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Exponentiation Test
(version: 0)
Comparing performance of:
Math.pow vs Exponentiation vs Mult
Created:
2 years ago
by:
Guest
Go to the latest result
Script Preparation code:
var arr = [0.002, 0.1, 0.25, 0.75, 1]
Tests:
Math.pow
var x = arr.map(v => Math.pow(v, 3));
Exponentiation
var y = arr.map(v => v ** 3);
Mult
var z = arr.map(v => v * v * v);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
Math.pow
Exponentiation
Mult
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Browser/OS:
Chrome 125 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=529459" width="100%" height="500px"></iframe>
Mult
15.3M/s
Exponentiation
4.4M/s
Math.pow
1.9M/s
View exact numbers
Test name
Executions per second
✓
Mult
15,346,086 Ops/sec
Exponentiation
4,432,400 Ops/sec
Math.pow
1,919,650 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**What is being tested?** The provided JSON represents a JavaScript microbenchmarking test case on the MeasureThat.net website. The benchmark tests three different approaches to calculate the cube of numbers in an array: using `Math.pow`, using the exponentiation operator (`**`), and multiplying the number by itself three times. **Options compared:** * **Using `Math.pow`**: This method uses the built-in mathematical function `pow()` from the `Math` object. It takes two arguments, the base and the exponent, and returns the result of raising the base to the power of the exponent. * **Using the exponentiation operator (`**`)**: This is a new feature in JavaScript introduced in ECMAScript 2016 (ES7). The `**` operator allows you to raise a number to a power. In this benchmark, it's used to calculate the cube of each element in the array. * **Multiplying by itself three times**: This approach simply multiplies each number in the array by itself three times (`v * v * v`) to achieve the same result as raising it to the third power. **Pros and cons of each approach:** * **Using `Math.pow`**: + Pros: - Well-established, widely supported function. - Easy to understand and use. + Cons: - May be slower than other methods due to its overhead. * **Using the exponentiation operator (`**`)**: + Pros: - Faster execution speed compared to `Math.pow`. - More concise and expressive syntax. + Cons: - Requires support for ECMAScript 2016 (ES7) or later versions of JavaScript. - May not work in older browsers or environments that don't support this feature. * **Multiplying by itself three times**: + Pros: - Easy to implement and understand. + Cons: - Less efficient than using `Math.pow` or the exponentiation operator. **Library usage:** None of the test cases use any external libraries. **Special JS features/syntax:** The only special feature used in this benchmark is the exponentiation operator (`**`). It's a new feature introduced in ECMAScript 2016 (ES7) and allows you to raise a number to a power.
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