Testing different HTTP libraries locally because RestClient was suddenly very slow -- resolved by disabling IPv6

google.rb

require 'curb'
require 'faraday'
require 'open-uri'
require 'rest_client'

def time_request
  t = Time.now
  yield
  puts Time.now - t
end

puts 'RestClient::Request.execute - Google'
time_request do
  RestClient::Request.execute method: :get,
                              url: 'http://www.google.com',
                              verify_ssl: false
end

puts 'RestClient.get - Google'
time_request { RestClient.get 'http://www.google.com' }

puts 'RestClient::Request.execute - ShareProgress'
time_request do
  RestClient::Request.execute method: :get,
                              url: 'http://www.shareprogress.org',
                              verify_ssl: false
end

puts 'RestClient.get - ShareProgress'
time_request { RestClient.get 'http://www.shareprogress.org' }

puts 'Faraday - Google'
time_request { Faraday.get 'http://www.google.com' }

puts 'Faraday - ShareProgress'
time_request { Faraday.get 'http://www.shareprogress.org' }

puts 'Curb - Google'
time_request { Curl.get 'http://www.google.com' }

puts 'Curb - ShareProgress'
time_request { Curl.get 'http://www.shareprogress.org' }

puts 'OpenURI - Google'
time_request { open 'http://www.google.com' }

puts 'OpenURI - ShareProgress'
time_request { open 'http://www.shareprogress.org' }

=begin
Before OS X 10.10.5 minor update
➜  rest-client-test  ruby google.rb
RestClient::Request.execute - Google
75.881678
RestClient.get - Google
76.000461
RestClient::Request.execute - ShareProgress
0.735622
RestClient.get - ShareProgress
0.626592
Faraday - Google
75.876968
Faraday - ShareProgress
2.438925
Curb - Google
0.468604
Curb - ShareProgress
0.539166
OpenURI - Google
75.780801
OpenURI - ShareProgress
37.06483
=end

=begin
After minor OS X update
➜  rest-client-test  ruby google.rb
RestClient::Request.execute - Google
76.067128
RestClient.get - Google
75.677644
RestClient::Request.execute - ShareProgress
151.087718
RestClient.get - ShareProgress
226.896379
Faraday - Google
75.301587
Faraday - ShareProgress
151.23906
Curb - Google
0.621641
Curb - ShareProgress
0.8601
OpenURI - Google
75.43544
OpenURI - ShareProgress
151.192143
=end

=begin
After disabling IPv6: `networksetup -setv6off Wi-Fi`
➜  rest-client-test  ruby google.rb
RestClient::Request.execute - Google
0.187986
RestClient.get - Google
0.160979
RestClient::Request.execute - ShareProgress
0.672475
RestClient.get - ShareProgress
0.516221
Faraday - Google
0.173817
Faraday - ShareProgress
0.554849
Curb - Google
0.252705
Curb - ShareProgress
0.513942
OpenURI - Google
0.143574
OpenURI - ShareProgress
0.352297
=end