Benchmark: string comparison test localeCompare

Tests:

string compare with locale
const a = "1582804062513_note" const b = "1592804062513_note" const c = a.localeCompare(b, undefined, { sensitivity: 'base' }) const d = b.localeCompare(a, undefined, { sensitivity: 'base' })
string compare simple
const a = "1582804062513_note" const b = "1592804062513_note" const c = a.localeCompare(b) const d = b.localeCompare(a)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
string compare with locale
string compare simple

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0

Browser/OS: Chrome 119 on Windows

View result in a separate tab

Test name	Executions per second
string compare with locale	75271.4 Ops/sec
string compare simple	2765719.8 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one month 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 designed to measure the performance of JavaScript's `String.prototype.localeCompare()` method, which compares two strings based on their locale-specific rules.

**Options Compared**

There are two test cases:

1. **"string compare with locale"**: This test case uses the `localeCompare` method with an additional argument `{ sensitivity: 'base' }`. The "base" sensitivity means that the comparison will be done without taking into account non-ASCII characters, such as accents or non-Latin scripts.
2. **"string compare simple"**: This test case uses the `localeCompare` method without any additional arguments.

**Pros and Cons of Different Approaches**

Using the `localeCompare` method with sensitivity set to `'base'` can have some benefits:

* It ensures that non-ASCII characters are not taken into account, which can be important for certain applications, such as searching or sorting.
* It provides a more predictable behavior compared to the default behavior, where locale-specific rules might be applied.

However, it also has some potential drawbacks:

* It may not handle all possible Unicode characters correctly, especially those that are not part of the ASCII character set.
* It can lead to inconsistent results across different locales and browsers.

On the other hand, using the `localeCompare` method without any additional arguments will use the default behavior, which includes taking into account locale-specific rules for non-ASCII characters. This means:

* It provides a more comprehensive comparison that handles all Unicode characters.
* However, it can lead to inconsistent results across different locales and browsers.

**Library and Purpose**

There is no explicit library mentioned in the benchmark definition or test cases. The `String.prototype.localeCompare()` method is a built-in JavaScript method that compares two strings based on their locale-specific rules.

**Special JS Feature or Syntax**

The only special syntax used in this benchmark is the use of template literals (`\r\n` and `\n`) to define string literals with newline characters. This syntax was introduced in ECMAScript 2015 (ES6) and allows for more readable string definitions.

**Other Alternatives**

If you need to compare strings without using the `localeCompare` method, you can use other comparison functions, such as:

* `String.prototype.localeCompare()` without any arguments (default behavior)
* `String.prototype.compare()` (not supported in all browsers)
* Custom implementation of a string comparison function
* Using a library like ICU or Unicode Normalization

Keep in mind that the choice of comparison method depends on your specific use case and requirements.

Related benchmarks:

string comparison test localeCompare (version: 0)

Comparing performance of: string compare with locale vs string compare simple

Created: one year ago by: Guest

Jump to the latest result

string compare with locale

string compare simple

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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