Benchmarking content-type and http_headers/content_type gems

.ruby-version

2.7.6

benchmark.rb

require "content-type"
require 'http_headers/content_type'
require 'benchmark'

headers = [
  'application/java-archive',
  "application/EDI-X12",
  'application/EDIFACT',
  'application/javascript',
  'application/octet-stream',
  'application/ogg',
  'application/pdf',
  'application/xhtml+xml',
  'application/x-shockwave-flash',
  'application/json',
  'application/ld+json',
  'application/xml',
  'application/zip',
  'application/x-www-form-urlencoded',
  '   application/x-www-form-urlencoded   ',
  '    application/json   ',
  "application/json; charset=UTF-8",
  "application/json; charset=utf-8",
  'application/ld+json charset=utf-8',
  'application/x-www-form-urlencoded charset=utf-8',
  'application/x-www-form-urlencoded charset=UTF-8',
  'application/xml charset=UTF-8',
  'application/xml charset=utf-8',
]

headers.each do |header|
  puts "Header: #{header}"

  begin
    puts "Content-Type subtype: #{ContentType.parse(header).subtype}"
  rescue => e
    puts "Content-Type error raised: #{e.message}"
  end

  puts "HTTPHeaders::ContentType content_type: #{HttpHeaders::ContentType.new(header).content_type}"
end

puts "----"
puts "Now let's benchmark these gems..."
puts "----"

n = 50_000

Benchmark.bm do |benchmark|
  benchmark.report("ContentType") do
    n.times do
      begin
        ContentType.parse("application/json").subtype
      rescue => e
      end
    end
  end

  benchmark.report("HttpHeaders::ContentType") do
    n.times do
      HttpHeaders::ContentType.new("application/json").content_type
    end
  end
end

Gemfile

source "https://rubygems.org"

gem "content-type", "0.0.1"
gem "http_headers-content_type"

result.txt

Header: application/java-archive
Content-Type subtype: java-archive
HTTPHeaders::ContentType content_type: application/java-archive
Header: application/EDI-X12
Content-Type subtype: edi-x12
HTTPHeaders::ContentType content_type: application/EDI-X12
Header: application/EDIFACT
Content-Type subtype: edifact
HTTPHeaders::ContentType content_type: application/EDIFACT
Header: application/javascript
Content-Type subtype: javascript
HTTPHeaders::ContentType content_type: application/javascript
Header: application/octet-stream
Content-Type subtype: octet-stream
HTTPHeaders::ContentType content_type: application/octet-stream
Header: application/ogg
Content-Type subtype: ogg
HTTPHeaders::ContentType content_type: application/ogg
Header: application/pdf
Content-Type subtype: pdf
HTTPHeaders::ContentType content_type: application/pdf
Header: application/xhtml+xml
Content-Type subtype: xhtml+xml
HTTPHeaders::ContentType content_type: application/xhtml+xml
Header: application/x-shockwave-flash
Content-Type subtype: x-shockwave-flash
HTTPHeaders::ContentType content_type: application/x-shockwave-flash
Header: application/json
Content-Type subtype: json
HTTPHeaders::ContentType content_type: application/json
Header: application/ld+json
Content-Type subtype: ld+json
HTTPHeaders::ContentType content_type: application/ld+json
Header: application/xml
Content-Type subtype: xml
HTTPHeaders::ContentType content_type: application/xml
Header: application/zip
Content-Type subtype: zip
HTTPHeaders::ContentType content_type: application/zip
Header: application/x-www-form-urlencoded
Content-Type subtype: x-www-form-urlencoded
HTTPHeaders::ContentType content_type: application/x-www-form-urlencoded
Header:    application/x-www-form-urlencoded   
Content-Type error raised: Failed to match sequence (type:TYPE '/' subtype:SUBTYPE PARAMETERS{0, }) at line 1 char 1.
HTTPHeaders::ContentType content_type: application/x-www-form-urlencoded
Header:     application/json   
Content-Type error raised: Failed to match sequence (type:TYPE '/' subtype:SUBTYPE PARAMETERS{0, }) at line 1 char 1.
HTTPHeaders::ContentType content_type: application/json
Header: application/json; charset=UTF-8
Content-Type subtype: json
HTTPHeaders::ContentType content_type: application/json
Header: application/json; charset=utf-8
Content-Type subtype: json
HTTPHeaders::ContentType content_type: application/json
Header: application/ld+json charset=utf-8
Content-Type error raised: Failed to match sequence (type:TYPE '/' subtype:SUBTYPE PARAMETERS{0, }) at line 1 char 20.
HTTPHeaders::ContentType content_type: application/ld+json charset=utf-8
Header: application/x-www-form-urlencoded charset=utf-8
Content-Type error raised: Failed to match sequence (type:TYPE '/' subtype:SUBTYPE PARAMETERS{0, }) at line 1 char 34.
HTTPHeaders::ContentType content_type: application/x-www-form-urlencoded charset=utf-8
Header: application/x-www-form-urlencoded charset=UTF-8
Content-Type error raised: Failed to match sequence (type:TYPE '/' subtype:SUBTYPE PARAMETERS{0, }) at line 1 char 34.
HTTPHeaders::ContentType content_type: application/x-www-form-urlencoded charset=UTF-8
Header: application/xml charset=UTF-8
Content-Type error raised: Failed to match sequence (type:TYPE '/' subtype:SUBTYPE PARAMETERS{0, }) at line 1 char 16.
HTTPHeaders::ContentType content_type: application/xml charset=UTF-8
Header: application/xml charset=utf-8
Content-Type error raised: Failed to match sequence (type:TYPE '/' subtype:SUBTYPE PARAMETERS{0, }) at line 1 char 16.
HTTPHeaders::ContentType content_type: application/xml charset=utf-8
----
Now let's benchmark these gems...
----
       user     system      total        real
ContentType 21.963035   0.231030  22.194065 ( 22.385176)
HttpHeaders::ContentType  0.269696   0.002902   0.272598 (  0.274939)