Benchmark: Test please - MeasureThat.net

Script Preparation code:

function getNameIF(firstName, lastName) {
  //cyclomatic complexity always starts from 1
  if (firstName && lastName) { //if operator, +1
    return firstName + ' ' + lastName;
  } else if (firstName) { // +1
    return firstName;
  } else if (lastName) { // +1
    return lastName;
  } else if (!firstName && !lastName) { // +1
    return 'stranger';
  }
}

function getNameOrFallback(name, fallback) {
  //complexity starts from 1
  return name || fallback; //|| operator, +1
  //total complexity is 2
}

function getNameBetter(firstName, lastName) {
  //complexity starts from 1
  let name = '';
  if (firstName) { //if operator, +1
    name = firstName;
  }
  if (lastName) { // +1
    name += ' ' + lastName;
  }
  //even though complexity for getNameOrFallback is 2, it doesn't add up to complexity of current function
  return getNameOrFallback(name.trim(), 'stranger');
  //total complexity is 3
}

var names = [
 {firstname:'Alan', lastname:'Tondelier'},
 {firstname:'Tedj', lastname:'Ferahti'},
 {firstname:'Dudu', lastname: null},
 {firstname: null, lastname: null},
];

Tests:

Ifs
names.forEach(function(item,i) { getNameIF(item.firstname, item.lastname); });
Better
names.forEach(function(item,i) { getNameBetter(item.firstname, item.lastname); });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Ifs
Better

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

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

**Benchmark Definition**

The benchmark definition is a JavaScript code snippet that defines two functions:

1. `getNameIF(firstName, lastName)`: This function takes two parameters, `firstName` and `lastName`, and returns their concatenated string if both are non-empty. The complexity of this function starts from 1 (due to the simple `if` statement).
2. `getNameOrFallback(name, fallback)` : This function takes two parameters, `name` and `fallback`, and returns the first parameter if it's truthy, otherwise returning the second parameter. The complexity of this function is estimated to start from 1 (due to the simple `||` operator).
3. `getNameBetter(firstName, lastName)`: This function takes two parameters, `firstName` and `lastName`, and attempts to build a full name by concatenating them if both are non-empty. It also uses the `getNameOrFallback` function as a fallback if either parameter is empty. The complexity of this function starts from 1 (due to the simple `if` statements) but adds up to a total complexity of 3 due to the use of `getNameOrFallback`.

**Test Cases**

The test cases are designed to measure the performance difference between two approaches:

1. **Ifs**: This test case uses the `forEach` method to iterate over an array of objects, calling the `getNameIF` function on each object. The goal is to measure the performance of this approach.
2. **Better**: This test case also uses the `forEach` method to iterate over the same array of objects, but calls the `getNameBetter` function instead.

**Options Compared**

The two options being compared are:

* Using a simple `if` statement to check for non-empty values (`getNameIF`)
* Using an `||` operator to provide a fallback value if either parameter is empty (`getNameOrFallback`)
* Attempting to build a full name by concatenating both parameters if they're non-empty, with a fallback using `getNameOrFallback` (`getNameBetter`)

**Pros and Cons**

Here are some pros and cons of each approach:

* **Ifs (getNameIF)**:
	+ Pros: Simple, easy to read, and maintain.
	+ Cons: May not be the most efficient approach if multiple conditions need to be checked.
* **Fallback (getNameOrFallback)**:
	+ Pros: Can simplify complex logic by providing a default value if needed.
	+ Cons: May introduce unnecessary complexity or overhead due to the `||` operator.
* **Better (getNameBetter)**:
	+ Pros: Attempts to build a full name in a more natural way, but may be over-engineering.
	+ Cons: Introduces additional complexity and potential performance issues.

**Other Considerations**

The use of libraries or special JS features is not mentioned in the provided code snippet. If any library or feature was used, it would need to be identified and explained separately.

**Alternatives**

Some alternative approaches could include:

* Using a more efficient data structure, such as an object with default values.
* Breaking down complex logic into smaller functions for better modularity and maintainability.
* Using a different programming paradigm, such as functional programming, if the current approach is not suitable.

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:50.0) Gecko/20100101 Firefox/50.0

Browser/OS: Firefox 50 on Windows 7

View result in a separate tab

Test name	Executions per second
Ifs	4951302.5 Ops/sec
Better	4010508.2 Ops/sec

Related benchmarks:

Test please (version: 0)

test

Comparing performance of: Ifs vs Better

Created: 7 years ago by: Guest

Jump to the latest result

Ifs

Better

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):