Benchmark: Long vs number - MeasureThat.net

HTML Preparation code:

<script src='https://cdn.jsdelivr.net/npm/long/umd/index.js'></script>

Script Preparation code:

var long1 = new Long(100000)
var long2 = new Long(50)
var number1 = 1000000
var number2 = 50

Tests:

Number
a = number1 b = number2 c = a - b c = a % b c = a * b c = a + b
Long
a = long1 b = long2 c = a.sub(b) c = a.modulo(b) c = a.multiply(b) c = a.add(b)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Number
Long

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

I'll break down the benchmark and its components, explaining what's being tested and the pros/cons of each approach.

**Benchmark Definition:**

The benchmark is designed to compare the performance of JavaScript operations involving numbers versus large integers (Long). The two test cases are:

1. **Number:** This test case involves arithmetic operations with standard JavaScript numbers (`number1` and `number2`). The benchmark measures the execution time of these operations:
	* Subtraction (`a - b`)
	* Modulo (`a % b`)
	* Multiplication (`a * b`)
	* Addition (`a + b`)

2. **Long:** This test case involves the same arithmetic operations, but with large integers represented by the Long library.

**Options Compared:**

The benchmark compares the performance of:

1. Standard JavaScript numbers (numbers)
2. Large integers using the Long library

**Pros and Cons:**

* **Standard JavaScript Numbers (Numbers):**
	+ Pros:
		- Easy to use and understand
		- Built-in support for arithmetic operations
	+ Cons:
		- Potential for precision issues with very large numbers due to floating-point representation limitations
		- May not be optimized for performance, especially in extreme cases
* **Large Integers using Long Library:**
	+ Pros:
		- Precise and reliable results for extremely large numbers
		- Optimized for performance, as it uses specialized libraries designed for high-performance arithmetic operations
	+ Cons:
		- More complex to use, as it requires importing and using a separate library
		- May require more memory due to the overhead of managing large integers

**Long Library:**

The Long library is used in the Long test case. It provides support for arbitrary-precision arithmetic, allowing you to work with extremely large integers without worrying about precision issues or overflow. The library includes methods for basic arithmetic operations (e.g., `sub`, `modulo`, `multiply`, and `add`).

**Special JavaScript Feature/Syntax:**

None of the test cases use any special JavaScript features or syntax beyond standard arithmetic operations.

**Other Alternatives:**

If you're working with very large numbers, other alternatives to Long might be:

* **BigInt:** Introduced in ECMAScript 2020, BigInt provides support for arbitrary-precision integers. It's part of the standard library and can be used with standard JavaScript functions.
* **Libraries like Big.js or Decimal.js:** These libraries provide similar functionality to Long but might offer additional features or optimizations.

Keep in mind that each alternative has its own strengths and weaknesses, and the choice ultimately depends on your specific use case and requirements.

Related benchmarks:

Long vs number (version: 0)

Comparing performance of: Number vs Long

Created: 3 years ago by: Guest

Jump to the latest result

Number

Long

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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