LuaRT developer builds clx, a native Lua compiler bypassing the Lua VM
The creator of LuaRT and its rtc compiler has developed clx, a new tool that compiles Lua code into native executables without embedding a general-purpose Lua VM. Instead, clx relies on a custom runtime built specifically to support compiled Lua semantics like tables, strings, garbage collection and coroutines.
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This approach could offer meaningful performance gains over VM-based execution, since the runtime is tailored to compiled code rather than general interpretation, according to the developer. It may also simplify distribution of Lua applications by removing the need to ship or embed a separate Lua interpreter, though the practical tradeoffs and compatibility limits of such a specialized runtime remain to be seen.
- clx compiles Lua programs to native code without using an embedded Lua VM.
- It follows the developer's earlier work on LuaRT and the rtc compiler for Windows.
- The project aims for both easier standalone deployment and potential performance improvements.
Source: samyeyo.github.io, 2026-10-18
Published there as: “Trials and Tribulations of Native Lua Compilation”
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