Benchmark: Immer produce vs Lodash cloneDeep 9

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/immer@9.0.16/dist/immer.umd.production.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

nestedState =  {
    key1: {
      key11: {
        key111: 'test'
      }
    }
  };

Tests:

Immer produce
const result = immer.produce((draft) => { draft.key1.key11.key111 = 'updated' })(nestedState)
Lodash cloneDeep
const result = _.cloneDeep(nestedState); result.key1.key11.key111 = 'updated';

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Immer produce
Lodash cloneDeep

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's dive into the world of microbenchmarks and explore what's being tested in this benchmark.

**Overview**

This benchmark compares two approaches to modifying an object: using Immer's `produce` function and Lodash's `cloneDeep` function.

**Immer Produce**

In the first test case, we're creating a new draft object using Immer's `produce` function. This function creates a new copy of the original object (`nestedState`) and allows us to modify it in place without mutating the original object. The modified draft is then returned as the result.

**Lodash CloneDeep**

The second test case uses Lodash's `cloneDeep` function to create a deep clone of the original object (`nestedState`). This function creates a new, independent copy of the object and returns it. We can then modify this cloned object without affecting the original object.

**Options Compared**

Two options are being compared:

1. **Immer Produce**: Creates a new draft object and modifies it in place using Immer's `produce` function.
	* Pros:
		+ Efficient use of memory, as only a copy of the original object is created.
		+ Allows for efficient updates to large objects, as modifications are applied directly to the clone.
	* Cons:
		+ May be slower than Lodash CloneDeep due to the overhead of creating and managing draft objects.
2. **Lodash CloneDeep**: Creates a deep clone of the original object using Lodash's `cloneDeep` function and modifies it independently.
	* Pros:
		+ Provides a clear separation between the original object and the modified copy, making debugging easier.
		+ Can be faster than Immer Produce for small objects, as cloning is typically slower than modifying an existing object.
	* Cons:
		+ Consumes more memory, as a new, independent copy of the object is created.

**Other Considerations**

When choosing between these two approaches, consider the following:

* **Object size**: For large objects, Immer Produce may be more efficient, as it minimizes the number of copies and modifications needed.
* **Modification frequency**: If you need to frequently update small objects, Lodash CloneDeep might be a better choice, as it allows for easier debugging and modification.
* **Memory constraints**: In situations with limited memory, Immer Produce can help reduce memory usage by minimizing the number of copies created.

**Library Usage**

Both test cases use external libraries:

* Immer is used in the `produce` function to create a new draft object.
* Lodash is used in the `cloneDeep` function to create a deep clone of the original object.

These libraries provide optimized and efficient implementations for modifying objects, making it easier to compare their performance in this benchmark.

Related benchmarks:

Immer produce vs Lodash cloneDeep 9 (version: 0)

Comparing performance of: Immer produce vs Lodash cloneDeep

Created: 3 years ago by: Guest

Jump to the latest result

Immer produce

Lodash cloneDeep

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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