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Run results for:
PutImageData vs DrawImage (big canvases)
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=623838" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:144.0) Gecko/20100101 Firefox/144.0
Browser:
Firefox 144
Operating system:
Linux
Device Platform:
Desktop
Date tested:
3 months ago
Test name
Executions per second
DrawImage
1630790.0 Ops/sec
DrawImage (subrectangle)
1605063.6 Ops/sec
PutImageData
1415.4 Ops/sec
PutImageData (subrectangle)
4342.4 Ops/sec
HTML Preparation code:
<canvas id='master' width='500' height='500'></canvas> <canvas id='pid' width='200' height='200'></canvas> <canvas id='di' width='200' height='200'></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
di.drawImage(master,0,0);
DrawImage (subrectangle)
di.drawImage(master,0,0,200,200,0,0,200,200);
PutImageData
let imgData = masterctx.getImageData(0,0,500,500); pid.putImageData(imgData,0,0);
PutImageData (subrectangle)
let imgData = masterctx.getImageData(0,0,200,200); pid.putImageData(imgData,0,0);