Benchmark: Math max or ternary operator

Script Preparation code:

var a = 3452;
var b = 5672;

Tests:

Math.max
var c = Math.max(a + b, a * b);
Ternary and operate again
var d = a + b > a * b ? a + b : a * b;
Ternary with cache
var e = a + b; var f = a * b; var h = e > f ? e : f;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.max
Ternary and operate again
Ternary with cache

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15

Browser/OS: Safari 17 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Math.max	2380877.2 Ops/sec
Ternary and operate again	2303230.2 Ops/sec
Ternary with cache	3394395.5 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data to understand what is being tested in this JavaScript microbenchmark.

**Benchmark Definition**

The benchmark definition consists of two scripts: `var c = Math.max(a + b, a * b);` and two ternary operator variations. The benchmark aims to measure which approach performs better: using the `Math.max()` function or implementing a custom ternary operator.

**Options Compared**

There are three options being compared:

1. **Using `Math.max()`**: This involves calling the built-in `Math.max()` function with two arguments.
2. **Ternary Operator (Simple)**: This involves using a simple ternary operator to evaluate an expression, where the condition is checked only once.
3. **Ternary Operator (with Cache)**: This involves using a modified ternary operator that caches the result of the expression evaluation for future use.

**Pros and Cons**

Here are some pros and cons of each approach:

*   **Using `Math.max()`**:
    *   Pros: Well-established, widely supported, and well-optimized by browsers.
    *   Cons: May involve additional overhead due to function call and potential branching in the browser's Just-In-Time (JIT) compiler.
*   **Ternary Operator (Simple)**:
    *   Pros: Simple implementation, no additional overhead compared to the original expression evaluation.
    *   Cons: Evaluates the condition twice, which may lead to performance issues if the condition is complex or involves multiple operations.
*   **Ternary Operator (with Cache)**:
    *   Pros: Can cache the result of the expression evaluation, potentially reducing overhead by avoiding repeated evaluations.
    *   Cons: Requires more complex implementation and may not work correctly in all browsers or environments.

**Libraries Used**

There is no library explicitly mentioned in the benchmark definition. However, it's worth noting that JavaScript engines like SpiderMonkey (used in Firefox) and V8 (used in Chrome) have their own optimization techniques and heuristics to improve performance.

**Special JS Features/Syntax**

This benchmark does not use any special JavaScript features or syntax beyond what is commonly supported by modern browsers. However, it's worth mentioning that the use of `const` variables (`var a = 3452; var b = 5672;`) might be considered in modern JavaScript coding practices.

**Other Alternatives**

If you wanted to create similar benchmarks for other mathematical operations or algorithms, consider exploring options like:

*   **Numerical Integration**: Compare the performance of numerical integration methods (e.g., Simpson's Rule) versus analytical solutions.
*   **String Manipulation**: Evaluate the performance of string manipulation techniques, such as regular expressions or substring extraction.
*   **Array Algorithms**: Benchmark different approaches to array algorithms, like finding the maximum or minimum value in an array.

Related benchmarks:

Math max or ternary operator (version: 0)

Comparing performance of: Math.max vs Ternary and operate again vs Ternary with cache

Created: 4 years ago by: Registered User

Jump to the latest result

Math.max

Ternary and operate again

Ternary with cache

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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