Web Assembly（WASM）+Conda：在浏览器中革新科学计算

发布于 7 月 24 日

QuantStack / prefix.dev collaboration: Revamped emscripten-forge, a custom WebAssembly package distribution.
- The Big Picture: Aim is to run complex scientific comps or data anlys directly in web browser without server-side processing.
- What is WASM & Emscripten: WASM is a fast, secure, portable bytecode format for web browsers. Emscripten compiles C/C++ to WASM.
- The Emscripten-Forge Project: Focus on foundational libraries like compression, XML parsers, graphics, and interpreters.
- Why Not Just Use Pyodide: Differentiates by being language agnostic and integrating with conda-forge.
Recent Upgrades: Streamlined processes for building, setting up compilation environment, and using WASM packages.
- Building WASM Packages: Moved to rattler-build in Rust, which natively supports emscripten-wasm32 and wasi-wasm32, distinguishes build and run deps, and uses a cleaner recipe format.
- Setting Up the WASM Compilation Environment: Adopted pixi and pixi tasks for easy setup, simplified compilation, and efficient caching.
- Using the WASM Packages: Created JupyterLite instances with pre-bundled WASM packages, using pixi.toml to define environments.
- Deploy on Github pages: Prepared an example for deploying JupyterLite instance.
The Road Ahead: Shows potential in computer science education and aims to collaborate with other ecosystems.
Get Involved: Welcome contributions in porting libraries, improving build processes, and creating examples.
Resources and Further Reading: Links to relevant Github repos, websites, documentation, etc. for emscripten-forge, pixi, and rattler-build.

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