| Server IP : 85.214.239.14 / Your IP : 3.147.51.72 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/2/task/2/cwd/proc/2/cwd/usr/share/doc/p7zip/DOC/MANUAL/general/ |
Upload File : |
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=Windows-1252">
<TITLE>Performance</TITLE>
<LINK href="style.css" rel="stylesheet" type="text/css">
</HEAD>
<BODY>
<H1>Performance</H1>
<H4>ZIP Format</H4>
<P>Compression ratio results are very dependent upon the data used for
the tests. We compared 7-Zip with some of the leading
commercial archivers: PKZIP 2.04g, WinZip 7.0.</P>
<P>FILE SET: The Canterbury Corpus (11 files totaling 2,810,784 bytes,
popular file set used to compression rates).</P>
<TABLE>
<TR>
<TH>Archiver</TH>
<TH>Compressed size</TH>
<TH>Ratio</TH>
</TR>
<TR>
<TD><B>7-Zip (zip format)</B></TD>
<TD><B>676284</B></TD>
<TD><B>100%</B></TD>
</TR>
<TR>
<TD>PKZIP 2.04g -ex</TD>
<TD>726047</TD>
<TD>107%</TD>
</TR>
<TR>
<TD>WinZip 7.0 (Max)</TD>
<TD>731499</TD>
<TD>108%</TD>
</TR>
</TABLE>
<H4>7z Format</H4>
<P>7z is the new archive format, providing a high compression ratio.</P>
<P>FILE SET: The GIMP 1.2.4 for Windows after full installation
(127 subfolders, 1304 files totaling 27,128,826 bytes).
The GIMP is the GNU Image Manipulation Program. It can be downloaded from
www.gimp.org.</P>
<TABLE>
<TR>
<TH>Archiver</TH>
<TH>Compressed size</TH>
<TH>Ratio</TH>
</TR>
<TR>
<TD><B>7-Zip (7z format)</B></TD>
<TD><B>5445402</B></TD>
<TD><B>100%</B></TD>
</TR>
<TR>
<TD>WinRAR 3.10</TD>
<TD>6004155</TD>
<TD>110%</TD>
</TR>
<TR>
<TD>WinAce 2.3</TD>
<TD>6242424</TD>
<TD>115%</TD>
</TR>
<TR>
<TD>CABARC 1.0</TD>
<TD>6455327</TD>
<TD>119%</TD>
</TR>
<TR>
<TD><B>7-Zip (zip format)</B></TD>
<TD><B>9461621</B></TD>
<TD><B>174%</B></TD>
</TR>
<TR>
<TD>PKZIP 2.50</TD>
<TD>9842800</TD>
<TD>181%</TD>
</TR>
</TABLE>
<H4>GZIP Format</H4>
<P>7-Zip provides the best compression ratio for GZIP format. The compression ratio
is equal to its compression ratio for ZIP format (above).</P>
</BODY>
</HTML>