#ruby #benchmark

benchmark.rb

#!/usr/bin/env ruby
require 'benchmark'

iterations = 1_000_000

Benchmark.bm do |bm|
  # joining an array of strings
  bm.report do
    iterations.times do
      ["The", "current", "time", "is", Time.now].join(" ")
    end
  end

  # using string interpolation
  bm.report do
    iterations.times do
      "The current time is #{Time.now}"
    end
  end
end

❯ ruby -v
ruby 3.3.6 (2024-11-05 revision 75015d4c1f) [x86_64-linux]

❯ curl -sSL https://gist.githubusercontent.com/gauravs/c52e35b5d6a4cbe1bc65/raw/benchmark.rb | ruby
       user     system      total        real
   1.092085   0.010109   1.102194 (  1.102220)
   0.787855   0.000000   0.787855 (  0.787861)

       user     system      total        real
   0.969262   0.008949   0.978211 (  0.978292)
   0.673414   0.001981   0.675395 (  0.675425)

@ozeias finally broke the 1 second time!

@gauravs crazy to look back and see how much faster are the new devices.