Coincidentally I am also writing a cellular automata simulation. I've blindly given your article to my software architect subagent, who has identified several architectural improvements that it can make and has converted these into tasks to farm out to other subagents. Thanks!
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[ 3.1 ms ] story [ 23.3 ms ] threadhttps://codelabs.developers.google.com/your-first-webgpu-app...
It would be interesting to see a perf comparision. WebGPU does not have a 64 bit type but it could be emulated with a Vec2u load/store.
Just a glimpse from building software in 2025.