Benchmark: ehandling-fail - MeasureThat.net

Tests:

basic
function test() { if(Math.random() < 0) throw 0; } async function main() { try{ test(); }catch(e){ } } main()
old
async function test() { if(Math.random() < 0) throw 0; } async function main() { try{ await test(); }catch(e){ } } main()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
basic
old

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Measuring JavaScript performance is a complex task, and the provided benchmark uses a simple yet effective approach to test specific scenarios. I'll break down what's being tested, compared, and their pros and cons.

**What's being tested:**

The benchmark tests two different approaches for handling errors in asynchronous code:

1. **Basic**: The first test case (`"basic"`), which throws an error using `Math.random() < 0`, is expected to fail because the condition will never be true. However, the test is intended to measure how fast the JavaScript engine can detect and handle this error.
2. **Old** (formerly `async/await`): The second test case (`"old"`), which uses `async/await` syntax, also throws an error using `Math.random() < 0`. This test checks how the JavaScript engine handles errors in asynchronous code with `async/await`.

**Comparison:**

The benchmark compares the performance of these two approaches:

* **Basic**: Throws a synchronous error using `throw`.
* **Old (Async/Await)**: Throws an asynchronous error by not awaiting it.

**Pros and Cons:**

1. **Basic**:
	* Pros:
		+ Simple to implement and understand.
		+ Can be used as a baseline for comparing other error handling approaches.
	* Cons:
		+ May not accurately reflect real-world error handling scenarios, where errors are often asynchronous.
2. **Old (Async/Await)**:
	* Pros:
		+ More realistic representation of modern JavaScript error handling.
		+ Can help evaluate the performance of async/await syntax.
	* Cons:
		+ May require more complex code and setup for benchmarking.

**Library Usage:**

There is no specific library being used in these test cases. The `Math.random()` function is a built-in JavaScript function, and the `async` and `await` keywords are part of the ECMAScript standard.

**Special JS Features/Syntax:**

The `async/await` syntax is a relatively recent feature introduced in ECMAScript 2017 (ES2017). It's used to write asynchronous code that looks and feels like synchronous code. The benchmark tests how well this syntax performs compared to the basic approach.

**Other Alternatives:**

If you want to add more test cases or explore alternative error handling approaches, consider these options:

* **Try-Catch Blocks**: Use a traditional `try-catch` block with synchronous errors (e.g., `throw new Error()`).
* **Async/Await with Promises**: Modify the `Old` test case to use promises instead of async/await.
* **Error Handling in Real-World Scenarios**: Introduce more complex error handling scenarios, such as errors that propagate through asynchronous code or errors that require retry logic.

Keep in mind that these alternative approaches may change the benchmark's focus and performance characteristics.

Related benchmarks:

ehandling-fail (version: 0)

Comparing performance of: basic vs old

Created: 2 years ago by: Guest

Jump to the latest result

basic

old

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):