Benchmark: modulo vs if - MeasureThat.net

HTML Preparation code:

<div></div>

Script Preparation code:

function Position(x, y) {
  this.x = x;
  this.y = y;
  return this;
}
var grid = new Position(10, 10);
var newsegment = new Position(0, 0)

Tests:

modulo
newsegment = new Position(newsegment.x % grid.x, newsegment.y % grid.y); return newsegment;
ifs
if (newsegment.x > grid.x) { newsegment = new Position(newsegment.x - grid.x, newsegment.y); } else if (newsegment.x < 1) { newsegment = new Position(grid.x + newsegment.x, newsegment.y); } else if (newsegment.y > grid.y) { newsegment = new Position(newsegment.x, newsegment.y - grid.y); } else if (newsegment.y < 1) { newsegment = new Position(newsegment.x, grid.y + newsegment.y); } return newsegment;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
modulo
ifs

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 9 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:140.0) Gecko/20100101 Firefox/140.0

Browser/OS: Firefox 140 on Mac OS X 10.15

View result in a separate tab

Test name	Executions per second
modulo	35812348.0 Ops/sec
ifs	85838544.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks.

**Benchmark Overview**

The provided benchmark compares two approaches to perform a simple modulo operation on the coordinates of an object within a grid. The test cases are designed to measure the performance difference between using the modulo operator (`%`) and conditional statements (`if-else`).

**Script Preparation Code**

The script preparation code defines a `Position` class, which represents a point in 2D space with `x` and `y` coordinates. Two instances of this class, `grid` and `newsegment`, are created with initial values for their coordinates.

**Html Preparation Code**

The html preparation code simply creates an empty `<div>` element, which is not relevant to the actual benchmark performance comparison.

**Test Cases**

There are two test cases:

1. **"modulo"`**
	* Benchmark Definition: The `newsegment` object's `x` and `y` coordinates are updated using the modulo operator (`%`) with the grid's dimensions.
	* Purpose: This test case measures the performance of using the modulo operator for coordinate updates.
2. **"ifs"`**
	* Benchmark Definition: A series of conditional statements (`if-else`) are used to update the `newsegment` object's coordinates based on their values relative to the grid's dimensions.
	* Purpose: This test case measures the performance of using conditional statements for coordinate updates.

**Library and Special Features**

There is no library mentioned in this benchmark. However, if you're interested in knowing more about the libraries used in other benchmarks, MeasureThat.net supports various JavaScript engines (e.g., V8, SpiderMonkey) and frameworks (e.g., React, Angular).

**Pros and Cons of Different Approaches**

1. **Modulo Operator (`%`)**:
	* Pros:
		+ Efficient and concise
		+ Can be optimized by the compiler or interpreter
	* Cons:
		+ May not work as expected if the divisor is zero
2. **Conditional Statements (`if-else`)**
	* Pros:
		+ Easy to understand and maintain
		+ Suitable for more complex logic
	* Cons:
		+ Can be slower due to branching and jump instructions

**Considerations**

When choosing between these approaches, consider the specific requirements of your use case. If you need a simple and efficient way to update coordinates within a grid, the modulo operator might be a better choice. However, if you're working with more complex logic or need to optimize for readability, conditional statements might be a better fit.

**Other Alternatives**

If you want to explore other approaches for coordinate updates, consider:

1. **Bitwise Operations**: Using bitwise operators (`<<`, `>>`) to perform operations on integer values.
2. **Arithmetic Operations**: Using arithmetic operators (`+`, `-`) to update coordinates.
3. **Mathematical Functions**: Using mathematical functions (e.g., `Math.floor()`, `Math.ceil()`) to round coordinates.

Keep in mind that these alternatives might have different performance characteristics and trade-offs, depending on the specific use case.

Related benchmarks:

modulo vs if (version: 0)

nothing!

Comparing performance of: modulo vs ifs

Created: 9 years ago by: Registered User

Jump to the latest result

modulo

ifs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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