Ask HN: Recommendation for general purpose JIT compiler

• qbe-rs

  32 75 3.3 Rust

  QBE IR in natural Rust data structures

  The usual recommendation have been given. Now for more touristic approach what I would like to use if given excuse and time. All those options are mostly written in C:

  - QBE [1] - small compiler backend with nice IL

  - DynASM [2] - IIUC the laujit's backend, that can and is used by other languages

  - uBPF - Userspace eBPF VM. Depending on your DSL the eBPF toolchain could fit your use-case, but this would probably be the biggest excursion.

  [1] https://c9x.me/compile/

  [2] https://luajit.org/dynasm.html

  [3] https://github.com/iovisor/ubpf

• SaaSHub

  www.saashub.com featured

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

  

• mir

  22 2,292 8.7 C

  A lightweight JIT compiler based on MIR (Medium Internal Representation) and C11 JIT compiler and interpreter based on MIR

• asmjit

  10 3,936 7.9 C++

  Low-latency machine code generation

  

• Oberon

  77 451 6.4 C++

  Oberon parser, code model & browser, compiler and IDE with debugger, and an implementation of the Oberon+ programming language

  If your DSL is statically typed then I recommend that you have a look at the Mono CLR; it's compatible with the ECMA-335 standard and the IR (CIL) is well documented, even with secondary literature.

  If your DSL is dynamically typed I recommend LuaJIT; the bytecode is lean and documented (not as good as CIL though). LuaJIT also works well with statically typed languages, but Mono is faster in the latter case. Even if it was originally built for Lua any compiler can generate LuaJIT bytecode.

  Both approaches are lean (Mono about 8 MB, LuaJIT about 1 MB), general purpose, available on many platforms and work well (see e.g. https://github.com/rochus-keller/Oberon/ and https://github.com/rochus-keller/Som/).

• Som

  8 24 0.0 C++

  Parser, code model, navigable browser and VM for the SOM Smalltalk dialect (by rochus-keller)

  If your DSL is statically typed then I recommend that you have a look at the Mono CLR; it's compatible with the ECMA-335 standard and the IR (CIL) is well documented, even with secondary literature.

  If your DSL is dynamically typed I recommend LuaJIT; the bytecode is lean and documented (not as good as CIL though). LuaJIT also works well with statically typed languages, but Mono is faster in the latter case. Even if it was originally built for Lua any compiler can generate LuaJIT bytecode.

  Both approaches are lean (Mono about 8 MB, LuaJIT about 1 MB), general purpose, available on many platforms and work well (see e.g. https://github.com/rochus-keller/Oberon/ and https://github.com/rochus-keller/Som/).

• minivm

  13 1,562 9.3 C

  A VM That is Dynamic and Fast

  

  Maybe take a look at MiniVM[0]? It was on HN a couple months ago[1].

  [0]: https://github.com/fastvm/minivm

• wasmtime

  174 15,212 9.9 Rust

  A fast and secure runtime for WebAssembly

  

  I haven't used it, but cranelift is also my first thought for this.

  If you want a stable interface though, I might use wasm on top of it via wasmtime. I'm not sure how stable the API for wasmtime is, but at least the IR (wasm) is, and there's an ecosystem of tools around it.

  https://github.com/bytecodealliance/wasmtime

• ubpf

  5 822 8.9 C

  Userspace eBPF VM

  

  The usual recommendation have been given. Now for more touristic approach what I would like to use if given excuse and time. All those options are mostly written in C:

  - QBE [1] - small compiler backend with nice IL

  - DynASM [2] - IIUC the laujit's backend, that can and is used by other languages

  - uBPF - Userspace eBPF VM. Depending on your DSL the eBPF toolchain could fit your use-case, but this would probably be the biggest excursion.

  [1] https://c9x.me/compile/

  [2] https://luajit.org/dynasm.html

  [3] https://github.com/iovisor/ubpf

• Befunge

  5 19 3.5 JavaScript

  lang befunge 93 fast

• simplelanguage

  6 607 2.0 Java

  A simple example language built using the Truffle API.

  

• sljit

  3 826 8.8 C

  Platform independent low-level JIT compiler

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