this post was submitted on 21 Oct 2024
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Programming
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Figuring out what the code is doing is not the hard part. Documenting the reason you want it to do that (domain knowledge) is the hard part.
One upvote is not enough.
I once wrote a commit message the length of a full blog post comparing 10 different alternatives for micro optimization, with benchmarks and more. The diff itself was ten lines. Shaved around 4% off the hot path (based on a sampling profiler that ran over the weekend).