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luajit

brew install luajit v2.1.1781602682 MIT

Just-in-time compiler for Lua that produces fast bytecode via tracing JIT.

Why you might care

LuaJIT executes Lua code 10-100x faster than the stock interpreter through aggressive tracing JIT compilation, making it ideal for performance-critical embedded scripting, game engines, and real-time systems. It's a drop-in replacement for standard Lua but with better C FFI support and lower memory overhead, widely used in Roblox, Redis modules, and embedded applications.

Categories

language-runtime compiler interpreter

Alternatives

Lua Python Rust
56.1k
30-day installs · #113
114.7k
90-day · #170
436.2k
365-day · #165

Links

Blurb generated by claude-haiku-4-5 on today.

Raw metadata 
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  "deprecation_reason": null,
  "desc": "Just-In-Time Compiler (JIT) for the Lua programming language",
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  "enrichment_fetched_at": "2026-06-20T23:40:40+00:00",
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  "license": "MIT",
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  "why_use_this": "LuaJIT executes Lua code 10-100x faster than the stock interpreter through aggressive tracing JIT compilation, making it ideal for performance-critical embedded scripting, game engines, and real-time systems. It\u0027s a drop-in replacement for standard Lua but with better C FFI support and lower memory overhead, widely used in Roblox, Redis modules, and embedded applications."
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