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✨ Big O ✨ Let me take you on a visual introduction to what big O notation is in my new blog post: samwho.dev/big-o. With big O notation you can better understand how algorithms will perform in practice, finding orders of magnitude improvements often with very simple changes to your code.

I only call sum once so I don’t think this technique applies. I’m running the code on a pool of web worker threads so there’s a bunch of overhead in posting messages back and forth and then with OS-level thread scheduling.