Benchmark: string array sort comparison

Script Preparation code:

var string1 = ["lorem", "ipsum", "sim", "dolor", "amet", "sensei", "shaolin", "eight", "nine", "ten"];
var string2 = ["lorem", "ipsum", "sim", "dolor", "amet", "sensei", "shaolin", "eight", "nine", "ten"];
for(let i=0; i<2; i++) string1.push(...string1);
for(let i=0; i<5; i++) string2.push(...string2);
var arr1 = string1;
var arr2 = string2;

Tests:

simple sort
arr1.sort()
localeCompare sort
arr1.sort((a,b) => a.localeCompare(b))

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
simple sort
localeCompare sort

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 provided JSON and individual test cases to understand what's being tested.

**Benchmark Definition JSON**

The benchmark definition JSON provides information about the script preparation code and the HTML preparation code (which is empty in this case). The script preparation code creates two arrays, `string1` and `string2`, by concatenating each array with itself twice (`string1.push(...string1)` and `string2.push(...string2)`). This makes both arrays have 10 elements, which will be used to test the sorting performance.

**Individual Test Cases**

There are two individual test cases:

1. **Simple Sort**: Tests the default sort function on the `arr1` array.
```javascript
arr1.sort()
```
This test case is likely testing the O(n log n) time complexity of the standard sort algorithm used in JavaScript arrays.

2. **LocaleCompare Sort**: Tests the `localeCompare()` method as a sorting callback for the `arr1` array.
```javascript
arr1.sort((a, b) => a.localeCompare(b))
```
This test case is testing the performance of locale-based sorting, which can be more efficient than standard sorting in some cases. The `localeCompare()` method uses the Unicode Collation Algorithm to compare strings based on their language and cultural settings.

**Pros and Cons**

Here are the pros and cons of each approach:

**Simple Sort (Default Sort)**

Pros:

* Widely supported across different browsers and devices
* Easy to implement and understand
* Good performance for most use cases

Cons:

* Can be slower than locale-based sorting for certain languages or cultural settings
* May not handle Unicode characters correctly in some cases

**LocaleCompare Sort**

Pros:

* Faster performance for strings with different language or cultural settings
* Better handling of Unicode characters
* More accurate results for sorting localized data

Cons:

* Requires JavaScript version 5.0 and later (for the `localeCompare()` method)
* May not be supported across all browsers and devices
* Can be slower than default sort for certain use cases

**Library Usage**

In this benchmark, no libraries are explicitly used. However, some browsers may include internal libraries that provide sorting functionality.

**Special JS Features or Syntax**

The test case uses the `localeCompare()` method, which is a special feature introduced in ECMAScript 5 (2011). This feature allows for locale-based string comparison and is widely supported across modern browsers.

**Other Alternatives**

If you want to create similar benchmarks, here are some alternatives:

* Use a more comprehensive set of test cases, such as testing different types of data (e.g., numbers, dates) or edge cases (e.g., empty arrays, null values).
* Experiment with different sorting algorithms, such as merge sort or quicksort.
* Include additional metrics, such as memory usage or CPU utilization, to provide a more complete picture of performance.

Keep in mind that creating high-quality benchmarks requires careful consideration of various factors, including test case design, execution environment, and instrumentation.

Related benchmarks:

string array sort comparison (version: 0)

Comparing performance of: simple sort vs localeCompare sort

Created: 7 years ago by: Guest

Jump to the latest result

simple sort

localeCompare sort

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):