Benchmark: sqrt with max and without max

Script Preparation code:

var u = 10
var v = 20

Tests:

Existing
Math.sqrt(Math.max(0, 1 - u * u - v * v));
New
Math.sqrt(1 - u * u - v * v)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Existing
New

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.

Let's break down the provided benchmark and explain what's being tested.

**Benchmark Overview**

The benchmark measures the performance of two different approaches to calculating the square root of a number: using `Math.max` with arguments, and without it.

**Options Compared**

There are two test cases:

1. **Existing**: This approach uses `Math.sqrt(Math.max(0, 1 - u * u - v * v));`. The `Math.max` function is used to ensure that the input to `sqrt` is non-negative.
2. **New**: This approach simply calculates `1 - u * u - v * v`, without using `Math.max`.

**Pros and Cons**

Using `Math.max` with arguments:

* Pros:
	+ Simplifies code and reduces errors (e.g., what if the input values are negative?)
	+ May be faster due to optimization by some browsers
* Cons:
	+ Introduces additional overhead (function call, argument passing)
	+ May affect performance if the `Math.max` function is expensive

Not using `Math.max`:

* Pros:
	+ Faster execution (no extra function call or argument passing)
	+ More straightforward calculation
* Cons:
	+ Requires more careful handling of edge cases (e.g., what if input values are negative?)

**Library and Special JS Features**

There are no specific libraries mentioned in the benchmark, but it's worth noting that some browsers may have built-in optimizations for `Math.sqrt` or `Math.max` functions. Additionally, the use of `var u = 10` and `var v = 20` suggests that this is a simple JavaScript setup without any additional libraries or frameworks.

**Special JS Features**

There are no special JavaScript features mentioned in the benchmark beyond what's standard to modern JavaScript.

**Other Alternatives**

If you wanted to test alternative approaches, you could consider:

1. Using a different algorithm for calculating square roots (e.g., Babylonian method)
2. Optimizing the calculation using SIMD instructions (if supported by the browser and platform)
3. Compiling the JavaScript code to machine code using tools like WebAssembly
4. Using a just-in-time compiler or interpreter

Keep in mind that these alternatives might not be directly comparable to the original benchmark, as they introduce new variables (e.g., algorithm choices) that could affect performance in different ways.

Overall, this benchmark provides a simple and straightforward way to compare the performance of two approaches: using `Math.max` with arguments versus without it.

Related benchmarks:

sqrt with max and without max (version: 0)

Comparing performance of: Existing vs New

Created: 2 years ago by: Guest

Jump to the latest result

Existing

New

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):