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Run results for:
Create array vs Int32Array
Testing allocation performance
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<iframe src="https://measurethat.net/Embed?id=618251" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 Edg/141.0.0.0
Browser:
Chrome 141
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
7 months ago
Test name
Executions per second
Int32Array
63901.5 Ops/sec
Array
109735.1 Ops/sec
Tests:
Int32Array
const buffer = new ArrayBuffer(512); const view = new DataView(buffer); for (let i = 0; i < 1000; i++) { const a = new Int32Array(buffer, 0, 4); }
Array
const buffer = new ArrayBuffer(512); const view = new DataView(buffer); for (let i = 0; i < 1000; i++) { const a = [] for (let j = 0; j < 4; j++) { a.push(view.getInt32(j * 4, true)); } }