Angular VS Knockout VS Ember

JavaScript performance comparison

Revision 178 of this test case created

Info

Comparison between Angular, Knockout and Ember. Updated Backbone to use a collection, in order to be more fair. Also with comparison of optimization during object creation.

Preparation code

<!-- Jquery -->
<script src="http://code.jquery.com/jquery-1.10.2.min.js"></script>

<script src="http://cdnjs.cloudflare.com/ajax/libs/json3/3.2.4/json3.min.js"></script>

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

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js"></script>

<script>
  var Ctrl = function($scope){
    $scope.data = [];
  }
  angular.element(document).ready(function() {
    window.ANGAPP = {
      scope: $('#angList').scope(),
      push: function(data){
        this.scope.data.push(data);
      },
      clear: function(){
        this.scope.data = [];
        this.scope.$digest();
      }
    };
  });
</script>

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

<script src="http://cdnjs.cloudflare.com/ajax/libs/knockout/2.3.0/knockout-min.js"></script>

<script>
  var KOData = ko.observableArray();
  var KOviewmodel = {data: KOData};
 
  ko.applyBindings(KOviewmodel, document.getElementById('koapp'));
  var KOclear = function (){
    KOData.splice(0, KOData().length);
  };
  var KOpush = function (data){
    KOData.push(data);
  };
  var KOunwrap = function(value){
    // Source: http://jsperf.com/ko-unwrapobservable/2
    return ('function'===typeof(value)) ? value(): value;
  };
</script>

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

<script src="http://builds.emberjs.com/handlebars-1.0.0.js"></script>
<script src="http://builds.emberjs.com.s3.amazonaws.com/ember-1.0.0-rc.7.min.js"></script>

<script>
  EMapp = Ember.Application.create({
    rootElement: $('#emapp')
  });
  EMapp.data = Ember.A();
 
  EMclear = function () {
    EMapp.get('data').clear();
  };
  EMreset = function () {
    EMapp.set('data', Ember.A());
  };
  EMpush = function (data) {
    EMapp.get('data').pushObject(data);
  };
</script>

Preparation code output

Angular:

{{item}}

Knockout:

Ember:

Test runner

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Testing in unknown unknown
Test Ops/sec
Angular 100
ANGAPP.clear();
for (var i = 0; i < 100; i++)
  ANGAPP.push(i);
ANGAPP.scope.$digest();
pending…
Angular 100 (mod)
ANGAPP.clear();
for (var i = 0; i < 100; i++)
  ANGAPP.push(i);
ANGAPP.scope.$digest();
pending…
Knockout 100
KOclear();
for (var i = 0; i < 100; i++)
  KOpush(i);
pending…
Knockout 100 (mod)
KOclear();
var list = ko.utils.unwrapObservable(KOData);
for (var i = 0; i < 100; i++)
  list.push(i);
KOData.valueHasMutated();
pending…
Knockout 100 (unwrap mod)
KOclear();
var list = KOunwrap(KOData);
for (var i = 0; i < 100; i++)
  list.push(i);
KOData.valueHasMutated();
pending…
Ember 100
EMclear();
for (var i = 0; i < 100; i++) {
  EMpush(i);
}
pending…
Ember 100 (mod)
Ember.run(function() {
  EMclear();
  for (var i = 0; i < 100; i++) {
    EMpush(i);
  }
});
pending…
Ember 100 (reset mod)
Ember.run(function() {
  EMreset();
  for (var i = 0; i < 100; i++) {
    EMpush(i);
  }
});
pending…

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Revisions

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