mod vs and

modvsand.rb

# comparsion of most implementations
# https://gist.github.com/29e95a9efbd3d42326af

require "benchmark"

amount = 5_000_000

Benchmark.bm do |b|
  b.report("MOD") do
    amount.times do |i|
      i%2 == 0
    end
  end

  b.report("AND") do
    amount.times do |i|
      i&1 == 0
    end
  end

  b.report("!MOD") do
    amount.times do |i|
      i%2 != 0
    end
  end
  
  b.report("!AND") do
    amount.times do |i|
      i&1 == 1
    end
  end
end