How I Found the Meaning of Life Thanks to WebAssembly
summary
A developer implements Conway’s Game of Life in the browser and measures performance: naive JavaScript on a 100×100 grid spends most time computing cell state, so computation is moved into a Rust WebAssembly (wasm) module built with wasm-pack and integrated via generated JS. Rendering stays the bottleneck, so the approach compromises by rendering every frame or every 10th generation; benchmarks show the Rust/Wasm compute time stays much lower than JS as grid size increases.
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chapters (10)
- 0:00Introduction
- 1:50Game of Life discovery
- 3:39Game of Life rules
- 5:26Naive JavaScript impl
- 7:57Performance crisis
- 9:46WebAssembly discovery
- 11:56Optimization results
- 13:41Performance gains
- 14:43JS vs WASM comparison
- 15:06Conclusion
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