Benchmark: sortipv4ModifyTestcase

Script Preparation code:

function sort1(a, b) {
    // ip 排序
    const num1 = Number(
        (a.ip || (typeof a === "string" && a) || "")
        .split(".")
        .map((num) => `000${num}`.slice(-3))
        .join("")
    );
    const num2 = Number(
        (b.ip || (typeof b === "string" && b) || "")
        .split(".")
        .map((num) => `000${num}`.slice(-3))
        .join("")
    );
    return num1 - num2;
}

function sort2(a, b) {
    // ip 排序
    const arr1 = (a.ip || (typeof a === "string" && a) || "").split(".");
    const arr2 = (b.ip || (typeof b === "string" && b) || "").split(".");

    for (let i = 0; i < arr1.length; i++) {
        const num1 = Number(arr1[i]);
        const num2 = Number(arr2[i]);
        if (num1 !== num2) {
            return num1 > num2 ? 1 : -1;
        }
    }
    return 0;
}

Tests:

sort1
for(let i = 0; i < 10000; i ++) { sort1({ip: "192.168.0.1"}, {ip: "192.168.0.2"}); sort1({ip: "192.168.0.2"}, {ip: "192.168.0.1"}); sort1({ip: "192.168.100.1"}, {ip: "192.168.100.2"}); sort1({ip: "192.168.100.2"}, {ip: "192.168.100.1"}); sort1({ip: "192.168.50.100"}, {ip: "192.168.50.200"}); sort1({ip: "192.168.50.200"}, {ip: "192.168.50.100"}); sort1({ip: "192.168.150.100"}, {ip: "192.168.150.200"}); sort1({ip: "192.168.150.200"}, {ip: "192.168.150.100"}); sort1({ip: "192.168.150.200"}, {ip: "192.168.150.200"}); }
sort2
for(let i = 0; i < 10000; i ++) { sort2({ip: "192.168.0.1"}, {ip: "192.168.0.2"}); sort2({ip: "192.168.0.2"}, {ip: "192.168.0.1"}); sort2({ip: "192.168.100.1"}, {ip: "192.168.100.2"}); sort2({ip: "192.168.100.2"}, {ip: "192.168.100.1"}); sort2({ip: "192.168.50.100"}, {ip: "192.168.50.200"}); sort2({ip: "192.168.50.200"}, {ip: "192.168.50.100"}); sort2({ip: "192.168.150.100"}, {ip: "192.168.150.200"}); sort2({ip: "192.168.150.200"}, {ip: "192.168.150.100"}); sort2({ip: "192.168.150.200"}, {ip: "192.168.150.200"}); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
sort1
sort2

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

LLMs can make mistakes. Check important info.

I'd be happy to explain what's being tested in this benchmark.

**Overview**

The benchmark measures the performance of two different sorting functions, `sort1` and `sort2`, when sorting IPv4 addresses. The tests involve comparing pairs of IP addresses using each sorting function.

**What is tested?**

Two options are compared:

1. **`sort1`**: This function uses a custom comparison algorithm to sort IP addresses. It converts the IP address to a numerical representation (padding with zeros if necessary) and then compares the numbers.
2. **`sort2`**: This function splits the IP address into an array of numbers and then compares each number individually.

**Pros and Cons**

**`sort1`:**

Pros:

* Simple and efficient code
* Fast execution times

Cons:

* Custom comparison algorithm might be less readable or maintainable for some developers
* Limited flexibility if additional sorting criteria are needed

**`sort2`:**

Pros:

* More flexible, as the array of numbers can be used with other comparison algorithms
* Easier to understand and maintain, as it follows a standard mathematical approach

Cons:

* May be slower due to the overhead of creating an array and iterating over its elements
* Requires more code compared to `sort1`

**Library usage**

Neither `sort1` nor `sort2` uses any external libraries. The comparison algorithm in `sort1` is custom, while `sort2` relies on standard JavaScript built-in functions (e.g., `split()`, `Number()`).

**Special JavaScript features or syntax**

The benchmark does not explicitly use any special JavaScript features or syntax that would require specific knowledge of those features to understand the code.

**Alternatives**

If you're interested in alternatives, here are a few options:

* **`Array.prototype.sort()`**: This is a built-in JavaScript method that sorts arrays of elements. It could be used as an alternative comparison algorithm for `sort2`.
* **Custom sorting libraries**: There are various custom sorting libraries available that provide optimized and efficient sorting algorithms, such as Quicksort or Merge Sort.
* **Native IPv4 address parsing libraries**: Depending on the specific requirements, you might consider using a library like `ip-address` (for Node.js) or `ipaddr.js` to parse and compare IP addresses.

Keep in mind that the choice of alternative will depend on the specific needs and constraints of your project.

Related benchmarks:

sortipv4ModifyTestcase (version: 0)

sort

Comparing performance of: sort1 vs sort2

Created: 2 years ago by: Guest

Jump to the latest result

sort1

sort2

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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