Benchmark: length111 - MeasureThat.net

Script Preparation code:

var coiso = [];

Tests:

length
for (let i = 0; coiso.length < 10000000; i++) { coiso.push(i); }
length2
let len = coiso.length for (let i = 0; len < 10000000; i++) { coiso.push(i); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
length
length2

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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.

**Benchmark Definition**

The benchmark definition is a simple JavaScript script that creates an array `coiso` and pushes 10,000,000 elements into it using two different approaches:

1. **Approach 1: Using a for loop with a condition**
```javascript
for (let i = 0; coiso.length < 10000000; i++) {
  coiso.push(i);
}
```
This approach uses a traditional for loop to iterate over the array's length and push elements into it.

2. **Approach 2: Using a let variable with an initial value**
```javascript
let len = coiso.length;
for (let i = 0; len < 10000000; i++) {
  coiso.push(i);
}
```
This approach uses a let variable `len` to store the array's length, and then uses this value in the for loop condition.

**Options being compared**

The two approaches are being compared to measure their performance differences. The goal is to determine which approach is faster and more efficient.

**Pros and Cons of each approach:**

1. **Approach 1 ( traditional for loop )**
	* Pros:
		+ Simple and easy to understand.
		+ Can be more predictable in terms of performance.
	* Cons:
		+ May have slower performance due to the overhead of incrementing a counter variable.
2. **Approach 2 ( let variable with initial value )**
	* Pros:
		+ Can be faster due to the avoidance of incrementing a counter variable.
		+ May be more memory-efficient since it doesn't require an explicit loop counter.
	* Cons:
		+ Less intuitive and may require more understanding of JavaScript's syntax.

**Library usage**

There is no specific library being used in this benchmark, but `coiso` is an array that is created and populated with elements using the two different approaches. The `length` property of an array is also used to store its length.

**Special JS features or syntax**

The only special feature used in this benchmark is a let variable `len` which is initialized with the value of the `coiso.length` property, but not before that it's initialized as a number because let variables are not initialized unless they're declared with initialization.

Related benchmarks:

length111 (version: 0)

Comparing performance of: length vs length2

Created: 6 years ago by: Guest

Jump to the latest result

length

length2

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):