Benchmarking command object pattern vs PORO

benchmark_command_object_vs_poro.rb

require 'benchmark'
require 'active_support/all'

class CommandObject
  def self.execute_with(arg)
    new(arg).tap(&:run)
  end

  def initialize(arg)
    @arg = arg
  end

  def run
    @ran = true
  end
end

class PORO
  def initialize(arg)
    @arg = arg
    @ran = true
  end
end

def a_method(arg)
  @arg = arg
  @ran = true
end

n = 100_000
Benchmark.bmbm(15) do |x|
  x.report("command-object") { n.times { CommandObject.execute_with("thing") } }
  x.report("PORO")           { n.times { PORO.new("thing") } }
  x.report("method")         { n.times { a_method("thing") } }
end

# >>                       user     system      total        real
# >> command-object    0.028089   0.000126   0.028215 (  0.028239)
# >> PORO              0.016680   0.000005   0.016685 (  0.016683)
# >> method            0.007609   0.000002   0.007611 (  0.007611)