News for hackers. Stuff that matters.

A comment on Finding unique items: hash vs. sort.

Re:Finding unique items: hash vs. sort by herf on Tuesday January 07, 2020 @11:07PM (#21988212)
Memory latency is everything once a hash table gets big enough. Anytime you see 100ns you should think, random read from main memory!
[ Parent | on HN ]

There are no comments on this comment yet.