Benchmark: number ass testing

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:

parseint all number
var a = 9999; var b = 9999; (parseInt(a) + parseInt(b)).toString()
parseint all string
var a = '9999'; var b = '9999'; (parseInt(a) + parseInt(b)).toString()
native
var a = 9999; var b = 9999; (a+b).toString()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
parseint all number
parseint all string
native

Fastest: N/A

Slowest: N/A

Latest run results:

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

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I'll break down what's being tested in this benchmark and explain the options compared, pros, cons, and other considerations.

**What is being tested?**

The benchmark tests how fast JavaScript engines can evaluate arithmetic expressions involving integers and strings. The goal is to compare the performance of different libraries and implementations when dealing with these types of operations.

**Options compared:**

1. **Native**: This option uses only native JavaScript functions, without any additional libraries or modifications.
2. **parseInt all number**: This option uses `parseInt` on numeric literals (`9999`) and then concatenates and converts the result to a string using `toString()`.
3. **parseint all string**: Similar to the previous one, but uses `parseInt` on string literals (`'9999'`) instead of numeric literals.

**Pros and Cons:**

1. **Native**:
	* Pros: No additional libraries or modifications are required.
	* Cons: May be slower due to the overhead of parsing and converting integers to strings.
2. **parseInt all number**:
	* Pros: Can take advantage of optimized `parseInt` implementations in JavaScript engines.
	* Cons: Requires careful handling of numeric literals, which can lead to errors if not done correctly.
3. **parseint all string**:
	* Pros: Allows for testing of error cases (e.g., invalid input) that may be handled differently by JavaScript engines.
	* Cons: Can result in slower performance due to the additional parsing and conversion steps.

**Libraries and their purpose:**

1. **Bignumber.js**: A library designed for high-precision arithmetic operations, providing features like arbitrary-precision integers and rational numbers.
2. **Big.js**: Another library for high-precision arithmetic, focusing on large integer operations.
3. **Decimal.js**: A library focused on precise decimal calculations, ideal for financial or monetary applications.

**Special JavaScript feature or syntax:**

There's no explicit mention of any special features or syntax in the benchmark definition. However, it's worth noting that using `parseInt` on string literals can lead to unexpected results if not handled correctly, as it assumes the input is a numeric string.

**Other considerations:**

1. **Hardware and platform differences**: The benchmark results may vary depending on the specific hardware and operating system used.
2. **JavaScript engine variations**: Different JavaScript engines (e.g., V8 in Chrome, SpiderMonkey in Firefox) might optimize or implement arithmetic expressions differently.
3. **Library-specific optimizations**: Each library has its own optimization strategies, which can impact performance.

**Alternatives:**

If you want to explore alternative benchmarks or libraries for high-precision arithmetic operations, consider:

1. **BigInt.js**: A proposal for native support of arbitrarily-precise integers in JavaScript.
2. **Rational.js**: Another library for rational number arithmetic.
3. **Mathjs**: A library that provides a high-level API for mathematical operations, including precision control.

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

Related benchmarks:

number ass testing (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: parseint all number vs parseint all string vs native

Created: 4 years ago by: Guest

Jump to the latest result

parseint all number

parseint all string

native

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):