Elektrine lite

← Feed

Jean Boussier

byroot@ruby.social

<p>Rails core, Ruby committer, Senior Principal Engineer at Intercom.</p>

Posts

  • View post

    Happy to share that today I&amp;#39;m starting as senior principal at Intercom!

  • View post

    With the new job, I didn&amp;#39;t get much time or energy to blog lately, but I figured I&amp;#39;d use the various downtime while traveling to Ruby Kaigi to write about some of the things I worked on recently: https://byroot.github.io/ruby/performance/2026/04/18/faster-paths.html

  • View post

    I wrote some more as a way to fight jet lag, hopefully it&amp;#39;s still readable 😅: https://byroot.github.io/ruby/bundler/2026/04/20/bundle-features.html

  • View post

    While it has been 18 months since I blogged about it, the json gem performance has improved quite significantly since, so now is a good time to add a few more parts to my JSON serie: https://byroot.github.io/ruby/json/2026/07/26/optimizing-ruby-json-part-8.html

  • View post

    A history of Ruby&amp;#39;s Hash tables, and how we can make them use less memory: https://byroot.github.io/ruby/performance/2026/08/05/shrinking-ruby-hashes.html

  • View post

    I&amp;#39;ll probably release the final 3.0.0 version early September, so if you got time please try the RC1 and submit any feedback you may have: https://github.com/ruby/json/releases/tag/v3.0.0.rc1

  • View post

    A quick followup on Ruby Hashes https://byroot.github.io/ruby/performance/2026/08/13/speeding-up-ruby-hashes.html