Andrew Healey's Blog

@andrew_healey@robot.villas

Software engineering experiments and performance investigations.

Source: https://healeycodes.com/feed.xml

Homepage: https://healeycodes.com/

Posts

101

Posts

Decompiling Fast Food Tycoon 2: Drawing the World #GameDev #ReverseEngineering #RetroGaming
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Oct 24, 2026
What Makes LLM Tokenization Slow? #AI #LLM #Performance
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Sep 2, 2026
Adding Go's defer to the TypeScript Compiler #TypeScript #SoftwareEngineering #Programming
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Aug 2, 2026
A Tiny Compiler for Data-Parallel Kernels #Compiler #SoftwareEngineering #DataParallelism
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Jun 25, 2026
Building a Runtime with QuickJS #QuickJS #Runtime #SoftwareEngineering
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Mar 26, 2026
Building a Shell #SoftwareEngineering #Programming #Shell
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Mar 16, 2026
A Fair, Cancelable Semaphore in Go #GoLang #Concurrency #Programming
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Dec 21, 2025
Solving NYT's Pips Puzzle #Puzzles #Games #NYT
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Oct 18, 2025
Compiling a Forth #Programming #Forth #Compiler
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Oct 6, 2025
Icepath: a 2D Programming Language #Programming #Software #Language
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Aug 22, 2025
Counting Words at SIMD Speed #Performance #SIMD #Programming
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Aug 13, 2025
Optimizing My Disk Usage Program #Software #Optimization #Performance
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Aug 7, 2025
Maybe the Fastest Disk Usage Program on macOS #Software #Performance #macOS
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Jul 31, 2025
Filesystem Backed by an LLM #AI #Tech #Software
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Jul 7, 2025
Solving Queuedle #SoftwareEngineering #ProblemSolving #Games
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May 31, 2025
How I Made Queuedle #SoftwareEngineering #GameDev #WebDevelopment
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May 28, 2025
Visualizing Chess Bitboards #Chess #Programming #DataVisualization
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Apr 13, 2025
Installing NPM Packages Very Quickly #SoftwareEngineering #Performance #DevOps
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Mar 25, 2025
Building Game Prototypes with LÖVE #GameDev #IndieDev #Programming
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Dec 31, 2024
Compiling Lisp to Bytecode and Running It #Programming #Lisp #Compiler
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Oct 15, 2024
Generating Mazes #Algorithms #Programming #GameDev
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Aug 8, 2024
Making Python Less Random #Python #Programming #Software
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Jul 8, 2024
2D Multiplayer From Scratch #GameDev #SoftwareEngineering #Multiplayer
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Jun 30, 2024
Lisp Compiler Optimizations #Lisp #Compiler #SoftwareEngineering
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May 30, 2024
Lisp to JavaScript Compiler #Programming #Compiler #Lisp
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May 26, 2024
Adding a Line Profiler to My Language #Programming #SoftwareEngineering #Performance
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Mar 26, 2024
Compressing CS2 Demos #SoftwareEngineering #Performance #Gaming
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Mar 5, 2024
A Custom WebAssembly Compiler #WebAssembly #Compiler #SoftwareEngineering
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Dec 30, 2023
Rendering Counter-Strike Demos in the Browser #Gaming #WebDev #Performance
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Nov 20, 2023
Porting Boolrule To Rust #Rust #Programming #SoftwareEngineering
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Aug 18, 2023
Running Untrusted Python Code #Python #Security #SoftwareEngineering
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Jul 27, 2023
Building Family Websites #WebDevelopment #SoftwareEngineering #FamilyTech
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May 29, 2023
My Own Python Web Framework #Python #WebDev #Software
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Feb 22, 2023
My Time At The Recurse Center #RecurseCenter #Community #SoftwareEngineering
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Feb 14, 2023
Sandboxing JavaScript Code #JavaScript #WebDev #Security
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Feb 12, 2023
Implementing Highlighting, Search, and Undo #SoftwareEngineering #DevTools #Programming
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Jan 30, 2023
Making a Text Editor with a Game Engine #SoftwareEngineering #GameDev #Programming
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Jan 25, 2023
Profiling and Optimizing an Interpreter #SoftwareEngineering #Performance #Optimization
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Jan 19, 2023
Adding For Loops to an Interpreter #Programming #SoftwareEngineering #Interpreter
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Jan 16, 2023
A Personal File Share CLI #Software #CLI #DevTools
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Dec 27, 2022