Ruby named params benchmark

named_params_benchmark.rb

require 'benchmark'

def normal_param(a, b)
  return [a, b]  
end

def named_param(a:, b:)
  return [a, b]
end



n = 100000

Benchmark.bm(5) do |x|
  x.report { n.times{ normal_param(1, 2) } } 
  x.report { n.times{ named_param(b: 2, a: 1) } } 
end


# ruby 2.1.5
#            user     system      total        real
#        0.020000   0.000000   0.020000 (  0.019686)
#        0.140000   0.000000   0.140000 (  0.141314)


# for ruby 2.2.4 
#            user     system      total        real
#        0.020000   0.000000   0.020000 (  0.023068)
#        0.020000   0.000000   0.020000 (  0.024493)