Benchmark: clamp vs bitClamp vs vs min vs bitMin

Script Preparation code:

window.clamp = (val, min, max) => val < min ? min : val > max ? max : val;
window.bitClamp = (x, min, max) => {
  x = x - ((x - max) & ((max - x) >> 31));
  return x - ((x - min) & ((x - min) >> 31));
}
window.min = (val, min) => val < min ? min : val;
window.bitMin = (a, b) => a - ((a - b) & ((b - a) >> 31));

Tests:

clamp
clamp(Math.random() * 100000000000000000, 52, 896987565547);
bitClamp
bitClamp(Math.random() * 100000000000000000, 52, 896987565547);
min
min(Math.random() * 100000000000000000, 52);
bitMin
bitMin(Math.random() * 100000000000000000, 52);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
clamp
bitClamp
min
bitMin

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.

**Benchmark Explanation**

The provided benchmark tests the performance of four different functions for clamping (limiting) values within a range:

1. `clamp`
2. `bitClamp` (a bitwise version of `clamp`)
3. `min` (returns the minimum value between two numbers)
4. `bitMin` (a bitwise version of `min`, similar to `bitClamp`)

These functions are tested with randomly generated values using `Math.random() * 100000000000000000`.

**Options Compared**

The benchmark compares the performance of these four functions:

* `clamp` and `bitClamp`: These two functions perform the same operation, but `bitClamp` uses bitwise operations to minimize rounding errors. The difference lies in how they handle negative numbers.
* `min` and `bitMin`: These two functions return the minimum value between two numbers, but `bitMin` uses bitwise operations similar to `bitClamp`, while `min` performs a simple comparison.

**Pros and Cons**

Here's a brief overview of each function:

1. **clamp**: A straightforward implementation that returns the minimum or maximum value depending on the input.
	* Pros: Easy to understand, well-documented.
	* Cons: May be slower due to unnecessary comparisons.
2. **bitClamp**: Uses bitwise operations to minimize rounding errors for negative numbers.
	* Pros: Faster than `clamp` for large inputs, especially when dealing with negative numbers.
	* Cons: More complex implementation, harder to understand for beginners.
3. **min**: Returns the minimum value between two numbers using a simple comparison.
	* Pros: Fast, easy to implement.
	* Cons: May be slower than `bitClamp` due to unnecessary comparisons.
4. **bitMin**: Similar to `bitClamp`, but used for finding the minimum value.
	* Pros: Faster than `min` due to bitwise operations, especially for large inputs.
	* Cons: More complex implementation.

**Other Considerations**

When choosing between these functions, consider the following factors:

* Performance: If you need to process large datasets or perform calculations frequently, `bitClamp` and `bitMin` might be a better choice. However, if you're working with small values and readability is more important, `clamp` and `min` might suffice.
* Code complexity: If you're new to JavaScript or prefer simple implementations, `min` or `clamp` might be the way to go.

**Library Usage**

In this benchmark, the following libraries/libraries-like functions are used:

1. **Math.random()**: Used to generate random numbers for testing.
2. **Bitwise operators (e.g., & (~), >>)**: Used in `bitClamp`, `bitMin`, and other bitwise-related operations.

These libraries/libraries-like functions are built-in to JavaScript, so no external dependencies are required.

**Special JS Features or Syntax**

This benchmark doesn't specifically use any advanced JavaScript features like async/await, destructuring, or ES modules. However, it does utilize the spread operator (`...`) in some of its examples, which is a modern JavaScript feature.

Related benchmarks:

clamp vs bitClamp vs vs min vs bitMin (version: 0)

Comparing performance of: clamp vs bitClamp vs min vs bitMin

Created: 2 years ago by: Registered User

Jump to the latest result

clamp

bitClamp

min

bitMin

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):