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square vs sqrt
(version: 0)
Square vs square root
Comparing performance of:
pow(1024,2) === 1048576 vs 1048576 === 1024**2 vs Math.sqrt(1048576) === 1024
Created:
2 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
1048576 === 1024**2
Script Preparation code:
Math.sqrt(1048576) === 1024
Tests:
pow(1024,2) === 1048576
true
1048576 === 1024**2
true
Math.sqrt(1048576) === 1024
true
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
pow(1024,2) === 1048576
1048576 === 1024**2
Math.sqrt(1048576) === 1024
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down what's being tested in the provided benchmark. **Benchmark Definition** The benchmark is comparing three approaches to calculate the square of a number: using the `Math.sqrt()` function with exponentiation (`Math.pow()`) and the manual calculation of squaring a number (`a ** 2`). **Options Compared** 1. **Manual Calculation**: Using the exponentiation operator (`**`) to calculate the square of a number. * Pros: Simple, efficient, and widely supported by JavaScript engines. * Cons: May not be as readable or maintainable as other approaches. 2. **Math.sqrt() with Exponentiation**: Using `Math.sqrt()` in combination with `Math.pow()` to calculate the square of a number. * Pros: Provides a clear understanding of the mathematical operation being performed, which can make code more readable and maintainable. * Cons: May be slower due to the additional function call. 3. **Manual Squaring**: Using simple arithmetic to calculate the square of a number (e.g., `a * a`). * Pros: Fast, lightweight, and easy to understand. * Cons: May not be as readable or maintainable as other approaches. **Other Considerations** * The benchmark focuses on comparing these three approaches for a specific use case (calculating the square of a number), which helps identify the most efficient method for this particular task. **Library Usage** None of the test cases uses any external libraries. The calculations are performed using built-in JavaScript functions or simple arithmetic operations. **Special JS Features/Syntax** There is no special JavaScript feature or syntax being tested in these benchmark cases. They focus on comparing different approaches to a straightforward calculation. **Alternatives** If you were to modify this benchmark to test other approaches, some alternatives could be: * Using `Math.log()` and exponentiation to calculate the square root of a number. * Implementing a custom squaring function using bitwise operations (e.g., shifting and masking). * Comparing the performance of these methods with different data sizes or distributions. However, for calculating the square of a single number like 1024, the manual calculation (`a ** 2`) is likely to be the most efficient approach.
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Math.pow(x,2) vs Math.sqrt(x)
pow2 vs sqrt
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