Performance of Javascript timers

JavaScript performance comparison

Revision 5 of this test case created by Jiayong Ou

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var perf = window.performance;
  function dateNow() {
      return Date.now();
  }
  function perfNow() {
      return perf.now();
  }
  var boundDateNow = Date.now.bind(Date);
  var boundPerfNow = perf.now.bind(perf);
  var unboundDateNow = Date.now;

};

Benchmark.prototype.teardown = function() {
  var t1;

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
performance.now()
t1 = perf.now();
pending…
Date.now() function
t1 = dateNow();
pending…
Date.now()
t1 = Date.now();
pending…
bound Date.now()
t1 = boundDateNow();
pending…
bound perf.now()
t1 = boundPerfNow();
pending…
performance.now() function
t1 = perfNow();
pending…
unbound Date.now()
t1 = unboundDateNow();
pending…
perf.now();
t1 = perf.now();
pending…

Revisions

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