Benchmark: comparison due to the order of || operation

Tests:

1-1
const x = 'y'; x === 'true' || x === 'y';
1-2
const x = 'y'; x === 'y' || x === 'true'
2-1
const x = 'true'; x === 'true' || x === 'y';
2-2
const x = 'true'; x === 'y' || x === 'true'
3-1
const x = 'anything else'; x === 'true' || x === 'y';
3-2
const x = 'anything else'; x === 'y' || x === 'true'

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1-1
1-2
2-1
2-2
3-1
3-2

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.2 Safari/605.1.15

Browser/OS: Safari 15 on Mac OS X 10.15.6

View result in a separate tab

Test name	Executions per second
1-1	387171200.0 Ops/sec
1-2	351714368.0 Ops/sec
2-1	380323808.0 Ops/sec
2-2	379471360.0 Ops/sec
3-1	385652096.0 Ops/sec
3-2	358934112.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the benchmark and its various aspects.

**Benchmark Overview**

The provided benchmark compares the performance of two different approaches to evaluate an expression with an `||` (logical OR) operator. The test cases are designed to cover various scenarios, including:

1. Evaluating a constant string (`"true"` or `"y"`).
2. Evaluating a variable `x` assigned a string value.
3. Using a different order of operations.

**Options Compared**

The benchmark compares the performance of three different approaches:

1. **Direct Comparison**: Evaluate `x === 'true' || x === 'y'`
2. **First Evaluation, Then OR**: Evaluate `(x === 'true') || (x === 'y')`
3. **OR Operation First, Then Comparison**: Evaluate `'true' || (x === 'y')`

**Pros and Cons of Each Approach**

1. **Direct Comparison**:
	* Pros: Simple and straightforward.
	* Cons: May lead to unexpected behavior due to the order of operations.
2. **First Evaluation, Then OR**:
	* Pros: Avoids issues with operator precedence.
	* Cons: Requires an extra step in evaluation.
3. **OR Operation First, Then Comparison**:
	* Pros: Forces the user to consider operator precedence.
	* Cons: May lead to performance overhead due to the additional operation.

**Library Used**

None of the provided benchmark test cases use any external libraries. The code is self-contained and only uses built-in JavaScript features.

**Special JS Feature or Syntax**

There are no special JS features or syntax used in this benchmark. It's a simple comparison of basic arithmetic expressions with logical operators.

**Other Alternatives**

To evaluate expressions with `||` operators, other approaches could be considered:

1. Using a ternary operator (`x === 'true' ? 'true' : x === 'y'`)
2. Using a conditional statement (`if (x === 'true') { console.log('true'); } else if (x === 'y') { console.log('y'); }`)
3. Using a regular expression to evaluate the expression

However, these alternatives may not be relevant for this specific benchmark, which focuses on comparing performance of different approaches.

**Benchmark Preparation**

The provided benchmark preparation code is minimal and only includes basic setup for each test case:

```javascript
const x = 'y';
```

This code sets up a variable `x` with the value `'y'`, which is then used in the evaluation expressions.

Related benchmarks:

comparison due to the order of || operation (version: 0)

Comparing performance of: 1-1 vs 1-2 vs 2-1 vs 2-2 vs 3-1 vs 3-2

Created: 2 years ago by: Guest

Jump to the latest result

1-1

1-2

2-1

2-2

3-1

3-2

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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