Underscore templates - classic vs. precompiled (v13)

Revision 13 of this benchmark created on

Description

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

Preparation HTML

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

<script>
  var lodash = _.noConflict();
</script>

Setup

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 = new Function('return ' + "(" + _.template(template).source + ")");
    console.log(templateFuncPrecompiled);

Test runner

Ready to run.

Testing in WebKit 537.36 / undefined
TestOps/sec
classic
var templateFunc = _.template(template);  // compile template
var output = templateFunc({               // render template
  id: 5,
  title : 'Hello World!',
  desc  : 'Ordianry item',
  attrs : {
    dimensions : '100cm x 100cm x 20cm',
    weight     : '15kg',
    price      : '10EUR'
  }
});
ready
precompiled
var output = templateFuncPrecompiled({  // render template
  id: 5,
  title : 'Hello World!',
  desc  : 'Ordianry item',
  attrs : {
    dimensions : '100cm x 100cm x 20cm',
    weight     : '15kg',
    price      : '10EUR'
  }
});
ready

Revisions

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