Why Enumerable#tally Can Be Slower Than each_with_object in Ruby

April 29, 2025 Since Ruby 2.7, the Enumerable#tally method has provided a clean and elegant way to count element occurrences in an enumerable. While it's an excellent addition for code readability, many Rubyists have noticed that in performance-critical scenarios, it tends to be slower than the classic each_with_object approach. In this article, we’ll explore why … Continue reading Why Enumerable#tally Can Be Slower Than each_with_object in Ruby