Run results for: Stroke-width vs vector-effect

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.6.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
stroke-width	126.6 Ops/sec
vector-effect	187.1 Ops/sec

HTML Preparation code:

<svg>
  <rect id="foo" w="10px" h="10px" fill="none" stroke="#CCC" stroke-width={1)/>
  <rect id="bar" w="10px" h="10px" fill="none" stroke="#CCC" stroke-width={1) vector-effect="non-scaling-stroke"/>
</svg>

Script Preparation code:

var elementA = document.getElementById("foo");
var elementB = document.getElementById("bar");

Tests:

stroke-width
var i = 10000; while (i--) { elementA.setAttribute("transform", "scale(2)"); elementA.setAttribute("stroke-width", 0.5); elementA.setAttribute("transform", ""); }
vector-effect
var i = 10000; while (i--) { elementB.setAttribute("transform", "scale(2)"); elementB.setAttribute("transform", ""); }

Run results for: Stroke-width vs vector-effect

Scaling a stroke and countering the scale by using stroke-width or vector-effect.

stroke-width

vector-effect