Benchmark: int vs string comparisonje. t

Tests:

1
const a = "1582804062513_note" const b = "1592804062513_note" const c = b == a
string compare with locale
const a = "1582804062513_note" const b = "1592804062513_note" const c = b.length == a.length

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1
string compare with locale

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser/OS: Chrome 127 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
1	102833120.0 Ops/sec
string compare with locale	115013096.0 Ops/sec

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

LLMs can make mistakes. Check important info.

I'd be happy to help explain the benchmark!

**What is being tested?**

MeasureThat.net is testing the performance of JavaScript comparisons between two strings: `a` and `b`. The tests are designed to evaluate the speed of different approaches for comparing these strings.

The first test case, "1", uses the simple comparison operator `==` to check if the lengths of `a` and `b` are equal. The second test case, "string compare with locale", uses a more complex approach by comparing the length of each string in a locale-dependent manner (i.e., taking into account cultural differences).

**Options compared**

The benchmark is testing the performance of three different approaches:

1. **Simple comparison operator `==`**: This is the most straightforward way to compare two strings. It checks if the values are exactly equal, including any whitespace or special characters.
2. **Length comparison with `===`**: Instead of using the `==` operator, this approach uses the `===` triple-equal operator to check if the lengths of both strings are equal.
3. **Locale-dependent length comparison**: This approach takes into account cultural differences in string representation, using a locale-dependent way to compare the lengths of both strings.

**Pros and cons of each approach**

* **Simple comparison operator `==`**:
	+ Pros: easy to implement, straightforward to understand.
	+ Cons: may produce unexpected results if there are whitespace or special characters involved.
* **Length comparison with `===`**:
	+ Pros: more accurate than simple comparison operator `==`, since it ignores whitespace and special characters.
	+ Cons: slightly slower due to the extra comparison step, and may not be suitable for all use cases (e.g., when comparing strings with different encodings).
* **Locale-dependent length comparison**:
	+ Pros: takes into account cultural differences in string representation, which can lead to more accurate results in certain scenarios.
	+ Cons: more complex to implement, as it requires understanding of locale-specific formatting and encoding.

**Library and special JS features**

There are no libraries explicitly mentioned in the benchmark definition. However, the `==` operator is a built-in JavaScript operator that compares two values for equality. The `===` operator is also a built-in operator that checks for both value and type equality.

The only special JS feature used in this benchmark is the locale-dependent comparison, which relies on the `Intl.LengthOfTimeFormat` API (introduced in ECMAScript 2019). This API provides methods to format time values according to specific locales, allowing for more accurate length comparisons that account for cultural differences.

**Other alternatives**

If you were to rewrite this benchmark or create a similar one, some alternative approaches you could consider include:

* Using regular expressions (regex) to compare strings
* Implementing your own custom comparison function that takes into account specific requirements (e.g., ignoring whitespace, special characters, etc.)
* Using a different data type, such as `BigInt`, for the string lengths if performance is critical.

Related benchmarks:

int vs string comparisonje. t (version: 0)

Comparing performance of: 1 vs string compare with locale

Created: one year ago by: Guest

Jump to the latest result

1

string compare with locale

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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