Benchmark: dfgdffghfgh - MeasureThat.net

Tests:

dfg
var ranges = [ { divider: 1e18 , suffix: 'P' }, { divider: 1e15 , suffix: 'E' }, { divider: 1e12 , suffix: 'T' }, { divider: 1e9 , suffix: 'G' }, { divider: 1e6 , suffix: 'M' }, { divider: 1e3 , suffix: 'k' } ]; function formatNumber(n) { for (var i = 0; i < ranges.length; i++) { if (n >= ranges[i].divider) { return (n / ranges[i].divider).toFixed(2).toString() + ranges[i].suffix; } } return n.toString(); } console.log(formatNumber(1000.99));
sdf
function nFormatter(num) { var si = [ { value: 1E18, symbol: "E" }, { value: 1E15, symbol: "P" }, { value: 1E12, symbol: "T" }, { value: 1E9, symbol: "G" }, { value: 1E6, symbol: "M" }, { value: 1E3, symbol: "k" } ], rx = /\.0+$|(\.[0-9]*[1-9])0+$/, i; for (i = 0; i < si.length; i++) { if (num >= si[i].value) { return (num / si[i].value).toFixed(2).replace(rx, "$1") + si[i].symbol; } } return num.toFixed(digits).replace(rx, "$1"); } console.log(nFormatter(1000.99));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
dfg
sdf

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 27 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what is tested, compared, and other considerations.

**Benchmark Overview**

MeasureThat.net is a website where users can create and run JavaScript microbenchmarks. The provided benchmark consists of two test cases: `dfg` and `sdf`. These tests measure the performance of two different implementations of a number formatting function in JavaScript.

**Script Preparation Code**

The script preparation code for both tests is empty, which means that the tests are purely based on the JavaScript implementation itself.

**Test Cases**

There are two test cases:

1. **`dfg`**: This test case uses a simple function named `formatNumber(n)` that takes an input number `n` and returns its formatted version. The formatting logic is implemented using a loop that checks for predefined ranges (e.g., 10^18, 10^15, etc.) and applies the corresponding suffix (e.g., 'P', 'E', etc.). If no range matches, the original value is returned.
2. **`sdf`**: This test case uses another function named `nFormatter(num)` that takes an input number `num` and returns its formatted version. The formatting logic is implemented using a loop that checks for predefined ranges (e.g., 10^18, 10^15, etc.) and applies the corresponding symbol (e.g., 'E', 'P', etc.). The function also uses regular expressions to format numbers with two decimal places.

**Comparison**

Both tests compare the performance of the two formatting functions (`formatNumber(n)` and `nFormatter(num)`) in different browsers and environments. However, there are some differences in how the ranges are defined and the suffix/symbol is applied:

* **`dfg`**: Uses a fixed loop with predefined ranges and applies the corresponding suffix.
* **`sdf`**: Uses a more complex regular expression-based approach to format numbers with two decimal places.

**Pros and Cons**

Here's a brief pros and cons analysis for each approach:

1. **`dfg`**:
	* Pros: Simple, straightforward implementation; easy to understand and maintain.
	* Cons: May not be as efficient or scalable as the `sdf` approach, especially for large input values.
2. **`sdf`**:
	* Pros: More flexible and robust formatting logic; can handle numbers with arbitrary decimal places.
	* Cons: More complex implementation; may require additional maintenance and optimization efforts.

**Library**

Neither of the provided test cases uses any external libraries or dependencies. The formatting functions are standalone implementations written in plain JavaScript.

**Special JS Feature or Syntax**

There is no special JavaScript feature or syntax used in these tests, other than regular expressions (used in `sdf`). Regular expressions are a standard part of JavaScript and are not specific to any particular browser or environment.

**Alternatives**

If you're looking for alternative number formatting libraries or approaches, here are some options:

* **Moment.js**: A popular JavaScript library for date and time formatting.
* **Intl.NumberFormat API**: A built-in JavaScript API for formatting numbers in different locales and styles.
* **Number Formatter libraries**: There are several third-party libraries available that specialize in number formatting, such as `number-formatter` or `format-number`.

Keep in mind that the choice of library or approach depends on your specific requirements, performance constraints, and personal preferences.

Latest run results:

Run details: (Test run date: 7 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36

Browser/OS: Chrome 61 on Windows

View result in a separate tab

Test name	Executions per second
dfg	69023.1 Ops/sec
sdf	56212.0 Ops/sec

Related benchmarks:

dfgdffghfgh (version: 0)

Comparing performance of: dfg vs sdf

Created: 7 years ago by: Guest

Jump to the latest result

dfg

sdf

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 27 days ago):