promise comparisons

JavaScript performance comparison

Revision 138 of this test case created by

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

<script src="https://raw.githubusercontent.com/petkaantonov/bluebird/v2.3.11/js/browser/bluebird.js">
</script>

<script>
  window.define = function(factory) {
    try {
      delete window.define;
    } catch (e) {
      window.define = void 0;
    } // IE
    window.when = factory();
  };
  window.define.amd = {};
</script>
<script src="https://raw.githubusercontent.com/cujojs/when/3.6.2/when.js">
</script>


    

Preparation code output

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
q
// async test
var d = Q.defer()
var code = 'q' + Math.random();

function eventFunc(e) {
  if (e.data === code) {
    window.removeEventListener('message', eventFunc);
    d.resolve();

  }
}
window.addEventListener('message', eventFunc);
d.promise.then(function() {
  deferred.resolve()
})
window.postMessage(code, '*');
pending…
catiline
// async test
var d = cw.deferred()
var code = 'cw' + Math.random();

function eventFunc(e) {
  if (e.data === code) {
    window.removeEventListener('message', eventFunc);
    d.resolve();

  }
}
window.addEventListener('message', eventFunc);
d.promise.then(function() {
  deferred.resolve()
})
window.postMessage(code, '*');
pending…
bluebird
var d = P.pending();
var code = 'pend' + Math.random();

function eventFunc(e) {
  if (e.data === code) {
    window.removeEventListener('message', eventFunc);
    d.fulfill();

  }
}

d.promise.then(function() {
  deferred.resolve()
});
window.addEventListener('message', eventFunc);
window.postMessage(code, '*');
pending…
Pimp
// async test
var d = Pimp.deferred()
var code = 'pimp' + Math.random();

function eventFunc(e) {
  if (e.data === code) {
    window.removeEventListener('message', eventFunc);
    d.resolve();

  }
}
window.addEventListener('message', eventFunc);
d.promise.then(function() {
  deferred.resolve()
})
window.postMessage(code, '*');
pending…
Native
// async test
var d = Promise.defer();
var code = 'nat' + Math.random();

function eventFunc(e) {
  if (e.data === code) {
    window.removeEventListener('message', eventFunc);
    d.resolve();

  }
}
window.addEventListener('message', eventFunc);
d.promise.then(function() {
  deferred.resolve()
})
window.postMessage(code, '*');
pending…
vow
// async test
var d = vow.defer();
var code = 'nat' + Math.random();

function eventFunc(e) {
  if (e.data === code) {
    window.removeEventListener('message', eventFunc);
    d.resolve();

  }
}
window.addEventListener('message', eventFunc);
d.promise().then(function() {
  deferred.resolve()
})
window.postMessage(code, '*');
pending…
lie
// async test
var d = lie();
var code = 'lie' + Math.random();

function eventFunc(e) {
  if (e.data === code) {
    window.removeEventListener('message', eventFunc);
    d.resolve();
  }
}
window.addEventListener('message', eventFunc);
d.promise.then(function() {
  deferred.resolve()
})
window.postMessage(code, '*');
pending…
when
var x = 1;
var d = when.defer()
var code = 'when' + Math.random();

function eventFunc(e) {
  if (e.data === code) {
    window.removeEventListener('message', eventFunc);
    d.resolve();

  }
}
window.addEventListener('message', eventFunc);
d.promise.then(function() {
  deferred.resolve()
})
window.postMessage(code, '*');
pending…
RSVP
// async test
var d = RSVP.defer();
var code = 'rsvp' + Math.random();

function eventFunc(e) {
  if (e.data === code) {
    window.removeEventListener('message', eventFunc);
    d.resolve();

  }
}
window.addEventListener('message', eventFunc);
d.promise.then(function() {
  deferred.resolve()
})
window.postMessage(code, '*');
pending…

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