Benchmark: math floor - MeasureThat.net

Tests:

math.floor
var a = Math.floor(123456789.5)
~~
var a = ~~(123456789.5)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
math.floor
~~

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser/OS: Chrome 130 on Windows

View result in a separate tab

Test name	Executions per second
math.floor	7144364.0 Ops/sec
~~	97212352.0 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 JavaScript microbenchmarks on MeasureThat.net.

**What is tested?**

The provided JSON represents two individual test cases for benchmarking:

1. `math.floor`
2. `~~` (a bitwise NOT operator)

These tests measure the performance of different approaches to achieve a specific mathematical operation:

* `math.floor`: calculates the largest integer less than or equal to a given number.
* `~~`: performs a bitwise NOT operation on an integer, equivalent to `-(-n)`, where `n` is the input value.

**Options compared**

In this case, there are only two options being compared:

1. `Math.floor`
2. `~~`

The pros and cons of these approaches are as follows:

* `Math.floor`:
	+ Pros: straightforward, widely supported, and well-documented.
	+ Cons: might be slower due to the overhead of calling a built-in function.
* `~~`: (Note: this operator is specific to older JavaScript versions and is not supported in modern browsers.)
	+ Pros: often faster than `Math.floor` since it's just a bitwise operation, but less readable.
	+ Cons: not widely supported and may require explicit versioning.

**Library usage**

In the provided benchmark test case, the `~~` operator uses the Bitwise NOT operator, which is built-in to JavaScript. No external libraries are required.

However, note that in modern browsers, this operator has been deprecated and removed due to its potential for errors and compatibility issues. As such, `Math.floor` remains a safer choice for most use cases.

**Special JS feature or syntax**

There isn't any special JS feature or syntax being used in these test cases beyond the standard bitwise NOT operator (`~~`). If you're interested in exploring other features like async/await, Promises, or ES6+ syntax, I'd be happy to help with a different example!

**Other alternatives**

If you'd like to explore alternative benchmarking scenarios or approaches, here are some ideas:

* Compare the performance of string concatenation methods (e.g., `+`, `.join()`, etc.).
* Benchmark array operations (e.g., slicing, filtering, mapping, etc.).
* Test the performance of different data structures (e.g., objects, arrays, linked lists, etc.).

Feel free to ask if you have any questions or would like me to elaborate on any of these suggestions!

Related benchmarks:

math floor (version: 0)

Comparing performance of: math.floor vs ~~

Created: 4 years ago by: Guest

Jump to the latest result

math.floor

~~

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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