benchmark.rb

#!/usr/bin/env ruby -s
# -*- coding: utf-8 -*-
$:.unshift "#{File.dirname(__FILE__)}/../lib"
require 'axlsx'
require 'csv'

require 'benchmark'
row = []
input = (32..126).to_a.pack('U*').chars.to_a
20.times { row << input.shuffle.join}
times = 40000
Benchmark.bm(100) do |x|
  # No Autowidth
  x.report('axlsx_noautowidth') {

    p = Axlsx::Package.new
    p.use_autowidth = false
    wb = p.workbook

    #A Simple Workbook

    wb.add_worksheet do |sheet|
      times.times do
        sheet << row
      end
    end
    p.serialize("example_noautowidth.xlsx")
  }

   x.report('axlsx') {
     p = Axlsx::Package.new
     wb = p.workbook

     #A Simple Workbook

     wb.add_worksheet do |sheet|
       times.times do
         sheet << row
       end
     end
     p.serialize("example_autowidth.xlsx")
   }

   x.report('axlsx_shared') {
     p = Axlsx::Package.new
     wb = p.workbook

     #A Simple Workbook

     wb.add_worksheet do |sheet|
       times.times do
         sheet << row
       end
     end
     p.use_shared_strings = true
     p.serialize("example_shared.xlsx")
   }

   x.report('axlsx_stream') {
     p = Axlsx::Package.new
     wb = p.workbook

  #   #A Simple Workbook

     wb.add_worksheet do |sheet|
       times.times do
         sheet << row
       end
     end

     s = p.to_stream()
     File.open('example_streamed.xlsx', 'w') { |f| f.write(s.read) }
  }
  x.report('csv') {
    CSV.open("example.csv", "wb") do |csv|
      times.times do
        csv << row
      end
    end
  }
end

#                            user     system      total        real
#axlsx_noautowidth      68.130000   1.690000  69.820000 ( 80.257108)
#axlsx                  61.520000   2.290000  63.810000 ( 78.187423)
#axlsx_shared           60.170000   1.410000  61.580000 ( 73.999360)
#axlsx_stream           52.110000   1.360000  53.470000 ( 61.980672)
#csv                    10.670000   0.930000  11.600000 ( 14.901387)