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ext math pow vs multiply
(version: 0)
Comparing performance of:
pow vs mult
Created:
5 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var DATA = []; for (var i = 0 ; i < 100; i++) { DATA.push(Math.random() * i); }
Tests:
pow
for (var i in DATA) { var x = Math.pow(DATA[i], 2); }
mult
for (var i in DATA) { var x = DATA[i] * DATA[i]; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
pow
mult
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.1:latest
, generated one year ago):
Let's break down the benchmark test case and results. **Benchmark Definition:** The benchmark tests two different approaches to calculating the square of a value: 1. **Math.pow(DATA[i], 2)** (Test Name: "pow") 2. **DATA[i] * DATA[i]** (Test Name: "mult") These two approaches are being compared in terms of execution speed. **Pros and Cons:** The two approaches have different pros and cons: * **Math.pow(DATA[i], 2)**: * Pros: This approach is concise and easy to read. * Cons: It uses the `Math.pow()` function, which might be slower than a simple multiplication operation due to its overhead of handling floating-point arithmetic. * **DATA[i] * DATA[i]**: * Pros: This approach performs a simple multiplication operation, which is likely to be faster than using `Math.pow()`. * Cons: It repeats the same variable (`DATA[i]`) twice, which might make it slightly harder to read and understand. **Other Considerations:** * **Library usage:** There's no library used in this benchmark. * **Special JS feature or syntax:** None is being used. * **Alternative approaches:** You could also consider using other mathematical functions like `Math.square()` (if available), `x => x * x`, or even a more optimized implementation for the specific use case. **Test Case Preparation Code:** The preparation code initializes an array `DATA` with 100 random values. This is used as input for both test cases. **Latest Benchmark Results:** The results show that: * The **multiply** approach ("mult") has an execution speed of approximately 6070 executions per second. * The **Math.pow()** approach ("pow") has an execution speed of approximately 4514 executions per second. These results indicate that the **multiply** approach is significantly faster than using `Math.pow()` in this specific test case. However, keep in mind that these results are device- and browser-specific and may vary depending on the environment where the code runs.
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