Benchmark: 12321321321321321

Script Preparation code:

var string = "fdsfdsfdsfdsfdsfdsfdsfdsfdsfdskjnflkjdf jnedkjfendknfSFNAKJSFNKSJANFKJSNDFKJNDSKNasjdnskajndksanjfnksajNFDSNFKJSDNFKJndjfndksjfndjksnfkjsDNFjsdNFKJDNSFLNDSLKfnsdKLJNFkjNDSFKJNDSJKFnsdKJNFsdjknfkdjsnfjdsnfkSDNfjkndsjkfndsjkfnkjdnfjkNSDKFJNSDKFNDSKLfsdLJNFsldkfndksnfkdsjnfjdsnfjkdsnfkjdsnfkjndfoKce";
var regex = /dfokce/i;

Tests:

정규식
regex.test(string);
소문자 치환 + 문자열 체크
string.toLowerCase().includes("dfokce");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
정규식
소문자 치환 + 문자열 체크

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36

Browser/OS: Chrome 107 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
정규식	3618553.5 Ops/sec
소문자 치환 + 문자열 체크	22824180.0 Ops/sec

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

LLMs can make mistakes. Check important info.

I'd be happy to help you understand the provided benchmark.

**Benchmark Definition JSON**

The benchmark definition JSON represents a JavaScript microbenchmark. It contains two main sections:

1. **Script Preparation Code**: This section defines the input data and variables used in the benchmark. In this case, it creates a string variable `string` containing a long sequence of characters, as well as a regular expression `regex` that matches a specific pattern (`dfokce/i`). The `/i` flag at the end makes the regular expression case-insensitive.
2. **Html Preparation Code**: This section is empty in this benchmark definition.

**Individual Test Cases**

The individual test cases are simple JavaScript code snippets that test different aspects of the input data and variables defined in the script preparation code:

1. **Regex Test Case**: The first test case calls the `test()` method on the regular expression object, passing the `string` variable as an argument.
2. **String Lowercase and Includes Test Case**: The second test case uses the `toLowerCase()` method to convert the input string to lowercase and then checks if the resulting string includes a specific substring (`dfokce`) using the `includes()` method.

**Options Compared**

The benchmark compares two different approaches:

1. **Regex Test**: This approach tests the performance of regular expression matching.
2. **String Lowercase and Includes Test**: This approach tests the performance of string case conversion (using `toLowerCase()`) followed by a substring search (using `includes()`).

**Pros and Cons of Each Approach**

1. **Regex Test**:
	* Pros: Regular expressions can be powerful for complex text matching, but they can also be slow due to their complexity.
	* Cons: This approach is sensitive to the input data and may not generalize well to other use cases.
2. **String Lowercase and Includes Test**:
	* Pros: This approach is more straightforward and generalizable than a regex test, as it only relies on string manipulation operations.
	* Cons: It may be slower than the regex test due to the overhead of converting strings to lowercase.

**Special JS Features/Syntax**

There are no special JavaScript features or syntax used in this benchmark that would require additional explanation.

**Other Alternatives**

If you were to create a similar benchmark, you might consider adding other alternatives, such as:

1. **Regular Expression Search with Non-Case Sensitivity**: This approach would test the performance of regular expression matching without case sensitivity.
2. **String Case Conversion with Different Algorithms**: You could compare the performance of different algorithms for string case conversion, such as `toUpperCase()`, `toLowerCase()`, or Unicode-aware case conversion.

I hope this explanation helps!

Related benchmarks:

12321321321321321 (version: 0)

3213123123213213

Comparing performance of: 정규식 vs 소문자 치환 + 문자열 체크

Created: 2 years ago by: Guest

Jump to the latest result

정규식

소문자 치환 + 문자열 체크

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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