The CPU in your browser: WebAssembly demystified
summary
Shows concrete artifacts and outcomes: a factorial C→WASM demo is compiled, disassembled and invoked from JavaScript in the browser and from a standalone runtime called one time showing imports, memory views and a working print implementation; examples of file I O via host-provided imports demonstrate how Pyodide CPython on WASM and PyScript map system calls; explains tradeoffs between WASI vs emscripten, dynamic linking, JIT limits, and upcoming features (exceptions, GC, SIMD) that change how well higher-level languages compile to WASM.
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chapters (9)
- 0:00Intro
- 0:44What is WebAssembly
- 8:12Imports
- 13:22Memory
- 14:27Runtimes
- 17:32Upcoming features
- 19:26Python
- 22:23WebAssembly
- 24:30Questions
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