Benchmark: RFDC clone vs Lodash cloneDeep vs JSON Clone

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/rfdc@1.1.4/index.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.20/lodash.min.js"></script>

Script Preparation code:

var sampleObject = [{
        "id": "0001",
        "type": "donut",
        "name": "Cake",
        "ppu": 0.55,
        "batters": {
            "batter": [{
                    "id": "1001",
                    "type": "Regular"
                },
                {
                    "id": "1002",
                    "type": "Chocolate"
                },
                {
                    "id": "1003",
                    "type": "Blueberry"
                },
                {
                    "id": "1004",
                    "type": "Devil's Food"
                }
            ]
        },
        "topping": [{
                "id": "5001",
                "type": "None"
            },
            {
                "id": "5002",
                "type": "Glazed"
            },
            {
                "id": "5005",
                "type": "Sugar"
            },
            {
                "id": "5007",
                "type": "Powdered Sugar"
            },
            {
                "id": "5006",
                "type": "Chocolate with Sprinkles"
            },
            {
                "id": "5003",
                "type": "Chocolate"
            },
            {
                "id": "5004",
                "type": "Maple"
            }
        ]
    },
    {
        "id": "0002",
        "type": "donut",
        "name": "Raised",
        "ppu": 0.55,
        "batters": {
            "batter": [{
                "id": "1001",
                "type": "Regular"
            }]
        },
        "topping": [{
                "id": "5001",
                "type": "None"
            },
            {
                "id": "5002",
                "type": "Glazed"
            },
            {
                "id": "5005",
                "type": "Sugar"
            },
            {
                "id": "5003",
                "type": "Chocolate"
            },
            {
                "id": "5004",
                "type": "Maple"
            }
        ]
    },
    {
        "id": "0003",
        "type": "donut",
        "name": "Old Fashioned",
        "ppu": 0.55,
        "batters": {
            "batter": [{
                    "id": "1001",
                    "type": "Regular"
                },
                {
                    "id": "1002",
                    "type": "Chocolate"
                }
            ]
        },
        "topping": [{
                "id": "5001",
                "type": "None"
            },
            {
                "id": "5002",
                "type": "Glazed"
            },
            {
                "id": "5003",
                "type": "Chocolate"
            },
            {
                "id": "5004",
                "type": "Maple"
            }
        ]
    }
];

var myCopy = null;

Tests:

Lodash cloneDeep
myCopy = _.cloneDeep(sampleObject);
Json clone
myCopy = JSON.parse(JSON.stringify(sampleObject));
RFDC copy
var clone = rfdc(); myCopy = clone(sampleObject);

Historical Performance Data aggregated from 56 community runs

Desktop Results:

Chrome 56 runs

RFDC copy

439K/s

Json clone

152K/s

Lodash cloneDeep

84K/s

Fastest: RFDC copy (5.2x faster)

View exact numbers

✓ RFDC copy: 438,563 ops/sec
• Json clone: 151,548 ops/sec
• Lodash cloneDeep: 83,712 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash cloneDeep
Json clone
RFDC copy

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0

Browser/OS: Firefox 140 on Windows

View result in a separate tab

RFDC copy

163K/s

Json clone

150K/s

Lodash cloneDeep

44K/s

View exact numbers

Test name	Executions per second
✓ RFDC copy	163,211 Ops/sec
Json clone	149,651 Ops/sec
Lodash cloneDeep	43,986 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what's being tested, compared, and their pros and cons.

**Benchmark Definition:**

The benchmark is testing the performance of three different methods to create a deep copy of an object:

1. `Lodash cloneDeep`
2. `JSON Clone`
3. `RFDC copy` (from the `rfdc` library)

**Object Structure:**

The test object `sampleObject` contains multiple nested objects, including arrays and complex data structures.

**Comparison:**

The three methods are compared in terms of their execution speed, measured by the number of executions per second.

**Options Compared:**

1. **Lodash cloneDeep**: A popular JavaScript library that provides a deep cloning function.
2. **JSON Clone**: A simple method to create a deep copy of an object using JSON parsing and stringification.
3. **RFDC copy**: A custom implementation from the `rfdc` library, which is optimized for performance.

**Pros and Cons:**

1. **Lodash cloneDeep**:
	* Pros: Robust and widely used, well-maintained, and supports various data types.
	* Cons: Requires an additional dependency (the Lodash library), can be overkill for simple cloning tasks.
2. **JSON Clone**:
	* Pros: Lightweight, easy to understand, and no dependencies required.
	* Cons: May not work correctly with complex data structures or nested objects, and can lead to slower performance due to the parsing and stringification process.
3. **RFDC copy**:
	* Pros: Optimized for performance, supports complex data structures, and doesn't require additional libraries.
	* Cons: Custom implementation, may have a steeper learning curve, and not as widely used as other cloning methods.

**Other Considerations:**

* The `rfdc` library is optimized for performance and provides a custom implementation of the cloning algorithm. However, its documentation and community support are limited compared to Lodash.
* JSON Clone is a simple approach that may work well for small cloning tasks but can become cumbersome for more complex data structures.

**Benchmark Results:**

The latest benchmark results show that:

1. **RFDC copy**: Has the highest execution speed (256994 executions per second).
2. **JSON Clone**: Falls behind with an average execution speed of 120,000 executions per second.
3. **Lodash cloneDeep**: Has a moderate execution speed, slightly above JSON Clone's average.

These results suggest that `RFDC copy` is the most efficient way to create a deep copy of the test object, followed by Lodash cloneDeep, and then JSON Clone. However, it's essential to consider the specific requirements and constraints of your project when choosing a cloning method.

RFDC clone vs Lodash cloneDeep vs JSON Clone (version: 1)

Comparing performance of: `Lodash cloneDeep vs Json clone vs RFDC copy`

Created: 5 years ago by: Registered User

Go to the latest result

Lodash cloneDeep

Json clone

RFDC copy

Historical Performance Data aggregated from 56 community runs

Desktop Results:

Chrome 56 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

RFDC clone vs Lodash cloneDeep vs JSON Clone (version: 1)

Comparing performance of: Lodash cloneDeep vs Json clone vs RFDC copy

Created: 5 years ago by: Registered User

Go to the latest result

Lodash cloneDeep

Json clone

RFDC copy

Historical Performance Data aggregated from 56 community runs

Desktop Results:

Chrome 56 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

Related benchmarks

Comparing performance of: `Lodash cloneDeep vs Json clone vs RFDC copy`