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🚀 A fast WebAssembly interpreter and the most universal WASM runtime
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README.md
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Wasm3

GitHub issues GitHub license

This is an (experimental) high performance WebAssembly interpreter written in C.

∼ 10x faster than other wasm interpreters (wasm-micro-runtime, wac, life)
∼ 5-6x slower than state of the art wasm JIT engines, like liftoff
∼ 10-15х slower than native execution
* Your mileage may vary

Status

WebAssembly Core Specification conformance: 94%

Minimum useful system requirements: ~64Kb for code and ~10Kb RAM

wasm3 currently runs on a wide range of platforms:

  • Linux, Windows, OS X
  • Android
  • Raspberry Pi, Orange Pi and other SBCs
  • MCUs:
    Arduino MKR*, Arduino Due, Particle Photon,
    ESP8266, ESP32, Air602 (W600), nRF52, nRF51,
    Blue Pill (STM32F103C8T6), MXChip AZ3166 (EMW3166),
    Maix (K210), HiFive1 (E310), Fomu (ICE40UP5K), etc.
  • OpenWRT-enabled routers
  • Browsers... yes, using WebAssembly itself!
  • TODO: run on wasm3 (should be self-hosting)

wasm3 is built on top of Steven Massey's novel interpreter topology, with:

  • Aim at Wasm 1.0 spec conformance
  • Lot's of bugfixes
  • Portability improvements

Building

See DEV.md

License

This project is released under The MIT License (MIT)