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pow vs exponentiation
(version: 0)
Math.pow vs **
Comparing performance of:
Math.pow vs exponentiation vs Explicit multiply
Created:
4 years ago
by:
Guest
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Tests:
Math.pow
x = Math.pow(71,3)
exponentiation
y = 71 ** 3
Explicit multiply
z = 71 * 71 * 71
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
Explicit multiply
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
8 months ago
)
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Mobile Safari/537.36
Browser/OS:
Chrome Mobile 139 on Android
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<iframe src="https://measurethat.net/Embed?id=616244" width="100%" height="500px"></iframe>
Test name
Executions per second
Math.pow
1036348.9 Ops/sec
exponentiation
1044412.4 Ops/sec
Explicit multiply
1057353.2 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
The provided benchmark tests three different ways to calculate the result of `71^3` in JavaScript: 1. **Exponentiation (`**`)**: This is the built-in operator in JavaScript for exponentiation. It's used as `y = 71 ** 3`. Pros: Fast and efficient, directly implemented in the JavaScript engine. Cons: May not be optimized for all browsers or devices. 2. **Explicit Multiply (`* * *`)**: In this approach, we calculate the result by multiplying `71` with itself three times: `z = 71 * 71 * 71`. Pros: More readable and maintainable code, allows for easier debugging. Cons: Slower than exponentiation due to repeated multiplication. 3. **`Math.pow()` function**: The `Math.pow()` function takes two arguments: the base and the exponent. It returns the value of the expression `base ^ exponent`. In this benchmark, it's used as `x = Math.pow(71, 3)`. Pros: General-purpose function for calculating any power, can handle fractional exponents. Cons: May be slower than exponentiation due to additional overhead. The choice of approach depends on the specific use case and performance requirements. If speed is critical and readability is not a concern, using the built-in exponentiation operator (`**`) or `Math.pow()` function may be the best choice. However, if code readability and maintainability are important, using explicit multiplication with three multiplies (`* * *`) might be a better option. It's worth noting that the benchmark results show Chrome 93 on Chrome OS 14092.77.0 executing each test case at different speeds, which indicates potential browser or device-specific performance variations.
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