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erb,erubis,slim,haml的性能比较.结果:haml不靠谱
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| # encoding: utf-8 | |
| require 'rubygems' | |
| require 'haml' | |
| require 'erb' | |
| require 'erubis' | |
| require "slim" | |
| notes = [] | |
| 20.times { notes << {:title => "标题标题", :content => "内容，内容"} } | |
| obj = { | |
| :title => '笔记本首页', | |
| :description => '笔记本' * 100, | |
| :notes => notes | |
| } | |
| haml_template = <<EOF | |
| !!! | |
| %html | |
| %head | |
| %title= obj[:title] | |
| %body | |
| #top | |
| %h1= obj[:title] | |
| #main | |
| %p= obj[:description] | |
| %ul | |
| - obj[:notes].each do |note| | |
| %li= note[:title] | |
| %li= note[:content] | |
| #foot | |
| copy right | |
| EOF | |
| slim_templet = <<EOF | |
| doctype html | |
| html | |
| head | |
| title= obj[:title] | |
| body | |
| div id="top" | |
| h1= obj[:title] | |
| div id="main" | |
| p= obj[:description] | |
| ul | |
| - obj[:notes].each do |note| | |
| li= note[:title] | |
| li= note[:content] | |
| EOF | |
| erb_template = <<EOF | |
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
| <html> | |
| <head><title><%= obj[:title] %></title></head> | |
| <body> | |
| <div id='top'> | |
| <h1><%= obj[:title] %></h1> | |
| </div> | |
| <div id='main'> | |
| <p><%= obj[:description] %></p> | |
| <ul> | |
| <% obj[:notes].each do |n| %> | |
| <li><%= n[:title] %></li> | |
| <li><%= n[:content] %></li><% end %> | |
| </ul> | |
| <div id='foot'> | |
| copy right | |
| </div> | |
| </body> | |
| </html> | |
| EOF | |
| def benchmark(engine) | |
| start = Time.now | |
| 10000.times do | |
| yield | |
| end | |
| seconds = Time.now - start | |
| puts "%s render time: %ss" % [engine, seconds] | |
| end | |
| benchmark('haml') { Haml::Engine.new(haml_template).render(Object.new, :obj => obj) } | |
| benchmark('slim') { Slim::Template.new("/tmp/ssss"){ slim_templet }.render(Object.new, :obj => obj) } | |
| benchmark('erb') { ERB.new(erb_template).result } | |
| benchmark('erubis') { Erubis::Eruby.new(erb_template).result } | |
| haml render time: 34.386436s | |
| slim render time: 24.525808s | |
| erb render time: 3.324529s | |
| erubis render time: 2.793995s |
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