Lotus::Utils vs ActiveSupport benchmarks

class_loading_benchmark.rb

#!/usr/bin/env ruby
require 'benchmark'
require 'rubygems'
require 'active_support/core_ext/string/inflections' # v4.1.4
require 'lotus/utils/class'                          # v0.2.0

TIMES = (ENV['TIMES'] || 1_000_000).to_i

class Foo
end

module Bookshelf
  class Application
  end
end

Benchmark.bm(45) do |bm|
  bm.report 'ActiveSupport String#constantize' do
    TIMES.times do
      'Foo'.constantize
    end
  end

  bm.report 'ActiveSupport String#constantize (namespaced)' do
    TIMES.times do
      'Bookshelf::Application'.constantize
    end
  end

  bm.report 'Lotus::Utils::Class#load!' do
    TIMES.times do
      Lotus::Utils::Class.load!('Foo')
    end
  end

  bm.report 'Lotus::Utils::Class#load! (namespaced)' do
    TIMES.times do
      Lotus::Utils::Class.load!('Bookshelf::Application')
    end
  end
end

__END__
Output:

                                                    user     system      total        real
ActiveSupport String#constantize                1.420000   0.000000   1.420000 (  1.427461)
ActiveSupport String#constantize (namespaced)   2.200000   0.000000   2.200000 (  2.211522)
Lotus::Utils::Class#load!                       6.050000   0.150000   6.200000 (  6.200094)
Lotus::Utils::Class#load! (namespaced)          6.530000   0.120000   6.650000 (  6.658441)

Ruby:

  ruby 2.1.2p95 (2014-05-08 revision 45877) [x86_64-darwin13.0]

Hardware:

    Hardware Overview:

      Model Name: MacBook Air
      Model Identifier: MacBookAir5,2
      Processor Name: Intel Core i7
      Processor Speed: 2 GHz
      Number of Processors: 1
      Total Number of Cores: 2
      L2 Cache (per Core): 256 KB
      L3 Cache: 4 MB
      Memory: 8 GB
      Boot ROM Version: MBA51.00EF.B02
      SMC Version (system): 2.5f9

Software:

    System Software Overview:

      System Version: OS X 10.9.4 (13E28)
      Kernel Version: Darwin 13.3.0
      Time since boot: 10 days 23:14

hash_benchmark.rb

#!/usr/bin/env ruby
require 'benchmark'
require 'rubygems'
require 'active_support/core_ext/hash/keys' # v4.1.4
require 'lotus/utils/hash'                  # v0.2.0

TIMES = (ENV['TIMES'] || 1_000_000).to_i

class Hash
  def nested_symbolize_keys!
    symbolize_keys!
    values.select { |v| v.is_a?(::Hash) }.each { |h| h.nested_symbolize_keys! }
  end
end

Benchmark.bm(40) do |bm|
  bm.report 'ActiveSupport Hash#symbolize_keys!' do
    TIMES.times do
      Hash['a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5].symbolize_keys!
    end
  end

  bm.report 'ActiveSupport Hash#nested_symbolize_keys!' do
    TIMES.times do
      Hash['a' => {'b' => {'c' => { 'd' => { 'e' => 5 }}}}].nested_symbolize_keys!
    end
  end

  bm.report 'Lotus::Utils::Hash#symbolize!' do
    TIMES.times do
      Lotus::Utils::Hash.new('a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5).symbolize!
    end
  end

  bm.report 'Lotus::Utils::Hash#symbolize! (nested)' do
    TIMES.times do
      Lotus::Utils::Hash.new('a' => {'b' => {'c' => { 'd' => { 'e' => 5 }}}}).symbolize!
    end
  end
end

__END__
Output:
                                               user     system      total        real
ActiveSupport Hash#symbolize_keys!         3.600000   0.190000   3.790000 (  3.795016)
ActiveSupport Hash#nested_symbolize_keys!  8.790000   0.440000   9.230000 (  9.243124)
Lotus::Utils::Hash#symbolize!              4.260000   0.190000   4.450000 (  4.450569)
Lotus::Utils::Hash#symbolize! (nested)     9.690000   0.880000  10.570000 ( 10.584159)

Ruby:

  ruby 2.1.2p95 (2014-05-08 revision 45877) [x86_64-darwin13.0]
Hardware:

    Hardware Overview:

      Model Name: MacBook Air
      Model Identifier: MacBookAir5,2
      Processor Name: Intel Core i7
      Processor Speed: 2 GHz
      Number of Processors: 1
      Total Number of Cores: 2
      L2 Cache (per Core): 256 KB
      L3 Cache: 4 MB
      Memory: 8 GB
      Boot ROM Version: MBA51.00EF.B02
      SMC Version (system): 2.5f9

Software:

    System Software Overview:

      System Version: OS X 10.9.4 (13E28)
      Kernel Version: Darwin 13.3.0
      Time since boot: 10 days 23:14

string_benchmark.rb

#!/usr/bin/env ruby
require 'benchmark'
require 'rubygems'
require 'active_support/core_ext/string/inflections' # v4.1.4
require 'lotus/utils/string'                         # v0.2.0

TIMES = (ENV['TIMES'] || 1_000_000).to_i

Benchmark.bm(35) do |bm|
  bm.report 'ActiveSupport String#classify' do
    TIMES.times do
      'underscored_string'.classify
    end
  end

  bm.report 'ActiveSupport String#demodulize' do
    TIMES.times do
      'A::Deeply::Nested::Class'.demodulize
    end
  end

  bm.report 'ActiveSupport String#underscore' do
    TIMES.times do
      'CapitalizedString'.underscore
    end
  end

  bm.report 'Lotus::Utils::String#classify' do
    TIMES.times do
      Lotus::Utils::String.new('underscored_string').classify
    end
  end

  bm.report 'Lotus::Utils::String#demodulize' do
    TIMES.times do
      Lotus::Utils::String.new('A::Deeply::Nested::Class').demodulize
    end
  end

  bm.report 'Lotus::Utils::String#underscore' do
    TIMES.times do
      Lotus::Utils::String.new('CapitalizedString').underscore
    end
  end
end

__END__
Output:

                                          user     system      total        real
ActiveSupport String#classify        47.620000   0.210000  47.830000 ( 47.875772)
ActiveSupport String#demodulize       0.770000   0.000000   0.770000 (  0.773039)
ActiveSupport String#underscore      38.290000   1.300000  39.590000 ( 39.615472)
Lotus::Utils::String#classify         3.160000   0.020000   3.180000 (  3.186800)
Lotus::Utils::String#demodulize       1.500000   0.030000   1.530000 (  1.522385)
Lotus::Utils::String#underscore       7.500000   0.170000   7.670000 (  7.673750)

Ruby:

  ruby 2.1.2p95 (2014-05-08 revision 45877) [x86_64-darwin13.0]

Hardware:

    Hardware Overview:

      Model Name: MacBook Air
      Model Identifier: MacBookAir5,2
      Processor Name: Intel Core i7
      Processor Speed: 2 GHz
      Number of Processors: 1
      Total Number of Cores: 2
      L2 Cache (per Core): 256 KB
      L3 Cache: 4 MB
      Memory: 8 GB
      Boot ROM Version: MBA51.00EF.B02
      SMC Version (system): 2.5f9

Software:

    System Software Overview:

      System Version: OS X 10.9.4 (13E28)
      Kernel Version: Darwin 13.3.0
      Time since boot: 10 days 23:14