Benchmark: String to int vs int to string 2

Script Preparation code:

var num = 42;
var stringNum = '42';

Tests:

String To Int
var result = Number(stringNum);
Number to String
var result = num.toString();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
String To Int
Number to String

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's break down the provided JSON and explain what's being tested.

**Benchmark Definition**

The benchmark definition is a simple script that prepares the test environment by defining two variables: `num` (an integer) and `stringNum` (a string representing the same integer). The purpose of this script is to create a consistent starting point for the tests.

**Test Cases**

There are two individual test cases:

1. **String To Int**: This test case uses the JavaScript built-in function `Number()` to convert a string (`stringNum`) into an integer (`result`). The goal here is to measure how fast this conversion happens.
2. **Number to String**: This test case takes an integer (`num`) and converts it into a string using the `toString()` method, resulting in the same string that was used for the previous test case.

**Options Compared**

The two approaches being compared are:

1. Using `Number()` to convert a string into an integer.
2. Converting an integer into a string using the `toString()` method.

**Pros and Cons of Each Approach**

1. **Using `Number()`**:
	* Pros: Quick and efficient, as it's a built-in function that can handle most cases without any additional processing.
	* Cons: Can be slower for certain edge cases (e.g., non-numeric strings) or when dealing with very large integers.
2. **Converting an integer to a string**:
	* Pros: More predictable and controlled, as it allows the developer to decide how to format the output.
	* Cons: Generally slower than using `Number()`, especially for larger numbers.

**Library and Purpose**

None of the test cases use any external libraries.

**Special JS Features or Syntax (None)**

There are no special JavaScript features or syntax used in these test cases. They're simple, straightforward examples that focus on measuring the performance difference between two conversion methods.

**Alternatives**

Other alternatives for benchmarking string-to-int and int-to-string conversions might include:

* Using a library like `Intl.NumberFormat` to handle internationalization and formatting.
* Implementing custom parsing logic using regular expressions or other techniques.
* Measuring performance using different data types, such as floating-point numbers or BigInts.

Keep in mind that the choice of alternative will depend on the specific requirements and goals of the benchmark.

Related benchmarks:

String to int vs int to string 2 (version: 0)

Comparing performance of: String To Int vs Number to String

Created: 4 years ago by: Guest

Jump to the latest result

String To Int

Number to String

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):