Run results for: Typed Array Copy, set vs structuredClone

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

set

3K/s

structuredClone

2K/s

View exact numbers

Test name	Executions per second
✓ set	3,095 Ops/sec
structuredClone	1,824 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const a = new Uint8Array(4 * 1920 * 1080);
for (let i = 0; i < a.length; i++) {
    a[i] = 64
}

Tests: