Benchmark: IFuzzy Sort - MeasureThat.net

Script Preparation code:

a = [{
        month: 2,
        year: 2021
    },
    {
        month: 8,
        year: 2020
    },
    {
        month: 5,
        year: 2021
    },
    {
        month: 3,
        year: 2022
    },
    {
        month: 9,
        year: 2022
    }
]

Tests:

using valueOf
function a1(a, b) { return new Date(a.year, a.month).valueOf() - new Date(b.year, b.month).valueOf() } a.sort(a1)
not using valueOf
function a2(a, b) { if (a.year < b.year) return -1 if (a.year > b.year) return 1 return a.month - b.month } a.sort(a2)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
using valueOf
not using valueOf

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

**Benchmark Explanation**

The provided JSON represents a JavaScript microbenchmark for comparing two approaches to sorting fuzzy dates in an array.

**Approach 1: Using `valueOf()`**

In this approach, the `a1` function uses the `valueOf()` method of the `Date` object to compare dates. The idea is that `valueOf()` returns the number of milliseconds since January 1, 1970, which can be used for sorting purposes.

**Approach 2: Without using `valueOf()`**

In this approach, the `a2` function uses a simple comparison between date parts (year and month) to sort dates. The idea is that by comparing these parts separately, we can avoid issues with date ranges and fuzzy dates.

**Pros and Cons of Each Approach**

* **Approach 1: Using `valueOf()`**
	+ Pros:
		- Fast and efficient, as it uses a built-in method for date comparison.
	+ Cons:
		- May not work correctly for dates outside the range of January 1, 1970 to December 31, 9999 (when JavaScript's internal date representation starts to get inaccurate).
		- May not be suitable for sorting fuzzy dates that are close but not exactly equal.
* **Approach 2: Without using `valueOf()`**
	+ Pros:
		- More robust and accurate than Approach 1, as it considers the entire date range.
		- Suitable for sorting fuzzy dates that are close but not exactly equal.
	+ Cons:
		- May be slower than Approach 1 due to the additional comparison steps.

**Library: None**

There is no external library used in this benchmark.

**Special JavaScript Feature or Syntax: None**

This benchmark does not rely on any special JavaScript features or syntax that are specific to a particular browser or version.

**Alternative Approaches**

Other approaches to sorting fuzzy dates might include:

* Using a dedicated date comparison library like ` moment.js` or `luxon`.
* Implementing a custom date comparison algorithm using bitwise operations or mathematical manipulations.
* Using machine learning algorithms to predict the intended order of dates.

These alternative approaches may offer improved performance, accuracy, or flexibility, but they also come with their own trade-offs and potential drawbacks.

Related benchmarks:

IFuzzy Sort (version: 0)

Fastest way to sort fuzzy dates

Comparing performance of: using valueOf vs not using valueOf

Created: 4 years ago by: Guest

Jump to the latest result

using valueOf

not using valueOf

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):