render-vs-prerender

JavaScript performance comparison

Revision 23 of this test case created

Preparation code

<canvas id="canvas1" width="500" height="500">
</canvas>
<script>
  var can = document.getElementById('canvas1');
  var ctx = can.getContext('2d');

  var canb = document.createElement('canvas');
  canb.width = 150;
  canb.height = 150;
  var ctxb = canb.getContext('2d');

  var can2 = document.createElement('canvas');
  can2.width = 150;
  can2.height = 150;
  var ctx2 = can2.getContext('2d');

  ctx2.beginPath();
  ctx2.strokeStyle = 'red';
  ctx2.lineWidth = 4;
  ctx2.moveTo(10, 10);
  ctx2.lineTo(10, 30);
  ctx2.lineTo(30, 30);
  ctx2.lineTo(40, 70);
  ctx2.quadraticCurveTo(72, 43, 22, 12);
  ctx2.quadraticCurveTo(12, 43, 12, 102);
  ctx2.stroke();
</script>

Preparation code output

Test runner

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

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
in one loop
for (var i = 0; i < 100; i++) {
  ctx.drawImage(can2, 0, 0);
  ctxb.drawImage(can2, 0, 0);
}
pending…
in many loops
for (var i = 0; i < 100; i++) {
  ctx.drawImage(can2, 0, 0);
}

for (var i = 0; i < 100; i++) {
  ctxb.drawImage(can2, 0, 0);
}
pending…

Compare results of other browsers

Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

0 comments

Add a comment