Benchmarking any? all? none?

any_all_none_benchmark.rb

require 'benchmark'
cases = [
  [true, true, true, true, false, true, true, true, true, false],        # Mix
  [true, true, true, true, true, true, true, true, true, true],          # All true
  [false, false, false, false, false, false, false, false, false, false] # All false
]

Benchmark.bmbm do |x|
  cases.each do |test_case|
    x.report("any?") do
      100.times { test_case.any? }
    end
    x.report("all?") do
      100.times { test_case.all? }
    end
    x.report("none?") do
      100.times { test_case.none? }
    end
  end
end

=begin
  Rehearsal -----------------------------------------
  any?    0.000000   0.000000   0.000000 (  0.000063)
  all?    0.000000   0.000000   0.000000 (  0.000076)
  none?   0.000000   0.000000   0.000000 (  0.000046) # fastest

  any?    0.000000   0.000000   0.000000 (  0.000041) # fastest
  all?    0.000000   0.000000   0.000000 (  0.000072)
  none?   0.000000   0.000000   0.000000 (  0.000062)

  any?    0.000000   0.000000   0.000000 (  0.000060)
  all?    0.000000   0.000000   0.000000 (  0.000050) # fastest
  none?   0.000000   0.000000   0.000000 (  0.000053)
  -------------------------------- total: 0.000000sec

              user     system      total        real
  any?    0.000000   0.000000   0.000000 (  0.000033)
  all?    0.000000   0.000000   0.000000 (  0.000037)
  none?   0.000000   0.000000   0.000000 (  0.000028) # fastest

  any?    0.000000   0.000000   0.000000 (  0.000028) # fastest
  all?    0.000000   0.000000   0.000000 (  0.000047)
  none?   0.000000   0.000000   0.000000 (  0.000047)

  any?    0.000000   0.000000   0.000000 (  0.000094)
  all?    0.000000   0.000000   0.000000 (  0.000042) # fastest
  none?   0.000000   0.000000   0.000000 (  0.000064)
=end

Conclusion: better to use none? or any? rather than all?