Run results for: Lodash CloneDeep vs Immer Produce on larger array

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 18_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/131.0.6778.154 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 131

Operating system: iOS 18.1.1

Device Platform: Tablet

Date tested: one year ago

Benchmark engine: Benchmark.js

Produce

408K/s

CloneDeep

56K/s

View exact numbers

Test name	Executions per second
✓ Produce	407,677 Ops/sec
CloneDeep	55,553 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/immer@3.1.3/dist/immer.umd.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

state =  [
    {data1: {data2: 'test'}},
   {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}},
    {data1: {data2: 'test'}}
  ];

Tests:

Produce
const result = immer.produce(state, draft => { draft[5].data1.data2 = 'updated' })
CloneDeep
const result = _.cloneDeep(state); result[5].data1.data2 = 'updated';