=pod
LuaJIT
=head1 LuaJIT
=over
=item * LuaJIT
=over
=item * Download E<rchevron>
=item * Installation
=item * Running
=back
=item * Extensions
=over
=item * FFI Library
=over
=item * FFI Tutorial
=item * ffi.* API
=item * FFI Semantics
=back
=item * jit.* Library
=item * Lua/C API
=item * Profiler
=back
=item * Status
=over
=item * Changes
=back
=item * FAQ
=item * Performance E<rchevron>
=item * Wiki E<rchevron>
=item * Mailing List E<rchevron>
=back
LuaJIT is a B<Just-In-Time Compiler> (JIT) for the E<rchevron> Lua
programming language. Lua is a powerful, dynamic and light-weight
programming language. It may be embedded or used as a general-purpose,
stand-alone language.
LuaJIT is Copyright E<copy> 2005-2017 Mike Pall, released under the
E<rchevron> MIT open source license.
=head2 Compatibility
Windows
Linux
BSD
OSX
POSIX
Embedded
Android
iOS
PS3
PS4
PS Vita
Xbox 360
Xbox One
GCC
Clang
LLVM
MSVC
x86
x64
ARM
ARM64
PPC
MIPS32
MIPS64
Lua 5.1
API+ABI
+ JIT
+ BitOp
+ FFI
Drop-in
DLL/.so
=head2 Overview
3x
- 100x
115 KB
VM
90 KB
JIT
63 KLOC
C
24 KLOC
ASM
11 KLOC
Lua
LuaJIT has been successfully used as a B<scripting middleware> in
games, appliances, network and graphics apps, numerical simulations,
trading platforms and many other specialty applications. It scales from
embedded devices, smartphones, desktops up to server farms. It combines
high flexibility with E<rchevron> high performance and an unmatched
B<low memory footprint>.
LuaJIT has been in continuous development since 2005. It's widely
considered to be B<one of the fastest dynamic language
implementations>. It has outperformed other dynamic languages on many
cross-language benchmarks since its first release E<mdash> often by a
substantial margin.
For B<LuaJIT 2.0>, the whole VM has been rewritten from the ground up
and relentlessly optimized for performance. It combines a B<high-speed
interpreter>, written in assembler, with a B<state-of-the-art JIT
compiler>.
An innovative B<trace compiler> is integrated with advanced, SSA-based
optimizations and highly tuned code generation backends. A substantial
reduction of the overhead associated with dynamic languages allows it
to break into the performance range traditionally reserved for offline,
static language compilers.
=head2 More ...
Please select a sub-topic in the navigation bar to learn more about
LuaJIT.
----
Copyright E<copy> 2005-2017 Mike Pall E<middot> Contact
=cut
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