Benchmark: Lodash isEqual test for strings

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

window.foo = 'String 1 whatever';
window.bar = 'String 1 whatever';

Tests:

_.isEqual
_.isEqual(window.foo, window.bar)
native ==
window.foo == window.bar;

Historical Performance Data aggregated from 20 community runs

Desktop Results:

Chrome 20 runs

native ==

70.8M/s

_.isEqual

36.8M/s

Fastest: native == (1.9x faster)

View exact numbers

✓ native ==: 70,796,560 ops/sec
• _.isEqual: 36,849,704 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
_.isEqual
native ==

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36

Browser/OS: Chrome 149 on Mac OS X 10.15.7

View result in a separate tab

native ==

232.4M/s

_.isEqual

136.6M/s

View exact numbers

Test name	Executions per second
✓ native ==	232,422,672 Ops/sec
_.isEqual	136,636,800 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 definition and test cases to understand what's being tested, the options compared, and their pros and cons.

**Benchmark Definition**

The benchmark measures the performance of two approaches:

1. **Lodash `_.isEqual` method**: A JavaScript library function that compares two values for equality.
2. **Native string comparison (`window.foo == window.bar;`)**: The built-in string comparison operator in JavaScript.

**Options Compared**

These two options are being compared to determine which one is faster and more efficient.

**Pros and Cons of Each Approach:**

1. **Lodash `_.isEqual` method**:
	* Pros:
		+ Provides a standardized way to compare values for equality.
		+ Can handle complex data structures like arrays, objects, and dates.
	* Cons:
		+ Adds an additional library dependency.
		+ May introduce overhead due to function call and object creation.
2. **Native string comparison (`window.foo == window.bar;`)**:
	* Pros:
		+ Lightweight and doesn't require any external dependencies.
		+ Fast and efficient, as it's a built-in operator.
	* Cons:
		+ Limited to simple string comparisons only.

**Library: Lodash**

Lodash is a popular JavaScript library that provides a collection of useful functions for working with data structures like arrays, objects, and dates. In this case, the `_.isEqual` method is used to compare two values for equality.

**Special JS Feature/Syntax**

None are mentioned in this benchmark definition.

**Other Alternatives**

If you want to test native string comparison without Lodash, you could use a simple implementation like:

```javascript
function nativeStringComparison(a, b) {
  return a === b;
}
```

Keep in mind that this approach is specific to string comparisons only and lacks the general-purpose equality comparison provided by Lodash.

**Benchmark Preparation Code**

The preparation code creates two variables `window.foo` and `window.bar`, both set to the same value `"String 1 whatever"`. This setup ensures that the benchmark can be executed without any external dependencies or side effects.

Lodash isEqual test for strings (version: 0)

Test on isEqual performance on strings

Comparing performance of: `_.isEqual vs native ==`

Created: 7 years ago by: Guest

Go to the latest result

_.isEqual

native ==

Historical Performance Data aggregated from 20 community runs

Desktop Results:

Chrome 20 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

Lodash isEqual test for strings (version: 0)

Test on isEqual performance on strings

Comparing performance of: _.isEqual vs native ==

Created: 7 years ago by: Guest

Go to the latest result

_.isEqual

native ==

Historical Performance Data aggregated from 20 community runs

Desktop Results:

Chrome 20 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: `_.isEqual vs native ==`