Benchmark: new Url vs RegEx (1)

Tests:

new URL
return new URL('https://is5-ssl.mzstatic.com/image/thumb/Purple126/v4/00/33/2e/00332e58-b196-82cf-1231-82d81d6fe477/AppIcon_TikTok-0-0-1x_U007emarketing-0-0-0-7-0-0-sRGB-0-0-0-GLES2_U002c0-512MB-85-220-0-0.png/512x0w.png').origin;
RegEx
return 'https://is5-ssl.mzstatic.com/image/thumb/Purple126/v4/00/33/2e/00332e58-b196-82cf-1231-82d81d6fe477/AppIcon_TikTok-0-0-1x_U007emarketing-0-0-0-7-0-0-sRGB-0-0-0-GLES2_U002c0-512MB-85-220-0-0.png/512x0w.png'.match(/^(?:https?:\/\/)?(?:[^@\n]+@)?(?:www\.)?([^:\/\n?]+)(\/[^?#]*)?(\?[^#]*)?/)[0]

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
new URL
RegEx

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/125.0.0.0 Safari/537.36

Browser/OS: Chrome 125 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
new URL	1107430.2 Ops/sec
RegEx	1324442.6 Ops/sec

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

LLMs can make mistakes. Check important info.

The provided benchmark measures the performance difference between two approaches to parse URLs in JavaScript:

1. **new URL()**: This method is part of the URL API, introduced in ECMAScript 2016 (ES6). It creates a new URL object from a given string, parsing it according to the URL syntax rules.
2. **Regular Expression (RegEx)**: The benchmark uses a RegEx pattern to extract the URL components from a given string.

**Options compared:**

* `new URL()`
* Regular Expression (RegEx)

**Pros and Cons of each approach:**

1. **new URL():**
	* Pros:
		+ More readable and maintainable code, as it uses an object-oriented interface.
		+ Less error-prone, as the API is well-defined and easy to use.
		+ Supports more advanced URL features, such as parsing query parameters and fragment identifiers.
	* Cons:
		+ May be slower than RegEx for simple cases, due to the overhead of creating a new object.
2. **Regular Expression (RegEx):**
	* Pros:
		+ Highly optimized for performance, as it uses native engine capabilities.
		+ Can be faster than `new URL()` for very simple URL parsing cases.
	* Cons:
		+ Less readable and maintainable code, due to the complex pattern syntax.
		+ Error-prone, as a single mistake can lead to unexpected results.

**Library usage:**

None of the benchmarks uses any external libraries beyond JavaScript's built-in functionality (e.g., `URL` API).

**Special JS features or syntax:**

The benchmark does not use any special JavaScript features or syntax. However, it does use ECMAScript 2016 (ES6) syntax for the `new URL()` method.

**Alternatives:**

For simple URL parsing cases, RegEx might be sufficient and more efficient than `new URL()`. For more complex URL parsing needs, `new URL()` is likely a better choice due to its object-oriented interface and support for advanced features.

Other alternatives for comparing URL parsing performance include:

* Using a library like [url-regex](https://github.com/sindresorhus/url-regex) or [url-normalizer](https://github.com/matteowiesler/url-normalizer), which provide optimized RegEx patterns for common URL use cases.
* Implementing custom URL parsing logic using a combination of JavaScript and native code (e.g., C++ or Assembly).
* Using a third-party benchmarking library like [benchmark.js](https://github.com/GoogleChrome/benchmark) to run multiple benchmarks simultaneously.

Related benchmarks:

new Url vs RegEx (1) (version: 0)

Comparing performance of: new URL vs RegEx

Created: 2 years ago by: Guest

Jump to the latest result

new URL

RegEx

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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