• Bio
• Abstract
• Notes from @myronmarston
• Notes from @simeonwillbanks
• Introduction
• What does performance mean?
• High Performance?
• Fast Enough?
• Performance Wall
• Native Extensions
• What We Want
• Different Approach
• Build or Buy
• JRuby choose JVM
• But Java Is Slow?
• JRuby
• Can Still Be Faster
• Goal is to Align Ruby with JVM
• Unnecessary Work
• Method Lookup
• Bottom Line of Optimizing Ruby
• Invokedynamics
• JVM 101
• How do we know JRuby is fast?
• JVM opto 101
• Moral
• Rails?
• What is next?
• Wacky stuff?
• The Future
• External Links