standalone_run100.html

<html>
<body>
<script>
  var x = [];
  var p = window.performance;

  function xx() { run20(); run5(); }

  function run100a() { run100();run100(); }
  function run100b() { run100();run100(); }
  function run100c() { run100();run100(); }
  function run100d() { run100();run100(); }
  function run5() {
    var s = p.now();
    var e = 0;
    while (e < 5) {
      e = p.now() - s;
    }
    x.push(e);
  }

  function run20() {
    var s = p.now();
    var e = 0;
    run5();
    while (e < 20) {
      e = p.now() - s;
    }
    x.push(e);
  }

  function run100() {
    var s = p.now();
    var e = 0;
    run20();
    while (e < 100) {
      e = p.now() - s;
    }
    x.push(e);
  }

  // Delay this startup be 1s to make sure that the browser is in
  // a stable state.
  window.setTimeout(function() {
    run100a();
    run100b();
    run100c();
    run100d();
    document.body.innerHTML = "Done:" + x.join('-');
  }, 1000);
</script>
</body>
</html>