diff options
| author | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
|---|---|---|
| committer | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
| commit | 0ea5fc66924303d1bf73ba283a383e2aadee02f2 (patch) | |
| tree | 2568e71a7ccc44ec23b8bb3f0ff97fb6bf2ed709 /docs/doxygen/nel/classNLMISC_1_1CFastMem.html | |
| download | nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.tar.xz nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.zip | |
Initial commit
Diffstat (limited to '')
| -rw-r--r-- | docs/doxygen/nel/classNLMISC_1_1CFastMem.html | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/docs/doxygen/nel/classNLMISC_1_1CFastMem.html b/docs/doxygen/nel/classNLMISC_1_1CFastMem.html new file mode 100644 index 00000000..e2a1ebc3 --- /dev/null +++ b/docs/doxygen/nel/classNLMISC_1_1CFastMem.html @@ -0,0 +1,286 @@ +<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> +<HTML> +<HEAD> + <TITLE>nevrax.org : docs</TITLE> + <LINK REL=stylesheet TYPE="text/css" HREF="http://www.nevrax.org/inc/css/nevrax.css"> + <link href="doxygen.css" rel="stylesheet" type="text/css"> +</HEAD> +<BODY MARGINHEIGHT="0" MARGINWIDTH="0"> + +<!-- uplinks --> +<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0> + <TR> + <TD WIDTH=16><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD> + <TD WIDTH=140 BGCOLOR=#dddddd><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="16" BORDER=0 ALT=""></TD> + <TD WIDTH=16><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD> + <TD><IMG width=6 height=14 SRC="http://www.nevrax.org/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=http://www.nevrax.org><b>Home</B></FONT></A> </TD> + <TD><IMG width=6 height=14 SRC="http://www.nevrax.org/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=http://www.nevrax.com><b>nevrax.com</B></FONT></A> </TD> + </TR> +</TABLE> + +<!-- banner Nevrax --> +<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 WIDTH=100%> + <TR><TD BGCOLOR="#000000" BACKGROUND="http://www.nevrax.org/inc/img/black_banner.jpg"><A HREF="http://www.nevrax.org"><IMG SRC="http://www.nevrax.org/inc/img/nevrax.gif" WIDTH="170" HEIGHT="45" BORDER=0 ALT="Nevrax" ></A></TD></TR> +</TABLE> + +<!-- main table --> +<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 height=100%> + <TR> + <TD WIDTH=16><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="10" BORDER=0 ALT=""></TD> + <TD WIDTH=140 BGCOLOR=#dddddd VALIGN=TOP ALIGN=middle><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT=""> + + <!------ Begin Box ------> + <TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR=black><TR><TD><TABLE border=0 cellspacing=2 cellpadding=0 width=120><tr><TD ALIGN=middle bgcolor=black> + <FONT COLOR=white FACE="sans-serif"><B>Nevrax.org</B></FONT></TD></TR><tr><td colspan=2 bgcolor=#FFFFFF> + <TABLE cellspacing=0 cellpadding=1 border=0> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/news/" TITLE="Rubrique news"><img width=13 height=15 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-news.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/news/" TITLE="News">News</a></td></tr> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/mail/" TITLE="Rubrique mail"><img width=15 height=11 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-mail.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/mail/" TITLE="Mailing list archive">Mailing-list</a></td></tr> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/docs/" TITLE="Rubrique docs"><img width=14 height=16 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-docs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/docs/" TITLE="Documentation">Documentation</a></td></tr> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/cvs/" TITLE="Rubrique cvs"><img width=13 height=17 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-cvs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/cvs/" TITLE="CVS Web">CVS</a></td></tr> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/bugs/" TITLE="Rubrique bugs"><img width=20 height=16 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-bugs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/bugs/" TITLE="Bugtracking">Bugs</a></td></tr> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/GPL.php3" TITLE="Rubrique license"><img width=18 height=12 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-gpl.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/GPL.php3" TITLE="License">License</a></td></tr> + </TABLE> + </TD></TR></TABLE></TD></TR></TABLE> + <!------ End Box ------> + + </TD> + <TD WIDTH=15><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD> + <TD ALIGN=left valign=top><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT=""> + +<!-- title --> +<TABLE background="http://www.nevrax.org/inc/img/redline.gif" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td> +<A HREF="http://www.nevrax.org/docs/"><img src="http://www.nevrax.org/inc/img/t_docs.gif" ALT="Docs" HEIGHT=20 BORDER=0></A> +</td><td><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="1" HEIGHT="1" BORDER=0 ALT=""> +</td></tr></table> + + +<!-- block --> +<TABLE bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="http://www.nevrax.org/inc/img/reddots.gif"></TD> + <TD><B>Documentation</B></TD> + <TD ALIGN=RIGHT> </td> +</tr></table> +<!-- Generated by Doxygen 1.2.14 --> +<center> +<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>NLMISC::CFastMem Class Reference</h1>Functions for Fast Memory manipulation with Pentium-class processors. +<a href="#_details">More...</a> +<p> +<code>#include <<a class="el" href="fast__mem_8h-source.html">fast_mem.h</a>></code> +<p> +<a href="classNLMISC_1_1CFastMem-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0> +<tr><td colspan=2><br><h2>Static Public Methods</h2></td></tr> +<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classNLMISC_1_1CFastMem.html#d0">precache</a> (const void *<a class="el" href="driver__opengl__extension__def_8h.html#a409">src</a>, <a class="el" href="memory__common_8h.html#a15">uint</a> nbytes)</td></tr> +<tr><td> </td><td><font size=-1><em>Fast precaching of memory in L1 cache using SSE or MMX where available (NB: others methods don't do the test) nbytes should not override 4K.</em> <a href="#d0">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top>void * </td><td valign=bottom><a class="el" href="classNLMISC_1_1CFastMem.html#d1">memcpySSE</a> (void *dst, const void *<a class="el" href="driver__opengl__extension__def_8h.html#a409">src</a>, size_t nbytes)</td></tr> +<tr><td> </td><td><font size=-1><em>Fast memcpy using SSE instructions: prefetchnta and movntq.</em> <a href="#d1">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classNLMISC_1_1CFastMem.html#d2">precacheSSE</a> (const void *<a class="el" href="driver__opengl__extension__def_8h.html#a409">src</a>, <a class="el" href="memory__common_8h.html#a15">uint</a> nbytes)</td></tr> +<tr><td> </td><td><font size=-1><em>Fast precaching of memory in L1 cache using MMX/SSE instructions: movq and prefetchnta Result is typically 880 Mo/s (surely slower because of overhead).</em> <a href="#d2">More...</a><em></em></font><br><br></td></tr> +<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classNLMISC_1_1CFastMem.html#d3">precacheMMX</a> (const void *<a class="el" href="driver__opengl__extension__def_8h.html#a409">src</a>, <a class="el" href="memory__common_8h.html#a15">uint</a> nbytes)</td></tr> +<tr><td> </td><td><font size=-1><em>Fast precaching of memory in L1 cache using MMX instructions only: movq Result is typically 720 Mo/s (surely slower because of overhead).</em> <a href="#d3">More...</a><em></em></font><br><br></td></tr> +</table> +<hr><a name="_details"></a><h2>Detailed Description</h2> +Functions for Fast Memory manipulation with Pentium-class processors. +<p> +From <a href="http://www.sgi.com/developers/technology/irix/resources/asc_cpu.html">http://www.sgi.com/developers/technology/irix/resources/asc_cpu.html</a> <dl compact><dt><b> +Author: </b><dd> +Lionel Berenguier , Nevrax France </dl><dl compact><dt><b> +Date: </b><dd> +2002 </dl> +<p> + +<p> +Definition at line <a class="el" href="fast__mem_8h-source.html#l00044">44</a> of file <a class="el" href="fast__mem_8h-source.html">fast_mem.h</a>.<hr><h2>Member Function Documentation</h2> +<a name="d1" doxytag="NLMISC::CFastMem::memcpySSE"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> void * NLMISC::CFastMem::memcpySSE </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">void * </td> + <td class="mdname" nowrap> <em>dst</em>, </td> + </tr> + <tr> + <td></td> + <td></td> + <td class="md" nowrap>const void * </td> + <td class="mdname" nowrap> <em>src</em>, </td> + </tr> + <tr> + <td></td> + <td></td> + <td class="md" nowrap>size_t </td> + <td class="mdname" nowrap> <em>nbytes</em></td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"><code> [static]</code></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Fast memcpy using SSE instructions: prefetchnta and movntq. +<p> +Can be called only if SSE and MMX is supported NB: Copy per block of 4K through L1 cache Result is typically 420 Mo/s instead of 150 Mo/s. +<p> +Definition at line <a class="el" href="fast__mem_8cpp-source.html#l00205">205</a> of file <a class="el" href="fast__mem_8cpp-source.html">fast_mem.cpp</a>. +<p> +References <a class="el" href="driver__opengl__extension__def_8h-source.html#l00820">src</a>. </td> + </tr> +</table> +<a name="d0" doxytag="NLMISC::CFastMem::precache"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> void NLMISC::CFastMem::precache </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">const void * </td> + <td class="mdname" nowrap> <em>src</em>, </td> + </tr> + <tr> + <td></td> + <td></td> + <td class="md" nowrap><a class="el" href="memory__common_8h.html#a15">uint</a> </td> + <td class="mdname" nowrap> <em>nbytes</em></td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"><code> [static]</code></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Fast precaching of memory in L1 cache using SSE or MMX where available (NB: others methods don't do the test) nbytes should not override 4K. +<p> + +<p> +Definition at line <a class="el" href="fast__mem_8cpp-source.html#l00218">218</a> of file <a class="el" href="fast__mem_8cpp-source.html">fast_mem.cpp</a>. +<p> +References <a class="el" href="driver__opengl__extension__def_8h-source.html#l00820">src</a>. </td> + </tr> +</table> +<a name="d3" doxytag="NLMISC::CFastMem::precacheMMX"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> void NLMISC::CFastMem::precacheMMX </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">const void * </td> + <td class="mdname" nowrap> <em>src</em>, </td> + </tr> + <tr> + <td></td> + <td></td> + <td class="md" nowrap><a class="el" href="memory__common_8h.html#a15">uint</a> </td> + <td class="mdname" nowrap> <em>nbytes</em></td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"><code> [static]</code></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Fast precaching of memory in L1 cache using MMX instructions only: movq Result is typically 720 Mo/s (surely slower because of overhead). +<p> +Hence prefer <a class="el" href="classNLMISC_1_1CFastMem.html#d2">precacheSSE</a>() when available. nbytes should not override 4K +<p> +Definition at line <a class="el" href="fast__mem_8cpp-source.html#l00214">214</a> of file <a class="el" href="fast__mem_8cpp-source.html">fast_mem.cpp</a>. +<p> +References <a class="el" href="driver__opengl__extension__def_8h-source.html#l00820">src</a>. </td> + </tr> +</table> +<a name="d2" doxytag="NLMISC::CFastMem::precacheSSE"></a><p> +<table width="100%" cellpadding="2" cellspacing="0" border="0"> + <tr> + <td class="md"> + <table cellpadding="0" cellspacing="0" border="0"> + <tr> + <td class="md" nowrap valign="top"> void NLMISC::CFastMem::precacheSSE </td> + <td class="md" valign="top">( </td> + <td class="md" nowrap valign="top">const void * </td> + <td class="mdname" nowrap> <em>src</em>, </td> + </tr> + <tr> + <td></td> + <td></td> + <td class="md" nowrap><a class="el" href="memory__common_8h.html#a15">uint</a> </td> + <td class="mdname" nowrap> <em>nbytes</em></td> + </tr> + <tr> + <td></td> + <td class="md">) </td> + <td class="md" colspan="2"><code> [static]</code></td> + </tr> + + </table> + </td> + </tr> +</table> +<table cellspacing=5 cellpadding=0 border=0> + <tr> + <td> + + </td> + <td> + +<p> +Fast precaching of memory in L1 cache using MMX/SSE instructions: movq and prefetchnta Result is typically 880 Mo/s (surely slower because of overhead). +<p> +nbytes should not override 4K +<p> +Definition at line <a class="el" href="fast__mem_8cpp-source.html#l00210">210</a> of file <a class="el" href="fast__mem_8cpp-source.html">fast_mem.cpp</a>. +<p> +References <a class="el" href="driver__opengl__extension__def_8h-source.html#l00820">src</a>. </td> + </tr> +</table> +<hr>The documentation for this class was generated from the following files:<ul> +<li><a class="el" href="fast__mem_8h-source.html">fast_mem.h</a><li><a class="el" href="fast__mem_8cpp-source.html">fast_mem.cpp</a></ul> + + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |