Benchmark: Throw error vs produce an object

Tests:

A
({ type: "ASDF", message: "Wow" });
B
new Error();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
A
B

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/130.0.0.0 Safari/537.36

Browser/OS: Chrome 130 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
A	80101256.0 Ops/sec
B	251973.0 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 JSON data and explain what's being tested, compared, and their pros and cons.

**Benchmark Definition**

The benchmark definition is a JSON object that describes two test cases:

1. `Throw error vs produce an object`: This is the main comparison being made between two approaches.
2. The script preparation code is empty (`null`), which means no custom setup or initialization code is required for the tests.
3. There's also no HTML preparation code, suggesting that any rendering-related aspects are already handled elsewhere.

**Individual Test Cases**

There are two test cases:

1. **Test Case A**: This test case defines a JavaScript object with a `type` property set to `"ASDF"` and a `message` property set to the string `"Wow"`. The purpose of this test is unclear without more context, but it might be testing the performance or behavior of an error handling mechanism.
2. **Test Case B**: This test case creates a new instance of the built-in `Error` class in JavaScript. This is likely being used as a control or baseline for comparing its performance to the first test case.

**Comparison**

The comparison between Test Cases A and B revolves around whether creating an object with a specific structure (in this case, throwing an error) is more performant than simply creating an instance of the `Error` class. The goal is to determine which approach has better performance, accuracy, or both.

**Pros and Cons**

1. **Throwing an Error**:
	* Pros:
		+ Simulates common error handling scenarios in JavaScript.
		+ May reveal issues related to error object creation or propagation.
	* Cons:
		+ Can be slower due to the overhead of creating a new object and throwing an exception.
2. **Creating an `Error` instance**:
	* Pros:
		+ Typically faster, as it only requires creating a single object reference.
		+ May be more optimized for performance by modern JavaScript engines.
	* Cons:
		+ Limited in terms of simulating error handling scenarios.

**Library and Special JS Features**

There are no external libraries used in these test cases. However, the use of the `Error` class is a built-in JavaScript feature that's been part of the language since its inception.

**Alternatives**

If you're looking for alternatives to this benchmark or want to explore other performance-related tests:

1. **Benchmarking frameworks**: Consider using popular benchmarking libraries like Benchmark.js, Benchmark.chai, or Jest's built-in `benchmark` module.
2. **JavaScript engines and compilers**: You could create benchmarks that compare the performance of different JavaScript engines (e.g., V8, SpiderMonkey) or compilers (e.g., LLVM).
3. **DOM-related tests**: If you're interested in comparing the performance of rendering different HTML structures or DOM manipulations, consider using frameworks like Puppeteer or Jest with a custom test suite.

I hope this explanation has helped you understand what's being tested and compared in the provided benchmark!

Related benchmarks:

Throw error vs produce an object (version: 0)

Comparing performance of: A vs B

Created: 3 years ago by: Guest

Jump to the latest result

A

B

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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