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#!/usr/bin/env ruby
require 'rubygems'
require 'hpricot'
require 'xml'
require 'rexml/document'
ITERATIONS = 3
NESTED_ITERATIONS = 5
def bm(name, filename, &block)
text = File.open(filename).read
length = text.length / 1024.0 / 1024.0
puts "#{filename}: #{name} (#{(length * 1024).round} kb)"
for j in 0 .. NESTED_ITERATIONS
s = Time.now.to_f
for i in 0 .. ITERATIONS
block.call(text)
end
timer = Time.now.to_f - s
puts "\t#{length * ITERATIONS / timer} MB/s"
end
end
def bm_suite(filenames)
filenames.each do |filename|
bm("LIBXML THROUGHPUT:", filename) do |text|
XML::Document.file(filename)
end
bm("HPRICOT THROUGHPUT:", filename) do |text|
Hpricot.XML(text)
end
bm("REXML THROUGHPUT:", filename) do |text|
REXML::Document.new(text)
end
end
end
bm_suite("hamlet.xml")
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