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pow 0.5 vs sqrt
(version: 0)
pow 0.5 vs sqrt
Comparing performance of:
Pow vs Sqrt
Created:
5 years ago
by:
Guest
Go to the latest result
Tests:
Pow
var x = Math.pow(377.1671371459961, 0.5)
Sqrt
var y = Math.sqrt(377.1671371459961)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Pow
Sqrt
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
8 months ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36
Browser/OS:
Chrome 141 on Mac OS X 10.15.7
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<iframe src="https://measurethat.net/Embed?id=621040" width="100%" height="500px"></iframe>
Pow
125.6M/s
Sqrt
117.5M/s
View exact numbers
Test name
Executions per second
✓
Pow
125,638,936 Ops/sec
Sqrt
117,454,032 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to help you understand the JavaScript microbenchmark on MeasureThat.net. **What is tested?** The benchmark measures the performance of two different methods for calculating the square root of a number: `Math.pow` (with exponent 0.5) and `Math.sqrt`. The test case uses the `Math` object, which is a built-in library in JavaScript that provides mathematical functions. **Options compared** Two options are compared: 1. **Math.pow**: This method calculates the power of a number using the `pow` function. In this case, it's used to calculate `x = Math.pow(377.1671371459961, 0.5)`. 2. **Math.sqrt**: This method directly calculates the square root of a number. **Pros and cons** Both methods have their advantages and disadvantages: * **Math.pow**: + Pros: More flexible, can be used to calculate any power, not just square roots. + Cons: May be slower than `Math.sqrt` due to the overhead of calculating the power. * **Math.sqrt**: + Pros: Faster, more straightforward, and specifically optimized for square root calculations. + Cons: Only calculates square roots; cannot be used for other powers. In general, if you need to calculate a square root, using `Math.sqrt` is likely to be faster. However, if you need to calculate any power, using `Math.pow` might be more convenient. **Library and purpose** The `Math` object is a built-in library in JavaScript that provides mathematical functions for various operations, including exponentiation, roots, trigonometry, and more. **Special JS feature or syntax** There are no special features or syntaxes mentioned in this benchmark. The code uses standard JavaScript syntax and doesn't rely on any advanced features like ES6 modules or arrow functions. **Other alternatives** If you need to calculate square roots or powers in JavaScript, other methods you might use include: * Using a library like `lodash` or `mathjs`, which provide optimized mathematical functions. * Implementing your own recursive or iterative algorithms for calculating square roots and powers. * Using a different programming language that supports mathematical operations out of the box. Keep in mind that the choice of method depends on the specific requirements of your project, including performance considerations, readability, and maintainability.
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