Some Benchmarks

typoeus_vs_em.rb

require 'em-http-request' #gem install em-http-request                                                                       
require 'typhoeus'        #gem install typhoeus                                                      
                                                                                
ENDPOINT = 'https://api.github.com/repos/rails/rails/issues'                    
ISSUE_PAGES = 6     

def benchmark(message, &code)                                                      
  start_time = Time.now                                                            
  code.call                                                                        
  end_time = Time.now                                                              
  puts "It took #{end_time - start_time} seconds #{message}"                       
end                                                                                
                                                                                   
benchmark "getting all rails' open issues with EventMachine" do                    
  EM.run do                                                                        
    @pages = 0                                                                     
    1.upto(ISSUE_PAGES) do |page|                                                  
      http = EM::HttpRequest.new(ENDPOINT).get query: {page: page, per_page: 100}
      http.callback { @pages += 1; EM.stop if @pages >= ISSUE_PAGES }              
    end                                                                            
  end                                                                              
end                                                                                
                                                                                   
benchmark "getting all rails' open issues with Typhoeus" do                        
  1.upto(ISSUE_PAGES) do |page|                                                    
    response = Typhoeus::Request.get(ENDPOINT, params: { page: page, per_page: 100})
    puts response.time                                                             
  end                                                                              
end                                                                                
                                                                                   
benchmark "getting all rails' open issues with Typhoeus' hydra" do                 
  hydra = Typhoeus::Hydra.new                                                      
  1.upto(ISSUE_PAGES) do |page|                                                    
    request = Typhoeus::Request.new(ENDPOINT, params: { page: page, per_page: 100})
    request.on_complete { |response| puts response.time }                          
    hydra.queue(request)                                                           
  end                                                                              
  hydra.run                                                                        
end