Decoding Base64 at 4 GB/s with SIMD
How vectorized lookup and a couple of bit-packing tricks turn a memory-bound loop into a memcpy-fast monster.
Ramblings
i write here to think out loud — about systems, tools, things i've built, and occasionally something that has nothing to do with any of that.
all
Systems
C
Performance
SIMD
Programming
Functional
Theory
Software
Opinion
Databases
Learning
Writing
Understanding Recursion in Functional Programming
How recursive thinking shapes clean, elegant solutions — and when to reach for it.
The Case for Boring Technology
Why choosing well-understood tools is often the most sophisticated decision you can make.
Notes on Building a Database from Scratch
What writing a tiny SQL engine taught me about indexes, storage, and trade-offs.
On Learning in Public
The uncomfortable but useful practice of showing unfinished work.