luajit man page on Alpinelinux
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luajit(1) LuaJIT documentation luajit(1)
NAME
luajit - Just-In-Time Compiler for the Lua Language
SYNOPSIS
luajit [options]... [script [args]...]
WEB SITE
http://luajit.org
DESCRIPTION
This is the command-line program to run Lua programs with LuaJIT.
LuaJIT is a just-in-time (JIT) compiler for the Lua language. The vir‐
tual machine (VM) is based on a fast interpreter combined with a trace
compiler. It can significantly improve the performance of Lua programs.
LuaJIT is API- and ABI-compatible with the VM of the standard Lua 5.1
interpreter. When embedding the VM into an application, the built
library can be used as a drop-in replacement.
OPTIONS
-e chunk
Run the given chunk of Lua code.
-l library
Load the named library, just like require("library").
-b ... Save or list bytecode. Run without arguments to get help on
options.
-j command
Perform LuaJIT control command (optional space after -j).
-O[opt]
Control LuaJIT optimizations.
-i Run in interactive mode.
-v Show LuaJIT version.
-E Ignore environment variables.
-- Stop processing options.
- Read script from stdin instead.
After all options are processed, the given script is run. The argu‐
ments are passed in the global arg table.
Interactive mode is only entered, if no script and no -e option is
given. Interactive mode can be left with EOF (Ctrl-Z).
EXAMPLES
luajit hello.lua world
Prints "Hello world", assuming hello.lua contains:
print("Hello", arg[1])
luajit -e "local x=0; for i=1,1e9 do x=x+i end; print(x)"
Calculates the sum of the numbers from 1 to 1000000000.
And finishes in a reasonable amount of time, too.
luajit -jv -e "for i=1,10 do for j=1,10 do for k=1,100 do end end end"
Runs some nested loops and shows the resulting traces.
COPYRIGHT
LuaJIT is Copyright © 2005-2014 Mike Pall.
LuaJIT is open source software, released under the MIT license.
SEE ALSO
More details in the provided HTML docs or at: http://luajit.org
More about the Lua language can be found at: http://lua.org/docs.html
lua(1)
luajit(1)
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