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Run results for:
array vs Float64Array vs mixed array
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<iframe src="https://measurethat.net/Embed?id=629277" 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/148.0.0.0 Safari/537.36
Browser:
Chrome 148
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
19 days ago
Test name
Executions per second
array reverse
129037.6 Ops/sec
typedArray reverse
584792.5 Ops/sec
array i/o
50911.8 Ops/sec
typedArray i/o
40760.9 Ops/sec
mixed array reverse
101601.4 Ops/sec
mixed array i/o
13822.3 Ops/sec
Script Preparation code:
var a = [...Array(10000)].map(_ => Math.random()); var ma = [...a]; ma[5000] = 'string'; var ta = (new Float64Array(10000)).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;
mixed array reverse
ma.reverse();
mixed array i/o
for (let i = 0; i < 10000; ++i) ma[i] = ma[i] + 1;