Benchmark: Lodash ceil vs JS native Math.ceil (2022)

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>

Script Preparation code:

function getRandomInt(max) {
  return Math.floor(Math.random() * Math.floor(max));
}

var arr = [];
for(var i = 0; i < 1000; i++){
  arr.push({value:getRandomInt(100)});
}

Tests:

Math.ceil
Math.ceil(arr)
Lodash ceil
_.ceil(arr)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.ceil
Lodash ceil

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

Let's break down what is tested in the provided JSON benchmark.

**What is being tested:**

The benchmark is comparing two approaches to calculate the ceiling of an array of random integers:

1. **JavaScript native `Math.ceil()`**: This function returns the smallest integer greater than or equal to a given number.
2. **Lodash's `_ceil()` function**: Lodash is a popular JavaScript utility library that provides various functions for common tasks, including mathematical operations like rounding.

**Options compared:**

The benchmark compares two options:

1. Using the built-in `Math.ceil()` function in JavaScript
2. Using the `_ceil()` function from the Lodash library

**Pros and Cons of each approach:**

* **JavaScript native `Math.ceil()`:**
	+ Pros:
		- Built into the JavaScript standard library, so it's widely supported and optimized.
		- Simple to use and understand.
	+ Cons:
		- May not be as efficient or accurate for very large arrays or complex calculations.
		- May have different behavior in certain edge cases (e.g., handling NaN or Infinity values).
* **Lodash's `_ceil()` function:**
	+ Pros:
		- Part of a larger utility library, which can provide additional benefits like caching and memoization.
		- Can be more efficient for certain use cases due to Lodash's optimizations and caching mechanisms.
	+ Cons:
		- Requires importing an external library, which may add overhead or dependencies.
		- May not be as well-understood or optimized as the native `Math.ceil()` function.

**Other considerations:**

* **Benchmarking libraries:** The benchmark uses a custom JavaScript script to generate random arrays and test the functions. However, it's worth noting that using a dedicated benchmarking library like Benchmark.js or Microbenchmark can provide more features, flexibility, and accuracy in measuring performance.
* **JavaScript version and platform:** The benchmark results are specific to Chrome 122 on Mac OS X 10.15.7, which may not be representative of other browsers, versions, or platforms.

**Library usage:**

The Lodash library is used for the `_ceil()` function, which provides a convenient and optimized implementation of ceiling rounding.

**Special JS features or syntax:**

There are no special JavaScript features or syntax mentioned in this benchmark. The focus is on comparing two straightforward operations: calculating the ceiling of an array using built-in functions versus a third-party library.

Latest run results:

Run details: (Test run date: 8 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Browser/OS: Chrome 122 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Math.ceil	53839.0 Ops/sec
Lodash ceil	53102.1 Ops/sec

Related benchmarks:

Lodash ceil vs JS native Math.ceil (2022) (version: 2)

Comparing performance of: Math.ceil vs Lodash ceil

Created: 2 years ago by: Registered User

Jump to the latest result

Math.ceil

Lodash ceil

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):