Benchmark: If vs Switch - MeasureThat.net

Tests:

ifTest1
function ifTest1() { if(value === 'Rejected' || value === 'Cancelled'){ return true; } }
ifTest2
function ifTest2() { if(value === 'Blue' || value === 'Red') { return false; } if(value === 'Rejected' || value === 'Cancelled'){ return true; } }
ifTest3
function ifTest3() { if(value === 'Rejected' || value === 'Cancelled'){ return true; } if(value === 'Blue' || value === 'Red') { return false; } }
switchTest1
function switchTest1() { switch(value) { case 'Rejected': return true; case 'Cancelled': return true; } }
switchTest2
function switchTest2() { switch(value) { case 'Rejected': return true; case 'Cancelled': return true; default: return false; } }
switchTest3
function switchTest3() { switch(value) { case 'Rejected': return true; case 'Blue': return false; case 'Red': return false; case 'Cancelled': return true; default: return false; } }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
ifTest1
ifTest2
ifTest3
switchTest1
switchTest2
switchTest3

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 dive into the world of JavaScript microbenchmarks!

**Benchmark Definition**

The provided JSON represents a benchmark definition, which defines two types of conditional statements: `if` and `switch`. The benchmark aims to measure the performance difference between these two constructs.

**Options Compared**

In this benchmark, we have four test cases:

1. `ifTest1`: A simple `if` statement with only one condition (`value === 'Rejected' || value === 'Cancelled'`).
2. `ifTest2`: An `if` statement with multiple conditions (two) and a nested `if` statement.
3. `ifTest3`: Similar to `ifTest1`, but the conditions are in reverse order.
4. `switchTest1`: A `switch` statement with two cases (`'Rejected'` and `'Cancelled'`) that return true.
5. `switchTest2`: A `switch` statement with three cases, including a default case that returns false.
6. `switchTest3`: A `switch` statement with multiple conditions, similar to the previous ones.

**Pros and Cons of Each Approach**

1. **if**: Simple and straightforward, but can be slower due to the overhead of evaluating the condition.
	* Pros: Easy to understand and write, no special syntax required.
	* Cons: May not be as efficient as other options.
2. **switch**: Can be faster for certain use cases, especially when dealing with multiple conditions that return true.
	* Pros: Faster than `if` for some scenarios, easier to read for complex logic.
	* Cons: Requires special syntax and can be more error-prone if not used correctly.

**Library Usage**

There is no library mentioned in the provided JSON. The benchmark only uses built-in JavaScript constructs: `if`, `switch`.

**Special JS Features/Syntax**

None of the test cases use any special JavaScript features or syntax, such as async/await, promises, or arrow functions.

**Other Alternatives**

If we were to extend this benchmark to include more options, we could consider adding:

* **Ternary operator**: A concise way to write simple conditional statements.
* **Logical operators** (e.g., `&&`, `||`, `?`): Can be used to simplify certain conditions.
* **Regex**: Could be used to match complex patterns in the input data.

However, these alternatives would require additional modifications to the benchmark definition and test cases to accurately measure their performance impact.

Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36

Browser/OS: Chrome 73 on Windows 8.1

View result in a separate tab

Test name	Executions per second
ifTest1	936380160.0 Ops/sec
ifTest2	939712064.0 Ops/sec
ifTest3	940012736.0 Ops/sec
switchTest1	940918592.0 Ops/sec
switchTest2	938993344.0 Ops/sec
switchTest3	942498496.0 Ops/sec

Related benchmarks:

If vs Switch (version: 0)

Comparing performance of: ifTest1 vs ifTest2 vs ifTest3 vs switchTest1 vs switchTest2 vs switchTest3

Created: 6 years ago by: Guest

Jump to the latest result

ifTest1

ifTest2

ifTest3

switchTest1

switchTest2

switchTest3

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):