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Run results for:
JSON.parse vs dataview vs typedarray
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=605187" 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
Browser:
Chrome 136
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
JSON
3265542.2 Ops/sec
TypedArray
39358588.0 Ops/sec
dataview
28676620.0 Ops/sec
Script Preparation code:
var intObj = {alpha:12345678,beta:12345678,charlie:12345678,delta:12345678,foxtrot:12345678} var typedArray = new Int32Array(12345678,12345678,12345678,12345678,12345678) var buffer = new ArrayBuffer(20) var dv = new DataView(buffer) dv.setInt32(0,12345678) dv.setInt32(4,12345678) dv.setInt32(8,12345678) dv.setInt32(12,12345678) dv.setInt32(16,12345678)
Tests:
JSON
let stringy = JSON.stringify(intObj); let parsed = JSON.parse(stringy); let a; a = parsed;
TypedArray
let newBuffer = typedArray.buffer let parsedBuffer = new Int32Array(newBuffer) let b; b = parsedBuffer;
dataview
let dvBuffer = dv.buffer let newView = new DataView(dvBuffer) let c; c = newView;