Benchmark: Math.max/min vs if vs ternary operator 232323

Script Preparation code:

this.number = Math.random() * 1000;

Tests:

Math.max/min
return Math.max(250, this.number);
if
if(this.number < 250) return 250; else return this.number;
ternary
return this.number < 250 ? 250 : this.number;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.max/min
if
ternary

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark JSON and explain what is being tested.

The test measures the performance of three different approaches to find the maximum value between two numbers:

1. `Math.max()`: The built-in JavaScript function that returns the highest value from one or more arguments.
2. `if-else` statement: A conditional statement that checks if a condition is true, and if so, executes a specific block of code. In this case, it's used to compare the input value (`this.number`) with 250.
3. Ternary operator (`?:`): A concise way to express simple `if-else` statements in a single expression.

**Options comparison:**

The test compares the performance of these three approaches:

* `Math.max()`: The built-in function is optimized for performance and provides a simple, readable solution.
* `if-else` statement: This approach requires more code and has a slightly slower execution time compared to `Math.max()`.
* Ternary operator (`?:`): This approach is concise and efficient but might be less readable than the other two options.

**Pros and Cons:**

* `Math.max()`:
	+ Pros: Fast, easy to read, and well-documented.
	+ Cons: Might not be suitable for all use cases (e.g., negative numbers).
* `if-else` statement:
	+ Pros: Easy to understand, flexible, and can handle different conditions.
	+ Cons: Requires more code, slower execution time compared to built-in functions.
* Ternary operator (`?:`):
	+ Pros: Concise, efficient, and suitable for simple decisions.
	+ Cons: Might be less readable than other approaches.

**Library usage:**

None of the provided benchmark tests use external libraries. The only dependency is the `Math` function, which is a built-in JavaScript library.

**Special JS features or syntax:**

The test uses ternary operator (`?:`) and an `if-else` statement with a concise syntax (using `\r\n` for line breaks). These are standard JavaScript features but might be less familiar to some developers.

**Alternative approaches:**

Other alternatives to these three approaches include:

* Using `Math.min()` instead of `Math.max()`
* Comparing the input value with 0 using `if(this.number < 0)`
* Using a different logic, such as calculating the square root of the difference between the two numbers

Keep in mind that the choice of approach depends on the specific use case and requirements.

To prepare this benchmark, you would:

1. Create a new script in MeasureThat.net
2. Set the `Script Preparation Code` to the provided code snippet (`this.number = Math.random() * 1000;`)
3. Define the three test cases using the individual test cases JSON:
```json
[
    {
        "Benchmark Definition": "return Math.max(250, this.number);",
        "Test Name": "Math.max/min"
    },
    {
        "Benchmark Definition": "if(this.number < 250) return 250;\r\nelse return this.number;",
        "Test Name": "if"
    },
    {
        "Benchmark Definition": "return this.number < 250 ? 250 : this.number;",
        "Test Name": "ternary"
    }
]
```
4. Run the benchmark and view the results in MeasureThat.net

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:96.0) Gecko/20100101 Firefox/96.0

Browser/OS: Firefox 96 on Windows

View result in a separate tab

Test name	Executions per second
Math.max/min	39086808.0 Ops/sec
if	436869728.0 Ops/sec
ternary	437935584.0 Ops/sec

Related benchmarks:

Math.max/min vs if vs ternary operator 232323 (version: 0)

Comparing performance of: Math.max/min vs if vs ternary

Created: 2 years ago by: Guest

Jump to the latest result

Math.max/min

if

ternary

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):