Benchmark: Compare options 2

Script Preparation code:

var counties = ["The Stewartry of Kirkcudbright",
"Lanarkshire",
"County Down",
"Berkshire",
"Gwynedd",
"Derbyshire",
"Inverness",
"East Lothian",
"Nairn",
"Dunbartonshire",
"Berwickshire",
"Banffshire",
"Hertfordshire",
"Midlothian",
"East Sussex",
"East Riding of Yorkshire",
"Clackmannan",
"Orkney",
"Stirling and Falkirk",
"Moray",
"Caithness",
"Lancashire",
"Merseyside",
"County Armagh",
"Somerset",
"Greater London",
"Worcestershire",
"Western Isles",
"Argyll and Bute",
"Perth and Kinross",
"Leicestershire",
"City of Aberdeen",
"County Tyrone",
"Kincardineshire",
"City of Edinburgh",
"Rutland",
"Northumberland",
"Norfolk",
"Suffolk",
"Dorset",
"Gwent",
"Greater Manchester",
"South Glamorgan",
"Bristol",
"Shetland",
"Devon",
"Aberdeenshire",
"Durham",
"Oxfordshire",
"Wigtown",
"County Fermanagh",
"South Yorkshire",
"Clwyd",
"Isle of Wight",
"City of Dundee",
"Tyne and Wear",
"Nottinghamshire",
"Warwickshire",
"North Yorkshire",
"County Antrim",
"Gloucestershire",
"Renfrewshire",
"Mid Glamorgan",
"Lincolnshire",
"Hampshire",
"City of Glasgow",
"Herefordshire",
"Sutherland",
"West Lothian",
"Cheshire",
"Wiltshire",
"Essex",
"Tweeddale",
"Shropshire",
"Cornwall",
"West Yorkshire",
"Dyfed",
"Bedfordshire",
"Roxburgh, Ettrick and Lauderdale",
"West Midlands",
"Staffordshire",
"Isle of Man",
"Powys",
"County Derry / Londonderry",
"Buckinghamshire",
"Surrey",
"Northamptonshire",
"Angus",
"Dumfries",
"Cumbria",
"West Glamorgan",
"Cambridgeshire",
"Fife",
"Ross and Cromarty",
"Kent",
"Ayrshire and Arran",
"West Sussex"]

var options = {
  sensitivity: 'base'
};

var collator = new Intl.Collator(undefined, options);

Tests:

LocaleCompare
counties.sort((a, b) => a.localeCompare(b))
Vanilla
counties.sort((a, b) => a > b ? 1 : -1)
Collator
counties.sort((a,b) => collator.compare(a, b))

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
LocaleCompare
Vanilla
Collator

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.

I'll break down the benchmark and its options for you.

**Benchmark Definition**

The benchmark is to compare three options for sorting an array of strings in JavaScript:

1. Using the `localeCompare` method (Option 2)
2. Using a simple comparison function (`>`) (Option Vanilla)
3. Using the `Intl.Collator` API and its `compare` method (Option Collator)

**Options Compared**

Here's what each option does:

* **Option 1: LocaleCompare**: This option uses the `localeCompare` method to compare strings. It's a built-in method that returns a number indicating the sort order. A negative value indicates that the first string should come before the second, while a positive value indicates the opposite.
* **Option 2 (Vanilla):** This option uses a simple comparison function (`>`) to compare strings. If the first string is greater than the second, it returns `1`. Otherwise, if the second string is greater, it returns `-1`. A return of `0` means they are equal. This approach doesn't account for language-specific sorting rules.
* **Option 3 (Collator):** This option uses the `Intl.Collator` API and its `compare` method to compare strings. The `Intl.Collator` object is designed to handle language-specific sorting rules, such as accent marks or non-ASCII characters.

**Pros and Cons**

Here's a brief summary of each option:

* **LocaleCompare**: Pros: built-in method, handles language-specific sorting rules. Cons: may not be perfect, can be slower due to locale-specific comparisons.
* **Vanilla:** Pros: simple, fast. Cons: doesn't account for language-specific sorting rules, can produce incorrect results.
* **Collator:** Pros: handles language-specific sorting rules, relatively fast. Cons: requires an `Intl` object, may require more setup.

**Other Considerations**

When choosing a sorting option, consider the following factors:

* Language support: If you need to sort strings in different languages, `Intl.Collator` is a better choice.
* Performance: For simple sorting tasks, the vanilla comparison function might be faster. However, for more complex or language-specific cases, `Intl.Collator` can provide better performance.

**Library and Purpose**

The `Intl.Collator` library is part of the ECMAScript Internationalization API (ECMA-402). Its purpose is to provide a way to compare strings in a language-agnostic manner, taking into account various factors such as accents, non-ASCII characters, and cultural differences.

In this benchmark, we're using `Intl.Collator` to test its performance against the built-in `localeCompare` method.

Related benchmarks:

Compare options 2 (version: 0)

LocaleCompare vs vanilla comparison

Comparing performance of: LocaleCompare vs Vanilla vs Collator

Created: 3 years ago by: Guest

Jump to the latest result

LocaleCompare

Vanilla

Collator

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):