Benchmark: (If + While) vs (Mod + one If)

Script Preparation code:

function Linha_Base_Canais() {
    let PrecoAtual = Math.random() * 50000;
    let LinhaMarcacao = 3;
    if (PrecoAtual > LinhaMarcacao) {
        while (PrecoAtual > LinhaMarcacao) {

            LinhaMarcacao = LinhaMarcacao + 20;
        }

        return LinhaMarcacao;
    } else
    if (PrecoAtual < LinhaMarcacao) {
        while (PrecoAtual < LinhaMarcacao) {

            LinhaMarcacao = LinhaMarcacao - 20;
        }

        LinhaMarcacao = LinhaMarcacao + 20;

        return LinhaMarcacao;
    } else {
        LinhaMarcacao = PrecoAtual;
    }
    return LinhaMarcacao;
}

function LinhaMarcacao2() {
    let PrecoAtual = Math.random() * 50000;
    let V0 = PrecoAtual - 20;
    let V1 = V0 % 20;
    let V2 = (V0 - V1) / 20;
    let LinhaMarcacao2 = (V2 * 20) + 3;
    if (LinhaMarcacao2 < PrecoAtual) {
        return LinhaMarcacao2 + 20;
    }
    return LinhaMarcacao2;

}

Tests:

Mod
LinhaMarcacao2()
If + while
Linha_Base_Canais()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Mod
If + while

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the benchmark and its options.

**Benchmark Definition**

The provided JSON represents a JavaScript microbenchmark, specifically comparing two approaches: `(If + While)` and `(Mod + one If)`. The benchmark is defined by the `Name` field in the top-level JSON object:

```json
"Name": "(If + While) vs (Mod + one If)"
```

**Script Preparation Code**

The script preparation code is provided in two functions:

1. `Linha_Base_Canais()`: This function uses a while loop and an if statement to increment or decrement a variable (`LinhaMarcacao`) based on the value of another variable (`PrecoAtual`).
2. `LinhaMarcacao2()`: This function uses the modulo operator (`%`) to calculate a value (`V1`) from another value (`V0`). It then performs an if statement to update the result.

**What is being tested?**

In essence, the benchmark is testing the performance of two different approaches:

1. `(If + While)`: The while loop is used to increment or decrement `LinhaMarcacao` based on the comparison with `PrecoAtual`. This approach involves multiple comparisons and updates.
2. `(Mod + one If)`: The modulo operator (`%`) is used to calculate a value (`V1`) from another value (`V0`). This approach involves a single calculation followed by an if statement.

**Options compared**

The two options being compared are:

* `while` loop with an if statement
* Modulo operator (`%`) with a single if statement

**Pros and Cons of each approach:**

1. `(If + While)`: Advantages:
	* Easy to understand and implement for simple cases.
	* Can be more readable, especially for developers familiar with the syntax.
Disadvantages:
	* May lead to performance issues due to multiple comparisons and updates in a loop.
2. `(Mod + one If)`: Advantages:
	* Generally faster than the `while` loop approach, as it involves fewer operations.
	* Can be more efficient for cases where the calculation is simple.

Disadvantages:

* May require more complex calculations or data structures to achieve the same result.
* Less readable and easier to maintain for developers unfamiliar with the syntax.

**Library usage**

There are no notable libraries used in this benchmark. The code relies on built-in JavaScript features, such as `Math.random()`, loops, and conditional statements.

**Special JS feature or syntax**

The benchmark does not explicitly use any special JavaScript features or syntax beyond the two approaches being compared. However, it's worth noting that the use of a while loop with an if statement may be considered more advanced than some developers might expect.

**Other alternatives**

For this specific problem, there are no obvious alternative approaches besides the `(If + While)` and `(Mod + one If)` options provided. However, other approaches could involve:

* Using loops or array methods instead of conditionals.
* Employing more efficient algorithms or data structures (e.g., binary search).
* Utilizing parallel processing or multi-threading to take advantage of multiple CPU cores.

Keep in mind that the performance difference between these approaches can be significant, and choosing the right approach depends on the specific use case and requirements.

Related benchmarks:

(If + While) vs (Mod + one If) (version: 1)

Comparing performance of: Mod vs If + while

Created: 3 years ago by: Registered User

Jump to the latest result

Mod

If + while

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):