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Run results for:
array vs Float32Array
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<iframe src="https://measurethat.net/Embed?id=607670" 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/136.0.0.0 Safari/537.36 Edg/136.0.0.0
Browser:
Chrome 136
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
typedArray reverse
7.0M/s
array reverse
2.3M/s
array i/o
44K/s
typedArray i/o
40K/s
View exact numbers
Test name
Executions per second
✓
typedArray reverse
6,999,066 Ops/sec
array reverse
2,279,864 Ops/sec
array i/o
43,591 Ops/sec
typedArray i/o
40,116 Ops/sec
Script Preparation code:
var a = [...Array(1000)].map(_ => Math.random()); var ta = (new Float32Array(1000)).map(_ => Math.random());
Tests:
array reverse
a.reverse();
typedArray reverse
ta.reverse();
array i/o
for (let i = 0; i < 10000; ++i) a[i] = a[i] + 1;
typedArray i/o
for (let i = 0; i < 10000; ++i) ta[i] = ta[i] + 1;