Lazy loading associations for the ActiveRecord models
Provides iteration per second benchmarking for Ruby
help to kill N+1 queries and unused eager loading
memory_profiler for ruby
Take a peek into your Rails applications.
Profiler for your development and production Ruby rack apps.
Performance profiling for Rails, made simple 🦔
A new profiler for Ruby. With a GUI
Sampling CPU profiler for Ruby
A ruby profiler. See https://ruby-prof.github.io for more information.
a sampling call-stack profiler for ruby 2.2+