Benchmark for Hanami::Utils::Kernel.numeric?

numeric_bench.rb

#!/usr/bin/env ruby
require 'benchmark/ips'

module Hanami
  module Utils
    module Kernel
      NUMERIC_MATCHER = /\A([\d\/\.\+iE]+|NaN|Infinity)\z/

      def self.numeric?(arg)
        arg.to_s.match(NUMERIC_MATCHER)
      end

      def self.double_negation_numeric?(arg)
        !!arg.to_s.match(NUMERIC_MATCHER)
      end

      def self.not_nil_numeric?(arg)
        !arg.to_s.match(NUMERIC_MATCHER).nil?
      end
    end
  end
end

Benchmark.ips do |x|
  x.report('current')   { Hanami::Utils::Kernel.numeric?(23) }
  x.report('double !!') { Hanami::Utils::Kernel.double_negation_numeric?(23) }
  x.report('!nil?')     { Hanami::Utils::Kernel.not_nil_numeric?(23) }
  x.compare!
end

__END__
Results:

MRI 2.3

Warming up --------------------------------------
             current    53.782k i/100ms
           double !!    54.268k i/100ms
               !nil?    54.237k i/100ms
Calculating -------------------------------------
             current    848.395k (± 5.8%) i/s -      4.249M
           double !!    834.871k (± 4.5%) i/s -      4.179M
               !nil?    826.867k (± 4.3%) i/s -      4.176M

Comparison:
             current:   848395.1 i/s
           double !!:   834870.6 i/s - same-ish: difference falls within error
               !nil?:   826866.9 i/s - same-ish: difference falls within error

MRI 2.2

Warming up --------------------------------------
             current    66.096k i/100ms
           double !!    66.132k i/100ms
               !nil?    65.040k i/100ms
Calculating -------------------------------------
             current    808.732k (± 4.6%) i/s -      4.098M in   5.078148s
           double !!    804.129k (± 4.6%) i/s -      4.034M in   5.028391s
               !nil?    786.999k (± 4.7%) i/s -      3.967M in   5.052622s

Comparison:
             current:   808731.8 i/s
           double !!:   804128.9 i/s - same-ish: difference falls within error
               !nil?:   786999.4 i/s - same-ish: difference falls within error

JRUBY 9.0.5.0

Warming up --------------------------------------
             current    64.479k i/100ms
           double !!    89.755k i/100ms
               !nil?    93.341k i/100ms
Calculating -------------------------------------
             current      1.847M (± 5.0%) i/s -      9.220M in   5.005233s
           double !!      1.753M (± 5.8%) i/s -      8.796M in   5.040223s
               !nil?      1.769M (± 3.8%) i/s -      8.867M in   5.020606s

Comparison:
             current:  1847004.7 i/s
               !nil?:  1768749.9 i/s - same-ish: difference falls within error
           double !!:  1752919.2 i/s - same-ish: difference falls within error

Ruby:

    ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-darwin14]

Hardware:

    Hardware Overview:

      Model Name: MacBook Pro
      Model Identifier: MacBookPro12,1
      Processor Name: Intel Core i7
      Processor Speed: 3.1 GHz
      Number of Processors: 1
      Total Number of Cores: 2
      L2 Cache (per Core): 256 KB
      L3 Cache: 4 MB
      Memory: 16 GB
      Boot ROM Version: MBP121.0167.B16
      SMC Version (system): 2.28f7

Software:

    System Software Overview:

      System Version: OS X 10.11.4 (15E65)
      Kernel Version: Darwin 15.4.0
      Time since boot: 5:57