A faster day-count to Y,M,D algorithm – 30-40% speedup

Show HN: A faster day-count to Y,M,D algorithm – 30-40% speedup

A faster day-count to Y,M,D algorithm – 30-40% speedup is a company in show hn launch.

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Converting that integer to a Year, Month and Day is a fundamental calculation made in almost all programming languages and standard libraries. It runs every time a date is displayed, whether it's in a user interface, log, API etc.While it is rarely a bottleneck, it is a very frequently run algorithm, and thus has attracted a lot of attention over the years.In 2021, Cassio Neri and Lorenz Schneider developed the Neri-Schneider algorithm, which was a major breakthrough in this niche area.Lately, I have been studying this function deeply, and found what I believe may be the last remaining substantial improvements achievable on current hardware. The gains come mainly from counting dates backward

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Website: www.benjoffe.com/fast-date-64