condition-vs-compact.rb

require 'benchmark'

ITERATIONS = 1_000_000

srand(1)

s = (1..100).to_a
s += [nil] * 50

s.shuffle!

Benchmark.bm(10) do |bm|
  bm.report('condition') do
    ITERATIONS.times do
      t = []

      s.each do |e|
        t.push if e
      end
    end
  end

  bm.report('compact') do
    ITERATIONS.times do
      t = []
      
      s.each do |e|
        t.push
      end

      t.compact
    end
  end

  bm.report('compact!') do
    ITERATIONS.times do
      t = []
      
      s.each do |e|
        t.push
      end

      t.compact!
    end
  end
end