lua-aot-5.3

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Lua AOT compiler. A modified Lua virtual machine that can compile Lua code to C code.

How to use:

1. Run the Makefile inside the src directory
2. Run configure inside the experiments directory
3. Run the Makefile inside the experiments directory
4. Run the programs using the run and runbenchmarks scripts.

• src/ contains a modified Lua VM and the luaot compiler that generated a C module from a Lua source file

  The LuaVM has very few modifications. Basically, an extra field in Proto and some private functions were made public. In theory the Lua module could have been converted to an equivalent C module that is indistinguishable if you require it. But the current implementation is a lot more hacky than that. At the moment, you are expected to load the C module with lua -l module.so and the C module exposes on the global scope a magic function that can modify a given Lua closure to use an optimized C implementation. For example, magic(1, f) changes f to that when f is called it runs the code from the 1st pre-compiled function from the C module. It is your responsibility to make sure that the indices match.

• experiments/ has all the test files for my experiments

  The lua files in the examples folders are converted to c files and then compiled to "so" dynamic libraries. The ./configure.py generates a makefile for everything.

  Use the run file to do a standalone test. Take a look inside to see how things work

  ./run examples/foo.lua # normal version ./run examples/foo.lua --fast # optimized version

  The runbenchmarks is the script from https://github.com/gligneul/Lua-Low-Level, but with some tweaks to get everything to run.

Original README:

This is Lua 5.3.4, released on 12 Jan 2017.

For installation instructions, license details, and further information about Lua, see doc/readme.html.