<0...n>[k,m,g]  memory usage (approximate)
  nt               do not store timestamps
  np               do not store permissions
  nm               do not store metadata or redundancy (equals -nt -np -hn)
  sp               strip paths from files
  o<path>          output path
  y                yes to all queries
  v                verbose
  x<file>          exclude file(s)
MCOMP
Command 32-bit 64-bit Difference
Average -5.966%
mcomp -mb 149.168 134.379 -9.914%
mcomp -md 1388.830 1319.440 -4.996%
mcomp -md64 20741.721 18277.810 -11.879%
mcomp -mdlz 1389.812 1312.779 -5.543%
mcomp -mdf error error
mcomp -mdf3x error error
mcomp -mdp 1391.918 1318.660 -5.263%
mcomp -mdsl 1394.726 1315.010 -5.525%
mcomp -mdsm 1381.810 1318.192 -4.604%
mcomp -mdw 1394.180 1309.846 -6.049%

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§4991 · March 6, 2010 · Tags: , , ·

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