Benchmark: Test regex123123

Script Preparation code:

var XML = `
      <?xml version="1.0" encoding="utf-8"?>
      <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
        <string name="text_1" ditto_api_id="text-1" xml:space="preserve">Text 1</string>
        <string name="text_2" ditto_api_id="text-2">Text 2</string>
        <string name="text_3" ditto_api_id="text-3">Text 3</string>
      </resources>
`;

Tests:

Regex Test
XML.replace(/\s?xml:space="preserve"/g, "")
sdf
console.log('hello')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Regex Test
sdf

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36

Browser/OS: Chrome 109 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Regex Test	1767124.6 Ops/sec
sdf	458607.8 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the benchmark and explain what's being tested, compared, and the pros and cons of each approach.

**Benchmark Definition**

The provided JSON represents a JavaScript microbenchmark, which is a small program designed to measure the performance of specific code snippets or libraries. In this case, there are two benchmark definitions:

1. `XML.replace(/\\s?xml:space=\"preserve\"/g, \"\")`
2. `console.log('hello')`

These benchmarks aim to test the performance of different JavaScript constructs.

**Options Compared**

In the first benchmark definition, the option being compared is the replacement of a regular expression in an XML string using the `replace()` method with a regular expression as its argument (`/\\s?xml:space=\"preserve\"/g`).

In the second benchmark definition, there are two different options being compared:

1. The execution of a simple `console.log('hello')` statement.
2. A non-existent function call ( `sdf()` ) which is not defined anywhere in the code.

**Pros and Cons**

**Option 1: `XML.replace(/\\s?xml:space=\"preserve\"/g, \"\")`**

Pros:

* Tests a common use case for regular expressions in JavaScript.
* Can help identify performance issues with string manipulation.

Cons:

* May not be representative of real-world code usage.
* The specific regular expression used might be optimized for this particular scenario, which may not generalize to other cases.

**Option 2: `console.log('hello')`**

Pros:

* Tests a basic JavaScript statement that is commonly used in many applications.
* Can help identify performance issues with simple execution.

Cons:

* May not be representative of real-world code usage, as it's a very basic operation.
* The absence of any meaningful result or output might make the benchmark less informative.

**Other Considerations**

The use of `ditto_api_id` in the XML string is likely a placeholder for a specific library or framework, but without further context, its purpose remains unclear. Similarly, the `RawUAString` field in the benchmark results seems to be a part of the test environment setup and is not directly related to the performance being measured.

**Special JS Features or Syntax**

There are no special JavaScript features or syntax mentioned in this benchmark. The code snippets used are straightforward JavaScript expressions that do not utilize any advanced or specific language features.

**Alternatives**

If you were to create similar benchmarks, you might consider testing other common JavaScript constructs, such as:

* Array operations (e.g., `Array.prototype.sort()` vs. `Array.prototype.slice()`)
* Object manipulation (e.g., `Object.assign()` vs. property access)
* Function calls with varying arguments and return types
* Common data structures and algorithms, like sorting or searching

Keep in mind that the effectiveness of these benchmarks ultimately depends on your specific use case and requirements.

In conclusion, this benchmark provides a unique insight into performance considerations for string manipulation and simple execution in JavaScript. While some might see it as less representative than other benchmarks, it can still serve as a useful starting point for understanding performance aspects in everyday JavaScript code.

Related benchmarks:

Test regex123123 (version: 0)

Comparing performance of: Regex Test vs sdf

Created: one year ago by: Guest

Jump to the latest result

Regex Test

sdf

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):