Benchmark: splatAmdMapVsRegex

Tests:

spltAndMap
'one, two, three, four'.split(',').map(s=>s.trim())
regex
'one, two, three, four'.split(/\s*(?:;|$)\s*/)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
spltAndMap
regex

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark and explain what's being tested, compared, and some pros and cons of each approach.

**Benchmark Definition and Test Cases**

The benchmark is defined by two test cases:

1. `spltAndMap`: Tests the performance of using the `.split()` method with an array map function to process a string.
2. `regex`: Tests the performance of using regular expressions to process a string.

**Script Preparation Code and Html Preparation Code**

There is no script or HTML preparation code provided, which means that the benchmark assumes the user has already prepared the test data and scripts in their environment.

**Tested Options**

Two options are being compared:

1. **Using `.split()` with an array map function**: This option uses the `.split()` method to split a string into an array of substrings, and then uses the `map` function to process each substring.
2. **Using regular expressions**: This option uses a regular expression to split a string into substrings.

**Pros and Cons**

Here are some pros and cons of each approach:

**Using `.split()` with an array map function**

Pros:

* Easy to understand and implement
* Efficient for simple cases

Cons:

* May not be suitable for complex string processing tasks
* Can be slower than regular expressions for large datasets

**Using regular expressions**

Pros:

* Suitable for complex string processing tasks
* Can handle a wide range of input formats

Cons:

* Can be more difficult to understand and implement
* May be slower due to the overhead of regular expression compilation and execution

**Library Used: `String.prototype.split()`**

The `.split()` method is a built-in JavaScript method that splits a string into an array of substrings. The first argument to this method is the separator, which can be a string or a regular expression.

**Special JS Feature/Syntax (None)**

There are no special JavaScript features or syntax being used in this benchmark.

**Other Alternatives**

If you want to test similar benchmarks, you could consider using other methods such as:

* Using `Array.prototype.map()` instead of `.split()` with an array map function
* Using a different regular expression pattern for the regex option
* Adding additional processing steps to the script or HTML preparation code

Keep in mind that the choice of method will depend on your specific use case and requirements.

Latest run results:

Run details: (Test run date: 10 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser/OS: Chrome 119 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
spltAndMap	16750965.0 Ops/sec
regex	7348427.5 Ops/sec

Related benchmarks:

splatAmdMapVsRegex (version: 0)

Comparing performance of: spltAndMap vs regex

Created: 10 months ago by: Guest

Jump to the latest result

spltAndMap

regex

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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