Benchmark: Map vs Array. - MeasureThat.net

Script Preparation code:

let map = new Map();
let arr = [];
let obj = {};

const randomU32 = function() {
	return Math.random() * (1 << 31) >>> 0;
}

Tests:

Map
const randomU32 = function() { return Math.random() * (1 << 31) >>> 0; } const map = new Map(); map.set(randomU32(), true);
Array
const randomU32 = function() { return Math.random() * (1 << 31) >>> 0; } const arr = []; arr[randomU32()] = true;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Map
Array

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 8 months ago)

User agent: Mozilla/5.0 (Linux; arm_64; Android 11; Redmi Note 8T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 YaBrowser/23.7.5.95.00 SA/3 Mobile Safari/537.36

Browser/OS: Yandex Browser 23 on Android

View result in a separate tab

Test name	Executions per second
Map	904082.1 Ops/sec
Array	651574.4 Ops/sec

Map vs Array. (version: 0)

Comparing performance of: Map vs Array

Created: 10 months ago by: Guest

Jump to the latest result

Map

Array

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A