Benchmark: sample_Jai - MeasureThat.net

HTML Preparation code:

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

Script Preparation code:

// 1 level deep
window.foo1 = { a: 1, b: 2, c: { a: 1, b: 2, c: { b: 2, a: 1  } } };
window.bar1 = { a: 1, b: 3, c: { a: 1, b: 2, c: { a: 1, b: 2 } } };

// 2 levels deep
window.foo2 = { a: 1, b: 2, c: { a: 1, b: 2, c: { b: 2, a: 1 } } };
window.bar2 = { a: 1, b: 2, c: { a: 1, b: 3, c: { a: 1, b: 2 } } };

// 3 levels deep
window.foo3 = { a: 1, b: 2, c: { a: 1, b: 2, c: { b: 2, a: 1 } } };
window.bar3 = { a: 1, b: 2, c: { a: 1, b: 2, c: { a: 1, b: 4 } } };

Tests:

usingStringify for 1
JSON.stringify(window.foo1) === JSON.stringify(window.bar1);
usingStringify for 2
JSON.stringify(window.foo2) === JSON.stringify(window.bar2);
isEqual for 1
_.isEqual(window.foo1, window.bar1)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
usingStringify for 1
usingStringify for 2
isEqual for 1

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 Edg/122.0.0.0

Browser/OS: Chrome 122 on Windows

View result in a separate tab

Test name	Executions per second
usingStringify for 1	1500138.4 Ops/sec
usingStringify for 2	1494271.9 Ops/sec
isEqual for 1	1681498.6 Ops/sec

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 JavaScript microbenchmarks.

**What is tested?**

The provided JSON represents three individual test cases, each comparing two objects: `window.foo1` and `window.bar1`, `window.foo2` and `window.bar2`, and `window.foo3` and `window.bar3`. The test cases are designed to measure the performance of different methods for comparing these objects.

**Options compared**

The three test cases compare two options:

1. **Using `JSON.stringify()`**: This method converts the object into a JSON string and then compares it with the expected result.
2. **Using Lodash's `isEqual()` function**: This function is part of the Lodash library, which provides a set of helper functions for common programming tasks.

**Pros and cons of each approach**

1. **Using `JSON.stringify()`:**
	* Pros:
		+ Simple to implement
		+ Works for all objects, regardless of their structure or complexity
	* Cons:
		+ Can lead to slow performance when dealing with large objects or deep structures
		+ May not work correctly for certain data types (e.g., dates, regex objects)
2. **Using Lodash's `isEqual()` function:**
	* Pros:
		+ Optimized for performance and can handle complex object comparisons efficiently
		+ Works well with most data types, including nested structures
	* Cons:
		+ Requires the presence of the Lodash library
		+ May not be as simple to implement as using `JSON.stringify()`

**Library usage**

The test cases use the Lodash library for one of the options (`_.isEqual()` function). Lodash is a popular utility library that provides a set of reusable functions for common programming tasks. In this case, the `isEqual()` function is used to compare objects in a more efficient and accurate way than using `JSON.stringify()`.

**Special JS features or syntax**

None are mentioned in the provided JSON, so there's no need to explain them.

**Other alternatives**

If you don't want to use Lodash's `isEqual()` function, you can explore other alternatives for comparing objects, such as:

* Using a library like **DeepEqual** (another popular equality checking library)
* Implementing your own object comparison algorithm using techniques like recursion or a custom hash function
* Leveraging modern JavaScript features like **Object.is()**, which provides a more efficient way to compare objects

Keep in mind that the choice of alternative depends on your specific use case, performance requirements, and personal preferences.

Related benchmarks:

sample_Jai (version: 0)

check how to compare JSONs

Comparing performance of: usingStringify for 1 vs usingStringify for 2 vs isEqual for 1

Created: 2 years ago by: Guest

Jump to the latest result

usingStringify for 1

usingStringify for 2

isEqual for 1

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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