Run results for: PutImageData vs DrawImage v2

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0

Browser: Firefox 136

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 8 months ago

DrawImage whole master into di canvas

629K/s

PutImageData half master into pid canvas

352K/s

PutImageData whole master into pid canvas

278K/s

DrawImage half master into di canvas

214K/s

View exact numbers

Test name	Executions per second
✓ DrawImage whole master into di canvas	628,741 Ops/sec
PutImageData half master into pid canvas	352,444 Ops/sec
PutImageData whole master into pid canvas	278,318 Ops/sec
DrawImage half master into di canvas	213,954 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);

let imgData1 = masterctx.getImageData(0,0,100,100);
let imgData2 = masterctx.getImageData(25,0,75,100);

Tests:

DrawImage whole master into di canvas
di.drawImage(master,0,0);
PutImageData whole master into pid canvas
pid.putImageData(imgData1,0,0);
DrawImage half master into di canvas
di.drawImage(master,25,0,50,100,25,0,50,100);
PutImageData half master into pid canvas
pid.putImageData(imgData2,25,0);

Run results for: PutImageData vs DrawImage v2

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