Angular VS Knockout VS Ember VS React VS Mithril

JavaScript performance comparison

Revision 300 of this test case created

Info

This is a simple rendering speed test between the most popular libraries/frameworks. I added in Mithril because it's a newcomer with some promise.

Preparation code

<!-- Jquery -->
<script src="//cdn.jsdelivr.net/jquery/2.1.0/jquery.min.js"></script>
<script src="//cdn.jsdelivr.net/angularjs/1.2.15/angular.min.js"></script>
<script src="//cdn.jsdelivr.net/knockout/3.1.0/knockout.js"></script>
<script src="//cdn.jsdelivr.net/handlebarsjs/1.3.0/handlebars.js"></script>
<script src="//cdn.jsdelivr.net/emberjs/1.5.0/ember.min.js"></script>
<script src="//cdn.jsdelivr.net/react/0.10.0/react-with-addons.js"></script>
<script src="//cdn.jsdelivr.net/mithril/0.1.9/mithril.min.js"></script>


<!-- Angular -->
<div ng-app>
  Angular:
  <span ng-controller="Ctrl" id="angList"><span ng-repeat="item in data track by item">{{item}}</span></span>
</div>


<!-- Knockout -->
<div id="koapp">
  Knockout:
  <span data-bind="foreach: data"><span data-bind="text: $data"></span></span>
</div>

<!-- Ember -->

<div id="emapp"></div>
<script type="text/x-handlebars">
  Ember:
  <span>
    {{#each EMapp.data}}<span>{{this}}</span>{{/each}}
  </span>
</script>


<!-- React -->
<div id="react">
  React: <span id="reactMountNode"></span>
</div>


<!-- Mithril -->
<div id="mithrilapp">
  Mithril: <span id="mithrilMountNode"></span>
</div>


<script>
var Ctrl = function($scope){ $scope.data = []; };

var KOData = ko.observableArray();
var KOviewmodel = {data: KOData};

var ENV = {EXTEND_PROTOTYPES: false};

var ReactComponent = React.createClass({displayName: 'PerfTest',
  getInitialState: function() {
    return { data: [] };
  },
  render: function() {
    var res = [];
    for(var i = 0; i < this.state.data.length; i++) {
      res.push(React.DOM.span({ key: 'test' + i }, this.state.data[i]));
    }
    return React.DOM.span(null, res);
  }
});

var MithrilData = new Array();
var mithapp = {
  controller: function() {
    this.data = MithrilData;
  },
  view: function(ctrl) {
    return m("span", [ctrl.data.map(function(datum) { return m('span', datum); })]);
  }
}

$(document).ready(function() {
  angular.element(document).ready(function() {
    var ang_scope = $('#angList').scope();

    window.ANGclear = function(){
      ang_scope.data.splice(0, ang_scope.data.length);
      ang_scope.$digest();
    };
    window.ANGpush = function(data){
      ang_scope.data.push(data + ang_scope.data.length);
      ang_scope.$digest();
    };
  });

  ko.applyBindings(KOviewmodel, document.getElementById('koapp'));
  window.KOclear = function (){
    KOData.splice(0, KOData().length);
  };
  window.KOpush = function (data){
    KOData.push(data);
  };



  EMapp = Ember.Application.create({
    rootElement: '#emapp'
  });
  EMapp.data = Ember.A();

  window.EMclear = function () {
    EMapp.data.clear();
  };
  window.EMpush = function (data) {
    EMapp.data.pushObject(data);
  };


  var reactComp = ReactComponent();
  React.renderComponent(reactComp, $('#reactMountNode')[0]);

  window.RClear = function() {
    reactComp.setState({data: []})
  };

  window.RPush = function(data) {
    var stateData = reactComp.state.data;
    stateData.push(data);
    reactComp.setState({data: stateData});
  }

  m.module(document.getElementById("mithrilMountNode"), mithapp);
  window.Mclear = function() {
    m.startComputation();
    MithrilData.splice(0);
    m.endComputation();
  };

  window.Mpush = function(data) {
    m.startComputation();
    MithrilData.push(data);
    m.endComputation();
  }
});
</script>
 

Preparation code output

Angular: {{item}}
Knockout:
React:
Mithril:

Test runner

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

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
Angular 10
ANGclear();
for (var i = 0; i < 10; i++)
  ANGpush("ngitem");
 
pending…
Knockout 10
KOclear();
for (var i = 0; i < 10; i++)
  KOpush("koitem");
pending…
Ember 10
EMclear();
for (var i = 0; i < 10; i++)
  EMpush("emitem");
pending…
Angular 100
ANGclear();
for (var i = 0; i < 100; i++)
  ANGpush("ngitem");
pending…
Knockout 100
KOclear();
for (var i = 0; i < 100; i++)
  KOpush("koitem");
pending…
Ember 100
EMclear();
for (var i = 0; i < 100; i++)
  EMpush("emitem");
pending…
React 10
RClear();
for (var i = 0; i < 10; i++)
  RPush("ritem");
pending…
React 100
RClear();
for (var i = 0; i < 100; i++)
  RPush("ritem");
pending…
Mithril 10
Mclear();
for (var i = 0; i < 10; i++)
  Mpush("mitem");
pending…
Mithril 100
Mclear();
for (var i = 0; i < 100; i++)
  Mpush("mitem");
pending…

Compare results of other browsers

Revisions

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1 comment

Edgaras commented :

With ember you should use ember.prod.js, because min version contains additional objects for error reporting.

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