Run results for: PutImageData vs DrawImage vs fillRect

Run details:

User agent: Mozilla/5.0 (Android 14; Mobile; rv:124.0) Gecko/124.0 Firefox/124.0

Browser: Firefox Mobile 124

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

rect

705K/s

DrawImage whole master into di canvas

170K/s

DrawImage half master into di canvas

165K/s

PutImageData half master into pid canvas

30K/s

PutImageData whole master into pid canvas

25K/s

View exact numbers

Test name	Executions per second
✓ rect	705,071 Ops/sec
DrawImage whole master into di canvas	169,575 Ops/sec
DrawImage half master into di canvas	164,909 Ops/sec
PutImageData half master into pid canvas	29,670 Ops/sec
PutImageData whole master into pid canvas	24,532 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: