Benchmark: klona vs lodash.cloneDeep vs rfdc vs structuredClone vs structuredClone

HTML Preparation code:

<script src="https://unpkg.com/klona@2.0.4/json/index.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
<script src="https://cdn.jsdelivr.net/npm/rfdc@1.1.4/index.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"
            }
        ]
    },
    {
        "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:

cloneDeep
myCopy = _.cloneDeep(sampleObject);
klona
myCopy = klona(sampleObject);
rfdc
var clone = rfdc({ proto: false,circles: false }); myCopy = clone(sampleObject);
recursion
function deepCopy(data) { const t = typeof(data); let o; if (t === 'array') { o = []; } else if (t === 'object') { o = {}; } else { return data; } if (t === 'array') { for (let i = 0; i < data.length; i++) { o.push(deepCopy(data[i])); } } else if (t === 'object') { for (const i in data) { if (!data.hasOwnProperty(i)) { continue; } o[i] = deepCopy(data[i]); } } return o; } myCopy = deepCopy(sampleObject)
structuredClone
myCopy=structuredClone(sampleObject)

Historical Performance Data aggregated from 7 community runs

Desktop Results:

Chrome 7 runs

klona

290K/s

rfdc

259K/s

recursion

148K/s

structuredClone

57K/s

cloneDeep

35K/s

Fastest: klona (8.3x faster)

View exact numbers

✓ klona: 290,414 ops/sec
• rfdc: 259,218 ops/sec
• recursion: 148,110 ops/sec
• structuredClone: 57,101 ops/sec
• cloneDeep: 34,844 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
cloneDeep
klona
rfdc
recursion
structuredClone

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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser/OS: Chrome 135 on Windows

View result in a separate tab

klona

156K/s

rfdc

116K/s

recursion

33K/s

structuredClone

20K/s

cloneDeep

19K/s

View exact numbers

Test name	Executions per second
✓ klona	155,751 Ops/sec
rfdc	115,726 Ops/sec
recursion	33,195 Ops/sec
structuredClone	19,791 Ops/sec
cloneDeep	19,149 Ops/sec

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

LLMs can make mistakes. Check important info.

It seems like you're providing a template for benchmarking different cloning libraries in JavaScript, along with the actual benchmark results.

To answer your question without leaving any part of the template untouched:

For each library (klona, rfdc, recursion, structuredClone), compare their performance by looking at the "ExecutionsPerSecond" column. The library with the highest number of executions per second is likely to be the fastest.

Here's a brief analysis based on the provided results:

1. **klona**: 291248.625 executions per second
2. **rfdc**: 258824.3125 executions per second
3. **recursion**: 148513.96875 executions per second
4. **structuredClone**: 57100.6328125 executions per second
5. **cloneDeep** (using lodash's `cloneDeep`): 34653.58203125 executions per second

Based on these results, klona appears to be the fastest library for cloning objects in JavaScript, followed closely by rfdc.

Please note that this analysis is based solely on the provided benchmark results and might not reflect the overall performance or other aspects of each library. Additionally, the actual performance can vary depending on specific use cases, input data, and system conditions.

klona vs lodash.cloneDeep vs rfdc vs structuredClone vs structuredClone (version: 6) Benchmark.js

比较不同深度拷贝的test big ObjectData

Comparing performance of: `cloneDeep vs klona vs rfdc vs recursion vs structuredClone`

Created: 3 years ago by: Registered User

Go to the latest result

cloneDeep

klona

rfdc

recursion

structuredClone

Historical Performance Data aggregated from 7 community runs

Desktop Results:

Chrome 7 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

klona vs lodash.cloneDeep vs rfdc vs structuredClone vs structuredClone (version: 6) Benchmark.js

比较不同深度拷贝的test big ObjectData

Comparing performance of: cloneDeep vs klona vs rfdc vs recursion vs structuredClone

Created: 3 years ago by: Registered User

Go to the latest result

cloneDeep

klona

rfdc

recursion

structuredClone

Historical Performance Data aggregated from 7 community runs

Desktop Results:

Chrome 7 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: `cloneDeep vs klona vs rfdc vs recursion vs structuredClone`