Gain insights into WebAssembly by converting native code, optimizing performance, and integrating Rust. Delve into compilation, VM infrastructure, format switching, and publishing modules using Emscripten and Binaryen tools.

PracticalWith2.88.tar.gz

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WebAssembly, also known as WASM, is a binary instruction format that provides multiple programming languages (C/C++, Ruby, Java, etc.) with a compilation target for smooth web processing. In this course, we’ll learn how to convert native code of different languages into WebAssembly and optimize it for better performance.

This intermediate-level course provides basic information on compilation techniques and VM infrastructure. It discusses converting C/C++ code into WebAssembly and loading the binary in a Node.js browser through tools like Emscripten and emsdk. You will learn the difference between WebAssembly text (WAST) and binary format (WASM). The course will cover step-by-step guidelines for switching between formats such as WASM, WAST, C, and JSON. Additionally, you’ll learn how to use tools provided by Binaryen.

After taking this course, you’ll learn how to integrate Rust into WebAssembly, publish modules, and optimize the memory model.

Practical WebAssembly

So far, we’ve only seen examples of sharing simple numbers between JavaScript and WebAssembly. Earlier, we saw how `wasm-bindgen` helps to pass a string from Rust to JavaScript with ease. In this chapter, we’ll explore how `wasm-bindgen` makes it easier to convert more complex data types between JavaScript and WebAssembly via Rust. We’ll cover the sharing classes from Rust with JavaScript and vice versa.

Get introduced to the concepts we’ll learn in this chapter.

Interaction of Rust and WebAssembly

Introduction to the Course

Understanding LLVM

Understanding Emscripten

Exploring WebAssembly Modules

Understanding the WebAssembly Binary Toolkit

Understanding Sections in WebAssembly Modules

Exploring Binaryen and Its Tools

Integrating Rust with WebAssembly

Bundling WebAssembly Using wasm-pack

Crossing the Boundary between Rust and WebAssembly

Optimizing Rust and WebAssembly

Conclusion

Appendix

Interaction of Rust and WebAssembly

Overview