Benchmark: Math vs Ternary - MeasureThat.net

Script Preparation code:

const n = Math.random() * 1000;

Tests:

Math
return Math.max(250, Math.min(750, this.n));
Ternary
return this.n < 250 ? 250 : this.n > 750 ? 750 : this.n;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math
Ternary

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

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

**What is being tested?**

The provided benchmark measures the performance difference between two JavaScript functions: `Math.max` followed by `Math.min`, and a ternary operator expression that achieves the same result. The test case uses a random value `n` generated by `Math.random()` to create a dynamic input for both expressions.

**Options compared:**

There are two options being compared:

1. **Using `Math.max` followed by `Math.min`:**
This approach uses the `Math.max` function to find the maximum of 250 and the random value `n`, and then uses `Math.min` to find the minimum of 750 and the result of `Math.max`. This is a straightforward way to express the same logic.
2. **Using a ternary operator:**
This approach uses a single expression with three conditions:
	* If `n` is less than 250, return 250
	* If `n` is greater than 750, return 750
	* Otherwise, return `n`
This approach is more concise and can be seen as a more "native" JavaScript way of expressing the same logic.

**Pros and Cons:**

**Using `Math.max` followed by `Math.min`:**
Pros:

* Easier to read and understand for developers familiar with the `Math.max` and `Math.min` functions
* Less prone to errors due to the explicit nature of the code

Cons:

* May incur additional function calls, which can lead to performance overhead
* Requires two separate function calls, which may be less efficient than a single expression

**Using a ternary operator:**
Pros:

* More concise and expressive way of expressing the same logic
* Can be seen as more "native" JavaScript

Cons:

* May be harder for developers unfamiliar with ternary operators to read and understand
* Errors can occur if the conditions are not properly balanced or nested

**Library usage:**

There is no library explicitly mentioned in the benchmark definition. However, it's worth noting that some modern JavaScript engines may have optimizations or built-in functions that could affect the performance of these expressions.

**Special JS feature or syntax:**

The benchmark uses a special syntax for the ternary operator expression, which is denoted by the three vertical pipes (`|`) separating the conditions and the value to be returned. This syntax is supported in most modern JavaScript engines, including Chrome 102 (the browser used in the test case).

**Other alternatives:**

If you wanted to express this logic using a different approach, some alternatives could include:

* Using the `Math.min` function with an initial value of 250 and then subtracting `n` from it if `n` is greater than 750. This would eliminate the need for the ternary operator.
* Using the `max` function provided by some JavaScript libraries (e.g., Lodash) or frameworks (e.g., jQuery), which might provide a more concise way of expressing this logic.

However, these alternatives may not be as idiomatic or efficient as the original expressions using `Math.max`, `Math.min`, and ternary operators.

Related benchmarks:

Math vs Ternary (version: 0)

Comparing performance of: Math vs Ternary

Created: 3 years ago by: Guest

Jump to the latest result

Math

Ternary

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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