Benchmark: object spread vs immutable-js set vs simmer

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.2/immutable.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/immutability-helper@2.7.0/index.min.js"></script>
<script src="https://unpkg.com/immer@6.0.3/dist/immer.umd.production.min.js"></script>

Tests:

object spread
let obj = {}; for(i=0;i<100;i++){ const key = 'key'+i const value = 'value'+i obj = {...obj, [key]: {key, value}} }
immutable-js
let obj = Immutable.Map(); for(i=0;i<100;i++){ const key = 'key'+i const value = 'value'+i obj = obj.set(key, {key, value}) }
immer
let obj = immer.produce( {}, draft => { for(i=0;i<100;i++){ const key = 'key'+i const value = 'value'+i draft[key] = {key, value} } })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
object spread
immutable-js
immer

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.2 Safari/605.1.15

Browser/OS: Safari 16 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
object spread	7207.5 Ops/sec
immutable-js	47136.3 Ops/sec
immer	38617.4 Ops/sec

object spread vs immutable-js set vs simmer (version: 0)

Comparing performance of: object spread vs immutable-js vs immer

Created: one year ago by: Guest

Jump to the latest result

object spread

immutable-js

immer

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A