excel_gems_memory_comparasion.rb

# frozen_string_literal: true

require 'axlsx'                 # https://github.com/randym/axlsx
require 'rubyXL'                # https://github.com/weshatheleopard/rubyXL
require 'spreadsheet'           # https://github.com/zdavatz/spreadsheet
require 'memory_profiler'

rows = 1_000
columns = 20

report = MemoryProfiler.report do
  # axlsx
  package = Axlsx::Package.new
  package.workbook.add_worksheet(name: 'Test') do |sheet|
    rows.times do
      sheet.add_row(Array.new(columns, 'test data'))
    end
  end

  package.serialize('tmp/test_axlsx.xlsx')

  # rubyXL
  workbook = RubyXL::Workbook.new
  worksheet = workbook.worksheets[0]
  worksheet.sheet_name = 'Test'

  rows.times do |row|
    columns.times do |column|
      worksheet.insert_cell(row, column, 'test data')
    end
  end

  workbook.write('tmp/test_rubyxl.xlsx')

  # spreadsheet
  book = Spreadsheet::Workbook.new
  sheet1 = book.create_worksheet(name: 'Test')

  rows.times do |row|
    sheet1.update_row(row, *Array.new(columns, 'test data'))
  end

  book.write('tmp/test_spreadsheet.xlsx')
end

report.pretty_print

# allocated memory by gem
# -----------------------------------
# 65986601  rubyXL-3.3.30
# 32016168  spreadsheet-1.1.7
# 23049567  axlsx-3.0.0.pre

# retained memory by gem
# -----------------------------------
# 1102664  axlsx-3.0.0.pre
#    5384  rubyXL-3.3.30
#    3806  spreadsheet-1.1.7