Benchmark of basic strict type checking - dry-types VS kind

benchmark.rb

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'

  gem 'benchmark-ips', '~> 2.8', '>= 2.8.4'
  gem 'dry-types', '~> 1.5', '>= 1.5.1'
  gem 'kind', '~> 5.4'
end

require 'kind'
require 'dry-types'

module Types
  include Dry.Types()
end

STR = ''.freeze

require 'benchmark/ips'

# require 'kind/strict/disabled'

Benchmark.ips do |x|
  x.report('dry-types') { Types::Strict::String[STR] }
  x.report('kind object') { Kind::String[STR] }
  x.report('kind dynamic checking') { Kind.of(String, STR) }

  x.compare!
end

# =============================================
# Result using `require "kind/strict/disabled"`
# =============================================

# Warming up --------------------------------------
#             dry-types  304.522k i/100ms
#           kind object  731.471k i/100ms
# kind dynamic checking  732.261k i/100ms
# Calculating -------------------------------------
#             dry-types     3.108M (± 1.3%) i/s -     15.835M in   5.095952s
#           kind object     7.339M (± 1.4%) i/s -     37.305M in   5.084224s
# kind dynamic checking     7.280M (± 2.2%) i/s -     36.613M in   5.031921s

# Comparison:
#           kind object:  7338937.4 i/s
# kind dynamic checking:  7280016.1 i/s - same-ish: difference falls within error
#             dry-types:  3107904.0 i/s - 2.36x  (± 0.00) slower


# ===============================================
# Result without `require "kind/strict/disabled"`
# ===============================================

# Warming up --------------------------------------
#             dry-types  320.100k i/100ms
#           kind object  527.765k i/100ms
# kind dynamic checking  653.915k i/100ms
#
# Calculating -------------------------------------
#             dry-types     3.269M (± 1.2%) i/s -     16.645M in   5.092458s
#           kind object     5.223M (± 1.4%) i/s -     26.388M in   5.053669s
# kind dynamic checking     6.378M (± 1.4%) i/s -     32.042M in   5.024411s

# Comparison:
# kind dynamic checking:  6378458.9 i/s
#           kind object:  5222670.1 i/s - 1.22x  (± 0.00) slower
#             dry-types:  3269064.8 i/s - 1.95x  (± 0.00) slower