Run results for: drawimage vs putimagedata 3b

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 14_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/86.0.4240.93 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 86

Operating system: iOS 14.2

Device Platform: Tablet

Date tested: 3 years ago

Test name	Executions per second
drawImage	28152.2 Ops/sec
putImageData	1454.1 Ops/sec

HTML Preparation code:

<canvas id="canvas" width="1400" height="1400"></canvas>

Script Preparation code:

var canvas = document.getElementById('canvas');
var ctx = canvas.getContext("2d");

var cacheG = document.createElement('canvas');
var cacheD = cacheG.getContext('2d');

cacheG.width = 1200;
cacheG.height = 1200;

cacheD.beginPath();
cacheD.fillStyle = '#000';
cacheD.arc(600, 600, 600, 0, Math.PI * 2, true);
cacheD.fill();

var d = cacheD.getImageData(0,0,1200,1200)

Tests:

drawImage
ctx.drawImage(cacheG, 6, 6);
putImageData
ctx.putImageData(d, 6, 6);

Run results for: drawimage vs putimagedata 3b

drawImage

putImageData