Run results for: PutImageData vs DrawImage vs fillRect

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

DrawImage whole master into di canvas

743K/s

rect

575K/s

DrawImage half master into di canvas

392K/s

PutImageData half master into pid canvas

28K/s

PutImageData whole master into pid canvas

20K/s

View exact numbers

Test name	Executions per second
✓ DrawImage whole master into di canvas	743,309 Ops/sec
rect	575,048 Ops/sec
DrawImage half master into di canvas	391,996 Ops/sec
PutImageData half master into pid canvas	28,256 Ops/sec
PutImageData whole master into pid canvas	20,400 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>
<canvas id='rect' 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');
var rect = document.getElementById('rect').getContext('2d');

masterctx.fillRect(0,0,50,50);
masterctx.fillStyle = "red";
masterctx.fillRect(50,50,100,100);

Tests: