Benchmark: Number conversions

Tests:

Unary operator
+'1'
Number
Number('1')
parseInt
parseInt('1', 10)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Unary operator
Number
parseInt

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 27 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON and explain what is tested, compared, and other considerations.

**Benchmark Definition**: The benchmark definition is a simple JavaScript expression: `'+1'`, `Number('1')`, or `parseInt('1', 10)`. These expressions perform unary arithmetic operations (adding 1), converting a string to a number, and parsing an integer from a string with a radix of 10.

**Test Cases**: There are three test cases:

1. **Unary operator (`'+1'`)**: This expression uses the unary `+` operator to add 1 to the number 0.
2. **Number (`Number('1')`)**: This expression converts the string '1' to a number using the built-in `Number()` function.
3. **parseInt (`parseInt('1', 10)`)**: This expression parses the string '1' as an integer with a radix of 10.

**Options Compared**:

* In the unary operator case, there are no explicit options being compared, as it's a simple operation that doesn't require any input.
* For `Number()` and `parseInt()`, the main options being compared are:
	+ The number of executions per second (ExecutionsPerSecond) - This measures the performance of each test in terms of how many times the code is executed within a given time frame.
	+ The raw UA string, browser, device platform, operating system, and other metadata - These provide context about the environment in which each benchmark was run.

**Pros and Cons of Different Approaches**:

* **Unary operator (`'+1'`)**: This approach is simple and straightforward. However, it may not be representative of real-world scenarios where unary operations are used.
* **Number (`Number('1')`)**: Converting a string to a number is a common operation in JavaScript. This benchmark can provide insight into the performance of this operation.
	+ Pros: Relevant to many use cases, provides information on numeric conversion efficiency.
	+ Cons: May not accurately reflect real-world scenarios where more complex conversions are used.
* **parseInt (`parseInt('1', 10)`)**: Parsing an integer from a string is another common operation in JavaScript. This benchmark can provide insight into the performance of this operation.
	+ Pros: Relevant to many use cases, provides information on parsing efficiency with radix specification.
	+ Cons: May not accurately reflect real-world scenarios where more complex parsing is used.

**Library and Purpose**: None mentioned in the provided JSON.

**Special JS Feature or Syntax**: There are no special JavaScript features or syntax mentioned. However, note that `Number()` and `parseInt()` use a syntax specific to these built-in functions.

**Other Considerations**:

* The benchmark definition and test cases are simple and straightforward, making it easy to understand and compare the results.
* The use of metadata (e.g., browser, device platform, operating system) provides context about the environment in which each benchmark was run, allowing for more informed comparisons.
* The lack of input parameters or variables makes it simpler to execute and compare the tests.

**Alternatives**: Some possible alternative benchmarks could include:

* More complex numeric operations (e.g., arithmetic expressions with multiple numbers and operators).
* String manipulation and formatting (e.g., concatenation, substring extraction).
* Array-related operations (e.g., indexing, slicing, iteration).

These alternatives would provide a more comprehensive view of JavaScript performance under different scenarios.

Latest run results:

Run details: (Test run date: 2025 years ago)

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Browser/OS: Chrome 63 on Windows 7

View result in a separate tab

Test name	Executions per second
Unary operator	838582656.0 Ops/sec
Number	5892995.5 Ops/sec
parseInt	5762674.5 Ops/sec

Related benchmarks:

Number conversions (version: 0)

Comparing performance of: Unary operator vs Number vs parseInt

Created: 6 years ago by: Guest

Jump to the latest result

Unary operator

Number

parseInt

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 27 days ago):