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Update docs for release candidate.
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@ -233,19 +233,11 @@ the corresponding metamethod (e.g. <tt>"__index"</tt>).
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<h2 id="resumable">Fully Resumable VM</h2>
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<h2 id="resumable">Fully Resumable VM</h2>
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<p>
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<p>
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The LuaJIT 2.x VM is fully resumable. This means you can yield from a
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The LuaJIT VM is fully resumable. This means you can yield from a
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coroutine even across contexts, where this would not possible with
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coroutine even across contexts, where this would not possible with
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the standard Lua 5.1 VM: e.g. you can yield across <tt>pcall()</tt>
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the standard Lua 5.1 VM: e.g. you can yield across <tt>pcall()</tt>
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and <tt>xpcall()</tt>, across iterators and across metamethods.
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and <tt>xpcall()</tt>, across iterators and across metamethods.
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</p>
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</p>
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<p>
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Note however that LuaJIT 2.x doesn't use
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<a href="http://coco.luajit.org/"><span class="ext">»</span> Coco</a> anymore. This means the
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overhead for creating coroutines is much smaller and no extra
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C stacks need to be allocated. OTOH you can no longer yield
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across arbitrary C functions. Keep this in mind when
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upgrading from LuaJIT 1.x.
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</p>
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<h2 id="lua52">Extensions from Lua 5.2</h2>
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<h2 id="lua52">Extensions from Lua 5.2</h2>
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<p>
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<p>
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@ -188,8 +188,8 @@ open a terminal window and change to this directory. Now unpack the archive
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and change to the newly created directory:
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and change to the newly created directory:
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</p>
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</p>
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<pre class="code">
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<pre class="code">
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tar zxf LuaJIT-2.0.0-beta11.tar.gz
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tar zxf LuaJIT-2.0.0.tar.gz
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cd LuaJIT-2.0.0-beta11</pre>
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cd LuaJIT-2.0.0</pre>
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<h3>Building LuaJIT</h3>
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<h3>Building LuaJIT</h3>
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<p>
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<p>
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The supplied Makefiles try to auto-detect the settings needed for your
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The supplied Makefiles try to auto-detect the settings needed for your
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@ -236,15 +236,6 @@ make install PREFIX=/home/myself/lj2
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<p>
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<p>
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Obviously the prefixes given during build and installation need to be the same.
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Obviously the prefixes given during build and installation need to be the same.
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</p>
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</p>
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<p style="color: #c00000;">
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Note: to avoid overwriting a previous version, the beta test releases
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only install the LuaJIT executable under the versioned name (i.e.
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<tt>luajit-2.0.0-beta11</tt>). You probably want to create a symlink
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for convenience, with a command like this:
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</p>
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<pre class="code" style="color: #c00000;">
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sudo ln -sf luajit-2.0.0-beta11 /usr/local/bin/luajit
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</pre>
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<h2 id="windows">Windows Systems</h2>
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<h2 id="windows">Windows Systems</h2>
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<h3>Prerequisites</h3>
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<h3>Prerequisites</h3>
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@ -461,7 +452,7 @@ much slower than the JIT compiler. Please complain to Apple, not me.
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Or use Android. :-p
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Or use Android. :-p
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</p>
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</p>
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<pre class="code">
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<pre class="code">
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IXCODE=/Applications/Xcode45-DP4.app/Contents
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IXCODE=/Applications/Xcode.app/Contents
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ISDK=$IXCODE/Developer/Platforms/iPhoneOS.platform/Developer
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ISDK=$IXCODE/Developer/Platforms/iPhoneOS.platform/Developer
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ISDKVER=iPhoneOS6.0.sdk
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ISDKVER=iPhoneOS6.0.sdk
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ISDKP=$ISDK/usr/bin/
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ISDKP=$ISDK/usr/bin/
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@ -176,7 +176,7 @@ LuaJIT is Copyright © 2005-2012 Mike Pall, released under the
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<td class="speed">3x<br>- 100x</td>
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<td class="speed">3x<br>- 100x</td>
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<td class="kb">115 <small>KB</small><br>VM</td>
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<td class="kb">115 <small>KB</small><br>VM</td>
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<td class="kb">90 <small>KB</small><br>JIT</td>
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<td class="kb">90 <small>KB</small><br>JIT</td>
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<td class="kloc">73 <small>KLOC</small><br>C</td>
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<td class="kloc">63 <small>KLOC</small><br>C</td>
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<td class="kloc">24 <small>KLOC</small><br>ASM</td>
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<td class="kloc">24 <small>KLOC</small><br>ASM</td>
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<td class="kloc">11 <small>KLOC</small><br>Lua</td>
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<td class="kloc">11 <small>KLOC</small><br>Lua</td>
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</tr>
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</tr>
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@ -86,15 +86,6 @@ POSIX systems or <tt>luajit.exe</tt> on Windows. It can be used to run simple
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Lua statements or whole Lua applications from the command line. It has an
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Lua statements or whole Lua applications from the command line. It has an
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interactive mode, too.
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interactive mode, too.
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</p>
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</p>
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<p class="indent" style="color: #c00000;">
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Note: the beta test releases only install under the versioned name on
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POSIX systems (to avoid overwriting a previous version). You either need
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to type <tt>luajit-2.0.0-beta11</tt> to start it or create a symlink
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with a command like this:
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</p>
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<pre class="code" style="color: #c00000;">
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sudo ln -sf luajit-2.0.0-beta11 /usr/local/bin/luajit
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</pre>
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<h2 id="options">Command Line Options</h2>
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<h2 id="options">Command Line Options</h2>
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<p>
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<p>
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@ -195,7 +186,7 @@ itself. For a description of their options and output format, please
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read the comment block at the start of their source.
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read the comment block at the start of their source.
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They can be found in the <tt>lib</tt> directory of the source
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They can be found in the <tt>lib</tt> directory of the source
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distribution or installed under the <tt>jit</tt> directory. By default
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distribution or installed under the <tt>jit</tt> directory. By default
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this is <tt>/usr/local/share/luajit-2.0.0-beta11/jit</tt> on POSIX
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this is <tt>/usr/local/share/luajit-2.0.0/jit</tt> on POSIX
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systems.
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systems.
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</p>
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</p>
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@ -217,10 +208,6 @@ optimizations and higher numbers enable more optimizations. Omitting
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the level (i.e. just <tt>-O</tt>) sets the default optimization level,
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the level (i.e. just <tt>-O</tt>) sets the default optimization level,
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which is <tt>-O3</tt> in the current version.
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which is <tt>-O3</tt> in the current version.
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</p>
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</p>
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<p style="font-size: 8pt;">
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Note: Unlike previous versions, <b>optimization is turned on by default</b> in
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LuaJIT 2.0!<br>It's no longer necessary to use <tt>luajit -O</tt>.
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</p>
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<p>
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<p>
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The second form adds or removes individual optimization flags.
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The second form adds or removes individual optimization flags.
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The third form sets a parameter for the VM or the JIT compiler
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The third form sets a parameter for the VM or the JIT compiler
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@ -62,11 +62,9 @@ ul li { padding-bottom: 0.3em; }
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</div>
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</div>
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<div id="main">
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<div id="main">
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<p>
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<p>
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<span style="color: #c00000;">LuaJIT 2.0</span> is the currently active
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<span style="color: #0000c0;">LuaJIT 2.0</span> is the current
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<span style="color: #c00000;">development branch</span> in beta test.
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<span style="color: #0000c0;">stable branch</span>. This branch is in
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It has <a href="http://luajit.org/performance.html"><span class="ext">»</span> much better performance</a> than
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feature-freeze — new features will only be added to LuaJIT 2.1.
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LuaJIT 1.x and runs on many more platforms and architectures.
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The branch has already been frozen as it's nearing a stable release.
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</p>
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</p>
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<h2>Current Status</h2>
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<h2>Current Status</h2>
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