1
A neat XOR trick
Looking over the solutions mega-thread , it seems like not many people discovered this trick; when I posted about it , people found it to be noteworthy.
Matt Keeter
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Visit mattkeeter.com → RSS feedOn Hacker News Mar 2021 – Apr 2026
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2
Do not taunt happy fun branch predictor
I recently came up with a "clever" idea to eliminate one jump from an inner loop, and was surprised to find that it slowed things down. Allow me to explain my terrible error, so that you don't fall victim in the future.
3
Beating the Compiler
In modern times, everyone knows that writing assembly is a fool's errand: compilers are the result of literal engineer-centuries of work, and they know the processor much better than you do.
4
A tail-call interpreter in (nightly) Rust
Exploring tail-call-style interpreter implementation with an optimized Uxn emulator, on ARM, x86, and WebAssembly
5
Guided by the beauty of our test suite
Last summer, I published Raven , an independent implementation of the Uxn CPU and Varavara ordinator . In short, this is a fictional computer designed for cross-platform portability: programs targetting it can be run on any platform that implements the specification.