render-vs-prerender

JavaScript performance comparison

Revision 32 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 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
render
 
ctx.beginPath();
ctx.strokeStyle = 'red';
ctx.lineWidth = 4;
ctx.moveTo(10,10);
ctx.lineTo(10,30);
ctx.lineTo(30,30);
ctx.lineTo(40,70);
ctx.quadraticCurveTo(72,43,22,12);
ctx.quadraticCurveTo(12,43,12,102);
ctx.stroke();
 
 pending…
pre-rendered
 
ctx.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