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Run results for:
change Float64Array vs array.push (change)
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0
Browser:
Firefox 145
Operating system:
Windows
Device Platform:
Desktop
Date tested:
5 months ago
Test name
Executions per second
typed array
644971.9 Ops/sec
not typed array
298478.9 Ops/sec
Script Preparation code:
var size = 1024; var initialArray = []; for(let i = 0; i < size; i++) { initialArray.push(Math.random()); }
Tests:
typed array
const arr = new Float64Array(size); for(let i = 0; i < size; i++) { arr[i] = initialArray[i]/2; }
not typed array
const arr = []; for(let i = 0; i < size; i++) { arr.push(initialArray[i]/2); }