Benchmark: deep-diff vs json-fast-patch

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/fast-json-patch/dist/fast-json-patch.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/deep-diff/1.0.2/deep-diff.min.js" integrity="sha512-sKpj+p1Vl1GH12VgyCSFdaz5+yjKfd2z10v2G/l1ZeUNN91hZO2NuzuQeCw8ynaLCdYSXanLEekKRWxeqdXU5Q==" crossorigin="anonymous"></script>

Script Preparation code:

var oldObj = {
  "content": {
    "blocks": {
      "block-0": {
        "id": "block-0",
        "type": "p",
        "leafIds": [
          "leaf-2"
        ]
      },
      "block-1": {
        "id": "block-1",
        "type": "p",
        "leafIds": [
          "leaf-3"
        ]
      }
    },
    "leaves": {
      "leaf-2": {
        "id": "leaf-2",
        "text": "12345"
      },
      "leaf-3": {
        "id": "leaf-3",
        "text": "abcde"
      }
    },
    "blockIds": [
      "block-0",
      "block-1"
    ]
  },
  "selection": {
    "isReversed": false,
    "isCollapsed": true,
    "startEl": "leaf-2",
    "endEl": "leaf-2",
    "startOffset": 12,
    "endOffset": 12
  }
}

var newObj = {
  "content": {
    "blocks": {
      "block-0": {
        "id": "block-0",
        "type": "p",
        "leafIds": [
          "leaf-2"
        ]
      },
      "block-1": {
        "id": "block-1",
        "type": "p",
        "leafIds": [
          "leaf-3"
        ]
      }
    },
    "leaves": {
      "leaf-2": {
        "id": "leaf-2",
        "text": "12345hooba12"
      },
      "leaf-3": {
        "id": "leaf-3",
        "text": "abcde"
      }
    },
    "blockIds": [
      "block-0",
      "block-1"
    ]
  },
  "selection": {
    "isReversed": false,
    "isCollapsed": true,
    "startEl": "leaf-2",
    "endEl": "leaf-2",
    "startOffset": 12,
    "endOffset": 12
  }
}

var diffs = []

Tests:

deep-diff
var diff = DeepDiff.diff(newObj, oldObj) diffs.push(diff)
json-fast-patch
var diff = jsonpatch.compare(oldObj, newObj); diffs.push(diff)

Historical Performance Data aggregated from 19 community runs

Desktop Results:

Chrome 14 runs

json-fast-patch

653K/s

deep-diff

278K/s

Fastest: json-fast-patch (2.3x faster)

View exact numbers

✓ json-fast-patch: 652,570 ops/sec
• deep-diff: 277,726 ops/sec

Firefox 5 runs

json-fast-patch

127K/s

deep-diff

69K/s

Fastest: json-fast-patch (1.8x faster)

View exact numbers

✓ json-fast-patch: 126,532 ops/sec
• deep-diff: 68,550 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
deep-diff
json-fast-patch

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Browser/OS: Chrome 138 on Mac OS X 10.15.7

View result in a separate tab

json-fast-patch

800K/s

deep-diff

288K/s

View exact numbers

Test name	Executions per second
✓ json-fast-patch	799,683 Ops/sec
deep-diff	287,781 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 is being tested.

**Benchmark Overview**

The benchmark compares two JavaScript libraries: `json-fast-patch` and `deep-diff`. The goal is to determine which library is faster for making JSON patches.

**Options Compared**

There are two options compared:

1. **json-fast-patch**: This library provides a simple way to compare two JSON objects and generate a patch.
2. **deep-diff**: This library provides a more comprehensive diffing algorithm that can detect changes between two JSON objects, including nested structures.

**Pros and Cons of Each Approach**

**json-fast-patch:**

Pros:

* Simple and lightweight
* Fast execution

Cons:

* May not handle complex JSON structures well
* Limited error handling

**deep-diff:**

Pros:

* Handles complex JSON structures well
* Includes robust error handling and support for edge cases

Cons:

* More computationally expensive than json-fast-patch
* Larger codebase

**Library Descriptions**

1. **json-fast-patch**: This library is designed to provide a fast and efficient way to compare two JSON objects and generate a patch. It uses a simple algorithm that works well for small to medium-sized JSON structures.
2. **deep-diff**: This library provides a more comprehensive diffing algorithm that can handle complex JSON structures, including nested objects and arrays. It includes robust error handling and support for edge cases, making it suitable for applications where data integrity is crucial.

**Special JS Features or Syntax**

Neither of the libraries used in this benchmark relies on any special JavaScript features or syntax beyond standard ECMAScript.

**Other Alternatives**

If you're looking for alternative JSON patching libraries, some popular options include:

* **jsondiffpatch**: A lightweight and efficient library that provides a fast way to compare two JSON objects.
* **fast-json-patch**: A faster alternative to the original json-fast-patch library, optimized for high-performance use cases.

In summary, the benchmark compares two JavaScript libraries: `json-fast-patch` and `deep-diff`. The choice between these libraries depends on your specific requirements, including the complexity of your JSON structures, performance needs, and error handling requirements.

deep-diff vs json-fast-patch (version: 1)

deep-diff vs json-fast-patch

Comparing performance of: `deep-diff vs json-fast-patch`

Created: 4 years ago by: Registered User

Go to the latest result

deep-diff

json-fast-patch

Historical Performance Data aggregated from 19 community runs

Desktop Results:

Chrome 14 runs

Firefox 5 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

deep-diff vs json-fast-patch (version: 1)

deep-diff vs json-fast-patch

Comparing performance of: deep-diff vs json-fast-patch

Created: 4 years ago by: Registered User

Go to the latest result

deep-diff

json-fast-patch

Historical Performance Data aggregated from 19 community runs

Desktop Results:

Chrome 14 runs

Firefox 5 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: `deep-diff vs json-fast-patch`