Benchmark: Compare options 3

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 collator = new Intl.Collator('en', { numeric: true, sensitivity: 'base' });

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.

Let's break down the benchmark and its options.

**Benchmark Overview**

The benchmark measures the performance of three different approaches for sorting an array of strings:

1. **LocaleCompare**: using the `localeCompare` method to compare strings, which is a built-in JavaScript method that takes into account the locale and collation settings.
2. **Vanilla**: using a simple comparison function `(a, b) => a > b ? 1 : -1`, which returns an integer value indicating whether `a` is greater than `b`.
3. **Collator**: using the `Intl.Collator` API to create a collation object and compare strings using the `compare` method.

**Options Compared**

The benchmark compares the performance of these three approaches, specifically:

* LocaleCompare (vanilla locale comparison)
* Vanilla (custom comparison function)
* Collator (using Intl.Collator API)

**Pros and Cons of Each Approach**

1. **LocaleCompare**:
	* Pros: takes into account locale and collation settings, provides a more accurate comparison.
	* Cons: can be slower due to the additional overhead of determining the locale and collation settings.
2. **Vanilla**:
	* Pros: simple and fast, no additional overhead.
	* Cons: relies on manual sorting, which can lead to incorrect results if not implemented correctly.
3. **Collator**:
	* Pros: provides a more accurate comparison than vanilla, but still uses the Intl.Collator API, which can be slower than vanilla.
	* Cons: requires the use of the Intl.Collator API, which may not be available in all browsers or environments.

**Library and Purpose**

The `Intl.Collator` library is part of the ECMAScript Internationalization API. Its purpose is to provide a standardized way for comparing strings based on their locale and collation settings.

In this benchmark, the `collator` variable is created using `new Intl.Collator('en', { numeric: true, sensitivity: 'base' })`, which sets up the collation object for English locale with numerical sorting enabled. The `compare` method of this object is then used to compare strings.

**Special JS Feature or Syntax**

The benchmark uses the `localeCompare` method and the `Intl.Collator` API, which are specific features of modern JavaScript that provide improved support for internationalization and localization.

**Alternatives**

Other alternatives for comparing strings include:

* Using a custom comparison function like `(a, b) => a.localeCompare(b)`
* Using a sorting algorithm like quicksort or mergesort
* Using a library like jQuery UI's sorting plugin

Note that the choice of comparison approach depends on the specific requirements and constraints of your use case.

Related benchmarks:

Compare options 3 (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):