Benchmark: ternary vs if in loop

Tests:

ternary
for (let i = 0; i < 1000; i++) { const rnd = Math.random(); const value = rnd < .5 ? 'min' : 'max' }
if
for (let i = 0; i < 1000; i++) { const rnd = Math.random(); let value; if (rnd < .5) { value = 'min'; } else { value = 'max'; } }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
ternary
if

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 27 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what is being tested, compared, and other considerations.

**Benchmark Definition JSON**

The provided `Benchmark Definition` JSON defines two test cases:

1. "ternary vs if in loop"
2. Another test case is not defined, but we can infer it from the script preparation code provided later.

**Test Case 1: Ternary vs If**

This test case compares the performance of using a ternary operator (`ternary`) versus an if-else statement (`if`).

**Script Preparation Code**
```javascript
for (let i = 0; i < 1000; i++) {
  const rnd = Math.random();
  const value = rnd < .5 ? 'min' : 'max';
}
```
This script generates 1000 iterations, where `Math.random()` is used to generate a random number between 0 and 1. If the number is less than 0.5, the variable `value` is assigned the string `'min'`; otherwise, it's assigned `'max'`.

**Script Preparation Code for Test Case 2 ( inferred )**
```javascript
for (let i = 0; i < 1000; i++) {
  const rnd = Math.random();
  let value;
  if (rnd < .5) {
    value = 'min';
  } else {
    value = 'max';
  }
}
```
This script is similar to the first one, but uses an if-else statement to assign the value.

**Comparison**

The test case compares the performance of these two approaches:

1. Ternary operator (`ternary`): `const value = rnd < .5 ? 'min' : 'max';`
2. If-else statement (`if`): `let value; if (rnd < .5) { value = 'min'; } else { value = 'max'; }`

**Pros and Cons**

1. **Ternary operator**:
	* Pros: concise, expressive, and easy to read.
	* Cons: may not be as readable for complex conditions or multiple assignments.
2. **If-else statement**:
	* Pros: more readable for complex conditions or multiple assignments.
	* Cons: longer, less concise, and may require more lines of code.

**Other Considerations**

1. **Library usage**: Neither test case uses any libraries.
2. **Special JS feature/syntax**: No special features are used in this benchmark.
3. **Alternative approaches**: Other alternatives could include using arrow functions, template literals, or other conditional statements (e.g., `switch`).

**Benchmark Result**

The latest benchmark result shows the performance of both test cases:

| Test Name | ExecutionsPerSecond |
| --- | --- |
| ternary | 17937.40625 |
| if | 17617.529296875 |

This suggests that the ternary operator approach is slightly faster than the if-else statement approach.

Keep in mind that this benchmark is just one example, and performance differences may vary depending on the specific use case, platform, and other factors.

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36

Browser/OS: Chrome 110 on Linux

View result in a separate tab

Test name	Executions per second
ternary	17937.4 Ops/sec
if	17617.5 Ops/sec

Related benchmarks:

ternary vs if in loop (version: 0)

Comparing performance of: ternary vs if

Created: one year ago by: Guest

Jump to the latest result

ternary

if

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 27 days ago):