Benchmark: HEY YOOasa - MeasureThat.net

Tests:

For of
var arr = [{id: 1, price: 50}, {id: 2, price: 100}]; let sum = 0; for(let product of arr) { sum += product.price; }
reduce
var arr = [{id: 1, price: 50}, {id: 2, price: 100}]; arr.reduce((acc, item) => { return acc + item.price; }, 0)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
For of
reduce

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark JSON and explain what's being tested, compared options, pros and cons, and other considerations.

**Benchmark Definition**

The benchmark definition is missing in the provided JSON. A typical benchmark definition would include information about the test case, such as the input data, expected output, or specific requirements for the test.

**Individual Test Cases**

There are two individual test cases:

1. **For of**: This test case uses a simple array with two elements and calculates the sum of their prices using a `for...of` loop.
```javascript
var arr = [{id: 1, price: 50}, {id: 2, price: 100}]; 
let sum = 0;

for(let product of arr) {
  sum += product.price;
}
```
**Comparison Options**

In this test case, the `for...of` loop is compared to a traditional `for` loop. The comparison is likely done by executing both loops and measuring their execution time.

Pros of using `for...of`:

* More concise and readable code
* Less error-prone than traditional `for` loops

Cons of using `for...of`:

* May not be as performance-efficient due to the overhead of iterating over the array elements
* Limited control over iteration variables (e.g., index)

Pros of traditional `for` loops:

* More control over iteration variables and loop behavior
* Can be more efficient in certain cases

Cons of using traditional `for` loops:

* Less concise and less readable code
* More error-prone due to the need to manually manage iteration variables

**Library Usage**

There is no explicit library usage in this test case.

**Special JS Features or Syntax**

None mentioned, but it's worth noting that `for...of` loops are a modern JavaScript feature introduced in ECMAScript 2015 (ES6).

**Other Considerations**

* The benchmark might be sensitive to the specific array implementation used by the browser. Different browsers may optimize their array implementations differently.
* The execution time measured by the benchmark might not reflect the actual performance of the code in real-world scenarios, as it's only executed under controlled conditions.

**Alternatives**

Other alternatives for testing iteration performance could include:

* Using a different data structure, such as a linked list or a custom array implementation
* Adding additional iterations or nested loops to simulate more complex logic
* Testing with different input sizes or shapes to see how the code scales
* Comparing the results of other iteration methods, such as `forEach` or `map`, against `for...of` and traditional `for` loops.

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36 Edg/93.0.961.52

Browser/OS: Chrome 93 on Windows

View result in a separate tab

Test name	Executions per second
For of	67084500.0 Ops/sec
reduce	84420920.0 Ops/sec

Related benchmarks:

HEY YOOasa (version: 0)

Comparing performance of: For of vs reduce

Created: 3 years ago by: Guest

Jump to the latest result

For of

reduce

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):