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Run results for:
ArrayBuffer vs JSON serialization ---- v2
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<iframe src="https://measurethat.net/Embed?id=559494" 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/119.0.0.0 Safari/537.36
Browser:
Chrome 119
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
ArrayBuffer serialization
2K/s
JSON serialization
673/s
View exact numbers
Test name
Executions per second
✓
ArrayBuffer serialization
2,266 Ops/sec
JSON serialization
673 Ops/sec
Tests:
JSON serialization
const arr = Array.from({ length: 5000 }).map(() => Math.random()); const serialized = JSON.stringify(arr); const deserialized = JSON.parse(serialized); const serializedAgain = JSON.stringify(deserialized);
ArrayBuffer serialization
const arr = Array.from({ length: 5000 }).map(() => Math.random()); const buffer = new ArrayBuffer(arr.length * 4); const view = new DataView(buffer); for (let i = 0; i<buffer.byteLength; i+=4){ view.setFloat32(arr[i]); } const view2 = new DataView(buffer);