Benchmark: Math.max vs. If vs. Ternary Assignment

Script Preparation code:

this.number = Math.random() * 1000

Tests:

Math.max
let foo = Math.max(500, this.number)
If
let foo = this.number; if (foo < 500) { foo = 500; }
Ternary
let foo = this.number < 500 ? 500 : this.number

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.max
If
Ternary

Fastest: N/A

Slowest: N/A

Autogenerated LLM Sumamry (model llama3.2:3b, generated 20 days ago):

LLMs can make mistakes. Check important info.

Let's break down the benchmark and its results.

**Benchmark Description:**

The benchmark measures the performance difference between three approaches to check if a number is less than 500:

1. `Math.max(500, this.number)`
2. Conditional If statement: `if (foo < 500) { foo = 500; }`
3. Ternary assignment: `let foo = this.number < 500 ? 500 : this.number`

**Comparison of Approaches:**

* **Ternary Assignment**: This approach uses a single expression to assign a value to `foo` based on the condition. It's concise and efficient.
	+ Pros: Compact, easy to read, and likely optimized by JavaScript engines.
	+ Cons: May not be as performant as other approaches due to the overhead of evaluating the condition.
* **Conditional If statement**: This approach uses a traditional if-else structure to assign a value to `foo`.
	+ Pros: Easy to understand and maintain, allows for more complex logic.
	+ Cons: More verbose than ternary assignment, may not be optimized as well by JavaScript engines.
* **Math.max**: This approach uses the built-in `Math.max` function with two arguments. It's a simple and straightforward way to achieve the same result.
	+ Pros: Easy to understand, leverages built-in functionality.
	+ Cons: May not be as performant as other approaches due to the overhead of calling a built-in function.

**Other Considerations:**

* **Library usage**: The benchmark uses `Math.random()` to generate a random number for testing. This is a standard library function in JavaScript, and its performance impact is relatively small.
* **Special JS features/syntax**: None mentioned explicitly, but the use of ES6+ syntax (e.g., `let`, arrow functions) assumes support for modern JavaScript features.

**Benchmark Results:**

The latest benchmark results show that:

1. Ternary assignment has the highest execution rate (`ExecutionsPerSecond`): 839,157,056.
2. Conditional If statement is slightly slower: 835,490,432.
3. `Math.max` has a lower execution rate: 8,075,611.

**Alternatives:**

Other approaches to check if a number is less than 500 could include:

* Using the `<` operator directly on the numbers (e.g., `this.number < 500`)
* Utilizing bitwise operations (e.g., using `>>` and `&` operators)
* Implementing a custom function or method for comparison

Keep in mind that these alternatives might not be as concise or performant as the approaches used in the benchmark.

Latest run results:

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

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser/OS: Chrome 103 on Linux

View result in a separate tab

Test name	Executions per second
Math.max	8707611.0 Ops/sec
If	835490432.0 Ops/sec
Ternary	839157056.0 Ops/sec

Related benchmarks:

Math.max vs. If vs. Ternary Assignment (version: 0)

Comparing performance of: Math.max vs If vs Ternary

Created: 3 years ago by: Guest

Jump to the latest result

Math.max

If

Ternary

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Sumamry (model llama3.2:3b, generated 20 days ago):