Run results for: PutImageData vs DrawImage

Run details:

User agent: Mozilla/5.0 (Android 16; Mobile; rv:150.0) Gecko/150.0 Firefox/150.0

Browser: Firefox Mobile 150

Operating system: Android

Device Platform: Mobile

Date tested: 2 months ago

DrawImage whole master into di canvas

165K/s

DrawImage half master into di canvas

117K/s

PutImageData half master into pid canvas

38K/s

PutImageData whole master into pid canvas

28K/s

View exact numbers

Test name	Executions per second
✓ DrawImage whole master into di canvas	164,535 Ops/sec
DrawImage half master into di canvas	117,321 Ops/sec
PutImageData half master into pid canvas	37,575 Ops/sec
PutImageData whole master into pid canvas	28,494 Ops/sec

HTML Preparation code:

<canvas id='master' width='100' height='100'></canvas>
<canvas id='pid' width='100' height='100'></canvas>
<canvas id='di' width='100' height='100'></canvas>

Script Preparation code:

var master = document.getElementById('master');
var masterctx = master.getContext('2d');
var pid = document.getElementById('pid').getContext('2d');
var di = document.getElementById('di').getContext('2d');

masterctx.fillRect(0,0,50,50);
masterctx.fillStyle = "red";
masterctx.fillRect(50,50,100,100);

Tests:

DrawImage whole master into di canvas
di.drawImage(master,0,0);
PutImageData whole master into pid canvas
let imgData = masterctx.getImageData(0,0,100,100); pid.putImageData(imgData,0,0);
DrawImage half master into di canvas
di.drawImage(master,25,0,50,100,25,0,50,100);
PutImageData half master into pid canvas
let imgData = masterctx.getImageData(25,0,75,100); pid.putImageData(imgData,25,0);

Run results for: PutImageData vs DrawImage

GetImageData with PutImageData vs just DrawImage

DrawImage whole master into di canvas

PutImageData whole master into pid canvas

DrawImage half master into di canvas

PutImageData half master into pid canvas