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Run results for:
Write Float64Array by index vs Array by index vs Array by push
Test initializing a typed array by index vs generic array by push.
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<iframe src="https://measurethat.net/Embed?id=628750" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
Browser:
Chrome 148
Operating system:
Windows
Device Platform:
Desktop
Date tested:
4 months ago
Benchmark engine:
Benchmark.js
Write generic array by index
17K/s
Write Float64Array by index
7K/s
Write generic array by push
3K/s
View exact numbers
Test name
Executions per second
✓
Write generic array by index
16,894 Ops/sec
Write Float64Array by index
7,001 Ops/sec
Write generic array by push
3,185 Ops/sec
Tests:
Write Float64Array by index
const tai = new Float64Array(100_000) for (let i = 0; i < 100_000; i++) tai[i] = 3.14
Write generic array by index
const gai = new Array(100_000) for (let i = 0; i < 100_000; i++) gai[i] = 3.14
Write generic array by push
const gap = [] for (let i = 0; i < 100_000; i++) gap.push(3.14)