Benchmark: Math.max vs ternary

Script Preparation code:

this.number = Math.random() * 1000

Tests:

Math.max
return Math.max(501, this.number)
ternary
return this.number >= 501 ? this.number : 0

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.max
ternary

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser/OS: Chrome 131 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Math.max	98851704.0 Ops/sec
ternary	74142632.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and its results to understand what's being tested and compared.

**Benchmark Definition**

The benchmark definition consists of two test cases:

1. `return Math.max(501, this.number)`
2. `return this.number >= 501 ? this.number : 0`

These test cases are comparing the performance of the `Math.max` function versus a ternary operator (`ternary`) that achieves similar functionality.

**Options Compared**

The two options being compared are:

1. **`Math.max(501, this.number)`**: This is a built-in JavaScript function that returns the maximum value between two arguments.
2. **`this.number >= 501 ? this.number : 0`**: This is a ternary operator that checks if `this.number` is greater than or equal to 501 and returns either `this.number` or 0 based on the condition.

**Pros and Cons of Each Approach**

1. **`Math.max(501, this.number)`**:
	* Pros: Simple, readable, and well-documented.
	* Cons: May incur overhead due to function call and argument passing.
2. **`this.number >= 501 ? this.number : 0`** (ternary operator):
	* Pros: Often preferred for its conciseness and readability in many contexts.
	* Cons: Can be less readable for those not familiar with ternary operators or may lead to unexpected behavior if not used carefully.

**Library Usage**

There is no explicit library usage mentioned in the benchmark definition. However, it's worth noting that `this.number` suggests that the test is running within an object context, and `this` refers to the current object being tested.

**Special JS Features/Syntax**

The only special feature or syntax used here is the ternary operator (`? :`), which allows for a single expression to be evaluated with multiple conditions. This is a common JavaScript construct that can simplify code but may also make it less readable in certain situations.

**Other Alternatives**

For this specific test case, other alternatives could include:

1. Using `Math.min(501, this.number)` to find the smaller of the two values.
2. Implementing a custom function using bitwise operators (e.g., `return (this.number > 500) ? this.number : 0`).
3. Using a library like Lodash that provides utility functions for common operations.

However, the ternary operator and `Math.max` are likely to be the most straightforward alternatives in this case.

Related benchmarks:

Math.max vs ternary (version: 0)

Comparing performance of: Math.max vs ternary

Created: 2 years ago by: Guest

Jump to the latest result

Math.max

ternary

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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