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Function Call vs Inline 1
(version: 3)
Comparing performance of:
Function Call vs Inline Call
Created:
6 years ago
by:
Registered User
Go to the latest result
Script Preparation code:
var a = 10; function add(x){ return x + a; }
Tests:
Function Call
let x =0; for(let i = 0 ; i < 100000; i++){ x += add(i); }
Inline Call
let x = 0; for(let i = 0 ; i < 100000; i++){ x += i + a; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Function Call
Inline Call
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/122.0.0.0 Safari/537.36 Edg/122.0.0.0
Browser/OS:
Chrome 122 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=514917" width="100%" height="500px"></iframe>
Inline Call
153/s
Function Call
77/s
View exact numbers
Test name
Executions per second
✓
Inline Call
153 Ops/sec
Function Call
77 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks. **Benchmark Definition** The provided JSON represents a benchmark definition for two test cases: `Function Call` and `Inline Call`. The script preparation code includes a variable `a` with value 10, which is used within the function `add(x)`. The function takes an input `x`, adds it to `a`, and returns the result. **Test Case Options** The two test cases differ in how the expression `add(i)` or `i + a` is evaluated: 1. **Function Call**: In this case, `add(i)` is called as a separate function execution, which means that each iteration of the loop will call the `add` function with a different argument (`i`). This approach can lead to more overhead due to the function call. 2. **Inline Call**: In this case, the expression `i + a` is evaluated directly without calling the `add` function. This approach avoids the overhead of a separate function call. **Pros and Cons** * **Function Call**: * Pros: Can be more readable and maintainable, as the function name clearly indicates what operation will be performed. * Cons: May incur additional overhead due to the function call, which can negatively impact performance. * **Inline Call**: * Pros: Can result in better performance, as the expression is evaluated directly without incuring additional overhead. * Cons: The code may become less readable and maintainable if not done carefully, especially for complex expressions. **Library Usage** In both test cases, a variable `a` is used. This suggests that the `a` variable represents a constant value used within the function or expression. However, without more context, it's difficult to determine whether this is an actual library usage or simply a predefined variable. **Special JS Feature/Syntax** There are no special JavaScript features or syntaxes mentioned in the provided code snippets. The code appears to be standard ECMAScript 5/6 syntax. **Other Alternatives** If you were to create similar benchmarks, you might consider alternative approaches, such as: * Using a different data structure, like an array or object, instead of a loop. * Employing parallel processing techniques to execute multiple iterations concurrently. * Comparing the performance of different JavaScript engines or versions. Keep in mind that the specific approach and test cases will depend on your goals and requirements. Measuring function call vs inline call is useful for understanding how this optimization can impact execution speed.
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