Andrew Healey
3 weeks ago
A Fair, Cancelable Semaphore in Go
Building a fair, cancelable semaphore in Go and the subtle concurrency issues involved.
Programming
Go
0 views
Latest Posts
(20 found)
Open Source
0 views
Andrew Healey
4 months ago
Icepath: a 2D Programming Language
Sliding around a cave and hitting opcodes.
Gaming
0 views
Andrew Healey
5 months ago
Counting Words at SIMD Speed
Rewriting a word counting program five times until it's 494x faster.
Performance
0 views
Andrew Healey
5 months ago
Optimizing My Disk Usage Program
Increasing performance by reducing thread scheduling overhead and lock contention.
Backend
0 views
Andrew Healey
5 months ago
Maybe the Fastest Disk Usage Program on macOS
A very fast du -sh clone for macOS.
0 views
Andrew Healey
6 months ago
Filesystem Backed by an LLM
FUSE filesystem where file operations are handled by an LLM.
0 views
0 views
Andrew Healey
7 months ago
How I Made Queuedle
A daily word-sliding puzzle game inspired by Wordle and Scrabble.
Web Development
0 views
Andrew Healey
9 months ago
Visualizing Chess Bitboards
Brief introduction to chess bitboards and move generation with animations.
Data Visualization
0 views
Andrew Healey
9 months ago
Installing NPM Packages Very Quickly
Building a package manager with a fast install step.
Tutorial
0 views
0 views
Andrew Healey
1 years ago
Compiling Lisp to Bytecode and Running It
Extending my Lisp compiler and adding a fast virtual machine.
0 views
Andrew Healey
1 years ago
Generating Mazes
Visualizations and techniques for different maze generation algorithms.
0 views
Andrew Healey
1 years ago
Making Python Less Random
Using ptrace to intercept and modify a process's getrandom syscall.
Python
Security
0 views
Andrew Healey
1 years ago
2D Multiplayer From Scratch
Exploring patterns and systems for creating realtime browser games.
0 views
0 views
Rust
JavaScript
0 views
Andrew Healey
1 years ago
Adding a Line Profiler to My Language
Creating my own developer tooling, and some thoughts on line profilers.
0 views
0 views