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In one sentence
aoughwl is a software stack built from scratch in Nimony: a compiler toolchain, a JavaScript engine, a browser engine and a game platform, each checked against the established tool it replaces.
In one paragraph
aoughwl rebuilds the layers that programs run on, in one language, and publishes how close each layer is to the reference it replaces. Its compiler toolchain parses, type-checks and compiles Nimony (the next-generation Nim compiler) and is diffed byte for byte against Nimony's own passes. Its JavaScript engine, written from scratch with a bytecode interpreter, a baseline JIT and an optimizing tier, passes 53,593 of 53,595 test262 conformance tests. Its runtime puts that engine and a Nimony interpreter on one heap with one garbage collector. Jester, its game platform, runs every part of a game as a mod that can be edited while the game is running. Most of it can be tried in a browser at aoughwl.github.io.
Numbers, with where they come from
| Claim | Figure | Source |
|---|---|---|
| JavaScript conformance | 53,593 / 53,595 test262 | aowljs-engine |
| JavaScript speed | 1.99 s total vs V8 1.29 s, 16 benchmarks | aowljs-engine |
| Browser conformance | about 93.5% of Web Platform Tests subtests on the tracked directories (Ladybird: 96.2%) | Titicaca and WPT |
| Compiler parser | byte-identical to Nimony's on all 184 files of the compiler source | Parity |
| Type checker | byte-identical on 924 of 941 test cases | Parity |
| Interpreter | identical output to native on 460 / 460 runnable programs | engine |
| Fresh install | 181 s from an empty Linux home to a running native binary | Get started |
Every figure has a date on the page it links to. How they are measured is on How we test.
Logos
 | aoughwl-logo-black.png, for light backgrounds |
 | aoughwl-logo-white.png, for dark backgrounds |
 | og-image.png, 1200 × 630 |
The name is written in lowercase: aoughwl.
Contact
Discord, user timbuktu_guy, or an issue on any GitHub repository.