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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:33.0) Gecko/20120101 Firefox/33.0

Browser: Firefox 33

Operating system: Windows 7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Produce

145K/s

CloneDeep

31K/s

View exact numbers

Test name	Executions per second
✓ Produce	145,347 Ops/sec
CloneDeep	31,092 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';