Full Stack Fest 2015: How to Performance, by Eileen Uchitelle

A talk from Full Stack Fest 2015 Understanding performance output can feel like reading tea leaves. It makes sense to a few people, but many of us are left in the dark; overwhelmed and frustrated by the data. On top of that there are a ton of performance tools to choose from; StackProf, RubyProf, AllocationTracer. Where do you even start While working on speeding up integration tests in Rails source, I learned that the key to improving performance of Ruby code is having a base br, br,