Benchmark: Array.from - MeasureThat.net

Tests:

Array.from(10)
Array.from(10)
Array.from(100)
Array.from(100)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array.from(10)
Array.from(100)

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36

Browser/OS: Chrome 90 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Array.from(10)	4589967.5 Ops/sec
Array.from(100)	4704394.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data and explain what is being tested, compared, and analyzed.

**Benchmark Definition**

The benchmark definition is a simple JavaScript statement that creates an array using the `Array.from()` function: `"Array.from(10)"` or `"Array.from(100)"`. This benchmark tests the performance of the `Array.from()` method in creating an array from an iterable source (in this case, a number).

**Options Compared**

Two different options are compared:

1. Creating an array with `Array.from(10)` vs. `Array.from(100)`

The main difference between these two options is the size of the array being created. The smaller array has only 10 elements, while the larger array has 100 elements.

**Pros and Cons**

- **Creating an array with a small number of elements (e.g., 10)**:
	+ Pros: This test case may be more representative of real-world scenarios where arrays are used to store small amounts of data.
	+ Cons: The performance impact of creating such a small array might not be significant, and the test might not accurately reflect the performance characteristics of `Array.from()`.
- **Creating an array with a large number of elements (e.g., 100)**:
	+ Pros: This test case can provide more insight into the performance of `Array.from()` when dealing with larger datasets.
	+ Cons: The larger array size may not be representative of typical use cases, and the test might focus on optimization for very large arrays rather than real-world scenarios.

**Library**

In this benchmark, there is no explicit library mentioned. However, it's worth noting that `Array.from()` is a built-in JavaScript method that creates an array from an iterable source.

**Special JS Feature or Syntax**

There are no special JS features or syntaxes used in this benchmark. The code is simple and straightforward, making it easy to understand for developers with varying levels of experience.

**Alternative Approaches**

Other alternatives to measure the performance of `Array.from()` could include:

* Using a different array creation method, such as `new Array(size)` or an array literal `[size]`.
* Comparing the performance of `Array.from()` against other JavaScript methods that create arrays, such as `Array(new Number(size))` or `[size].map(Number)`.
* Using larger or smaller arrays to test the performance characteristics of `Array.from()` in different scenarios.
* Adding additional factors, such as sorting or filtering, to simulate real-world use cases.

Overall, the provided benchmark provides a good starting point for measuring the performance of `Array.from()`, but it may not cover all possible scenarios or edge cases.

Related benchmarks:

Array.from (version: 0)

Comparing performance of: Array.from(10) vs Array.from(100)

Created: 3 years ago by: Guest

Jump to the latest result

Array.from(10)

Array.from(100)

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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