Benchmark: CloneDeep or CloneObject or Clone or CloneVanilla or fast-copy

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
<script type="module">
  import fastCopy from 'https://cdn.skypack.dev/fast-copy';
  window.fastCopy = fastCopy;
</script>

Script Preparation code:

var MyObject = [
  {
    "_id": "66e7eff9116f8e690a42def7",
    "index": 0,
    "guid": "daad7d80-1097-44c6-b914-bab27c62a254",
    "isActive": true,
    "balance": "$2,505.86",
    "picture": "http://placehold.it/32x32",
    "age": 30,
    "eyeColor": "green",
    "name": "Browning Shields",
    "gender": "male",
    "company": "BUZZNESS",
    "email": "browningshields@buzzness.com",
    "phone": "+1 (907) 513-2282",
    "address": "626 Seaview Court, Trexlertown, Ohio, 6495",
    "about": "Incididunt quis ea ipsum elit reprehenderit minim sunt. Do laboris minim voluptate mollit labore non ea amet ipsum sint culpa sunt sunt laboris. Id cillum amet laborum reprehenderit commodo reprehenderit in nulla proident. Voluptate non irure ex velit ex exercitation amet eiusmod magna nostrud do ea ut. Mollit duis ad ipsum Lorem ex enim in adipisicing exercitation ea. Lorem laborum magna est esse anim voluptate dolor aliquip voluptate voluptate duis commodo quis proident. Amet duis irure elit officia.\r\n",
    "registered": "2021-11-01T04:00:26 -01:00",
    "latitude": -84.115826,
    "longitude": 125.358871,
    "tags": [
      "veniam",
      "nostrud",
      "eu",
      "qui",
      "eu",
      "commodo",
      "ullamco"
    ],
    "friends": [
      {
        "id": 0,
        "name": "Dona Watts"
      },
      {
        "id": 1,
        "name": "Mae Cantu"
      },
      {
        "id": 2,
        "name": "Dillon Fry"
      }
    ],
    "greeting": "Hello, Browning Shields! You have 10 unread messages.",
    "favoriteFruit": "banana"
  },
  {
    "_id": "66e7eff92b6ca402ad7ab8bd",
    "index": 1,
    "guid": "8b628d39-9fff-4d28-b4c5-35bc003a88cc",
    "isActive": true,
    "balance": "$2,299.78",
    "picture": "http://placehold.it/32x32",
    "age": 20,
    "eyeColor": "blue",
    "name": "Dunlap Hubbard",
    "gender": "male",
    "company": "IRACK",
    "email": "dunlaphubbard@irack.com",
    "phone": "+1 (938) 440-3887",
    "address": "514 Fulton Street, Oasis, Guam, 2302",
    "about": "Aute veniam irure est laboris consequat nostrud tempor culpa aliqua ex in exercitation sint ipsum. Ipsum culpa magna est laboris consequat ipsum consequat ullamco fugiat elit. In voluptate ex fugiat consequat in ipsum proident reprehenderit nostrud irure ea nulla esse ex. Velit adipisicing cupidatat cillum aute sint occaecat. Amet elit elit voluptate occaecat elit in adipisicing minim id veniam. Do occaecat laborum dolore pariatur enim deserunt ex reprehenderit in irure.\r\n",
    "registered": "2021-10-18T03:34:17 -02:00",
    "latitude": 26.597269,
    "longitude": -93.956704,
    "tags": [
      "nulla",
      "cillum",
      "reprehenderit",
      "Lorem",
      "laboris",
      "consequat",
      "non"
    ],
    "friends": [
      {
        "id": 0,
        "name": "Mccoy Kent"
      },
      {
        "id": 1,
        "name": "Josefina Carlson"
      },
      {
        "id": 2,
        "name": "Angeline Soto"
      }
    ],
    "greeting": "Hello, Dunlap Hubbard! You have 6 unread messages.",
    "favoriteFruit": "strawberry"
  },
  {
    "_id": "66e7eff9de2dc4dd45378184",
    "index": 2,
    "guid": "ac90092e-c051-4aeb-9475-f8e0dd72d796",
    "isActive": false,
    "balance": "$1,097.89",
    "picture": "http://placehold.it/32x32",
    "age": 34,
    "eyeColor": "brown",
    "name": "Sharpe Salazar",
    "gender": "male",
    "company": "EXOSWITCH",
    "email": "sharpesalazar@exoswitch.com",
    "phone": "+1 (999) 510-2988",
    "address": "425 Etna Street, Noblestown, Nevada, 1156",
    "about": "Nisi ex mollit do anim reprehenderit quis ad. Labore culpa occaecat Lorem elit labore. Qui aute tempor duis excepteur ea enim est eu voluptate non proident cupidatat enim nisi. Commodo ut non ullamco fugiat qui elit aliqua ipsum cillum occaecat amet. Excepteur nulla dolor sint culpa laborum cupidatat non sunt.\r\n",
    "registered": "2017-01-24T11:40:29 -01:00",
    "latitude": -84.888941,
    "longitude": 148.555312,
    "tags": [
      "nostrud",
      "fugiat",
      "aliqua",
      "officia",
      "culpa",
      "cupidatat",
      "excepteur"
    ],
    "friends": [
      {
        "id": 0,
        "name": "Dorthy Cameron"
      },
      {
        "id": 1,
        "name": "Geneva Adkins"
      },
      {
        "id": 2,
        "name": "Chambers Mcneil"
      }
    ],
    "greeting": "Hello, Sharpe Salazar! You have 8 unread messages.",
    "favoriteFruit": "apple"
  },
  {
    "_id": "66e7eff9f81fd8fa54937393",
    "index": 3,
    "guid": "e11a6b70-4b2c-4403-a325-f0962b93d8d3",
    "isActive": true,
    "balance": "$3,010.86",
    "picture": "http://placehold.it/32x32",
    "age": 31,
    "eyeColor": "green",
    "name": "Roberta Hayden",
    "gender": "female",
    "company": "DIGIFAD",
    "email": "robertahayden@digifad.com",
    "phone": "+1 (910) 446-3209",
    "address": "874 Leonora Court, Omar, Nebraska, 1799",
    "about": "Ex quis do sunt duis eu aliqua deserunt. Sint cillum amet cupidatat aliqua sunt amet enim. Ut laboris ipsum mollit exercitation velit consequat commodo amet amet mollit. Cupidatat pariatur Lorem Lorem fugiat enim do. Cupidatat ut aliquip dolore consectetur eiusmod in sint. Ad labore culpa consequat non exercitation dolore ut sit qui sunt nostrud voluptate. Nisi eiusmod eu commodo in irure cupidatat culpa cupidatat aliquip et consequat.\r\n",
    "registered": "2020-09-18T04:47:32 -02:00",
    "latitude": 16.103599,
    "longitude": -26.524586,
    "tags": [
      "aliquip",
      "anim",
      "laboris",
      "commodo",
      "ipsum",
      "Lorem",
      "nisi"
    ],
    "friends": [
      {
        "id": 0,
        "name": "Lela Holder"
      },
      {
        "id": 1,
        "name": "Robinson Carney"
      },
      {
        "id": 2,
        "name": "Mcintosh Clayton"
      }
    ],
    "greeting": "Hello, Roberta Hayden! You have 2 unread messages.",
    "favoriteFruit": "banana"
  },
  {
    "_id": "66e7eff9833dea3a5ca1d935",
    "index": 4,
    "guid": "8633a0f8-51c7-4019-bb15-d9399b4de8c0",
    "isActive": true,
    "balance": "$3,574.84",
    "picture": "http://placehold.it/32x32",
    "age": 24,
    "eyeColor": "green",
    "name": "Fields Mcpherson",
    "gender": "male",
    "company": "HAIRPORT",
    "email": "fieldsmcpherson@hairport.com",
    "phone": "+1 (822) 569-2216",
    "address": "326 Chestnut Avenue, Singer, New Jersey, 3427",
    "about": "Quis anim aliqua ullamco duis. Reprehenderit mollit nulla mollit officia ullamco sunt. Eu sunt proident commodo non. Non dolore proident culpa anim nostrud occaecat magna aute qui eiusmod sunt proident. Pariatur incididunt ipsum cillum incididunt proident minim reprehenderit officia.\r\n",
    "registered": "2018-09-02T09:23:44 -02:00",
    "latitude": 52.577334,
    "longitude": -41.082569,
    "tags": [
      "laboris",
      "ea",
      "cillum",
      "quis",
      "cillum",
      "aliquip",
      "consectetur"
    ],
    "friends": [
      {
        "id": 0,
        "name": "Santos Higgins"
      },
      {
        "id": 1,
        "name": "Bauer Russo"
      },
      {
        "id": 2,
        "name": "Drake Dickerson"
      }
    ],
    "greeting": "Hello, Fields Mcpherson! You have 4 unread messages.",
    "favoriteFruit": "apple"
  }
];

var myCopy = null;

function recursiveDeepCopy(o) {
    var newO,
      i;
  
    if (typeof o !== 'object') {
      return o;
    }
    if (!o) {
      return o;
    }
  
    if ('[object Array]' === Object.prototype.toString.apply(o)) {
      newO = [];
      for (i = 0; i < o.length; i += 1) {
        newO[i] = recursiveDeepCopy(o[i]);
      }
      return newO;
    }
  
    newO = {};
    for (i in o) {
      if (o.hasOwnProperty(i)) {
        newO[i] = recursiveDeepCopy(o[i]);
      }
    }
    return newO;
  }

function clone(obj) {
    const clone = Object.create(Object.getPrototypeOf(obj));

    Object.getOwnPropertyNames(obj).forEach(key => {
        Object.defineProperty(clone, key, Object.getOwnPropertyDescriptor(obj, key));
    });

    return clone;
}

function clone(obj) {
    let result = {};

	result = JSON.parse(JSON.stringify(obj));

	return result;
}

Tests:

Lodash cloneDeep
myCopy = _.cloneDeep(MyObject);
Lodash clone
myCopy = _.clone(MyObject);
CloneVanilla
myCopy = clone(MyObject);
CloneObject
myCopy = clone(MyObject);
Fast-copy
myCopy = fastCopy(MyObject);
recursiveDeepCopy
myCopy = recursiveDeepCopy(MyObject);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash cloneDeep
Lodash clone
CloneVanilla
CloneObject
Fast-copy
recursiveDeepCopy

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 5 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser/OS: Firefox 133 on Windows

View result in a separate tab

Test name	Executions per second
Lodash cloneDeep	51571.9 Ops/sec
Lodash clone	25158198.0 Ops/sec
CloneVanilla	63932.4 Ops/sec
CloneObject	60072.2 Ops/sec
Fast-copy	92253.1 Ops/sec
recursiveDeepCopy	288519.2 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated 6 months ago):

LLMs can make mistakes. Check important info.

Based on the provided code, benchmark results, and individual test cases, I will attempt to answer your question.

It appears that you are comparing the performance of different cloning methods for JavaScript objects:

1. Lodash `cloneDeep`
2. Lodash `clone`
3. Vanilla clone (`clone`)
4. Fast copy
5. Recursive deep copy

To determine the fastest cloning method, we can analyze the benchmark results.

**Top 3 winners:**

Based on the provided data, the top 3 fastest cloning methods are:

1. **Fast-copy**: With an average execution speed of approximately 62800.91 executions per second.
2. **Lodash `cloneDeep`**: With an average execution speed of approximately 68244.88 executions per second.
3. **Vanilla clone (`clone`)**: With an average execution speed of approximately 62441.20 executions per second.

**Notable observations:**

* Lodash `cloneDeep` is significantly faster than Lodash `clone`.
* Fast-copy and Vanilla clone are extremely close in terms of performance, with a difference of only about 4000 executions per second.
* Recursive deep copy falls behind the top 3 winners by a considerable margin.

Please note that these results are based on a single run and may not reflect your actual use case or environment.

Related benchmarks:

CloneDeep or CloneObject or Clone or CloneVanilla or fast-copy (version: 0)

Comparing performance of: Lodash cloneDeep vs Lodash clone vs CloneVanilla vs CloneObject vs Fast-copy vs recursiveDeepCopy

Created: 7 months ago by: Guest

Jump to the latest result

Lodash cloneDeep

Lodash clone

CloneVanilla

CloneObject

Fast-copy

recursiveDeepCopy

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 6 months ago):