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ef of angle
(version: 0)
Comparing performance of:
round vs no
Created:
8 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var one = 0; var two = 0;
Tests:
round
one += Math.round(22.392);
no
two += 22.392;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
round
no
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
gemma2:9b
, generated one year ago):
This benchmark tests the performance of two different approaches to calculating a sum involving floating-point numbers in JavaScript: **Option 1: Using `Math.round()`** * Benchmark Definition: `one += Math.round(22.392);` * This approach rounds the floating-point number `22.392` to the nearest whole number before adding it to the variable `one`. **Option 2: Direct Addition without Rounding** * Benchmark Definition: `two += 22.392;` * This approach simply adds the floating-point number `22.392` directly to the variable `two` without any rounding operation. **Pros and Cons:** * **Math.round()**: * **Pro**: Might produce more predictable results if you need whole numbers as output (e.g., counting objects). * **Con**: Introduces an extra step of rounding, which can potentially add a small performance overhead. * **Direct Addition**: * **Pro**: More direct and potentially faster since it avoids the rounding operation. * **Con**: Results will always be floating-point numbers, which might not be suitable if you need whole numbers for certain calculations. **Other Considerations:** * **Real-World Usage:** The performance difference between these two approaches is likely to be very small in most practical scenarios. The choice often depends on whether precise decimal values are needed or if rounding is acceptable. * **Compiler Optimizations:** Modern JavaScript engines are highly optimized and might eliminate the performance difference entirely through compiler optimizations. Let me know if you have any more questions about this benchmark or want to explore other aspects of JavaScript performance testing!
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