Run results for: Canvas gradient perf

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36

Browser: Chrome 66

Operating system: Mac OS X 10.11.6

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
Create	5321.7 Ops/sec
reuse	4004.1 Ops/sec
fill only	4119.5 Ops/sec

HTML Preparation code:

<canvas id="canvas1" width="512" height="512"></canvas>

<style>
 canvas { border: 1px solid black; }
</style>

<script>
var canvas = document.getElementById('canvas1');
var ctx = canvas.getContext('2d');

var grad = ctx.createLinearGradient(0, 0, 4, 256);
grad.addColorStop(0, 'red');
grad.addColorStop(0.5, 'rgba(0,0,255,0.5)');
grad.addColorStop(1, 'lime');

</script>

Tests:

Create
for (var i = 0; i < 10; i++) { var grad2 = ctx.createLinearGradient(0, 0, 4, 256); grad2.addColorStop(0, 'red'); grad2.addColorStop(0.5, 'rgba(0,0,255,0.5)'); grad2.addColorStop(1, 'lime'); ctx.fillStyle = grad2; ctx.fillRect(0,0,512,512); }
reuse
for (var i = 0; i < 10; i++) { ctx.fillStyle = grad; ctx.fillRect(0,0,512,512); }
fill only
ctx.fillStyle = grad; for (var i = 0; i < 10; i++) { ctx.fillRect(0,0,512,512); }

Run results for: Canvas gradient perf

Create

reuse

fill only