Benchmark: Object Deep Copy with

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.10/lodash.js"></script> <script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>

Script Preparation code:

// deep copy:
// String, Number, undefined, null, Set, Map, typed Array, Object, Boolean, RegExp, Date, ArrayBuffer
// Functions, Properties of types: (Primitive, Symbol)
// shallow copy (by reference):
// WeakMap, WeakSet, Symbol
function deepCopy(o) {
    if ((typeof o !== "object" || o === null) && !(o instanceof Function)) return o; // fast obj/null test
    let n, keys;
    const c = o.constructor;
    if (o[Symbol.iterator] instanceof Function) { // fast array test
        // Map and Set have no length property so they will be correctly constructed
        const l = o.length;
        n = (new c(l));
        switch (c) {
            case Set:
                for (let e of o) n.add(deepCopy(e));
                break;
            case Map:
                for (let [key, value] of o) n.set(key, deepCopy(value));
                break;
        }
        for (let i of Object.keys(o)) n[i] = deepCopy(o[i]);
    } else {
        if (c !== Object) {
            switch (c) {
                case Function:
                    let str = o.toString();
                    if(/ \[native code\] /.exec(str) === null){
                        let args=/^.*?\((.*?)\)/.exec(str)[1];//.split(/,/);
                        let func=/^.*?{(.*)}/.exec(str)[1];
                        n=new c(args,func);
                    }else{
                        n=o;
                    }
                    break;
                case RegExp:
                    n = new c(o.valueOf());
                    break;
                case Date:
                    n = new c(o);
                    break;
                case ArrayBuffer:
                    n = new c((new Int8Array(o)).length);
                    break;
                default:
                    n = o;
            }
            keys = Object.keys(o);
        } else {
            n = {};
            keys = Object.getOwnPropertyNames(o);
        }
        for (let i of keys) n[i] = deepCopy(o[i]);
    }
    for (let i of Object.getOwnPropertySymbols(o)) n[i] = deepCopy(o[i]);
    return n;
}
function recursiveDeepCopy(obj) {
  return Object.keys(obj).reduce((v, d) => Object.assign(v, {
    [d]: (obj[d].constructor === Object) ? recursiveDeepCopy(obj[d]) : obj[d]
  }), {});
}

function jsonDeepCopy(o) {
  return JSON.parse(JSON.stringify(o));
}

var dimensions = [{
  "dimensions": [{
    "runtime": {
      "common": {
        "client": null,
        "server": null
      }
    }
  }, {
    "device": {
      "android": null,
      "blackberry": null,
      "iemobile": null,
      "iphone": null,
      "ipad": null,
      "kindle": null,
      "opera-mini": null,
      "palm": null
    }
  }, {
    "environment": {
      "development": {
        "dev": null,
        "test": null
      },
      "production": {
        "stage": null,
        "prod": null
      }
    }
  }, {
    "lang": {
      "ar": {
        "ar-JO": null,
        "ar-MA": null,
        "ar-SA": null,
        "ar-EG": null
      },
      "bn": {
        "bn-IN": null
      },
      "ca": {
        "ca-ES": null
      },
      "cs": {
        "cs-CZ": null
      },
      "da": {
        "da-DK": null
      },
      "de": {
        "de-AT": null,
        "de-DE": null
      },
      "el": {
        "el-GR": null
      },
      "en": {
        "en-AU": null,
        "en-BG": null,
        "en-CA": null,
        "en-GB": null,
        "en-GY": null,
        "en-HK": null,
        "en-IE": null,
        "en-IN": null,
        "en-MY": null,
        "en-NZ": null,
        "en-PH": null,
        "en-SG": null,
        "en-US": null,
        "en-ZA": null
      },
      "es": {
        "es-AR": null,
        "es-BO": null,
        "es-CL": null,
        "es-CO": null,
        "es-EC": null,
        "es-ES": null,
        "es-MX": null,
        "es-PE": null,
        "es-PY": null,
        "es-US": null,
        "es-UY": null,
        "es-VE": null
      },
      "fi": {
        "fi-FI": null
      },
      "fr": {
        "fr-BE": null,
        "fr-CA": null,
        "fr-FR": null,
        "fr-GF": null
      },
      "hi": {
        "hi-IN": null
      },
      "hu": {
        "hu-HU": null
      },
      "id": {
        "id-ID": null
      },
      "it": {
        "it-IT": null
      },
      "ja": {
        "ja-JP": null
      },
      "kn": {
        "kn-IN": null
      },
      "ko": {
        "ko-KR": null
      },
      "ml": {
        "ml-IN": null
      },
      "mr": {
        "mr-IN": null
      },
      "ms": {
        "ms-MY": null
      },
      "nb": {
        "nb-NO": null
      },
      "nl": {
        "nl-BE": null,
        "nl-NL": null,
        "nl-SR": null
      },
      "pl": {
        "pl-PL": null
      },
      "pt": {
        "pt-BR": null
      },
      "ro": {
        "ro-RO": null
      },
      "ru": {
        "ru-RU": null
      },
      "sv": {
        "sv-SE": null
      },
      "ta": {
        "ta-IN": null
      },
      "te": {
        "te-IN": null
      },
      "th": {
        "th-TH": null
      },
      "tr": {
        "tr-TR": null
      },
      "vi": {
        "vi-VN": null
      },
      "zh": {
        "zh-Hans": {
          "zh-Hans-CN": null
        },
        "zh-Hant": {
          "zh-Hant-HK": null,
          "zh-Hant-TW": null
        }
      }
    }
  }]
}]

Tests:

Recursive Deep Copy
var dimensionsCopy = recursiveDeepCopy(dimensions);
JSON Deep Copy
var dimensionsCopy = jsonDeepCopy(dimensions);
lodash clone
var dimensionsCopy = _.cloneDeep(dimensions);
c7x43t
var dimensionsCopy = deepCopy(dimensions);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Recursive Deep Copy
JSON Deep Copy
lodash clone
c7x43t

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser/OS: Firefox 115 on Windows

View result in a separate tab

Test name	Executions per second
Recursive Deep Copy	2222321.2 Ops/sec
JSON Deep Copy	54111.2 Ops/sec
lodash clone	25940.3 Ops/sec
c7x43t	62696.4 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

I'll do my best to answer your questions.

It seems like you provided a JSON string with some test data, including benchmark results and individual test cases. You also mentioned that the test names are "Recursive Deep Copy", "JSON Deep Copy", "lodash clone", and "c7x43t".

To provide an accurate answer, I would need more information about what you're trying to achieve or ask. However, based on the provided data, here's a summary:

1. You have three JSON objects:
	* `dimensions`: an object with nested properties (e.g., `ml-IN`, `mr-IN`, etc.)
	* `Html Preparation Code`: a string containing HTML script tags
	* `Individual test cases`: an array of objects with "Benchmark Definition" and "Test Name" properties
2. The benchmark results show the execution times for each test case on Firefox 115:
	* Recursive Deep Copy: 2222321.25 executions per second
	* JSON Deep Copy: 54111.2265625 executions per second
	* lodash clone: 25940.3125 executions per second
	* c7x43t: 62696.43359375 executions per second

If you could provide more context or clarify what you'd like to know or achieve with this data, I'll do my best to help!

Related benchmarks:

Object Deep Copy with (version: 0)

Produce a deep copy of a Javascript object where nested objects are not simply references to the originals.

Comparing performance of: Recursive Deep Copy vs JSON Deep Copy vs lodash clone vs c7x43t

Created: 5 years ago by: Guest

Jump to the latest result

Recursive Deep Copy

JSON Deep Copy

lodash clone

c7x43t

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):