Underscore templates - classic vs. precompiled

JavaScript performance comparison

Revision 9 of this test case created by

Preparation code

<script src="https://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

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

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/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'
  }
});
pending…
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'
  }
});
pending…

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