Xorshift Generators

tobr 40 points 25 comments August 15, 2026
www.alanzucconi.com · View on Hacker News

Discussion Highlights (4 comments)

delduca

I’ve replaced Lua’s random by this. I’ve posted about it here https://nullonerror.org/2025/08/02/replacing-lua-s-math-rand...

saithound

Ah yes, Xorshift, the RANDU [1] of the 21st century [2]. There is no real use case for better non-CS generators, as explained by adrian_b back in 2021 [3]. [1] https://en.wikipedia.org/wiki/RANDU [2] https://arxiv.org/abs/1908.10020 [3] https://news.ycombinator.com/item?id=28886698

AlanZucconi

I'm really curious... How did you manage to post this link before I did?

smusamashah

> No multiplications. No divisions. No lookup tables. Just a few bitwise instructions. Would have appreciated this article more if it was written by a human.

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