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diff --git a/src/libs/7zip/unix/DOCS/MANUAL/switches/large_pages.htm b/src/libs/7zip/unix/DOCS/MANUAL/switches/large_pages.htm new file mode 100644 index 000000000..82fd5b77d --- /dev/null +++ b/src/libs/7zip/unix/DOCS/MANUAL/switches/large_pages.htm @@ -0,0 +1,50 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> +<HTML> +<HEAD> + <META http-equiv="Content-Type" content="text/html; charset=Windows-1252"> + <TITLE>-slp (Set Large Pages mode) switch</TITLE> + <LINK href="style.css" rel="stylesheet" type="text/css"> +</HEAD> + +<BODY> + +<H1>-slp (Set Large Pages mode) switch</H1> + +<P>Sets Large Pages mode.</P> + +<H4>Syntax</H4> + +<PRE class="syntax"> +-slp[-] +</PRE> + + +<TABLE> + <TR><TH width="80">Switch</TH> <TH>Description</TH></TR> + <TR><TD>-slp</TD> <TD>Enables Large Pages mode.</TD></TR> + <TR><TD>-slp-</TD> <TD>Disables Large Pages mode. This option is default for all commands.</TD></TR> +</TABLE> + +<P>Large Pages mode increases the speed of compression. +However, there is a pause at the start of compression while 7-Zip allocates the large pages in memory. +If 7-Zip can't allocate large pages, it allocates usual small pages. +Also, the Windows Task Manager doesn't show the real memory usage of the program, if 7-Zip uses large pages. +This feature works only on Windows 2003 / XP x64. +Also, it requires administrator's rights for your system. +The recommended size of RAM for this feature is 1 GB or more. +To install this feature, you must run the 7-Zip File Manager at least once, +close it, and then reboot the system.</P> +<P>Your system can hang for several seconds at compressing starting, if you use -slp mode. +So it's not recommended to use -slp mode to compress small data sets (less than 100 MB).</P> + + +<H4>Example</H4> + +<PRE class="example"> +7z a archive.7z -slp a.iso +</PRE> + +<P>compresses <SPAN class="filename">a.iso</SPAN> file with Large Pages mode switched on.</P> + +</BODY> +</HTML> |