Benchmark: test path sanitize

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var pathName = '/sciezka//testowa/'

function replace(arr) { 
      _.trimEnd(_.replace(pathName, '//', '/'), '/');
}

function split(arr) { 
    _.filter(_.split(pathName, '/'), (e) => !_.isEmpty(e)).slice(0, -1).join('/')
}

Tests:

replace
replace();
split
split();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
replace
split

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:125.0) Gecko/20100101 Firefox/125.0

Browser/OS: Firefox 125 on Windows

View result in a separate tab

Test name	Executions per second
replace	2023793.9 Ops/sec
split	3004500.5 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what's being tested, compared, and considered.

**Benchmark Overview**

The benchmark is designed to measure the performance of two functions: `replace()` and `split()`. These functions appear to be related to string manipulation, specifically sanitizing a path name by removing unnecessary slashes.

**Script Preparation Code**

The script preparation code defines two functions:

1. `replace(arr)`: This function takes an array as input and uses Lodash's `_` object to trim the end of each element in the array. It replaces occurrences of `'//'` with `'/'` using the `pathName` variable, which contains a sanitized path name.
2. `split(arr)`: This function takes an array as input and splits each element into an array using the `pathName` variable as the separator. It then filters out empty strings from the resulting array, slices off the last element (which is assumed to be an empty string), and joins the remaining elements back together with `/`.

**Html Preparation Code**

The HTML preparation code includes a script tag that loads Lodash version 4.17.5 from a CDN.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a collection of functional programming helpers, including string manipulation functions like `trimEnd()` and `split()`. In this benchmark, Lodash is used to provide these helper functions to the test cases.

**Comparison of Approaches**

The two test cases (`replace()` and `split()`) are compared in terms of their performance. The comparison is likely based on the number of executions per second (ExecutionsPerSecond) for each function.

Pros and Cons of Different Approaches:

* **`replace()`**: This approach may be faster since it only requires a single replacement operation, whereas `split()` involves multiple operations: splitting, filtering, slicing, and joining.
* **`split()`**: This approach may be slower due to the additional operations involved. However, it provides more flexibility, as the resulting array can be further processed or manipulated.

**Considerations**

Other factors that might influence performance include:

* The size of the input arrays
* The complexity of the path name (e.g., if it contains special characters or punctuation)
* The browser's JavaScript engine and its optimizations

**Special JavaScript Feature/Syntax**

There is no explicit mention of any special JavaScript feature or syntax in this benchmark.

**Alternatives**

Other alternatives for string manipulation functions like `replace()` and `split()` include:

* Using built-in methods like `replace()` and `split()`, which are available in most modern browsers
* Utilizing regular expressions, which can provide more flexibility but may be slower due to the overhead of parsing and executing regex patterns

Keep in mind that these alternatives might not offer significant performance improvements over Lodash's implementation, especially for small input sizes.

Related benchmarks:

test path sanitize (version: 0)

Comparing performance of: replace vs split

Created: 2 years ago by: Guest

Jump to the latest result

replace

split

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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