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math pow vs multiply - 3
(version: 0)
Comparing performance of:
pow vs mult vs exp
Created:
3 years ago
by:
Registered User
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Tests:
pow
const x = Math.pow(7500,1.5)/7400;
mult
const x = (7500*7500*7500)/(7400 * 7400)
exp
const x = (7500 ** 1.5)/7400;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
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Test case name
Result
pow
mult
exp
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Benchmark Overview** The provided benchmark measures the performance of three different mathematical operations in JavaScript: exponentiation using `Math.pow`, multiplication, and exponentiation using the exponentiation operator (`**`). The goal is to determine which approach is the fastest. **Library and Special JS Features Used** * None of the benchmark cases use a specific library. * The exponentiation operator (`**`) was introduced in ECMAScript 2016 (ES6) as a shorthand for `Math.pow()`. This feature is not available in older JavaScript versions, so it's reasonable to assume that the benchmark only runs on modern browsers. **Options Compared** The three options compared are: 1. **`Math.pow()`**: The traditional method of exponentiation using the `Math.pow()` function. 2. **Multiplication**: A manual approach to exponentiation by repeated multiplication. 3. **Exponentiation Operator (`**`)**: A shorthand for exponentiation introduced in ES6. **Pros and Cons of Each Approach** * **`Math.pow()`**: + Pros: Easy to use, well-established, and widely supported. + Cons: May be slower due to the overhead of a function call. * **Multiplication**: + Pros: Can be faster for small exponents because it avoids the overhead of a function call. However, it can become cumbersome for larger exponents. + Cons: More prone to errors and less readable than the other two options. * **Exponentiation Operator (`**`)**: + Pros: Shorthand syntax makes it easier to read and write, and it's often faster than `Math.pow()` because it avoids the overhead of a function call. + Cons: Requires support for ES6 or later. **Other Considerations** When choosing between these approaches, consider the following factors: * **Readability**: Use the exponentiation operator (`**`) when readability is important, as it's often easier to understand than `Math.pow()`. * **Performance**: If you're working with very large exponents, multiplication might be faster due to the reduced overhead of function calls. * **Browser Support**: Ensure that your target browsers support ES6 or later if you choose to use the exponentiation operator (`**`). **Alternatives** If you need to measure performance for other mathematical operations or algorithms, consider using BenchmarkThat.net's features: * Add more test cases to compare different approaches for various mathematical operations. * Use pre-built benchmarks for common algorithms like sorting, searching, or encryption. * Create custom benchmarks for your specific use case. Keep in mind that each benchmark requires its own script preparation code and HTML preparation code.
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