Deegen: A JIT-Capable VM Generator for Dynamic Languages

Haoran Xu; Fredrik Kjolstad

doi:10.1145/3798246

OOPSLA · October 2026

Deegen: A JIT-Capable VM Generator for Dynamic Languages

ACM SIGPLAN Conference on Object-Oriented Programming, Systems, Languages, and Applications · PACMPL vol. 10, OOPSLA To appear

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Topics Meta-compilation, JITs & VMs

Related software

Deegen: A JIT-Capable VM Generator A meta-compiler that takes a dynamic language's bytecode semantics, written as C++ functions, and generates a high-performance interpreter and a Copy-and-Patch baseline JIT.

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Citation

Haoran Xu and Fredrik Kjolstad. Deegen: A JIT-Capable VM Generator for Dynamic Languages. OOPSLA, 2026 (to appear).

BibTeX

@inproceedings{xu2026deegen,
  title     = {Deegen: A JIT-Capable VM Generator for Dynamic Languages},
  author    = {Haoran Xu and Fredrik Kjolstad},
  booktitle = {ACM SIGPLAN Conference on Object-Oriented Programming, Systems, Languages, and Applications},
  year      = {2026},
  month     = {oct},
  doi       = {10.1145/3798246},
  url       = {https://compilers.stanford.edu/publications/deegen.pdf}
}

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