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diff --git a/lib/LuaJIT/doc/running.html b/lib/LuaJIT/doc/running.html deleted file mode 100644 index ae3cd71..0000000 --- a/lib/LuaJIT/doc/running.html +++ /dev/null @@ -1,308 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> -<html> -<head> -<title>Running LuaJIT</title> -<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> -<meta name="Copyright" content="Copyright (C) 2005-2018"> -<meta name="Language" content="en"> -<link rel="stylesheet" type="text/css" href="bluequad.css" media="screen"> -<link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print"> -<style type="text/css"> -table.opt { - line-height: 1.2; -} -tr.opthead td { - font-weight: bold; -} -td.flag_name { - width: 4em; -} -td.flag_level { - width: 2em; - text-align: center; -} -td.param_name { - width: 6em; -} -td.param_default { - width: 4em; - text-align: right; -} -</style> -</head> -<body> -<div id="site"> -<a href="http://luajit.org"><span>Lua<span id="logo">JIT</span></span></a> -</div> -<div id="head"> -<h1>Running LuaJIT</h1> -</div> -<div id="nav"> -<ul><li> -<a href="luajit.html">LuaJIT</a> -<ul><li> -<a href="http://luajit.org/download.html">Download <span class="ext">»</span></a> -</li><li> -<a href="install.html">Installation</a> -</li><li> -<a class="current" href="running.html">Running</a> -</li></ul> -</li><li> -<a href="extensions.html">Extensions</a> -<ul><li> -<a href="ext_ffi.html">FFI Library</a> -<ul><li> -<a href="ext_ffi_tutorial.html">FFI Tutorial</a> -</li><li> -<a href="ext_ffi_api.html">ffi.* API</a> -</li><li> -<a href="ext_ffi_semantics.html">FFI Semantics</a> -</li></ul> -</li><li> -<a href="ext_jit.html">jit.* Library</a> -</li><li> -<a href="ext_c_api.html">Lua/C API</a> -</li><li> -<a href="ext_profiler.html">Profiler</a> -</li></ul> -</li><li> -<a href="status.html">Status</a> -<ul><li> -<a href="changes.html">Changes</a> -</li></ul> -</li><li> -<a href="faq.html">FAQ</a> -</li><li> -<a href="http://luajit.org/performance.html">Performance <span class="ext">»</span></a> -</li><li> -<a href="http://wiki.luajit.org/">Wiki <span class="ext">»</span></a> -</li><li> -<a href="http://luajit.org/list.html">Mailing List <span class="ext">»</span></a> -</li></ul> -</div> -<div id="main"> -<p> -LuaJIT has only a single stand-alone executable, called <tt>luajit</tt> on -POSIX systems or <tt>luajit.exe</tt> on Windows. It can be used to run simple -Lua statements or whole Lua applications from the command line. It has an -interactive mode, too. -</p> - -<h2 id="options">Command Line Options</h2> -<p> -The <tt>luajit</tt> stand-alone executable is just a slightly modified -version of the regular <tt>lua</tt> stand-alone executable. -It supports the same basic options, too. <tt>luajit -h</tt> -prints a short list of the available options. Please have a look at the -<a href="http://www.lua.org/manual/5.1/manual.html#6"><span class="ext">»</span> Lua manual</a> -for details. -</p> -<p> -LuaJIT has some additional options: -</p> - -<h3 id="opt_b"><tt>-b[options] input output</tt></h3> -<p> -This option saves or lists bytecode. The following additional options -are accepted: -</p> -<ul> -<li><tt>-l</tt> — Only list bytecode.</li> -<li><tt>-s</tt> — Strip debug info (this is the default).</li> -<li><tt>-g</tt> — Keep debug info.</li> -<li><tt>-n name</tt> — Set module name (default: auto-detect from input name)</li> -<li><tt>-t type</tt> — Set output file type (default: auto-detect from output name).</li> -<li><tt>-a arch</tt> — Override architecture for object files (default: native).</li> -<li><tt>-o os</tt> — Override OS for object files (default: native).</li> -<li><tt>-e chunk</tt> — Use chunk string as input.</li> -<li><tt>-</tt> (a single minus sign) — Use stdin as input and/or stdout as output.</li> -</ul> -<p> -The output file type is auto-detected from the extension of the output -file name: -</p> -<ul> -<li><tt>c</tt> — C source file, exported bytecode data.</li> -<li><tt>h</tt> — C header file, static bytecode data.</li> -<li><tt>obj</tt> or <tt>o</tt> — Object file, exported bytecode data -(OS- and architecture-specific).</li> -<li><tt>raw</tt> or any other extension — Raw bytecode file (portable). -</ul> -<p> -Notes: -</p> -<ul> -<li>See also <a href="extensions.html#string_dump">string.dump()</a> -for information on bytecode portability and compatibility.</li> -<li>A file in raw bytecode format is auto-detected and can be loaded like -any Lua source file. E.g. directly from the command line or with -<tt>loadfile()</tt>, <tt>dofile()</tt> etc.</li> -<li>To statically embed the bytecode of a module in your application, -generate an object file and just link it with your application.</li> -<li>On most ELF-based systems (e.g. Linux) you need to explicitly export the -global symbols when linking your application, e.g. with: <tt>-Wl,-E</tt></li> -<li><tt>require()</tt> tries to load embedded bytecode data from exported -symbols (in <tt>*.exe</tt> or <tt>lua51.dll</tt> on Windows) and from -shared libraries in <tt>package.cpath</tt>.</li> -</ul> -<p> -Typical usage examples: -</p> -<pre class="code"> -luajit -b test.lua test.out # Save bytecode to test.out -luajit -bg test.lua test.out # Keep debug info -luajit -be "print('hello world')" test.out # Save cmdline script - -luajit -bl test.lua # List to stdout -luajit -bl test.lua test.txt # List to test.txt -luajit -ble "print('hello world')" # List cmdline script - -luajit -b test.lua test.obj # Generate object file -# Link test.obj with your application and load it with require("test") -</pre> - -<h3 id="opt_j"><tt>-j cmd[=arg[,arg...]]</tt></h3> -<p> -This option performs a LuaJIT control command or activates one of the -loadable extension modules. The command is first looked up in the -<tt>jit.*</tt> library. If no matching function is found, a module -named <tt>jit.<cmd></tt> is loaded and the <tt>start()</tt> -function of the module is called with the specified arguments (if -any). The space between <tt>-j</tt> and <tt>cmd</tt> is optional. -</p> -<p> -Here are the available LuaJIT control commands: -</p> -<ul> -<li id="j_on"><tt>-jon</tt> — Turns the JIT compiler on (default).</li> -<li id="j_off"><tt>-joff</tt> — Turns the JIT compiler off (only use the interpreter).</li> -<li id="j_flush"><tt>-jflush</tt> — Flushes the whole cache of compiled code.</li> -<li id="j_v"><tt>-jv</tt> — Shows verbose information about the progress of the JIT compiler.</li> -<li id="j_dump"><tt>-jdump</tt> — Dumps the code and structures used in various compiler stages.</li> -<li id="j_p"><tt>-jp</tt> — Start the <a href="ext_profiler.html">integrated profiler</a>.</li> -</ul> -<p> -The <tt>-jv</tt> and <tt>-jdump</tt> commands are extension modules -written in Lua. They are mainly used for debugging the JIT compiler -itself. For a description of their options and output format, please -read the comment block at the start of their source. -They can be found in the <tt>lib</tt> directory of the source -distribution or installed under the <tt>jit</tt> directory. By default -this is <tt>/usr/local/share/luajit-2.0.5/jit</tt> on POSIX -systems. -</p> - -<h3 id="opt_O"><tt>-O[level]</tt><br> -<tt>-O[+]flag</tt> <tt>-O-flag</tt><br> -<tt>-Oparam=value</tt></h3> -<p> -This options allows fine-tuned control of the optimizations used by -the JIT compiler. This is mainly intended for debugging LuaJIT itself. -Please note that the JIT compiler is extremely fast (we are talking -about the microsecond to millisecond range). Disabling optimizations -doesn't have any visible impact on its overhead, but usually generates -code that runs slower. -</p> -<p> -The first form sets an optimization level — this enables a -specific mix of optimization flags. <tt>-O0</tt> turns off all -optimizations and higher numbers enable more optimizations. Omitting -the level (i.e. just <tt>-O</tt>) sets the default optimization level, -which is <tt>-O3</tt> in the current version. -</p> -<p> -The second form adds or removes individual optimization flags. -The third form sets a parameter for the VM or the JIT compiler -to a specific value. -</p> -<p> -You can either use this option multiple times (like <tt>-Ocse --O-dce -Ohotloop=10</tt>) or separate several settings with a comma -(like <tt>-O+cse,-dce,hotloop=10</tt>). The settings are applied from -left to right and later settings override earlier ones. You can freely -mix the three forms, but note that setting an optimization level -overrides all earlier flags. -</p> -<p> -Here are the available flags and at what optimization levels they -are enabled: -</p> -<table class="opt"> -<tr class="opthead"> -<td class="flag_name">Flag</td> -<td class="flag_level">-O1</td> -<td class="flag_level">-O2</td> -<td class="flag_level">-O3</td> -<td class="flag_desc"> </td> -</tr> -<tr class="odd separate"> -<td class="flag_name">fold</td><td class="flag_level">•</td><td class="flag_level">•</td><td class="flag_level">•</td><td class="flag_desc">Constant Folding, Simplifications and Reassociation</td></tr> -<tr class="even"> -<td class="flag_name">cse</td><td class="flag_level">•</td><td class="flag_level">•</td><td class="flag_level">•</td><td class="flag_desc">Common-Subexpression Elimination</td></tr> -<tr class="odd"> -<td class="flag_name">dce</td><td class="flag_level">•</td><td class="flag_level">•</td><td class="flag_level">•</td><td class="flag_desc">Dead-Code Elimination</td></tr> -<tr class="even"> -<td class="flag_name">narrow</td><td class="flag_level"> </td><td class="flag_level">•</td><td class="flag_level">•</td><td class="flag_desc">Narrowing of numbers to integers</td></tr> -<tr class="odd"> -<td class="flag_name">loop</td><td class="flag_level"> </td><td class="flag_level">•</td><td class="flag_level">•</td><td class="flag_desc">Loop Optimizations (code hoisting)</td></tr> -<tr class="even"> -<td class="flag_name">fwd</td><td class="flag_level"> </td><td class="flag_level"> </td><td class="flag_level">•</td><td class="flag_desc">Load Forwarding (L2L) and Store Forwarding (S2L)</td></tr> -<tr class="odd"> -<td class="flag_name">dse</td><td class="flag_level"> </td><td class="flag_level"> </td><td class="flag_level">•</td><td class="flag_desc">Dead-Store Elimination</td></tr> -<tr class="even"> -<td class="flag_name">abc</td><td class="flag_level"> </td><td class="flag_level"> </td><td class="flag_level">•</td><td class="flag_desc">Array Bounds Check Elimination</td></tr> -<tr class="odd"> -<td class="flag_name">sink</td><td class="flag_level"> </td><td class="flag_level"> </td><td class="flag_level">•</td><td class="flag_desc">Allocation/Store Sinking</td></tr> -<tr class="even"> -<td class="flag_name">fuse</td><td class="flag_level"> </td><td class="flag_level"> </td><td class="flag_level">•</td><td class="flag_desc">Fusion of operands into instructions</td></tr> -</table> -<p> -Here are the parameters and their default settings: -</p> -<table class="opt"> -<tr class="opthead"> -<td class="param_name">Parameter</td> -<td class="param_default">Default</td> -<td class="param_desc"> </td> -</tr> -<tr class="odd separate"> -<td class="param_name">maxtrace</td><td class="param_default">1000</td><td class="param_desc">Max. number of traces in the cache</td></tr> -<tr class="even"> -<td class="param_name">maxrecord</td><td class="param_default">4000</td><td class="param_desc">Max. number of recorded IR instructions</td></tr> -<tr class="odd"> -<td class="param_name">maxirconst</td><td class="param_default">500</td><td class="param_desc">Max. number of IR constants of a trace</td></tr> -<tr class="even"> -<td class="param_name">maxside</td><td class="param_default">100</td><td class="param_desc">Max. number of side traces of a root trace</td></tr> -<tr class="odd"> -<td class="param_name">maxsnap</td><td class="param_default">500</td><td class="param_desc">Max. number of snapshots for a trace</td></tr> -<tr class="even separate"> -<td class="param_name">hotloop</td><td class="param_default">56</td><td class="param_desc">Number of iterations to detect a hot loop or hot call</td></tr> -<tr class="odd"> -<td class="param_name">hotexit</td><td class="param_default">10</td><td class="param_desc">Number of taken exits to start a side trace</td></tr> -<tr class="even"> -<td class="param_name">tryside</td><td class="param_default">4</td><td class="param_desc">Number of attempts to compile a side trace</td></tr> -<tr class="odd separate"> -<td class="param_name">instunroll</td><td class="param_default">4</td><td class="param_desc">Max. unroll factor for instable loops</td></tr> -<tr class="even"> -<td class="param_name">loopunroll</td><td class="param_default">15</td><td class="param_desc">Max. unroll factor for loop ops in side traces</td></tr> -<tr class="odd"> -<td class="param_name">callunroll</td><td class="param_default">3</td><td class="param_desc">Max. unroll factor for pseudo-recursive calls</td></tr> -<tr class="even"> -<td class="param_name">recunroll</td><td class="param_default">2</td><td class="param_desc">Min. unroll factor for true recursion</td></tr> -<tr class="odd separate"> -<td class="param_name">sizemcode</td><td class="param_default">32</td><td class="param_desc">Size of each machine code area in KBytes (Windows: 64K)</td></tr> -<tr class="even"> -<td class="param_name">maxmcode</td><td class="param_default">512</td><td class="param_desc">Max. total size of all machine code areas in KBytes</td></tr> -</table> -<br class="flush"> -</div> -<div id="foot"> -<hr class="hide"> -Copyright © 2005-2018 -<span class="noprint"> -· -<a href="contact.html">Contact</a> -</span> -</div> -</body> -</html> |