Benchmark: setter/getter - MeasureThat.net

Tests:

basic
const a = 0; for (i=0; i<10; i++){ const b = a; }
deliver
const a = 0; const getA = () => a; for (i=0; i<10; i++){ const b = getA(); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
basic
deliver

Fastest: N/A

Slowest: N/A

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Autogenerated LLM Summary (model gemma2:9b, generated one year ago):

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This benchmark on MeasureThat.net compares the performance of two ways to access and use a variable in JavaScript: directly using a `const` declaration (the "basic" approach) versus using a getter function (`getA()`) to retrieve the value (the "deliver" approach).

**Basic Approach:**

* **Code:**
  ```javascript
  const a = 0;
  for (i=0; i<10; i++){
    const b = a;
  }
  ```
* This method directly assigns the value of `a` to a new variable `b` in each loop iteration.

**Deliver Approach:**

* **Code:**
  ```javascript
  const a = 0;
  const getA = () => a;
  for (i=0; i<10; i++){
    const b = getA();
  }
  ```
* This method defines a getter function `getA()` that simply returns the value of `a`. The loop then calls this function to retrieve the value, storing it in `b`.

**Pros and Cons:**

| Approach | Pros                                      | Cons                                    |
|---------|---------------------------------------------|------------------------------------------|
| **Basic** | Simpler, more concise code.             | Potential for unnecessary variable reassignment if the value of `a` is changed frequently in other parts of the program.        |
| **Deliver** |  Encapsulates access to the value of `a`. Can be useful if you want to control how `a` is accessed or potentially modify its retrieval behavior in the future.  | More complex code, potential for performance overhead due to the function call. |

**Other Considerations:**

* **Context Matters:** The performance difference between these approaches might be negligible in many cases, especially when dealing with small datasets. However, if this operation is performed millions of times within a tight loop, the overhead of the getter function could become noticeable.
* **Readability and Maintainability:** While the "basic" approach is simpler, the "deliver" approach can improve code readability and maintainability by clearly separating the logic for accessing `a` from other parts of the program.

**Alternatives:**

* **Property Accessors (Object Oriented Programming):** In JavaScript objects, you can use get/set accessors to control how properties are accessed and modified, providing a more structured approach compared to simple getter functions.

Related benchmarks:

setter/getter (version: 0)

i want to know overheads.

Comparing performance of: basic vs deliver

Created: 3 years ago by: Registered User

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basic

deliver

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model gemma2:9b, generated one year ago):