Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
BigInt to nu
(version: 0)
Comparing performance of:
bigInt1 to Number vs bigInt2 to Number vs bigInt divide and to number
Created:
3 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
var bigInt1 = 1000000n var bigInt2 = 50n
Script Preparation code:
var bigInt1 = 1000000n var bigInt2 = 50n
Tests:
bigInt1 to Number
var number = Number(bigInt1)
bigInt2 to Number
var number = Number(bigInt2)
bigInt divide and to number
var number = Number(bigInt1 / 1000n)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
bigInt1 to Number
bigInt2 to Number
bigInt divide and to number
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
This benchmark does not have any results yet. Be the first one
to run it!
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmarking setup. **What is tested?** The benchmark tests various ways of converting `BigInt` numbers to JavaScript numbers using the `Number()` function or arithmetic operations (division). **Options compared:** There are three test cases: 1. **Direct conversion**: `var number = Number(bigInt1)`, where a `BigInt` value is directly converted to a regular JavaScript number. 2. **Division and then conversion**: `var number = Number(bigInt1 / 1000n)`, where the `BigInt` value is first divided by a smaller `BigInt` (in this case, `1000n`) and then converted to a regular JavaScript number. **Pros and cons of each approach:** * **Direct conversion**: + Pros: Simple and straightforward. + Cons: May lose precision due to the way JavaScript handles floating-point arithmetic, which can lead to rounding errors or unexpected results. * **Division and then conversion**: + Pros: Can help mitigate some issues with direct conversion (e.g., avoiding precision loss), but may introduce additional overhead due to division. + Cons: Requires an intermediate step, which might be overkill for simple conversions. **Library used:** In this benchmark, there is no explicit library mentioned. However, it's worth noting that `BigInt` support was introduced in ECMAScript 2020 (ES2020), so any JavaScript engine or runtime must support at least ES2020 to execute these benchmarks. **Special JS feature or syntax:** The benchmark leverages the new `BigInt` type and operators introduced in ES2020. Specifically, it uses: * `n` suffix for `BigInt` literals (e.g., `1000000n`) * ` BigInt()` function is not explicitly used; instead, the `n` suffix is used to denote a `BigInt` value * Division between two `BigInt` values using `/` **Other alternatives:** If you need to benchmark similar conversions without using `BigInt`, you could test: * Direct conversion using regular JavaScript numbers (`var number = 1000000`) * Conversion with arbitrary-precision arithmetic libraries (e.g., `decimal.js` or `mpmath.js`)
Related benchmarks:
JS BigInt multiply vs addition
JS BigInt big number performance vx
JS BigInt big number performance vx4
JS BigInt big number performance v4
Comments
Confirm delete:
Do you really want to delete benchmark?