Benchmark: Math.floor() vs Lodash _.floor()

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var num = 123.4567

Tests:

Math.floor()
Math.floor(num)
Lodash _.floor()
_.floor(num)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.floor()
Lodash _.floor()

Fastest: N/A

Slowest: N/A

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/139.0.0.0 Safari/537.36

Browser/OS: Chrome 139 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Math.floor()	223809360.0 Ops/sec
Lodash _.floor()	210337056.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the world of MeasureThat.net and understand what's being tested in this benchmark.

**Benchmark Definition**

The benchmark definition provides information about the test case. In this case, we have two test cases:

1. `Math.floor(num)`: This test case measures the performance of JavaScript's built-in `Math.floor()` function.
2. `_.floor(num)`: This test case measures the performance of Lodash's `_floor()` function.

**Options Compared**

The benchmark is comparing two options: JavaScript's built-in `Math.floor()` function and Lodash's `_floor()` function.

**Pros and Cons of Each Approach**

1. **JavaScript's Math.floor() Function**:
	* Pros:
		+ Built-in function, no additional dependencies required.
		+ Likely to be optimized for performance by the JavaScript engine.
	* Cons:
		+ May not provide accurate results if the input is a non-integer value.
2. **Lodash's _floor() Function**:
	* Pros:
		+ Provides more flexibility in handling non-integer inputs (e.g., `_.floor(123.4567)` returns `123`).
	* Cons:
		+ Requires an additional library dependency (Lodash.js).
		+ May introduce overhead due to the import and initialization of the Lodash library.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides various functions for tasks such as string manipulation, array operations, and mathematical functions. The `_floor()` function is part of Lodash's mathematical functions, which allows users to perform mathematical operations on numbers in a flexible and efficient way.

**JavaScript Features and Syntax (Not Applicable)**

There are no special JavaScript features or syntax used in this benchmark. Both test cases use standard JavaScript code that can be executed by any compatible JavaScript engine.

**Other Alternatives**

If the developer wants to explore alternative approaches, they could consider using other libraries or functions for floor calculations, such as:

1. `Number.prototype.floor()` (ES6+): This method provides a more concise way to calculate the floor of a number without requiring additional dependencies.
2. `Math.round(num) * 100` and `num - Math.round(num) * 0.01`: This approach uses rounding and subtraction to approximate the floor value, which can be faster than using a dedicated floor function.

However, these alternatives may not provide the same level of accuracy or flexibility as Lodash's `_floor()` function.

I hope this explanation helps software engineers understand the benchmark and make informed decisions about implementing floor calculations in their own code!

Related benchmarks:

Math.floor() vs Lodash _.floor() (version: 0)

Math.floor() vs Lodash _.floor()

Comparing performance of: Math.floor() vs Lodash _.floor()

Created: 4 years ago by: Guest

Jump to the latest result

Math.floor()

Lodash _.floor()

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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