Post #24705 19 Jan 22, 2026, 10:23 UTC Building Your Own Efficient uint128 in C++https://solidean.com/blog/2026/building-your-own-u128/https://redd.it/1qi0qv3@r_cpp Solidean Building Your Own Efficient uint128 in C++ | Solidean A practical walk-through of a fixed-width uint128 implementation in modern C++.