Run results for: save/restore vs manual - shadow

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3321.0 Safari/537.36

Browser: Chrome 65

Operating system: Mac OS X 10.10.1

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
manual	10519.8 Ops/sec
save/restore	10410.1 Ops/sec

HTML Preparation code:

<canvas id="canvasOne" width="400" height="400"></canvas>
<canvas id="canvasTwo" width="400" height="400"></canvas>

Script Preparation code:

var canvasOne = document.getElementById('canvasOne');
var ctxOne = canvasOne.getContext("2d");

var canvasTwo = document.getElementById('canvasTwo');
var ctxTwo = canvasTwo.getContext("2d");

Tests:

manual
ctxOne.beginPath(); ctxOne.moveTo(20, 20); ctxOne.lineTo(40, 40); ctxOne.shadowBlur = 20; ctxOne.shadowOffsetX = 10; ctxOne.shadowOffsetY = 10; ctxOne.shadowColor = '#f62459'; ctxOne.strokeStyle = '#f62459'; ctxOne.stroke(); ctxOne.shadowBlur = 0; ctxOne.shadowOffsetX = 0; ctxOne.shadowOffsetY = 0; ctxOne.shadowColor = 'rgba(0, 0, 0, 0)';
save/restore
ctxTwo.save(); ctxTwo.beginPath(); ctxTwo.moveTo(20, 20); ctxTwo.lineTo(40, 40); ctxTwo.shadowBlur = 20; ctxTwo.shadowOffsetX = 10; ctxTwo.shadowOffsetY = 10; ctxTwo.shadowColor = '#f62459'; ctxTwo.strokeStyle = '#f62459'; ctxTwo.stroke(); ctxTwo.restore();