Benchmark: Lodash isEqual vs serialize addresses

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

window.address1 = [{ childrenIndex: 0 }, { toggleIndex: 1 }, { instanceIndex: 2 }, { childrenIndex: 0 }, { toggleIndex: 1 }, { instanceIndex: 2 }, { childrenIndex: 0 }, { toggleIndex: 1 }, { instanceIndex: 2 }, { childrenIndex: 0 }, { toggleIndex: 1 }, { instanceIndex: 2 }, { childrenIndex: 0 }, { toggleIndex: 1 }, { instanceIndex: 2 }];
window.address2 = [{ childrenIndex: 1 }, { toggleIndex: 1 }, { instanceIndex: 2 }, { childrenIndex: 0 }, { toggleIndex: 1 }, { instanceIndex: 2 }, { childrenIndex: 0 }, { toggleIndex: 1 }, { instanceIndex: 2 }, { childrenIndex: 0 }, { toggleIndex: 1 }, { instanceIndex: 2 }, { childrenIndex: 0 }, { toggleIndex: 1 }, { instanceIndex: 2 }];

const serializeAddress = (address) =>
	address.reduce((serialized, point) => {
		const { childrenIndex, toggleIndex, instanceIndex } = point;

		let pointCode;
		if (childrenIndex !== undefined) {
			pointCode = `c${childrenIndex}`;
		}
		if (toggleIndex !== undefined) {
			pointCode = `t${toggleIndex}`;
		}
		if (instanceIndex !== undefined) {
			pointCode = `i${instanceIndex}`;
		}

		return `${serialized}${pointCode}`;
	}, '');

window.compareAddress = (a1, a2) => serializeAddress(a1) === serializeAddress(a2);

Tests:

Lodash isEqual
_.isEqual(window.address1, window.address2)
Native compare
compareAddress(window.address1, window.address2)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash isEqual
Native compare

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 break down the benchmark and explain what's being tested.

**Benchmark Overview**

The benchmark is comparing the performance of two approaches to serialize and compare JavaScript objects: Lodash's `isEqual` function and a custom implementation using string concatenation.

**Options Compared**

Two options are compared:

1. **Lodash `isEqual`**: This is a popular utility function in Lodash that compares two values for deep equality.
2. **Custom Serialization and Comparison**: This approach uses string concatenation to serialize the objects into a unique code format, which can be compared using a custom `compareAddress` function.

**Pros and Cons**

**Lodash `isEqual`:**

Pros:

* Widely used and well-maintained library
* Provides a robust implementation for deep equality comparison

Cons:

* May have some overhead due to its object-oriented nature
* Requires an additional dependency (Lodash)

**Custom Serialization and Comparison:**

Pros:

* Lightweight and self-contained, with no external dependencies
* Can potentially be optimized for specific use cases

Cons:

* Manual implementation can lead to errors and inefficiencies
* Code may not be as readable or maintainable as Lodash's implementation

**Library Used**

In the benchmark definition, Lodash is used in two ways: `isEqual` function is called directly, while a custom `compareAddress` function is defined using string concatenation. The purpose of this library is to provide a reliable and efficient way to compare objects for equality.

**Special JS Feature/Syntax**

None are mentioned in the benchmark definition or the provided code. However, it's worth noting that Lodash is commonly used in JavaScript development to simplify tasks like array manipulation, object comparison, and more.

**Other Alternatives**

For serializing and comparing JavaScript objects, other libraries or approaches can be considered:

1. **JSON.stringify**: This method can be used for serialization, but it may not provide the same level of customization as Lodash's implementation.
2. **lodash-clonedeep**: Another useful utility function from Lodash that creates a deep copy of an object, which could be used in conjunction with `isEqual` or another comparison approach.
3. **Custom implementations using recursive functions**: These can provide fine-grained control over serialization and comparison but may require more manual effort.

I hope this explanation helps you understand the benchmark and its underlying mechanics!

Related benchmarks:

Lodash isEqual vs serialize addresses (version: 0)

Comparing performance of: Lodash isEqual vs Native compare

Created: 3 years ago by: Registered User

Jump to the latest result

Lodash isEqual

Native compare

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):