Benchmark: test rapidite2 - MeasureThat.net

Tests:

func 1
const input = [ 1, 8, 5, 12, 3, 11, 14, 7, 9, 13, 4, 7, 0, 7, 3, 5, 1, 2, 1, 7, 4, 6, 11, 3, 12, 9, 13, 4, 15, 9, 6, 10, 12, 9, 3, 13, 10, 15, 0, 10, 12, 4, 4, 3, 10, 14, 11, 1, 2, 12, 11, 4, 2, 1, 4, 15, 5, 5, 9, 6, 10, 13, 3, 12, 15, 12, 3, 15, 1, 5, 15, 2, 9, 0, 15, 15, 14, 0, 15, 1, 13, 10, 3, 8, 6, 9, 10, 12, 15, 3, 7, 2, 4, 8, 8, 13, 8, 8, 3, 9, 5, 8, 8, 4, 13, 13, 2, 8, 3, 5, 14, 14, 3, 12, 13, 1, 10, 2, 10, 12, 12, 3, 15, 6, 9, 8, 15, 13, 9, 9, 11, 5, 14, 4, 13, 3, 3, 8, 13, 15, 10, 13, 6, 6, 12, 10, 5, 15, 11, 12, 8, 8, 7, 4, 0, 5, 4, 12, 9, 11, 11, 15, 2, 5, 12, 10, 6, 7, 9, 10, 14, 14, 14, 0, 13, 10, 14, 2, 5, 12, 8, 15, 1, 8, 8, 7, 0, 3, 15, 15, 10, 13, 7, 1, 5, 1, 5, 7, 14, 0, 10, 11, 7, 13, 15, 13, 9, 5, 5, 1, 9, 8, 1, 15, 9, 14, 0, 1, 11, 10, 8, 0, 9, 0, 4, 1, 7, 4, 11, 14, 15, 7, 10, 5, 10, 8, 12, 13, 0, 8, 15, 2, 11, 1, 8, 5, 8, 15, 14, 10, 2, 15, 3, 5, 7, 12, 10, 7, 9, 5, 11, 6, 7, 15, 4, 12, 9, 2, 11, 12, 11, 1, 1, 11, 3, 4, 11, 14, 6, 1, 6, 5, 6, 3, 3, 7, 8, 5, 0, 7, 2, 14, 3, 8, 11, 0, 8, 11, 4, 11, 6, 0, 6, 1, 1, 8, 14, 4, 6, 6, 3, 1, 12, 10, 8, 5, 6, 4, 5, 8, 13, 5, 14, 10, 5, 13, 2, 7, 0, 15, 7, 8, 10, 1, 6, 8, 1, 11, 0, 14, 8, 8, 8, 5, 3, 0, 13, 13, 5, 9, 0, 6, 8, 1, 7, 9, 5, 6, 13, 9, 8, 2, 15, 8, 2, 4, 0, 11, 13, 2, 3, 4, 10, 1, 14, 15, 8, 5, 1, 5, 14, 11, 9, 5, 14, 7, 9, 4, 7, 3, 4, 15, 10, 10, 11, 7, 14, 1, 2, 10, 10, 6, 12, 1, 0, 3, 11, 6, 0, 2, 7, 6, 3, 7, 1, 0, 10, 13, 11, 2, 6, 3, 8, 10, 14, 1, 14, 12, 3, 3, 1, 14, 9, 5, 8, 5, 4, 7, 8, 15, 13, 9, 8, 15, 10, 0, 5, 5, 10, 12, 4, 7, 4, 7, 4, 8, 4, 1, 15, 10, 0, 1, 8, 12, 10, 6, 10, 4, 6, 4, 3, 5, 7, 3, 1, 6, 7, 6, 13, 0, 4, 2, 14, 4, 9, 10, 14, 7, 1, 6, 15, 0, 14, 6, 15, 5, 5, 2, 0, 7, 11, 3, 2, 6, 0, 4, 9, 2, 15, 5, 7, 3, 6, 5, 3, 13, 3, 0, 10, 12, 5, 15, 14, 8, 0, 11, 15, 2, 11, 14, 4, 0, 0, 6, 3, 4, 10, 13, 7, 11, 5, 5, 13, 1, 13, 14, 7, 15, 11, 5, 15, 12, 5, 12, 6, 1, 15, 6, 7, 4, 11, 1, 12, 10, 4, 5, 0, 5, 7, 9, 1, 3, 9, 7, 7, 8, 7, 15, 7, 1, 12, 9, 6, 11, 9, 4, 2, 3, 1, 3, 15, 0, 9, 3, 10, 3, 6, 11, 10, 10, 4, 12, 5, 0, 0, 10, 7, 4, 6, 9, 11, 12, 2, 7, 10, 0, 10, 7, 7, 12, 14, 9, 5, 0, 14, 15, 12, 8, 7, 3, 9, 4, 10, 13, 1, 15, 10, 4, 12, 12, 10, 2, 15, 5, 9, 15, 10, 2, 8, 6, 6, 6, 0, 11, 11, 15, 1, 4, 10, 11, 15, 1, 11, 13, 14, 6, 13, 11, 1, 7, 9, 2, 9, 8, 9, 7, 0, 2, 7, 10, 5, 14, 14, 0, 5, 9, 2, 12, 13, 10, 14, 7, 2, 0, 9, 8, 15, 1, 6, 3, 8, 12, 9, 6, 9, 15, 2, 14, 0, 13, 10, 15, 6, 4, 9, 5, 12, 14, 1, 6, 5, 9, 14, 0, 12, 3, 4, 7, 4, 0, 9, 6, 11, 15, 13, 7, 13, 10, 1, 13, 12, 1, 5, 1, 15, 9, 12, 13, 10, 3, 9, 9, 14, 15, 10, 0, 11, 5, 6, 4, 12, 3, 3, 15, 5, 11, 0, 7, 9, 10, 12, 11, 13, 1, 12, 5, 3, 12, 4, 1, 10, 1, 10, 2, 14, 15, 12, 8, 12, 1, 5, 15, 13, 11, 8, 7, 4, 15, 7, 13, 3, 6, 15, 7, 6, 1, 2, 8, 5, 2, 2, 14, 12, 14, 2, 12, 3, 11, 4, 0, 4, 4, 13, 12, 3, 15, 6, 2, 6, 15, 15, 2, 4, 14, 2, 1, 5, 15, 2, 4, 4, 9, 8, 7, 10, 2, 0, 13, 9, 14, 2, 10, 1, 6, 9, 14, 10, 11, 10, 1, 7, 3, 2, 9, 6, 2, 0, 8, 2, 11, 4, 8, 4, 3, 4, 4, 11, 2, 10, 5, 0, 2, 4, 12, 0, 9, 11, 0, 12, 3, 15, 6, 11, 0, 1, 13, 11, 13, 5, 10, 7, 15, 13, 10, 6, 4, 7, 4, 1, 1, 2, 13, 2, 1, 2, 7, 6, 5, 12, 13, 1, 0, 8, 12, 4, 7, 6, 11, 11, 8, 5, 3, 13, 15, 7, 2, 6, 4, 10, 13, 7, 8, 6, 4, 9, 5, 11, 7, 10, 13, 0, 7, 3, 5, 12, 12, 3, 0, 5, 2, 7, 0, 2, 11, 11, 12, 15, 8, 3, 2, 7, 6, 1, 15, 1, 11, 13, 12, 0, 2, 0, 9, 7, 13, 1, 2, 6, 14, 6, 2, 7, 1, 12, 2, 2, 3, 3, 3, 8, 4 ] const twoSum = (array, goal) => { let indexes = []; let count = 0; for(let i = 0; i < array.length; i++){ for(let j = i + 1; j < array.length; j++){ count++; if (array[i] + array[j] === goal) { indexes.push(i); indexes.push(j); console.log("Func 1 => " + count); return indexes; } } } return indexes; } console.log(twoSum(input, 18));
func 2
const input = [ 1, 8, 5, 12, 3, 11, 14, 7, 9, 13, 4, 7, 0, 7, 3, 5, 1, 2, 1, 7, 4, 6, 11, 3, 12, 9, 13, 4, 15, 9, 6, 10, 12, 9, 3, 13, 10, 15, 0, 10, 12, 4, 4, 3, 10, 14, 11, 1, 2, 12, 11, 4, 2, 1, 4, 15, 5, 5, 9, 6, 10, 13, 3, 12, 15, 12, 3, 15, 1, 5, 15, 2, 9, 0, 15, 15, 14, 0, 15, 1, 13, 10, 3, 8, 6, 9, 10, 12, 15, 3, 7, 2, 4, 8, 8, 13, 8, 8, 3, 9, 5, 8, 8, 4, 13, 13, 2, 8, 3, 5, 14, 14, 3, 12, 13, 1, 10, 2, 10, 12, 12, 3, 15, 6, 9, 8, 15, 13, 9, 9, 11, 5, 14, 4, 13, 3, 3, 8, 13, 15, 10, 13, 6, 6, 12, 10, 5, 15, 11, 12, 8, 8, 7, 4, 0, 5, 4, 12, 9, 11, 11, 15, 2, 5, 12, 10, 6, 7, 9, 10, 14, 14, 14, 0, 13, 10, 14, 2, 5, 12, 8, 15, 1, 8, 8, 7, 0, 3, 15, 15, 10, 13, 7, 1, 5, 1, 5, 7, 14, 0, 10, 11, 7, 13, 15, 13, 9, 5, 5, 1, 9, 8, 1, 15, 9, 14, 0, 1, 11, 10, 8, 0, 9, 0, 4, 1, 7, 4, 11, 14, 15, 7, 10, 5, 10, 8, 12, 13, 0, 8, 15, 2, 11, 1, 8, 5, 8, 15, 14, 10, 2, 15, 3, 5, 7, 12, 10, 7, 9, 5, 11, 6, 7, 15, 4, 12, 9, 2, 11, 12, 11, 1, 1, 11, 3, 4, 11, 14, 6, 1, 6, 5, 6, 3, 3, 7, 8, 5, 0, 7, 2, 14, 3, 8, 11, 0, 8, 11, 4, 11, 6, 0, 6, 1, 1, 8, 14, 4, 6, 6, 3, 1, 12, 10, 8, 5, 6, 4, 5, 8, 13, 5, 14, 10, 5, 13, 2, 7, 0, 15, 7, 8, 10, 1, 6, 8, 1, 11, 0, 14, 8, 8, 8, 5, 3, 0, 13, 13, 5, 9, 0, 6, 8, 1, 7, 9, 5, 6, 13, 9, 8, 2, 15, 8, 2, 4, 0, 11, 13, 2, 3, 4, 10, 1, 14, 15, 8, 5, 1, 5, 14, 11, 9, 5, 14, 7, 9, 4, 7, 3, 4, 15, 10, 10, 11, 7, 14, 1, 2, 10, 10, 6, 12, 1, 0, 3, 11, 6, 0, 2, 7, 6, 3, 7, 1, 0, 10, 13, 11, 2, 6, 3, 8, 10, 14, 1, 14, 12, 3, 3, 1, 14, 9, 5, 8, 5, 4, 7, 8, 15, 13, 9, 8, 15, 10, 0, 5, 5, 10, 12, 4, 7, 4, 7, 4, 8, 4, 1, 15, 10, 0, 1, 8, 12, 10, 6, 10, 4, 6, 4, 3, 5, 7, 3, 1, 6, 7, 6, 13, 0, 4, 2, 14, 4, 9, 10, 14, 7, 1, 6, 15, 0, 14, 6, 15, 5, 5, 2, 0, 7, 11, 3, 2, 6, 0, 4, 9, 2, 15, 5, 7, 3, 6, 5, 3, 13, 3, 0, 10, 12, 5, 15, 14, 8, 0, 11, 15, 2, 11, 14, 4, 0, 0, 6, 3, 4, 10, 13, 7, 11, 5, 5, 13, 1, 13, 14, 7, 15, 11, 5, 15, 12, 5, 12, 6, 1, 15, 6, 7, 4, 11, 1, 12, 10, 4, 5, 0, 5, 7, 9, 1, 3, 9, 7, 7, 8, 7, 15, 7, 1, 12, 9, 6, 11, 9, 4, 2, 3, 1, 3, 15, 0, 9, 3, 10, 3, 6, 11, 10, 10, 4, 12, 5, 0, 0, 10, 7, 4, 6, 9, 11, 12, 2, 7, 10, 0, 10, 7, 7, 12, 14, 9, 5, 0, 14, 15, 12, 8, 7, 3, 9, 4, 10, 13, 1, 15, 10, 4, 12, 12, 10, 2, 15, 5, 9, 15, 10, 2, 8, 6, 6, 6, 0, 11, 11, 15, 1, 4, 10, 11, 15, 1, 11, 13, 14, 6, 13, 11, 1, 7, 9, 2, 9, 8, 9, 7, 0, 2, 7, 10, 5, 14, 14, 0, 5, 9, 2, 12, 13, 10, 14, 7, 2, 0, 9, 8, 15, 1, 6, 3, 8, 12, 9, 6, 9, 15, 2, 14, 0, 13, 10, 15, 6, 4, 9, 5, 12, 14, 1, 6, 5, 9, 14, 0, 12, 3, 4, 7, 4, 0, 9, 6, 11, 15, 13, 7, 13, 10, 1, 13, 12, 1, 5, 1, 15, 9, 12, 13, 10, 3, 9, 9, 14, 15, 10, 0, 11, 5, 6, 4, 12, 3, 3, 15, 5, 11, 0, 7, 9, 10, 12, 11, 13, 1, 12, 5, 3, 12, 4, 1, 10, 1, 10, 2, 14, 15, 12, 8, 12, 1, 5, 15, 13, 11, 8, 7, 4, 15, 7, 13, 3, 6, 15, 7, 6, 1, 2, 8, 5, 2, 2, 14, 12, 14, 2, 12, 3, 11, 4, 0, 4, 4, 13, 12, 3, 15, 6, 2, 6, 15, 15, 2, 4, 14, 2, 1, 5, 15, 2, 4, 4, 9, 8, 7, 10, 2, 0, 13, 9, 14, 2, 10, 1, 6, 9, 14, 10, 11, 10, 1, 7, 3, 2, 9, 6, 2, 0, 8, 2, 11, 4, 8, 4, 3, 4, 4, 11, 2, 10, 5, 0, 2, 4, 12, 0, 9, 11, 0, 12, 3, 15, 6, 11, 0, 1, 13, 11, 13, 5, 10, 7, 15, 13, 10, 6, 4, 7, 4, 1, 1, 2, 13, 2, 1, 2, 7, 6, 5, 12, 13, 1, 0, 8, 12, 4, 7, 6, 11, 11, 8, 5, 3, 13, 15, 7, 2, 6, 4, 10, 13, 7, 8, 6, 4, 9, 5, 11, 7, 10, 13, 0, 7, 3, 5, 12, 12, 3, 0, 5, 2, 7, 0, 2, 11, 11, 12, 15, 8, 3, 2, 7, 6, 1, 15, 1, 11, 13, 12, 0, 2, 0, 9, 7, 13, 1, 2, 6, 14, 6, 2, 7, 1, 12, 2, 2, 3, 3, 3, 8, 4 ] const twoSum2 = (array, goal) => { let mapOfNumbers = {}; let twoIndexes = []; let count = 0; for (let i = 0; i < array.length; i++) { mapOfNumbers[array[i]] = i; } for (let i = 0; i < array.length; i++) { count++; let target = goal - array[i]; if(mapOfNumbers[target] !== i && mapOfNumbers[target] !== undefined) { twoIndexes.push(i); twoIndexes.push(mapOfNumbers[target]); console.log("Func 2 => " + count); return twoIndexes; } } console.log("Func 2 => " + count); return twoIndexes; } console.log(twoSum2(input, 18));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
func 1
func 2

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Based on the provided code and benchmark results, I can help you analyze the performance of the `twoSum2` function.

The code is written in JavaScript and uses a simple approach to find two elements in an array that add up to a given goal. The function iterates through the array twice: once to create a map of numbers with their indices, and again to check for pairs that sum up to the goal.

The benchmark results show two different browsers running two test functions (`func 1` and `func 2`). The first test function has an execution rate of approximately 22,000 executions per second, while the second test function has a significantly lower execution rate of around 11,000 executions per second.

After analyzing the code and benchmark results, I have identified a few potential areas for optimization:

1.  **Cache Misses:** The `mapOfNumbers` object is created during the first iteration through the array, which involves iterating over the entire array (n) times. This can result in significant cache misses, leading to slower performance.
2.  **Redundant Comparisons:** In the second loop, the function checks if a number and its negation are both defined and not equal to the current index. This can be optimized by storing the indices of the numbers we've already checked in a separate array, so that we avoid redundant comparisons.

To improve performance, I would suggest implementing these optimizations:

*   Use a data structure like `WeakMap` or `Object.create(null)` to create the `mapOfNumbers` object. This can help reduce cache misses by using a more efficient storage mechanism.
*   Store the indices of numbers we've already checked in an array, so that we avoid redundant comparisons.

Here's an updated version of the code incorporating these optimizations:

```javascript
const twoSum2 = (array, goal) => {
    let mapOfNumbers = new WeakMap();
    let twoIndexes = [];
    let count = 0;

for (let i = 0; i < array.length; i++) {
        mapOfNumbers.set(array[i], i);
    }

for (let i = 0; i < array.length; i++) {
        count++;
        let target = goal - array[i];
        if (!mapOfNumbers.has(target) || mapOfNumbers.get(target) === i) continue;
        twoIndexes.push(i);
        twoIndexes.push(mapOfNumbers.get(target));
        console.log(`Func 2 => ${count}`);
        return twoIndexes;
    }
    console.log(`Func 2 => ${count}`);
    return twoIndexes;
}
```

By implementing these optimizations, we can potentially improve the performance of the `twoSum2` function. However, please note that this is just a suggested improvement and may not necessarily result in significant performance gains depending on the specific use case and input data.

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:93.0) Gecko/20100101 Firefox/93.0

Browser/OS: Firefox 93 on Windows

View result in a separate tab

Test name	Executions per second
func 1	21984.5 Ops/sec
func 2	10938.7 Ops/sec

Related benchmarks:

test rapidite2 (version: 0)

Comparing performance of: func 1 vs func 2

Created: 3 years ago by: Guest

Jump to the latest result

func 1

func 2

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):