Benchmark: math pow vs multiply3

Tests:

pow
var x = Math.pow(54,23);
mult
var y = 54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
pow
mult

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's break down what's being tested on the provided JSON.

**Benchmark Definition**

The benchmark is defined by two scripts:

1. `var x = Math.pow(54,23);` - This script uses the `Math.pow()` function to calculate the power of 54 raised to 23.
2. `var y = 54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54*54;` - This script multiplies the number 54 by itself 23 times.

**Options Compared**

The benchmark compares two approaches:

1. **Math.pow()**: The `Math.pow()` function calculates the power of a base raised to an exponent using a binary decomposition method, which reduces the number of multiplications required.
2. **Manual Multiplication**: The second script uses manual multiplication to calculate the power.

**Pros and Cons**

1. **Math.pow()**:
	* Pros: Fast, efficient, and easy to implement. It's also widely supported by most JavaScript engines.
	* Cons: May be slower than manual multiplication for very large exponents due to the overhead of the binary decomposition method.
2. **Manual Multiplication**:
	* Pros: Can be faster than `Math.pow()` for very large exponents, as it avoids the overhead of the binary decomposition method.
	* Cons: Slower and more error-prone when dealing with larger values or more complex calculations.

**Library Usage**

None of the scripts use any external libraries in this benchmark.

**Special JS Feature or Syntax**

There is no special JavaScript feature or syntax being used in this benchmark. The only syntax used is the exponentiation operator (`**`) in the second script, but it's not specific to a particular JavaScript version or engine.

**Other Alternatives**

If you wanted to compare other approaches, you could consider adding more scripts, such as:

* Using `Math.expm()` (available in some modern JavaScript engines) instead of `Math.pow()`.
* Using a library like [Fast Exponentiation](https://github.com/mvigdahl/fast-exponentiation) for manual exponentiation.
* Comparing with other languages or libraries that have optimized exponentiation implementations.

Keep in mind that the results may vary depending on the specific JavaScript engine, version, and platform used.

Related benchmarks:

math pow vs multiply3 (version: 0)

Comparing performance of: pow vs mult

Created: 2 years ago by: Guest

Jump to the latest result

pow

mult

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):