Benchmark: if cond - MeasureThat.net

Script Preparation code:

var yu = 100;
var je = false;

var testone;
var testtwo;

Tests:

high
if (yu < 12) { if (je) { testone = 10; } }
low
if (yu < 12 && je){ testtwo = 10; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
high
low

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

This benchmark tests the performance of different conditional statements in JavaScript:

**Options Compared:**

* **Test "high":**  Uses nested `if` statements with a condition (`yu < 12`) and an additional condition inside the first `if` statement (`je`). This is more complex.
* **Test "low":** Uses a single `if` statement with combined conditions using the logical AND operator (`&&`).  This is simpler.

**Pros/Cons:**

* **"high" (Nested if):** 
    * **Con:** Can be less efficient due to potentially more evaluations of conditions.
    * **Pro:** Sometimes clearer for expressing complex logic, though this example is simple enough that the "low" approach is better.

* **"low" (Combined if):**
    * **Con:** Can become harder to read if you have many combined conditions.
    * **Pro:** Usually more efficient as it evaluates fewer conditions overall.

**Other Considerations:**

* **Early Exit Optimization:**  Modern JavaScript engines often perform "short-circuiting" within `if` statements (and with logical operators like `&&`). If the first condition is false, the second condition in a combined `if` won't be evaluated. 
* **Clarity vs. Performance:** While performance matters, in many cases, code readability and maintainability are more important. For simple logic, like this example, using a clear and concise `if` statement is often better.

**Alternatives:**

* **Switch Statement:** If you have multiple conditions to check against distinct cases, a `switch` statement can be more efficient than nested `if` statements.
* **Ternary Operator (`condition ? true_result : false_result`):** A compact way to express a simple if-else statement.

Let me know if you have any other questions!

Related benchmarks:

if cond (version: 0)

Comparing performance of: high vs low

Created: 8 years ago by: Guest

Jump to the latest result

high

low

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):