Benchmark: Powers of two - MeasureThat.net

Tests:

7
var x = 10; var p = x*0.097;
8
var x = 10; var p = x*0.098;
9
var x = 10; var p = x*0.099;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
7
8
9

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

I'd be happy to explain what's being tested in the provided benchmark.

**Overview**

The benchmark tests the performance of two approaches: using an array and using the loop directly. In both cases, the code multiplies a number by 0.097, 0.098, and 0.099.

**Approach 1: Using an array**

In this approach, the numbers are stored in an array and then multiplied by 0.097, 0.098, and 0.099 using a loop.

**Pros**

* This approach can be beneficial when you need to perform multiple calculations with different multipliers.
* It can also improve code readability, as the multiplier values are clearly separated from the calculation logic.

**Cons**

* Using an array may incur overhead due to array creation and iteration.
* The loop may introduce additional complexity, making it harder to maintain and debug.

**Approach 2: Using the loop directly**

In this approach, the numbers are multiplied directly by 0.097, 0.098, and 0.099 without using an array or a loop.

**Pros**

* This approach is likely to be faster than using an array, as it eliminates overhead due to array creation and iteration.
* It can also simplify the code, making it easier to maintain and debug.

**Cons**

* Using the loop directly may make the code less readable, especially for complex calculations or large numbers of multipliers.

**Library usage**

There is no explicit library mentioned in the benchmark definition. However, it's likely that the JavaScript engine being tested (in this case, Firefox 53) includes built-in libraries and functions that support arithmetic operations, such as `*` and integer multiplication.

**Special JS feature or syntax**

There is no special JavaScript feature or syntax mentioned in the benchmark definition. The code uses standard JavaScript arithmetic operations (`*`) without any notable optimizations or features.

**Other alternatives**

If you're looking for alternative approaches to this benchmark, consider:

1. Using a more efficient data structure than an array, such as a `Map` or a `Set`.
2. Optimizing the loop for better performance, using techniques like loop unrolling or SIMD instructions.
3. Using a different programming language or framework that can take advantage of parallel processing or Just-In-Time (JIT) compilation.

In conclusion, the benchmark tests two simple approaches to performing multiple calculations with different multipliers: using an array and using the loop directly. While both approaches have pros and cons, using the loop directly is likely to be faster due to reduced overhead.

Latest run results:

Run details: (Test run date: 7 years ago)

User agent: Mozilla/5.0 (Windows NT 6.1; rv:53.0) Gecko/20100101 Firefox/53.0

Browser/OS: Firefox 53 on Windows 7

View result in a separate tab

Test name	Executions per second
7	987324736.0 Ops/sec
8	988688704.0 Ops/sec
9	989895680.0 Ops/sec

Related benchmarks:

Powers of two (version: 0)

If they should be written in an array or in the loop as we go

Comparing performance of: 7 vs 8 vs 9

Created: 7 years ago by: Guest

Jump to the latest result

7

8

9

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):