About Me

A Staff Software Engineer focused on Ruby, Compilers and performance. I work at GitHub on the Ruby Architecture team improving Ruby upstream for everyone.

Previously: 🔧 Procore, 📞 Invoca, 🧑‍🏫 Lesson Planet

Projects

• Ruby Explorer
• Ruby.wasm Todo
• Puzzle Engine
• BF3D
• Dotal

Games

• Totally Fine Library
• Signal State Run Identifier
• minesweeper [source]
• Solitaire [source]

Talks

Finding Memory Leaks in the Ruby Ecosystem

Words

• ruby bytecode patterns
• ruby regex engine
• embedding lua by example
• handmade seattle 2022 notes
• invoca hackathon
• orbtoberfest 2019
• pebble rocks hackathon
• speaking about performance
• your disk is a liability

Contributions

You can find a list of my open source contributions on Github here,

https://github.com/pulls?utf8=%E2%9C%93&q=is%3Apr+author%3AHParker+is%3Apublic

Shoutouts

Shoutout from Adrianna Chang’s talk at Rails world 2023

Migrating Shopify’s Core Rails Monolith to Trilogy

Shoutout from maximecb’s 2023 Ruby Kaigi talk

Optimizing YJIT’s Performance, from Inception to Production

YARP/PRISM mirroring: https://bugs.ruby-lang.org/issues/19741

Socials

• ruby.social/@HParker
• github.com/hparker