Benchmark: String falsy test

Script Preparation code:

var s1 = 'i am something';
var s2 = '';
var s3;

var b1 = false;
var b2 = false;
var b3 = true;

Tests:

falsy
if (!s1) { } else {} if (!s2) { } else {} if (!s3) { } else {}
boolean
if (!b1) { } else {} if (!b2) { } else {} if (!b3) { } else {}

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
falsy
boolean

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 benchmark and its various components.

**Benchmark Definition JSON**

The provided benchmark definition is a JSON object that contains information about the test case. It has three main sections:

1. **Name**: This is the name of the benchmark, which in this case is "String falsy test".
2. **Description**: This field is empty, indicating that no description was provided for this benchmark.
3. **Script Preparation Code**: This section contains a block of JavaScript code that is executed before running the actual benchmark. In this case, it initializes three variables `s1`, `s2`, and `s3` with specific values.

The script preparation code sets up the test environment by creating three string variables: `s1`, which is assigned the value `'i am something'`; `s2`, which is an empty string; and `s3`, which is not explicitly initialized (it will be set to `undefined`). Additionally, it defines three boolean variables `b1` and `b2` with a value of `false`, and `b3` with a value of `true`.

4. **Html Preparation Code**: This field is also empty, indicating that no HTML code needs to be prepared for this benchmark.

**Individual Test Cases**

The benchmark consists of two test cases:

1. **falsy**
	* The benchmark definition is an if-else statement that checks the falsiness of each variable `s1`, `s2`, and `s3`. If any of them are falsy (i.e., their value is `false` or `0`), the code inside the corresponding branch will be executed.
	* This test case evaluates the performance of different browsers in handling string falsiness in JavaScript.
2. **boolean**
	* The benchmark definition is similar to the previous one, but it only checks the falsiness of boolean variables `b1`, `b2`, and `b3`.

**Comparison**

The two test cases are compared in terms of their performance using different browsers on a mobile device running iOS 16.3.

Here's a brief overview of each approach:

* **String Falsy Test**: This test case checks the performance of browsers when dealing with string falsiness (e.g., empty strings, null values). It evaluates how quickly browsers can execute the if-else statement and handle different scenarios.
* **Boolean Test**: This test case is similar to the previous one but focuses on boolean values instead of strings. It assesses how browsers perform when evaluating simple boolean expressions.

**Pros and Cons**

Both approaches have their advantages:

* **String Falsy Test**
	+ Pros:
		- Relatively simple codebase
		- Focuses on a specific aspect of JavaScript (string falsiness)
	+ Cons:
		- May not be representative of real-world scenarios where strings are often used as arguments or values
* **Boolean Test**
	+ Pros:
		- More relevant to everyday programming tasks where boolean expressions are common
	+ Cons:
		- May introduce unnecessary complexity compared to the string falsiness test

**Other Considerations**

Some additional points to consider:

* The benchmark uses a mobile device with iOS 16.3, which may not be representative of desktop environments.
* The use of a JavaScript engine like V8 (used by Chrome) and SpiderMonkey (used by Firefox) might impact the results.

**Alternative Approaches**

Other possible approaches to benchmarking JavaScript performance could include:

* Testing DOM manipulation or event handling
* Evaluating performance in a more complex, real-world scenario
* Focusing on specific libraries or frameworks (e.g., React, Angular)
* Using a different set of test cases that cover more edge cases

However, the current approach of testing string falsiness and boolean expressions provides a good starting point for understanding how browsers handle basic JavaScript operations.

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/111.0.5563.72 Mobile/15E148 Safari/604.1

Browser/OS: Chrome Mobile iOS 111 on iOS 16.3

View result in a separate tab

Test name	Executions per second
falsy	6518593.0 Ops/sec
boolean	6194190.0 Ops/sec

Related benchmarks:

String falsy test (version: 0)

Comparing performance of: falsy vs boolean

Created: one year ago by: Guest

Jump to the latest result

falsy

boolean

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):