Avoiding spelling mistakes: a WebAssembly tale

An overview of WebAssembly, a brief introduction to Rust and a real world use case for using both to provide spell checking on the frontend.
Talk given at SFScon 2020.

Transcript

1. Avoiding spelling mistakes: Avoiding spelling mistakes: a WebAssembly tale a WebAssembly tale Riccardo Magliocchetti Riccardo Magliocchetti
2. whoami whoami So ware developer @ Maieu cal Labs Consultant Torino Hacknight @tohacknight
3. Avoiding spelling mistakes: Avoiding spelling mistakes: a WebAssembly tale a WebAssembly tale Agenda: WebAssembly Rust A real-world use case
4. WEBASSEMBLY WEBASSEMBLY
5. WebAssembly is a portable binary format, developed as compila on target. webassembly.org
6. WebAssembly is a portable binary format, developed as compila on target.
7. WebAssembly is a portable binary format, developed as compila on target.
8. Working but still WIP Working but still WIP JS BigInt and 64 bit WASM Integer integra on, no Webkit SIMD, not enabled by default Threads and atomic opera ons, no Webkit , s ll experimental WASI Source: webassembly.org/roadmap
9. Main features Main features Fast Safe Compute only
10. WASM targets WASM targets Browsers: , JS Run me: , WASM Run me: , 93% users WebAssembly MDN docs Node.js Deno wasm me wasmer
11. Programming Languages Programming Languages C/C++: : C#: Other Emscripten Rust Working Group AssemblyScript Blazor
12. Why WebAssembly? Why WebAssembly? Applica ons por ng to the Web, e.g. Reuse code in JavaScript One run me for many languages Pyodide
13. RUST RUST
14. Rust Rust Fast Reliable Rich ecosystem
15. Uses of Rust Uses of Rust Systems programming Embedded Good integra ons with other languages: C, Python, WebAssembly :) cargo-c PyO3
16. How to learn Rust? How to learn Rust? The book Italian meetups
17. A use case A use case Add spell checking to a web applica on using SymSpell
18. Problems Problems CPU intensive No available JS implementa on
19. Solution Solution Por ng the to WebAssembly! Rust implementa on
20. Our contributions Our contributions Op mized WebAssembly por ng More features Tech details: Nicola Mar no at Rustlab 2020 talk
21. That's all folks! Any question? That's all folks! Any question? github.com/xrmx speakerdeck.com/xrmx @rmistaken