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Run results for:
Array vs ArrayBuffer
Both has the same speed almost (Array is more faster) ArrayBuffer is just more memory efficient
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=578396" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
Array
516.5M/s
ArrayBuffer
498.8M/s
View exact numbers
Test name
Executions per second
✓
Array
516,475,360 Ops/sec
ArrayBuffer
498,803,296 Ops/sec
Script Preparation code:
const arr = new Array(100000); const buff = new ArrayBuffer(100000) const view = new Uint8Array(buff);
Tests:
Array
for (let i; i < 100000; i++) { arr[i] = 255; }
ArrayBuffer
for (let i; i < 100000; i++) { view[i] = 255; }