Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
toPrecision vs mathjs round
(version: 0)
Comparing performance of:
toPrecision vs mathjs.round
Created:
4 years ago
by:
Registered User
Jump to the latest result
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/mathjs/10.0.0/math.min.js'></script>
Script Preparation code:
var num = -6.864601706668172e-10
Tests:
toPrecision
parseFloat(num.toPrecision(8))
mathjs.round
math.round(num, 8)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
toPrecision
mathjs.round
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 benchmark JSON and explain what is being tested. **Benchmark Definition** The first part of the JSON represents the overall benchmark definition, which includes: * `Name`: The name of the benchmark, "toPrecision vs mathjs round". * `Description`: An empty string, indicating that no description is provided for this benchmark. * `Script Preparation Code`: A JavaScript code snippet that defines a variable `num` with a very small negative decimal value using scientific notation (`-6.864601706668172e-10`). * `Html Preparation Code`: A script tag that includes the Math.js library (version 10.0.0) from a CDN. **Individual Test Cases** The second part of the JSON represents two individual test cases, each with: * `Benchmark Definition`: The actual benchmark code snippet to be executed. * `Test Name`: The name assigned to each test case. In this case, we have two test cases: 1. `toPrecision` * Benchmark Definition: `parseFloat(num.toPrecision(8))` * Purpose: This test compares the performance of `parseFloat` with a precision set using `toPrecision`. 2. `mathjs.round` * Benchmark Definition: `math.round(num, 8)` * Purpose: This test compares the performance of Math.js's `round` function with a specified precision. **Options Compared** The two test cases compare two different approaches to achieving a certain level of precision in floating-point numbers: 1. Using `parseFloat` with a precision set using `toPrecision`. 2. Using Math.js's `round` function with a specified precision. **Pros and Cons** Here are some pros and cons of each approach: * **Using `parseFloat` with a precision set using `toPrecision`**: + Pros: - More flexible, as the precision can be adjusted independently. - Easier to implement, as it's based on standard JavaScript functionality. + Cons: - May not perform well for very large or very small numbers due to floating-point precision issues. * **Using Math.js's `round` function with a specified precision**: + Pros: - Optimized for performance and may be faster than using `parseFloat`. - Can handle very large or very small numbers more accurately due to specialized implementation. + Cons: - Requires an external library, which may introduce additional overhead. - May not be as flexible as using `parseFloat` with a precision set. **Library: Math.js** Math.js is a JavaScript library that provides various mathematical functions and utilities. In this benchmark, it's used to implement the `round` function, which is being compared to `parseFloat`. **Special JS Feature or Syntax (Not Applicable)** There are no special JavaScript features or syntaxes mentioned in this benchmark. **Other Alternatives** If you were to rewrite this benchmark without using Math.js, you could use other libraries like: * `decimal.js`: A library that provides decimal arithmetic operations. * `Big.js`: A library that provides arbitrary-precision arithmetic operations. Alternatively, you could implement the rounding logic yourself using standard JavaScript functionality. However, this may not be as efficient or accurate as using a specialized library like Math.js.
Related benchmarks:
Decimal rounding
decimal.js versus native precision
roundDecimal() with Math.pow vs. Unary and toPrecision()
toFixed vs mathjs round
Comments
Confirm delete:
Do you really want to delete benchmark?