Benchmark: comparison int and string

Tests:

int
const a = 1582804062513 const b = 1582804062513 console.log(b === a)
string
const a = "1582804062513" const b = "1582804062513" console.log(b === a)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
int
string

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/605.1.15 (KHTML, like Gecko) Version/18.4 Safari/605.1.15

Browser/OS: Safari 18 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
int	1860818.0 Ops/sec
string	1934002.6 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into explaining the provided benchmark.

**Benchmark Overview**

The benchmark is designed to compare the performance of integer comparisons (int) versus string comparisons in JavaScript. The test creates two variables, `a` and `b`, which are either integers or strings with the same value, and then checks if they are equal using the `===` operator. This simple yet meaningful scenario allows us to isolate the performance differences between int and string comparisons.

**Options Compared**

Two options are being compared:

1. **Integer Comparison (int)**: When `a` and `b` are integers.
2. **String Comparison (string)**: When `a` and `b` are strings.

**Pros and Cons of Each Approach**

* **Integer Comparison (int)**:
	+ Pros:
		- Typically faster than string comparisons, as they involve a simple arithmetic operation (bitwise comparison).
		- Less memory allocation and garbage collection overhead.
	+ Cons:
		- May not cover real-world scenarios where numbers need to be compared as strings (e.g., dates or UUIDs).
* **String Comparison (string)**:
	+ Pros:
		- Suitable for comparing numbers as strings, especially when working with legacy systems or specific use cases (e.g., date formatting).
	+ Cons:
		- Generally slower than integer comparisons due to the overhead of string operations (alphabetical sorting, character indexing).

**Library and Purpose**

There is no explicit library mentioned in the benchmark definition. However, it's likely that the built-in JavaScript `===` operator is being used for both comparisons.

**Special JS Feature or Syntax**

None are explicitly mentioned in this particular benchmark. If any special features or syntax were involved (e.g., ES6 features), they would be described here.

**Other Considerations**

* **Real-world implications**: This benchmark might not accurately represent real-world scenarios where numbers need to be compared as strings.
* **Browser variations**: The results are based on a single browser version (Firefox 133). Different browsers, versions, or platforms may exhibit different performance characteristics.

**Alternatives**

If you wanted to explore alternative approaches or variations of this benchmark:

1. Compare string comparisons using Unicode characters instead of standard ASCII characters.
2. Use different comparison operators (e.g., `==`, `!=`, `===`, etc.) and analyze the performance differences.
3. Incorporate more complex data types (e.g., objects, arrays) into the comparisons to simulate real-world scenarios.
4. Experiment with different browsers or versions to assess platform-specific performance variations.

By understanding these factors, you can better interpret the benchmark results and consider the implications for your own development work.

Related benchmarks:

comparison int and string (version: 0)

Comparing performance of: int comparison vs string compare

Comparing performance of: int vs string

Created: one year ago by: Guest

Jump to the latest result

int

string

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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