Benchmark: int vs string comparison

Tests:

int comparison
const a = 1582804062513 const b = 1592804062513 const c = b - a const d = a - b
string compare with locale
const a = "1582804062513_note" const b = "1592804062513_note" const c = a.localeCompare(b) const d = b.localeCompare(a)
string compare simple
const a = "1582804062513" const b = "1592804062513" const c = a > b const d = b < c
special case
const a = "1582804062513_note".substring(0, 13) const b = "1592804062513_note".substring(0, 13) const c = a > b const d = b < c

Historical Performance Data aggregated from 92 community runs

Desktop Results:

Chrome 71 runs

string compare simple

176.9M/s

special case

175.1M/s

int comparison

174.7M/s

string compare with locale

35.1M/s

Fastest: string compare simple (5.0x faster)

View exact numbers

✓ string compare simple: 176,925,056 ops/sec
• special case: 175,125,008 ops/sec
• int comparison: 174,662,784 ops/sec
• string compare with locale: 35,090,500 ops/sec

Firefox 10 runs

int comparison

1229.4M/s

string compare simple

1108.9M/s

special case

21.7M/s

string compare with locale

2.4M/s

Fastest: int comparison (519.2x faster)

View exact numbers

✓ int comparison: 1,229,433,344 ops/sec
• string compare simple: 1,108,936,064 ops/sec
• special case: 21,680,546 ops/sec
• string compare with locale: 2,367,838 ops/sec

Safari 5 runs

int comparison

509.2M/s

string compare with locale

51.5M/s

string compare simple

44.0M/s

special case

38.1M/s

Fastest: int comparison (13.4x faster)

View exact numbers

✓ int comparison: 509,152,416 ops/sec
• string compare with locale: 51,512,324 ops/sec
• string compare simple: 44,037,416 ops/sec
• special case: 38,067,936 ops/sec

Mobile Results:

Chrome 6 runs

string compare simple

93.5M/s

special case

92.3M/s

int comparison

89.7M/s

string compare with locale

21.8M/s

Fastest: string compare simple (4.3x faster)

View exact numbers

✓ string compare simple: 93,460,424 ops/sec
• special case: 92,250,752 ops/sec
• int comparison: 89,717,232 ops/sec
• string compare with locale: 21,764,748 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
int comparison
string compare with locale
string compare simple
special case

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 months ago)

User agent: Mozilla/5.0 (Android 10; Mobile; rv:130.0) Gecko/130.0 Firefox/130.0

Browser/OS: Firefox Mobile 130 on Android

View result in a separate tab

int comparison

374.1M/s

string compare simple

370.2M/s

special case

4.7M/s

string compare with locale

236K/s

View exact numbers

Test name	Executions per second
✓ int comparison	374,125,184 Ops/sec
string compare simple	370,241,920 Ops/sec
special case	4,653,352 Ops/sec
string compare with locale	235,631 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what's being tested, compared, and considered.

**Benchmark Overview**

The benchmark compares different approaches to perform comparisons between integers and strings in JavaScript.

**Test Cases**

There are four test cases:

1. **int comparison**: This test case uses subtraction to compare two integer values.
2. **string compare with locale**: This test case uses the `localeCompare` method to compare two string values, taking into account the locale (e.g., language and region) settings of the browser.
3. **string compare simple**: This test case simply checks if one string value is greater than another using a standard comparison operator (`>`).
4. **special case**: This test case uses the `substring` method to extract a portion of a string and then compares two string values.

**Comparison Options**

The benchmark compares three options for each type of comparison (integer and string):

1. **Subtraction** (int comparison): `const c = b - a`
2. **localeCompare** (string compare with locale): `const c = a.localeCompare(b)`
3. **Standard comparison operator** (`>` or `<`) (string compare simple): `const c = a > b` or `const d = b < c`

**Pros and Cons of Each Approach**

Here's a brief summary of the pros and cons of each approach:

* **Subtraction**:
	+ Pros: Simple, efficient, and widely supported.
	+ Cons: May not work as expected if one value is negative or zero, and may lose precision for large numbers.
* **localeCompare**:
	+ Pros: Takes into account locale settings, which can lead to more accurate results in certain cases. Also handles NaN (Not a Number) values well.
	+ Cons: Can be slower than subtraction due to the complexity of the algorithm, and some locales may not provide a good comparison.
* **Standard comparison operator**:
	+ Pros: Simple and widely supported.
	+ Cons: May not work as expected in certain cases, such as NaN or special values (e.g., `Infinity`).

**Library Used**

The `localeCompare` method is a built-in JavaScript function that uses the browser's locale settings to compare string values.

**Special Consideration**

In the **special case**, the test extracts a portion of the string using the `substring` method, which can be useful in certain situations. However, this approach may not be suitable for all use cases, especially if the extracted substring is intended to represent the same value as the original string.

**Alternatives**

Some alternative approaches that could be used instead of subtraction or `localeCompare` include:

* **parseInt**: Can be used to convert a string to an integer, but this approach may not handle all edge cases (e.g., NaN or special values).
* **Number**: Can be used to cast a string to a number, but this approach may not work as expected for non-numeric strings.
* **Specialized comparison libraries**: There are third-party libraries available that provide optimized comparison functions for specific use cases (e.g., financial or scientific comparisons).

int vs string comparison (version: 3)

Comparing performance of: `int comparison vs string compare with locale vs string compare simple vs special case`

Created: 6 years ago by: Registered User

Go to the latest result

int comparison

string compare with locale

string compare simple

special case

Historical Performance Data aggregated from 92 community runs

Desktop Results:

Chrome 71 runs

Firefox 10 runs

Safari 5 runs

Mobile Results:

Chrome 6 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

int vs string comparison (version: 3)

Comparing performance of: int comparison vs string compare with locale vs string compare simple vs special case

Created: 6 years ago by: Registered User

Go to the latest result

int comparison

string compare with locale

string compare simple

special case

Historical Performance Data aggregated from 92 community runs

Desktop Results:

Chrome 71 runs

Firefox 10 runs

Safari 5 runs

Mobile Results:

Chrome 6 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

Related benchmarks

Comparing performance of: `int comparison vs string compare with locale vs string compare simple vs special case`