Benchmark: Passing objects with raw values vs passing just raw values vs array of values 2 test

Script Preparation code:

var a = "Here's a string value";
var b = 5; // and a number
var c = false;

var object = {
  a, b, c
}

var array = [
  a, b, c
];

var passObject = (obj) => {
  return obj.a.length + obj.b * obj.c ? 2 : 1;
}

var passRawValues = (val_a, val_b, val_c) => {
  return val_a.length + val_b * val_c ? 2 : 1;
}

var passArray = (arr) => {
  return arr[0].length + arr[1] * arr[2] ? 2 : 1;
}


var x = 0;

Tests:

Pass object
x << 1; x ^= passObject({ a, b, c });
Pass raw values
x << 1; x ^= passRawValues(a, b, c);
Pass array
x << 1; x ^= passArray(array);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Pass object
Pass raw values
Pass array

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.

I'll break down the provided benchmark and explain what's being tested, compared options, pros and cons of those approaches, library usage, special JavaScript features or syntax, and alternatives.

**Benchmark Overview**

The `MeasureThat.net` benchmark measures performance differences between three ways to pass values to a function: passing an object, passing raw values (e.g., string, number, boolean), and passing an array. The test is designed to compare the performance of these approaches on JavaScript engines.

**Test Cases**

There are three test cases:

1. **Pass Object**: This test case passes an object with raw values (`a`, `b`, and `c`) as arguments to a function (`passObject`).
2. **Pass Raw Values**: This test case passes individual raw values (`a`, `b`, and `c`) as separate arguments to a function (`passRawValues`).
3. **Pass Array**: This test case passes an array with three elements (raw values `a`, `b`, and `c`) as arguments to a function (`passArray`).

**Options Compared**

The benchmark compares the performance of passing objects, raw values, and arrays as arguments to the functions.

**Pros and Cons of Each Approach:**

1. **Passing an Object**:
	* Pros:
		+ Can be more readable and maintainable, especially for complex data structures.
		+ Can reduce memory allocations and copying of individual values.
	* Cons:
		+ May lead to slower performance due to object creation and lookup.
2. **Passing Raw Values**:
	* Pros:
		+ Typically faster, as there are no object creations or lookups.
		+ Can be more efficient in terms of memory usage.
	* Cons:
		+ May require more verbose code and explicit type conversions.
3. **Passing an Array**:
	* Pros:
		+ Can provide a balance between readability and performance, depending on the engine implementation.
	* Cons:
		+ May not be as readable or maintainable as passing objects.

**Library Usage**

The benchmark uses three custom functions:

1. `passObject`: takes an object with raw values (`a`, `b`, and `c`) as arguments and returns a value based on the presence of certain properties.
2. `passRawValues`: takes individual raw values (`a`, `b`, and `c`) as separate arguments and returns a value based on their types (length, number, boolean).
3. `passArray`: takes an array with three elements (raw values `a`, `b`, and `c`) as arguments and returns a value based on the presence of certain elements.

**Special JavaScript Features or Syntax**

None of the benchmark's test cases use any special JavaScript features or syntax that would be relevant to explaining. The code is straightforward and focuses on demonstrating performance differences between passing objects, raw values, and arrays.

**Alternatives**

If you were to implement this benchmark yourself, you could consider using a more robust testing framework, such as Jest or Mocha, which provide better error handling, mocking capabilities, and test organization features.

Additionally, you might want to explore using a more advanced benchmarking library, like Benchmark.js or js-benchmark, which offer features like concurrent benchmarking, retry mechanisms, and statistics tracking.

Related benchmarks:

Passing objects with raw values vs passing just raw values vs array of values 2 test (version: 0)

Updated because it looks like Firefox optimizes away the entire test

Comparing performance of: Pass object vs Pass raw values vs Pass array

Created: 3 years ago by: Guest

Jump to the latest result

Pass object

Pass raw values

Pass array

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):