Benchmark: bignumber.js vs. big.js vs. decimal.js performance instance4

HTML Preparation code:

<!--script src="https://raw.githubusercontent.com/iriscouch/bigdecimal.js/v0.6.1/lib/bigdecimal.js"></script-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/bignumber.js/9.0.1/bignumber.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/big.js/6.0.3/big.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/decimal.js/10.2.1/decimal.min.js"></script>
<!--script src="https://raw.githubusercontent.com/infusion/Fraction.js/v4.0.12/fraction.min.js"></script-->

Tests:

big.js number
var a = new Big('0.0000000000000001') var b = new Big(a)
big.js string
var a = new Big('0.0000000000000001') var b = new Big('0.0000000000000001')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
big.js number
big.js string

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):

LLMs can make mistakes. Check important info.

Let's dive into the explanation of the provided benchmark.

**Benchmark Overview**

The benchmark compares the performance of three libraries: `bignumber.js`, `big.js`, and `decimal.js`. The test cases focus on creating instances of these libraries using different approaches, namely by passing a string or number value to the constructor.

**Libraries and Their Purposes**

1. **`bignumber.js`**: This library provides support for arbitrary-precision arithmetic in JavaScript. It's designed to handle very large numbers that can't be represented exactly as floats. `bignumber.js` is commonly used when working with financial or monetary calculations where precision is crucial.
2. **`big.js`**: Similar to `bignumber.js`, `big.js` offers arbitrary-precision arithmetic capabilities. However, it's designed to work seamlessly with existing JavaScript functionality and libraries, making it a popular choice for developers who want to leverage existing ecosystem.
3. **`decimal.js`**: This library takes a more mathematical approach to handling decimal arithmetic, focusing on exact calculations rather than approximations. `decimal.js` is suitable for applications requiring precise control over decimal operations.

**Test Case Analysis**

The test cases can be categorized into two groups:

1. **String-based creation**: Both `bignumber.js` and `big.js` allow creating instances by passing a string value to the constructor. In this case, the library will perform parsing and initialization based on the provided string.
	* Pros:
		+ Easy to use, as no explicit type conversion is required.
		+ Can be more convenient when working with specific decimal formats or conventions.
	* Cons:
		+ May lead to errors if the input string is malformed or doesn't match the expected format.
		+ Might result in slower performance due to additional parsing steps.
2. **Number-based creation**: This approach creates instances by passing a numeric value directly to the constructor. In this case, no parsing is required, and the library will work with the provided number directly.

**Performance Considerations**

The performance differences between these approaches can be attributed to the following factors:

* Parsing time: When using string-based creation, the library needs to parse the input string to determine the correct handling. This can introduce additional overhead.
* Type conversion: In some cases, explicit type conversion might be necessary when creating instances with string-based creation. This can lead to slower performance compared to number-based creation.

**Special Considerations**

None mentioned in this specific benchmark.

**Alternatives and Considerations**

For high-performance applications requiring precise decimal arithmetic:

* `decimal.js` (as it provides exact calculations and control)
* `bignumber.js` (for applications requiring very large numbers)

For ease of use, seamless integration with existing libraries, and performance:

* `big.js`

When working with specific decimal formats or conventions:

* String-based creation might be more suitable

In summary, the benchmark highlights the importance of considering library-specific details when choosing an implementation for high-performance decimal arithmetic. By understanding the strengths and weaknesses of each library, developers can make informed decisions that balance ease of use, performance, and precision requirements.

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser/OS: Chrome 111 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
big.js number	1718573.2 Ops/sec
big.js string	1078193.2 Ops/sec

Related benchmarks:

bignumber.js vs. big.js vs. decimal.js performance instance4 (version: 0)

- https://github.com/MikeMcl/bignumber.js/tree/v9.0.0 - https://github.com/MikeMcl/big.js/tree/v5.2.2 - https://github.com/MikeMcl/decimal.js/tree/v10.2.0

Comparing performance of: big.js number vs big.js string

Created: 2 years ago by: Guest

Jump to the latest result

big.js number

big.js string

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):