Benchmark: Variable assignement

Script Preparation code:

const myVar = 'test'
const mySet = new Set();
const myMap = new Map();
const myObj = {};

for(let i = 0; i < 100; i++) {
  const newVar = `${myVar}${i}`;
  mySet.add(newVar);
  myMap.set(newVar, 0);
  myObj[newVar] = 0;
}

const length = 100000000;

Tests:

Object Assignment
for (let i=0; i < length; i++) { myObj.test = 1; }
Object Assignment + condition
for (let i=0; i < length; i++) { if (!myObj.test) myObj.test = 1; }
Set assignment
for (let i=0; i < length; i++) { mySet.add('test'); }
Set assignment + condition
for (let i=0; i < length; i++) { if (!mySet.has('test')) mySet.add('test'); }
Map assignment
for (let i=0; i < length; i++) { myMap.set('test', 1); }
Map assignment + condition
for (let i=0; i < length; i++) { if (!myMap.has('test')) myMap.set('test', 1); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Object Assignment
Object Assignment + condition
Set assignment
Set assignment + condition
Map assignment
Map assignment + condition

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 2 months ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0

Browser/OS: Firefox 119 on Linux

View result in a separate tab

Test name	Executions per second
Object Assignment	9895946.0 Ops/sec
Object Assignment + condition	9897635.0 Ops/sec
Set assignment	9866978.0 Ops/sec
Set assignment + condition	9940818.0 Ops/sec
Map assignment	9996473.0 Ops/sec
Map assignment + condition	9903452.0 Ops/sec

Variable assignement (version: 0)

Comparing performance of: Object Assignment vs Object Assignment + condition vs Set assignment vs Set assignment + condition vs Map assignment vs Map assignment + condition

Created: 2 months ago by: Guest

Jump to the latest result

Object Assignment

Object Assignment + condition

Set assignment

Set assignment + condition

Map assignment

Map assignment + condition

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A