Info

Benchmarking difference in performance of rendering simple Underscore template - classic vs. precompiled

Preparation code

<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.0-rc.2/lodash.min.js"></script>

<script>
  var lodash = _.noConflict();
</script>
 
<script>
  Benchmark.prototype.setup = function() {
    var _ = window.lodash;
    
    var template = '<div class="item <%= id %>">' +
                   '  <h1><%= title %></h1>' +
                   '  <p><%= desc %></p>' +
                   '  <ul class="attributes">' +
                   '    <li><%= attrs.dimensions %></li>' +
                   '    <li><%= attrs.weight %></li>' +
                   '    <li><%= attrs.price %></li>' +
                   '  </ul>' +
                   '</div>';
    
    var templateFuncPrecompiled = eval("(" + _.template(template).source + ")");
    
  };
</script>

Preparation code output

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

var output = _.template(template, {               // render template
  id: 5,
  title : 'Hello World!',
  desc  : 'Ordianry item',
  attrs : {
    dimensions : '100cm x 100cm x 20cm',
    weight     : '15kg',
    price      : '10EUR'
  }
});

var output = templateFuncPrecompiled({  // render template
  id: 5,
  title : 'Hello World!',
  desc  : 'Ordianry item',
  attrs : {
    dimensions : '100cm x 100cm x 20cm',
    weight     : '15kg',
    price      : '10EUR'
  }
});

Compare results of other browsers

Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published on 6th December 2012
• Revision 2: published on 11th December 2012
• Revision 3: published by Dave on 31st January 2013
• Revision 4: published by Andrei Zharau on 31st January 2013
• Revision 5: published on 21st March 2013
• Revision 6: published on 29th March 2013
• Revision 7: published 2 weeks ago

0 comments