jit

Unicorn is a lightweight, multi-platform CPU emulator framework supporting numerous architectures (ARM, x86, RISC-V, etc.) with a clean API, JIT compilation, and bindings for many languages. It is widely used in cybersecurity and academic research.

A survey of inlining heuristics in method JIT compilers, discussing the challenges of when to inline and the trade-offs involved, with examples from Ruby and Python.

Lunacy is a Lua 5.1 interpreter written in Rust, implementing Lazy Basic Block Versioning and a Just-in-Time compiler, as detailed in a technical blog post.

XS is a new programming language distributed as a single statically-linked binary containing the compiler, language server, debugger, formatter, linter, test runner, profiler, and package manager. It runs unchanged on multiple platforms including Linux, macOS, Windows, WASI, iOS, Android, ESP32, and Raspberry Pi, and offers multiple backends including a JIT, VM, and transpilers to C and JavaScript.