Benchmark: Multiply speed test 3

Script Preparation code:

var x = 5;
var y = 0;

Tests:

Multiply
y = x * 2;
Bitshifting
y = x << 1;
Addition
y = x + x;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Multiply
Bitshifting
Addition

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):

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Let's break down the provided JSON and benchmark test cases.

**Benchmark Definition**
The `Multiply speed test 3` is a JavaScript microbenchmark that tests the performance of arithmetic operations. The script preparation code initializes two variables, `x` and `y`, to values that will be used in the benchmarking process.

**Script Preparation Code**
The `Script Preparation Code` section sets the initial value of variable `x` to 5 and initializes variable `y` to 0. This code is executed before each benchmark run.

**Html Preparation Code**
There is no HTML preparation code, which means that the benchmark runs in a headless browser environment.

**Individual Test Cases**

Each test case represents a specific arithmetic operation:

1. **Multiply**: Tests the performance of multiplying `x` by 2.
	* The benchmark definition is `y = x * 2;`. This operation involves a simple multiplication, which is typically fast.
	* Pros: Simple and straightforward operation, easy to optimize.
	* Cons: May not cover all edge cases or variations of multiplication.
2. **Bitshifting**: Tests the performance of shifting the bits of `x` one position to the left (using the left shift operator).
	* The benchmark definition is `y = x << 1;`. This operation involves a bitwise shift, which can be optimized for performance.
	* Pros: Can take advantage of CPU's instruction-level parallelism and SIMD instructions.
	* Cons: May not be relevant in all scenarios (e.g., floating-point operations).
3. **Addition**: Tests the performance of adding `x` to itself.
	* The benchmark definition is `y = x + x;`. This operation involves a simple addition, which is typically fast.
	* Pros: Simple and straightforward operation, easy to optimize.
	* Cons: May not cover all edge cases or variations of addition.

**Library Usage**
None of the test cases explicitly use any libraries. However, the `Safari537.36` browser may be using its built-in JavaScript engine, which can involve additional overhead compared to a custom implementation.

**Special JS Features/Syntax**
There are no special features or syntax mentioned in the benchmarking process.

**Other Alternatives**
For creating similar microbenchmarks, you could consider using other frameworks like:

* **js-bench**: A simple and lightweight framework for creating JavaScript benchmarks.
* **Benchmark.js**: A popular benchmarking library for JavaScript that provides more advanced features than the `Multiply speed test 3` benchmark.
* **Google Benchmark**: An open-source benchmarking library developed by Google, which provides a wide range of features and options for creating efficient microbenchmarks.

In summary, the `Multiply speed test 3` is a simple JavaScript microbenchmark that tests the performance of arithmetic operations. It uses a straightforward approach with minimal library usage and does not involve any special features or syntax.

Related benchmarks:

Multiply speed test 3 (version: 0)

Comparing performance of: Multiply vs Bitshifting vs Addition

Created: 7 years ago by: Guest

Jump to the latest result

Multiply

Bitshifting

Addition

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):