Фото: Johan Nilsson / TT / Reuters
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After the free win and lipgloss changes, I noticed that ~15% of my CPU time was spent in gcBgMarkWorker - the go garbage collector. That is a lot of time to spend thinking about garbage collection.
For well-distributed points, nearest neighbor search is often near O(logn)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.