orlp
orlp.net · Personal blog · on HN since 2023
orlp writes about math and low-level optimization, covering hashing, floating-point sums, sorting, and number formulas.
What HN saysThe author himself describes the blog as mathy or low-level optimization content; commenters link his Fibonacci formulae and floating-point sum posts as related reading.
19HN people shared it
3linked it in comments
30stories submitted
609story points
3 months agolast shared
2023people per year2026
Most-shared posts
- 1Magical Fibonacci Formulae4 people · 3 points · first shared 2023 · discussion on HN
- 2Subtraction Is Functionally Complete3 people · 16 points · first shared 2023 · 3 comments on HN
- 3Ordering Numbers, How Hard Can It Be?3 people · 7 points · first shared 2023 · 1 comments on HN
- 4The Smallest Hash Table3 people · 6 points · first shared 2023 · discussion on HN
- 5Bitwise Binary Search: Elegant and Fast3 people · 4 points · first shared 2023 · discussion on HN
- 6When Random Isn't2 people · 383 points · first shared 2024 · 147 comments on HN
- 7Taming floating-point sums2 people · 120 points · first shared 2024 · 57 comments on HN
- 8Breaking CityHash64, MurmurHash2/3, wyhash, and more2 people · 50 points · first shared 2024 · 23 comments on HN
- 9Why Bad AI Is Here to Stay2 people · 9 points · first shared 2025 · 3 comments on HN
- 10Extracting and Depositing Bits2 people · 4 points · first shared 2024 · discussion on HN
- 11Branchless Lomuto Partitioning2 people · 4 points · first shared 2023 · 1 comments on HN
- 12Sorting with Fibonacci numbers, and a Knuth reward check2 people · 3 points · first shared 2026 · discussion on HN
- 13Homepage1 people · first shared 2023
What HN people wrote when they linked it
orlp · 2023-07-07
https://orlp.net/
I post occasionally, usually with mathy or low-level optimization content.
verdverm · 2023-12-11
I remember having to prove Binet's formula[1] for a math class and then going back to my CS classes and asking why they never showed us that it existed. I'm not sure they knew it existed either
[1](https://orlp.net/blog/magical-fibonacci-formulae/#an-interlude-by-bine…
conradludgate · 2026-08-11