this post was submitted on 11 Feb 2025
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A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible. (www.quantamagazine.org)
submitted 1 day ago by [email protected] to c/[email protected]
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[–] [email protected] 5 points 18 hours ago

In the article, x is not the size of the hash table, it is the inverse of the table’s filling fraction. A 1000-element table that is 90% full has x=10, N=1000.

Since they’re not discussing scaling of data sizes, would be confusing to use O(N) notation or people would make that assumption.