Benchmark: Math.max() vs Custom

Script Preparation code:

var values = new Array(5000);

for (let i = 0; i < values.length; ++i) {
    values[i] = i % 20;
}

Tests:

Math.max
return Math.max(...values);
other
const arr = values; let max = -Infinity; let min = Infinity; let len = arr.length; while (len--) { const val = arr[len]; max = val > max ? val : max; min = val < min ? val : min; } return { min, max };

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.max
other

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

LLMs can make mistakes. Check important info.

I'll break down the explanation into smaller parts.

**What is being tested?**

The provided JSON represents a benchmark test on measuring the performance of two approaches: using the built-in `Math.max()` function and implementing a custom solution to find the minimum and maximum values in an array.

**Options compared**

There are two options being compared:

1. **Using `Math.max()`:** This approach uses the built-in JavaScript function `Math.max()` to find the maximum value in the array.
2. **Custom implementation:** This approach implements a custom solution to find the minimum and maximum values in the array using a while loop.

**Pros and cons of each approach:**

1. **Using `Math.max()`:**
	* Pros:
		+ Shorter code length
		+ Less error-prone (built-in function is tested by many developers)
		+ Faster execution time (since it's optimized for performance)
	* Cons:
		+ May not be as efficient in certain cases (e.g., large arrays, specific data types)
2. **Custom implementation:**
	* Pros:
		+ More control over the algorithm
		+ Can be more efficient in certain cases (e.g., small arrays, specific data types)
	* Cons:
		+ Longer code length
		+ More prone to errors (since it's custom-coded)

**Library usage**

Neither of the provided test cases uses any external libraries.

**Special JS feature or syntax**

There is no special JavaScript feature or syntax used in this benchmark. However, it does use modern JavaScript features such as:

* `let` and `const` for variable declarations
* Arrow functions ( implicit by using a single line with `=>`)
* Array destructuring (not explicitly shown but implied)

**Other alternatives**

If the custom implementation is rewritten to be more efficient or if additional optimizations are considered, alternative approaches might include:

* Using a sorting algorithm like QuickSort or Merge Sort to find the minimum and maximum values
* Using a binary search approach to find the minimum and maximum values
* Using an iterative approach with a single pass through the array

Note that these alternatives would likely introduce new pros and cons compared to the original custom implementation.

Related benchmarks:

Math.max() vs Custom (version: 0)

n/a

Comparing performance of: Math.max vs other

Created: 3 years ago by: Guest

Jump to the latest result

Math.max

other

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):